3 S000002143 ORF Dubious YAL069W n.a. 1 335 649 W Hypothetical protein 6 S000028594 ORF Dubious YAL068W-A n.a. 1 538 792 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 11 S000002142 ORF Uncharacterized YAL068C n.a. 1 2169 1807 C Hypothetical protein 13 S000028593 ORF Uncharacterized YAL067W-A n.a. 1 2480 2707 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15 S000000062 ORF Verified YAL067C SEO1 1 9017 7236 C Putative permease, member of the allantoate transporter subfamily of the major facilitator superfamily; mutation confers resistance to ethionine sulfoxide 17 S000000061 ORF Dubious YAL066W n.a. 1 10092 10400 W Hypothetical protein 19 S000001817 ORF Uncharacterized YAL065C n.a. 1 11952 11566 C Hypothetical protein 21 S000002141 ORF Uncharacterized YAL064W-B n.a. 1 12047 12427 W Hypothetical protein 23 S000002140 ORF Uncharacterized YAL064C-A n.a. 1 13744 13364 C Hypothetical protein 25 S000000060 ORF Uncharacterized YAL064W n.a. 1 21526 21852 W Hypothetical protein 28 S000028813 ORF Uncharacterized YAL063C-A n.a. 1 22687 22397 C Identified by expression profiling and mass spectrometry 30 S000000059 ORF Verified YAL063C FLO9 1 27969 24001 C Lectin-like protein with similarity to Flo1p, thought to be expressed and involved in flocculation 32 S000000058 ORF Verified YAL062W GDH3 1 31568 32941 W NADP(+)-dependent glutamate dehydrogenase, synthesizes glutamate from ammonia and alpha-ketoglutarate; rate of alpha-ketoglutarate utilization differs from Gdh1p; expression regulated by nitrogen and carbon sources 34 S000000057 ORF Uncharacterized YAL061W n.a. 1 33449 34702 W putative polyol dehydrogenase 36 S000000056 ORF Verified YAL060W BDH1 1 35156 36304 W NAD-dependent (2R,3R)-2,3-butanediol dehydrogenase, a zinc-containing medium-chain alcohol dehydrogenase, produces 2,3-butanediol from acetoin during fermentation and allows using 2,3-butanediol as a carbon source during aerobic growth 38 S000000055 ORF Verified YAL059W ECM1 1 36510 37148 W Protein of unknown function, localized in the nucleoplasm and the nucleolus, genetically interacts with MTR2 in 60S ribosomal protein subunit export 40 S000028734 ORF Dubious YAL059C-A n.a. 1 36919 36497 C Questionable ORF from MIPS 42 S000000054 ORF Verified YAL058W CNE1 1 37465 38973 W Calnexin; integral membrane ER chaperone involved in the folding and quality control of glycoproteins, 24% identical and 31% similar to mammalian calnexin but the Ca+ binding typical of calnexins has not been demonstrated in yeast 44 S000002139 ORF Dubious YAL056C-A n.a. 1 39047 38697 C Hypothetical protein 46 S000000052 ORF Verified YAL056W GPB2 1 39260 41902 W Proposed beta subunit of the heterotrimeric G protein that interacts with the receptor Grp1p, has signaling role in response to nutrients; involved in regulation of pseudohyphal growth through cAMP levels; homolog of Gpb1p 48 S000000051 ORF Verified YAL055W PEX22 1 42178 42720 W Putative peroxisomal membrane protein required for import of peroxisomal proteins, functionally complements a Pichia pastoris pex22 mutation 50 S000000050 ORF Verified YAL054C ACS1 1 45023 42882 C Acetyl-coA synthetase isoform, expressed during growth on nonfermentable carbon sources and under aerobic conditions 52 S000000049 ORF Uncharacterized YAL053W n.a. 1 45900 48251 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 54 S000000048 ORF Verified YAL051W OAF1 1 48565 51708 W Oleate-activated transcription factor, acts alone and as a heterodimer with Pip2p; activates genes involved in beta-oxidation of fatty acids and peroxisome organization and biogenesis 56 S000000047 ORF Uncharacterized YAL049C n.a. 1 52596 51856 C Hypothetical protein 58 S000028733 ORF Dubious YAL047W-A n.a. 1 54585 54914 W Hypothetical protein 60 S000000046 ORF Uncharacterized YAL048C GEM1 1 54790 52802 C Evolutionarily-conserved tail-anchored outer mitochondrial membrane GTPase which regulates mitochondrial morphology; cells lacking Gem1p contain collapsed, globular, or grape-like mitochondria; not required for pheromone-induced cell death 62 S000000045 ORF Verified YAL047C SPC72 1 56858 54990 C Component of the cytoplasmic Tub4p (gamma-tubulin) complex, binds spindle pole bodies and links them to microtubules; has roles in astral microtubule formation and stabilization 64 S000000044 ORF Uncharacterized YAL046C n.a. 1 57386 57030 C Hypothetical protein 66 S000007586 ORF Uncharacterized YAL044W-A n.a. 1 57519 57851 W Similar to pombe uvi31, putative DNA repair protein 68 S000000043 ORF Dubious YAL045C n.a. 1 57797 57489 C Hypothetical protein 70 S000000042 ORF Verified YAL044C GCV3 1 58463 57951 C H subunit of the mitochondrial glycine decarboxylase complex, required for the catabolism of glycine to 5,10-methylene-THF; expression is regulated by levels of levels of 5,10-methylene-THF in the cytoplasm 72 S000000041 ORF Verified YAL043C PTA1 1 61053 58696 C Subunit of holo-CPF, a multiprotein complex and functional homolog of mammalian CPSF, required for the cleavage and polyadenylation of mRNA and snoRNA 3' ends; involved in pre-tRNA processing; binds to the phosphorylated CTD of RNAPII 74 S000000040 ORF Verified YAL042W ERV46 1 61317 62564 W Protein localized to COPII-coated vesicles, forms a complex with Erv41p; involved in the membrane fusion stage of transport 76 S000002138 ORF Dubious YAL042C-A n.a. 1 61609 61232 C Hypothetical protein 78 S000000039 ORF Verified YAL041W CDC24 1 62841 65405 W Guanine nucleotide exchange factor (GEF or GDP-release factor) for Cdc42p; required for polarity establishment and maintenance, and mutants have morphological defects in bud formation and shmooing 80 S000000038 ORF Verified YAL040C CLN3 1 67521 65779 C G1 cyclin involved in cell cycle progression; activates Cdc28p kinase to promote the G1 to S phase transition; plays a role in regulating transcription of the other G1 cyclins, CLN1 and CLN2; regulated by phosphorylation and proteolysis 82 S000000037 ORF Verified YAL039C CYC3 1 69526 68717 C Cytochrome c heme lyase (holocytochrome c synthase), attaches heme to apo-Cyc1p in the mitochondrial intermembrane space; human ortholog may have a role in microphthalmia with linear skin defects (MLS) 84 S000000036 ORF Verified YAL038W CDC19 1 71787 73289 W Pyruvate kinase, functions as a homotetramer in glycolysis to convert phosphoenolpyruvate to pyruvate, the input for aerobic (TCA cycle) or anaerobic (glucose fermentation) respiration 86 S000028592 ORF Dubious YAL037C-B n.a. 1 73301 72327 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 88 S000028732 ORF Uncharacterized YAL037C-A n.a. 1 73519 73427 C Identified by SAGE 90 S000000035 ORF Uncharacterized YAL037W n.a. 1 74021 74824 W Hypothetical protein 92 S000000034 ORF Verified YAL036C RBG1 1 76153 75044 C Member of the DRG family of GTP-binding proteins; interacts with translating ribosomes 94 S000000033 ORF Verified YAL035W FUN12 1 76428 79436 W GTPase, required for general translation initiation by promoting Met-tRNAiMet binding to ribosomes and ribosomal subunit joining; homolog of bacterial IF2 96 S000000032 ORF Verified YAL034W-A MTW1 1 79719 80588 W Essential component of the MIND kinetochore complex (Mtw1p Including Nnf1p-Nsl1p-Dsn1p) which joins kinetochore subunits contacting DNA to those contacting microtubules; critical to kinetochore assembly 98 S000002137 ORF Dubious YAL034C-B n.a. 1 79843 79490 C Protein required for cell viability 100 S000002134 ORF Verified YAL034C FUN19 1 81952 80711 C Non-essential protein of unknown function 102 S000000031 ORF Verified YAL033W POP5 1 82707 83228 W Subunit of both RNase MRP, which cleaves pre-rRNA, and nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends 104 S000000030 ORF Verified YAL032C PRP45 1 84475 83336 C Ortholog of human transcriptional coactivator SKIP, can activate transcription of a reporter gene; interacts with splicing factors Prp22p and Prp46p 106 S000028731 ORF Dubious YAL031W-A n.a. 1 84670 84978 W Questionable ORF from MIPS 108 S000000029 ORF Verified YAL031C n.a. 1 87032 84750 C Cytoplasmic Glc7p-interacting protein, potential Cdc28p substrate 110 S000000028 ORF Verified YAL030W SNC1 1 87287 87753 W Vesicle membrane receptor protein (v-SNARE) involved in the fusion between Golgi-derived secretory vesicles with the plasma membrane; proposed to be involved in endocytosis; member of the synaptobrevin/VAMP family of R-type v-SNARE proteins 113 S000033439 intron n.a. n.a. n.a. 1 87389 87501 W n.a. 114 S000000027 ORF Verified YAL029C MYO4 1 92271 87856 C One of two type V myosins; required for mother-specific HO expression, for the bud tip localization of ASH1 and IST2 mRNA; facilitates growth and orientation of ER tubules along with She3p 116 S000000026 ORF Verified YAL028W FRT2 1 92901 94487 W Tail-anchored endoplasmic reticulum membrane protein, interacts with homolog Frt1p but is not a substrate of calcineurin (unlike Frt1p), promotes growth in conditions of high Na+, alkaline pH, or cell wall stress; potential Cdc28p substrate 118 S000000025 ORF Uncharacterized YAL027W n.a. 1 94688 95473 W Hypothetical protein 120 S000028730 ORF Dubious YAL026C-A n.a. 1 95824 95387 C Questionable ORF from MIPS 122 S000000024 ORF Verified YAL026C DRS2 1 99698 95631 C Integral membrane Ca(2+)-ATPase, potential aminophospholipid translocase required to form a specific class of secretory vesicles that accumulate upon actin cytoskeleton disruption; mutation affects maturation of the 18S rRNA 124 S000000023 ORF Verified YAL025C MAK16 1 101146 100226 C Essential nuclear protein, constituent of 66S pre-ribosomal particles; required for normal concentration of free 60S ribosomal subunits; required for maintenance of M1 satellite double-stranded RNA of the L-A virus 126 S000000022 ORF Verified YAL024C LTE1 1 105873 101566 C Putative GDP/GTP exchange factor required for mitotic exit at low temperatures; acts as a guanine nucleotide exchange factor (GEF) for Tem1p, which is a key regulator of mitotic exit; physically associates with Ras2p-GTP 128 S000000021 ORF Verified YAL023C PMT2 1 108552 106273 C Protein O-mannosyltransferase, transfers mannose residues from dolichyl phosphate-D-mannose to protein serine/threonine residues; acts in a complex with Pmt1p, can instead interact with Pmt5p in some conditions; target for new antifungals 130 S000000020 ORF Verified YAL022C FUN26 1 110431 108878 C Nucleoside transporter with broad nucleoside selectivity; localized to intracellular membranes 132 S000000019 ORF Verified YAL021C CCR4 1 113360 110847 C Component of the CCR4-NOT transcriptional complex, which is involved in regulation of gene expression; component of the major cytoplasmic deadenylase, which is involved in mRNA poly(A) tail shortening 134 S000028729 ORF Dubious YAL019W-A n.a. 1 114251 114820 W Questionable ORF from MIPS 136 S000000018 ORF Verified YAL020C ATS1 1 114616 113615 C Protein with a potential role in regulatory interactions between microtubules and the cell cycle, as suggested by genetic and physical interactions with Nap1p and genetic interactions with TUB1 138 S000000017 ORF Verified YAL019W FUN30 1 114920 118315 W Protein whose overexpression affects chromosome stability, potential Cdc28p substrate; homolog of Snf2p 140 S000000016 ORF Uncharacterized YAL018C n.a. 1 119542 118565 C Hypothetical protein 142 S000000015 ORF Verified YAL017W PSK1 1 120226 124296 W One of two (see also PSK2) PAS domain containing S/T protein kinases; coordinately regulates protein synthesis and carbohydrate metabolism and storage in response to a unknown metabolite that reflects nutritional status 144 S000028528 ORF Uncharacterized YAL016C-B n.a. 1 124493 124308 C Identified by fungal homology and RT-PCR 146 S000000014 ORF Verified YAL016W TPD3 1 124880 126787 W Regulatory subunit A of the heterotrimeric protein phosphatase 2A, which also contains regulatory subunit Cdc55p and either catalytic subunit Pph21p or Pph22p; required for cell morphogenesis and for transcription by RNA polymerase III 148 S000028728 ORF Dubious YAL016C-A n.a. 1 125070 124756 C Questionable ORF from MIPS 150 S000000013 ORF Verified YAL015C NTG1 1 128103 126904 C DNA N-glycosylase and apurinic/apyrimidinic (AP) lyase involved in base excision repair, localizes to the nucleus and mitochondrion 152 S000000012 ORF Verified YAL014C SYN8 1 129020 128253 C Endosomal SNARE related to mammalian syntaxin 8 154 S000000011 ORF Verified YAL013W DEP1 1 129271 130533 W Transcriptional modulator involved in the regulation of structural genes involved in phospholipid biosynthesis, also participates in regulation of metabolically unrelated genes as well as maintenance of mating efficiency and sporulation 156 S000000010 ORF Verified YAL012W CYS3 1 130802 131986 W Cystathionine gamma-lyase, catalyzes one of the two reactions involved in the transsulfuration pathway that yields cysteine from homocysteine with the intermediary formation of cystathionine; 158 S000000009 ORF Verified YAL011W SWC3 1 132202 134079 W Protein of unknown function, component of the Swr1p complex that incorporates Htz1p into chromatin; required for formation of nuclear-associated array of smooth endoplasmic reticulum known as karmellae 160 S000000008 ORF Verified YAL010C MDM10 1 135667 134186 C Subunit of the mitochondrial sorting and assembly machinery (SAM complex); has a role in assembly of the TOM complex, which mediates protein import through the outer membrane; required for normal mitochondrial morphology and inheritance 162 S000000007 ORF Verified YAL009W SPO7 1 135856 136635 W Integral nuclear/ER membrane protein of unknown function, required for normal nuclear envelope morphology and sporulation 164 S000000006 ORF Verified YAL008W FUN14 1 136916 137512 W Mitochondrial protein of unknown function 166 S000000005 ORF Verified YAL007C ERP2 1 138347 137700 C Protein that forms a heterotrimeric complex with Erp1p, Emp24p, and Erv25p; member, along with Emp24p and Erv25p, of the p24 family involved in ER to Golgi transport and localized to COPII-coated vesicles 169 S000006680 tRNA n.a. tP(UGG)A TRN1 1 139154 139256 W tRNA-Pro 170 S000035969 intron n.a. n.a. n.a. 1 139190 139220 W n.a. 173 S000002136 ORF Dubious YAL004W n.a. 1 140762 141409 W Hypothetical protein 175 S000000004 ORF Verified YAL005C SSA1 1 141433 139505 C ATPase involved in protein folding and nuclear localization signal (NLS)-directed nuclear transport; member of heat shock protein 70 (HSP70) family; forms a chaperone complex with Ydj1p; localized to the nucleus, cytoplasm, and cell wall 177 S000000003 ORF Verified YAL003W EFB1 1 142176 143162 W Translation elongation factor 1 beta; stimulates nucleotide exchange to regenerate EF-1 alpha-GTP for the next elongation cycle; part of the EF-1 complex, which facilitates binding of aminoacyl-tRNA to the ribosomal A site 180 S000031943 intron n.a. n.a. n.a. 1 142256 142621 W n.a. 181 S000007500 snoRNA n.a. snR18 SNR18 1 142374 142475 W guides 2'-O-methylation on large subunit rRNA at A649 and A650; U18 snoRNA 183 S000000002 ORF Verified YAL002W VPS8 1 143709 147533 W involved in vacuolar protein sorting; required for localization and trafficking of the CPY sorting receptor; Vps8p is a membrane-associated hydrophilic protein which contains a C-terminal cysteine-rich region that conforms to the H2 variant of the RING finger Zn2+ binding motif. 185 S000000001 ORF Verified YAL001C TFC3 1 151168 147596 C Largest of six subunits of the RNA polymerase III transcription initiation factor complex (TFIIIC); part of the TauB domain of TFIIIC that binds DNA at the BoxB promoter sites of tRNA and similar genes; cooperates with Tfc6p in DNA binding 188 S000030736 intron n.a. n.a. n.a. 1 151098 151009 C n.a. 193 S000000063 ORF Verified YAR002W NUP60 1 152259 153878 W Subunit of the nuclear pore complex (NPC), functions to anchor Nup2p to the NPC in a dynamic process that is controlled by the nucleoplasmic concentration of Gsp1p-GTP; potential Cdc28p substrate 195 S000002129 ORF Verified YAR002C-A ERP1 1 154726 154067 C Protein that forms a heterotrimeric complex with Erp2p, Emp24p, and Erv25p; member, along with Emp24p and Erv25p, of the p24 family involved in ER to Golgi transport and localized to COPII-coated vesicles 197 S000000064 ORF Verified YAR003W SWD1 1 155007 156287 W Subunit of the COMPASS (Set1C) complex, which methylates Rad6p ubiquitinated histone H3 on lysine 4 and is required in transcriptional silencing near telomeres; WD40 beta propeller superfamily member with similarity to mammalian Rbbp7 199 S000000065 ORF Verified YAR007C RFA1 1 158621 156756 C Subunit of heterotrimeric Replication Factor A (RF-A), which is a highly conserved single-stranded DNA binding protein involved in DNA replication, repair, and recombination 201 S000000066 ORF Verified YAR008W SEN34 1 158967 159794 W Subunit of the tRNA splicing endonuclease, which is composed of Sen2p, Sen15p, Sen34p, and Sen54p; Sen34p contains the active site for tRNA 3' splice site cleavage and has similarity to Sen2p and to Archaeal tRNA splicing endonuclease 212 S000006521 tRNA n.a. tA(UGC)A n.a. 1 166268 166340 W tRNA-Ala 214 S000000069 ORF Verified YAR014C BUD14 1 168866 166743 C Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 216 S000000070 ORF Verified YAR015W ADE1 1 169370 170290 W N-succinyl-5-aminoimidazole-4-carboxamide ribotide (SAICAR) synthetase, required for 'de novo' purine nucleotide biosynthesis; red pigment accumulates in mutant cells deprived of adenine 218 S000000071 ORF Verified YAR018C KIN3 1 171698 170391 C Nonessential protein kinase with unknown cellular role 220 S000028735 ORF Dubious YAR019W-A n.a. 1 174996 175340 W Questionable ORF from MIPS 222 S000000072 ORF Verified YAR019C CDC15 1 175133 172209 C Protein kinase of the Mitotic Exit Network that is localized to the spindle pole bodies at late anaphase; promotes mitotic exit by directly switching on the kinase activity of Dbf2p 224 S000000073 ORF Verified YAR020C PAU7 1 177021 176854 C Part of 23-member seripauperin multigene family, active during alcoholic fermentation, regulated by anaerobiosis, inhibited by oxygen, repressed by heme 226 S000000074 ORF Uncharacterized YAR023C n.a. 1 179818 179279 C Putative integral membrane protein, member of DUP240 gene family 228 S000006636 tRNA n.a. tL(CAA)A SUP56 1 181135 181248 W tRNA-Leu 229 S000033745 intron n.a. n.a. n.a. 1 181173 181204 W n.a. 232 S000006719 tRNA n.a. tS(AGA)A n.a. 1 182597 182516 C tRNA-Ser 236 S000000075 ORF Verified YAR027W UIP3 1 183764 184471 W Putative integral membrane protein of unknown function; interacts with Ulp1p at the nuclear periphery; member of DUP240 gene family 238 S000000076 ORF Uncharacterized YAR028W n.a. 1 184886 185590 W Putative integral membrane protein, member of DUP240 gene family 240 S000000077 ORF Uncharacterized YAR029W n.a. 1 186315 186539 W Member of DUP240 gene family but contains no transmembrane domains; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 242 S000000078 ORF Verified YAR031W PRM9 1 186830 187726 W Pheromone-regulated protein with 3 predicted transmembrane segments and an FF sequence, a motif involved in COPII binding 244 S000001821 ORF Dubious YAR030C n.a. 1 186847 186506 C Hypothetical protein 246 S000000079 ORF Verified YAR033W MST28 1 188101 188805 W Putative integral membrane protein, involved in vesicle formation; forms complex with Mst27p; member of DUP240 gene family; binds COPI and COPII vesicles 249 S000000080 ORF Verified YAR035W YAT1 1 190187 192250 W Outer mitochondrial carnitine acetyltransferase, minor ethanol-inducible enzyme involved in transport of activated acyl groups from the cytoplasm into the mitochondrial matrix 251 S000028595 ORF Uncharacterized YAR035C-A n.a. 1 192411 192331 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 253 S000000081 ORF Verified YAR042W SWH1 1 192613 196179 W Protein similar to mammalian oxysterol-binding protein; contains ankyrin repeats; localizes to the Golgi and the nucleus-vacuole junction 255 S000000083 ORF Dubious YAR047C n.a. 1 201780 201460 C Hypothetical protein 257 S000000084 ORF Verified YAR050W FLO1 1 203394 208007 W Lectin-like protein involved in flocculation, cell wall protein that binds to mannose chains on the surface of other cells, confers floc-forming ability that is chymotrypsin sensitive and heat resistant; similar to Flo5p 259 S000000085 ORF Dubious YAR053W n.a. 1 208358 208654 W Hypothetical protein 262 S000000086 ORF Dubious YAR060C n.a. 1 217483 217148 C Hypothetical protein 268 S000000089 ORF Uncharacterized YAR064W n.a. 1 220189 220488 W Hypothetical protein 270 S000002144 ORF Uncharacterized YAR066W n.a. 1 221040 221651 W Hypothetical protein 272 S000000091 ORF Uncharacterized YAR068W n.a. 1 222397 222882 W putative membrane protein 274 S000000092 ORF Dubious YAR069C n.a. 1 224295 224002 C Hypothetical protein 276 S000000093 ORF Dubious YAR070C n.a. 1 224853 224554 C Hypothetical protein 278 S000000094 ORF Verified YAR071W PHO11 1 225451 226854 W One of three repressible acid phosphatases, a glycoprotein that is transported to the cell surface by the secretory pathway; induced by phosphate starvation and coordinately regulated by PHO4 and PHO2 280 S000000095 ORF Verified YAR073W IMD1 1 227733 228944 W Nonfunctional protein with homology to IMP dehydrogenase; IMD1 is a probable pseudogene that is located close to the telomere and is not expressed at detectable levels 282 S000002145 ORF Uncharacterized YAR075W n.a. 1 228835 229308 W Hypothetical protein 292 S000028665 ORF Dubious YJL225W-A n.a. 10 829 1311 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 294 S000003760 ORF Uncharacterized YJL225C n.a. 10 6130 466 C Hypothetical protein 297 S000033323 intron n.a. n.a. n.a. 10 4969 4582 C n.a. 307 S000003759 ORF Verified YJL223C PAU1 10 9138 8776 C Part of 23-member seripauperin multigene family encoded mainly in subtelomeric regions, active during alcoholic fermentation, regulated by anaerobiosis, negatively regulated by oxygen, repressed by heme 309 S000028664 ORF Dubious YJL222W-B n.a. 10 9346 9483 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 311 S000028663 ORF Dubious YJL222W-A n.a. 10 9452 9679 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 313 S000003758 ORF Verified YJL222W VTH2 10 11475 16124 W Putative membrane glycoprotein with strong similarity to Vth1p and Pep1p/Vps10p, may be involved in vacuolar protein sorting 316 S000003756 ORF Dubious YJL220W n.a. 10 18243 18695 W Hypothetical protein 318 S000003757 ORF Verified YJL221C FSP2 10 18536 16767 C Protein of unknown function, expression is induced during nitrogen limitation 320 S000003755 ORF Verified YJL219W HXT9 10 19497 21200 W Putative hexose transporter that is nearly identical to Hxt11p, has similarity to major facilitator superfamily (MFS) transporters, expression of HXT9 is regulated by transcription factors Pdr1p and Pdr3p 322 S000003754 ORF Uncharacterized YJL218W n.a. 10 21973 22563 W Hypothetical protein 324 S000003753 ORF Uncharacterized YJL217W n.a. 10 23133 23729 W Hypothetical protein 327 S000003752 ORF Uncharacterized YJL216C n.a. 10 26086 24341 C Protein of unknown function, transcriptionally activated by Yrm1p along with genes involved in multidrug resistance 329 S000003751 ORF Dubious YJL215C n.a. 10 26771 26412 C Hypothetical protein 331 S000003750 ORF Verified YJL214W HXT8 10 26887 28596 W Protein of unknown function with similarity to hexose transporter family members, expression is induced by low levels of glucose and repressed by high levels of glucose 333 S000003749 ORF Uncharacterized YJL213W n.a. 10 32163 33158 W Hypothetical protein 335 S000003748 ORF Verified YJL212C OPT1 10 36249 33850 C Plasma membrane transporter that transports tetra- and pentapeptides and glutathione; member of the OPT family 337 S000003746 ORF Verified YJL210W PEX2 10 36919 37734 W RING-finger peroxin, peroxisomal membrane protein with a C-terminal zinc-binding RING domain, forms putative translocation subcomplex with Pex10p and Pex12p which functions in peroxisomal matrix protein import 339 S000003747 ORF Dubious YJL211C n.a. 10 37200 36757 C Hypothetical protein 341 S000003745 ORF Verified YJL209W CBP1 10 38005 39969 W Protein required for COB mRNA stability or 5' processing, required for translation of COB mRNAs 343 S000003744 ORF Verified YJL208C NUC1 10 41183 40194 C Major mitochondrial nuclease, has RNAse and DNA endo- and exonucleolytic activities; has a role in mitochondrial recombination 345 S000003743 ORF Uncharacterized YJL207C n.a. 10 47433 41389 C Hypothetical protein 347 S000003741 ORF Uncharacterized YJL206C n.a. 10 49935 47659 C Hypothetical protein 349 S000003742 ORF Verified YJL205C NCE101 10 50443 50139 C Protein of unknown function, involved in secretion of proteins that lack classical secretory signal sequences 352 S000034431 intron n.a. n.a. n.a. 10 50411 50269 C n.a. 353 S000003740 ORF Verified YJL204C RCY1 10 53151 50629 C F-box protein involved in recycling plasma membrane proteins internalized by endocytosis; localized to sites of polarized growth 355 S000003739 ORF Verified YJL203W PRP21 10 53341 54183 W Subunit of the SF3a splicing factor complex, required for spliceosome assembly 357 S000003738 ORF Dubious YJL202C n.a. 10 54290 53943 C Protein required for cell viability 359 S000003737 ORF Verified YJL201W ECM25 10 54379 56178 W Non-essential protein of unknown function; promoter contains a consensus binding sequence for factor Abf1p 361 S000003736 ORF Uncharacterized YJL200C n.a. 10 58813 56444 C Hypothetical protein 363 S000006743 tRNA n.a. tT(AGU)J n.a. 10 59172 59100 C tRNA-Thr 366 S000003735 ORF Dubious YJL199C MBB1 10 60181 59855 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; protein detected in large-scale protein-protein interaction studies 368 S000003734 ORF Verified YJL198W PHO90 10 60843 63488 W Low-affinity phosphate transporter; deletion of pho84, pho87, pho89, pho90, and pho91 causes synthetic lethality; transcription independent of Pi and Pho4p activity; overexpression results in vigorous growth 370 S000003733 ORF Verified YJL197W UBP12 10 63804 67568 W Ubiquitin-specific protease present in the nucleus and cytoplasm that cleaves ubiquitin from ubiquitinated proteins 372 S000028839 ORF Dubious YJL197C-A n.a. 10 66085 65804 C Identified by expression profiling and mass spectrometry 375 S000003732 ORF Verified YJL196C ELO1 10 68781 67849 C Elongase I, medium-chain acyl elongase, catalyzes carboxy-terminal elongation of unsaturated C12-C16 fatty acyl-CoAs to C16-C18 fatty acids 377 S000003730 ORF Verified YJL194W CDC6 10 69337 70878 W Essential ATP-binding protein required for DNA replication, component of the pre-replicative complex (pre-RC) which requires ORC to associate with chromatin and is in turn required for Mcm2-7p DNA association; homologous to S. pombe Cdc18p 379 S000003731 ORF Dubious YJL195C n.a. 10 69941 69240 C Protein required for cell viability 381 S000003729 ORF Uncharacterized YJL193W n.a. 10 71365 72573 W Hypothetical protein 383 S000003728 ORF Verified YJL192C SOP4 10 73413 72709 C suppressor of pma1-7 385 S000003727 ORF Verified YJL191W RPS14B 10 73786 74610 W Ribosomal protein 59 of the small subunit, required for ribosome assembly and 20S pre-rRNA processing; mutations confer cryptopleurine resistance; nearly identical to Rps14Ap and similar to E. coli S11 and rat S14 ribosomal proteins 388 S000032006 intron n.a. n.a. n.a. 10 73796 74203 W n.a. 389 S000003726 ORF Verified YJL190C RPS22A 10 75301 74909 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps22Bp and has similarity to E. coli S8 and rat S15a ribosomal proteins 391 S000003725 ORF Verified YJL189W RPL39 10 75932 76473 W Protein component of the large (60S) ribosomal subunit, has similarity to rat L39 ribosomal protein; required for ribosome biogenesis; exhibits genetic interactions with SIS1 and PAB1 394 S000030846 intron n.a. n.a. n.a. 10 75938 76323 W n.a. 395 S000003724 ORF Dubious YJL188C BUD19 10 76509 76201 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 88% of ORF overlaps the verified gene RPL39; diploid mutant displays a weak budding pattern phenotype in a systematic assay 397 S000003723 ORF Verified YJL187C SWE1 10 79261 76802 C Protein kinase that regulates the G2/M transition by inhibition of Cdc28p kinase activity; localizes to the nucleus and to the daughter side of the mother-bud neck; homolog of S. pombe Wee1p; potential Cdc28p substrate 399 S000003722 ORF Verified YJL186W MNN5 10 80153 81913 W Alpha-1,2-mannosyltransferase, responsible for addition of the second alpha-1,2-linked mannose of the branches on the mannan backbone of oligosaccharides, localizes to an early Golgi compartment 401 S000003721 ORF Uncharacterized YJL185C n.a. 10 82974 82093 C Hypothetical protein 403 S000003720 ORF Verified YJL184W GON7 10 83446 83817 W Protein of unknown function, proposed to be involved in the transfer of mannosylphosphate groups onto N-linked oligosaccharides; also proposed to be involved in responding to osmotic stress 405 S000003719 ORF Verified YJL183W MNN11 10 84066 85334 W Subunit of a Golgi mannosyltransferase complex that also contains Anp1p, Mnn9p, Mnn10p, and Hoc1p, and mediates elongation of the polysaccharide mannan backbone; has homology to Mnn10p 407 S000003717 ORF Uncharacterized YJL181W n.a. 10 85658 87493 W Hypothetical protein 409 S000003718 ORF Dubious YJL182C n.a. 10 85750 85433 C Hypothetical protein 411 S000003716 ORF Verified YJL180C ATP12 10 88558 87581 C Molecular chaperone, required for the assembly of alpha and beta subunits into the F1 sector of mitochondrial F1F0 ATP synthase 413 S000003715 ORF Verified YJL179W PFD1 10 88785 89114 W Subunit of heterohexameric prefoldin, which binds cytosolic chaperonin and transfers target proteins to it; involved in the biogenesis of actin and of alpha- and gamma-tubulin 415 S000003714 ORF Verified YJL178C ATG27 10 90095 89280 C Type II membrane protein that binds phosphatidylinositol 3-phosphate, required for the cytoplasm-to-vacuole targeting (Cvt) pathway 417 S000003713 ORF Verified YJL177W RPL17B 10 90784 91655 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl17Ap and has similarity to E. coli L22 and rat L17 ribosomal proteins 420 S000033685 intron n.a. n.a. n.a. 10 91093 91409 W n.a. 421 S000003711 ORF Dubious YJL175W n.a. 10 94047 94559 W Hypothetical protein 423 S000003712 ORF Verified YJL176C SWI3 10 94528 92051 C One of 11 subunits of the SWI/SNF chromatin remodeling complex that regulates transcription by remodeling chromosomes; required for transcription of many genes, including ADH1, ADH2, GAL1, HO, INO1 and SUC2 425 S000003710 ORF Verified YJL174W KRE9 10 95090 95920 W Glycoprotein involved in cell wall beta-glucan assembly; null mutation leads to severe growth defects, aberrant multibudded morphology, and mating defects 427 S000003709 ORF Verified YJL173C RFA3 10 96527 96159 C Subunit of heterotrimeric Replication Factor A (RF-A), which is a highly conserved single-stranded DNA binding protein involved in DNA replication, repair, and recombination 429 S000003708 ORF Verified YJL172W CPS1 10 97731 99461 W Vacuolar carboxypeptidase yscS; expression is induced under low-nitrogen conditions 432 S000003707 ORF Uncharacterized YJL171C n.a. 10 100888 99698 C Hypothetical protein 434 S000003706 ORF Verified YJL170C ASG7 10 101695 101144 C Protein that regulates signaling from a G protein beta subunit Ste4p and its relocalization within the cell; specific to a-cells and induced by alpha-factor 436 S000003705 ORF Dubious YJL169W n.a. 10 102092 102460 W Hypothetical protein 438 S000003704 ORF Verified YJL168C SET2 10 104421 102220 C Histone methyltransferase with a role in transcriptional elongation, methylates a lysine residue of histone H3; associates with the C-terminal domain of Rpo21p; histone methylation activity is regulated by phosphorylation status of Rpo21p 440 S000003703 ORF Verified YJL167W ERG20 10 105007 106065 W Farnesyl pyrophosphate synthetase, has both dimethylallyltranstransferase and geranyltranstransferase activities; catalyzes the formation of C15 farnesyl pyrophosphate units for isoprenoid and sterol biosynthesis 442 S000003702 ORF Verified YJL166W QCR8 10 106427 106711 W Subunit 8 of ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; oriented facing the intermembrane space; expression is regulated by Abf1p and Cpf1p 444 S000003701 ORF Verified YJL165C HAL5 10 109454 106887 C Putative protein kinase; overexpression increases sodium and lithium tolerance, whereas gene disruption increases cation and low pH sensitivity and impairs potassium uptake, suggesting a role in regulation of Trk1p and/or Trk2p transporters 446 S000003700 ORF Verified YJL164C TPK1 10 111152 109959 C Subunit of cytoplasmic cAMP-dependent protein kinase, which contains redundant catalytic subunits Tpk1p, Tpk2p, and Tpk3p and regulatory subunit Bcy1p; promotes vegetative growth in response to nutrients; inhibits filamentous growth 449 S000003699 ORF Uncharacterized YJL163C n.a. 10 113328 111661 C Hypothetical protein 451 S000003698 ORF Uncharacterized YJL162C JJJ2 10 115624 114176 C Protein of unknown function, contains a J-domain, which is a region with homology to the E. coli DnaJ protein 453 S000006557 tRNA n.a. tE(UUC)J n.a. 10 116005 115934 C tRNA-Glu 455 S000003697 ORF Uncharacterized YJL161W n.a. 10 117240 117782 W The authentic, non-tagged protein was localized to the mitochondria 457 S000003696 ORF Uncharacterized YJL160C n.a. 10 118820 117957 C Hypothetical protein 459 S000003695 ORF Verified YJL159W HSP150 10 120444 121607 W O-mannosylated heat shock protein that is secreted and covalently attached to the cell wall via beta-1,3-glucan and disulfide bridges; required for cell wall stability; induced by heat shock, oxidative stress, and nitrogen limitation 461 S000003694 ORF Verified YJL158C CIS3 10 122865 122182 C Mannose-containing glycoprotein constituent of the cell wall; member of the PIR (proteins with internal repeats) family 463 S000003693 ORF Verified YJL157C FAR1 10 126245 123753 C Cyclin-dependent kinase inhibitor that mediates cell cycle arrest in response to pheromone; also forms a complex with Cdc24p, Ste4p, and Ste18p that may specify the direction of polarized growth during mating; potential Cdc28p substrate 465 S000007613 ORF Dubious YJL156W-A n.a. 10 126521 126742 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 467 S000003692 ORF Verified YJL156C SSY5 10 128870 126807 C Component of the SPS plasma membrane amino acid sensor system (Ssy1p-Ptr3p-Ssy5p), which senses external amino acid concentration and transmits intracellular signals that result in regulation of expression of amino acid permease genes 469 S000003691 ORF Verified YJL155C FBP26 10 130561 129203 C Fructose-2,6-bisphosphatase, required for glucose metabolism 471 S000003690 ORF Verified YJL154C VPS35 10 133853 131019 C Endosomal protein that is a subunit of the membrane-associated retromer complex essential for endosome-to-Golgi retrograde transport; forms a subcomplex with Vps26p and Vps29p that selects cargo proteins for endosome-to-Golgi retrieval 473 S000003689 ORF Verified YJL153C INO1 10 135851 134250 C Inositol 1-phosphate synthase, involved in synthesis of inositol phosphates and inositol-containing phospholipids; transcription is coregulated with other phospholipid biosynthetic genes by Ino2p and Ino4p, which bind the UASINO DNA element 475 S000003688 ORF Dubious YJL152W n.a. 10 136092 136451 W Hypothetical protein 477 S000003687 ORF Verified YJL151C SNA3 10 136691 136290 C Integral membrane protein localized to vacuolar intralumenal vesicles, computational analysis of large-scale protein-protein interaction data suggests a possible role in either cell wall synthesis or protein-vacuolar targeting 479 S000003686 ORF Dubious YJL150W n.a. 10 137041 137343 W Hypothetical protein 481 S000003685 ORF Uncharacterized YJL149W n.a. 10 137297 139288 W Hypothetical protein; has similarity to F-box proteins 483 S000006508 snoRNA n.a. snR128 SNR128 10 139609 139484 C U14 snoRNA 485 S000006509 snoRNA n.a. snR190 SNR190 10 139868 139679 C U190 snoRNA 487 S000003684 ORF Verified YJL148W RPA34 10 140355 141056 W RNA polymerase I subunit A34.5 489 S000003683 ORF Uncharacterized YJL147C n.a. 10 142485 141337 C Hypothetical protein 491 S000003682 ORF Verified YJL146W IDS2 10 143210 144619 W Protein involved in modulation of Ime2p activity during meiosis, appears to act indirectly to promote Ime2p-mediated late meiotic functions; found in growing cells and degraded during sporulation 493 S000003681 ORF Verified YJL145W SFH5 10 145078 145962 W Putative phosphatidylinositol transfer protein (PITP), exhibits phosphatidylinositol- but not phosphatidylcholine-transfer activity, mainly localized to cytosol and microsomes, similar to Sec14p; may be PITP regulator rather than actual PITP 495 S000003680 ORF Uncharacterized YJL144W n.a. 10 146277 146591 W Hypothetical protein 497 S000003679 ORF Verified YJL143W TIM17 10 147019 147495 W Essential constituent of the mitochondrial inner membrane presequence translocase; interacts with Pam18p to recruit the presequence translocase-associated motor (PAM complex) and also required for protein sorting during import 499 S000003678 ORF Dubious YJL142C n.a. 10 148129 147737 C Hypothetical protein 501 S000003677 ORF Verified YJL141C YAK1 10 150308 147885 C Serine-threonine protein kinase that is part of a glucose-sensing system involved in growth control in response to glucose availability; translocates from the cytoplasm to the nucleus and phosphorylates Pop2p in response to a glucose signal 503 S000003676 ORF Verified YJL140W RPB4 10 150879 151544 W RNA polymerase II subunit B32; forms two subunit dissociable complex with Rpb7p; dispensable under some environmental conditions; involved in export of mRNA to cytoplasm under stress conditions 505 S000003675 ORF Verified YJL139C YUR1 10 152917 151631 C Mannosyltransferase of the KTR1 family, involved in protein N-glycosylation; located in the Golgi apparatus 507 S000003674 ORF Verified YJL138C TIF2 10 154609 153422 C Translation initiation factor eIF4A, identical to Tif1p; DEA(D/H)-box RNA helicase that couples ATPase activity to RNA binding and unwinding; forms a dumbbell structure of two compact domains connected by a linker; interacts with eIF4G 509 S000003673 ORF Verified YJL137C GLG2 10 156045 154903 C Self-glucosylating initiator of glycogen synthesis, also glucosylates n-dodecyl-beta-D-maltoside; similar to mammalian glycogenin 511 S000028806 ORF Uncharacterized YJL136W-A n.a. 10 156087 156170 W Identified by SAGE 513 S000003672 ORF Verified YJL136C RPS21B 10 157191 156468 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps21Bp and has similarity to rat S21 ribosomal protein 516 S000034085 intron n.a. n.a. n.a. 10 157167 156708 C n.a. 517 S000003671 ORF Dubious YJL135W n.a. 10 157795 158112 W Hypothetical protein 519 S000003670 ORF Verified YJL134W LCB3 10 158106 159335 W Long-chain base-1-phosphate phosphatase, regulates ceramide and long-chain base phosphates levels, involved in incorporation of exogenous long chain bases in sphingolipids 521 S000028805 ORF Uncharacterized YJL133C-A n.a. 10 159765 159541 C ORF, Uncharacterized 523 S000003669 ORF Verified YJL133W MRS3 10 160537 161481 W Mitochondrial iron transporter of the mitochondrial carrier family (MCF), very similar to and functionally redundant with Mrs4p; functions under low-iron conditions; may transport other cations in addition to iron 525 S000003668 ORF Uncharacterized YJL132W n.a. 10 161832 164084 W Hypothetical protein 527 S000003667 ORF Uncharacterized YJL131C n.a. 10 165266 164196 C Hypothetical protein 529 S000003666 ORF Verified YJL130C URA2 10 172285 165641 C Bifunctional carbamoylphosphate synthetase (CPSase)-aspartate transcarbamylase (ATCase), catalyzes the first two enzymatic steps in the de novo biosynthesis of pyrimidines; both activities are subject to feedback inhibition by UTP 531 S000003665 ORF Verified YJL129C TRK1 10 177224 173517 C Component of the Trk1p-Trk2p potassium transport system; 180 kDa high affinity potassium transporter 533 S000003664 ORF Verified YJL128C PBS2 10 180021 178015 C MAP kinase kinase that plays a pivotal role in the osmosensing signal-transduction pathway, activated under severe osmotic stress 535 S000007612 ORF Dubious YJL127W-A n.a. 10 180112 180228 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 537 S000028522 ORF Uncharacterized YJL127C-B n.a. 10 181628 181470 C Identified by homology to Ashbya gossypii 539 S000003663 ORF Verified YJL127C SPT10 10 184139 182217 C Putative histone acetylase, required for transcriptional regulation at core promoters, functions at or near the TATA box 541 S000003662 ORF Verified YJL126W NIT2 10 184420 185343 W Nit protein, one of two proteins in S. cerevisiae with similarity to the Nit domain of NitFhit from fly and worm and to the mouse and human Nit protein which interacts with the Fhit tumor suppressor; nitrilase superfamily member 543 S000003661 ORF Verified YJL125C GCD14 10 186598 185447 C Subunit of tRNA (1-methyladenosine) methyltransferase, with Gcd10p, required for the modification of the adenine at position 58 in tRNAs, especially tRNAi-Met; first identified as a negative regulator of GCN4 expression 545 S000003660 ORF Verified YJL124C LSM1 10 187564 187046 C Component of small nuclear ribonucleoprotein complexes involved in mRNA decapping and decay 547 S000003659 ORF Uncharacterized YJL123C n.a. 10 189360 187924 C Hypothetical protein 549 S000003658 ORF Uncharacterized YJL122W n.a. 10 189636 190163 W Hypothetical protein 551 S000003656 ORF Dubious YJL120W n.a. 10 190942 191265 W Hypothetical protein 553 S000003657 ORF Verified YJL121C RPE1 10 191010 190294 C D-ribulose-5-phosphate 3-epimerase, catalyzes a reaction in the non-oxidative part of the pentose-phosphate pathway; mutants are sensitive to oxidative stress 555 S000003654 ORF Uncharacterized YJL118W n.a. 10 191559 192218 W Hypothetical protein 557 S000003655 ORF Dubious YJL119C n.a. 10 191815 191492 C Hypothetical protein 559 S000003653 ORF Verified YJL117W PHO86 10 192451 193386 W Endoplasmic reticulum (ER) resident protein required for ER exit of the high-affinity phosphate transporter Pho84p, specifically required for packaging of Pho84p into COPII vesicles 561 S000003652 ORF Verified YJL116C NCA3 10 194793 193780 C Protein that functions with Nca2p to regulate mitochondrial expression of subunits 6 (Atp6p) and 8 (Atp8p ) of the Fo-F1 ATP synthase; member of the SUN family 563 S000003651 ORF Verified YJL115W ASF1 10 196206 197045 W Nucleosome assembly factor, involved in chromatin assembly after DNA replication, anti-silencing protein that causes derepression of silent loci when overexpressed 565 S000006514 tRNA n.a. tA(AGC)J n.a. 10 197304 197232 C tRNA-Ala 579 S000006536 tRNA n.a. tD(GUC)J1 n.a. 10 204652 204723 W tRNA-Asp 581 S000003648 ORF Verified YJL112W MDV1 10 205222 207366 W Peripheral protein of the cytosolic face of the mitochondrial outer membrane, required for mitochondrial fission; interacts with Fis1p and with the dynamin-related GTPase Dnm1p; contains WD repeats 583 S000003647 ORF Verified YJL111W CCT7 10 207794 209446 W Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo 585 S000003646 ORF Verified YJL110C GZF3 10 211494 209839 C GATA zinc finger protein and Dal80p homolog that negatively regulates nitrogen catabolic gene expression by competing with Gat1p for GATA site binding; function requires a repressive carbon source; dimerizes with Dal80p and binds to Tor1p 587 S000003645 ORF Verified YJL109C UTP10 10 217226 211917 C Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 589 S000003644 ORF Verified YJL108C PRM10 10 218773 217622 C Pheromone-regulated protein, predicted to have 5 transmembrane segments 591 S000003643 ORF Uncharacterized YJL107C n.a. 10 219933 218770 C Hypothetical protein 593 S000003642 ORF Verified YJL106W IME2 10 221307 223244 W Serine/threonine protein kinase involved in activation of meiosis, associates with Ime1p and mediates its stability, activates Ndt80p; IME2 expression is positively regulated by Ime1p 595 S000003641 ORF Verified YJL105W SET4 10 224972 226654 W Protein of unknown function, contains a SET domain 597 S000003640 ORF Verified YJL104W PAM16 10 227244 227693 W Constituent of the mitochondrial import motor associated with the presequence translocase, along with Ssc1p, Tim44p, Mge1p, and Pam18p; has similarity to J-domain containing proteins 599 S000006501 snoRNA n.a. snR37 SNR37 10 228396 228011 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at position 2940 602 S000003639 ORF Uncharacterized YJL103C n.a. 10 230798 228942 C Hypothetical protein 604 S000003638 ORF Verified YJL102W MEF2 10 231218 233677 W Mitochondrial elongation factor involved in translational elongation 606 S000006702 tRNA n.a. tR(ACG)J n.a. 10 233856 233928 W tRNA-Arg 608 S000003637 ORF Verified YJL101C GSH1 10 236273 234237 C Gamma glutamylcysteine synthetase, catalyzes the first step in the gamma-glutamyl cycle for glutathione (GSH) biosynthesis; expression induced by oxidants, cadmium, and mercury 610 S000003636 ORF Verified YJL100W LSB6 10 237180 239003 W Phosphatidylinositol 4-kinase that binds Las17p, which is a homolog of human Wiskott-Aldrich Syndrome protein involved in actin patch assembly and actin polymerization 612 S000003635 ORF Verified YJL099W CHS6 10 239331 241571 W Protein of unknown function, involved in chitin biosynthesis by regulating Chs3p localization 614 S000003634 ORF Verified YJL098W SAP185 10 241999 245175 W Protein that forms a complex with the Sit4p protein phosphatase and is required for its function; member of a family of similar proteins including Sap4p, Sap155p, and Sap190p 616 S000003633 ORF Uncharacterized YJL097W n.a. 10 245508 246161 W Protein required for cell viability 618 S000003632 ORF Verified YJL096W MRPL49 10 246407 246892 W Mitochondrial ribosomal protein of the large subunit 620 S000003631 ORF Verified YJL095W BCK1 10 247171 251607 W Mitogen-activated protein (MAP) kinase kinase kinase acting in the protein kinase C signaling pathway, which controls cell integrity; upon activation by Pkc1p phosphorylates downstream kinases Mkk1p and Mkk2p 622 S000003630 ORF Verified YJL094C KHA1 10 254358 251737 C Putative K+/H+ antiporter 624 S000003629 ORF Verified YJL093C TOK1 10 256728 254653 C Outward-rectifier potassium channel of the plasma membrane with two pore domains in tandem, each of which forms a functional channel permeable to potassium; carboxy tail functions to prevent inner gate closures; target of K1 toxin 626 S000003628 ORF Verified YJL092W HPR5 10 257339 260863 W DNA helicase and DNA-dependent ATPase involved in DNA repair, required for proper timing of commitment to meiotic recombination and the transition from Meiosis I to Meiosis II; potential Cdc28p substrate 628 S000003627 ORF Verified YJL091C GWT1 10 262468 260996 C Protein involved in the inositol acylation of glucosaminyl phosphatidylinositol (GlcN-PI) to form glucosaminyl(acyl)phosphatidylinositol (GlcN(acyl)PI), an intermediate in the biosynthesis of glycosylphosphatidylinositol (GPI) anchors 630 S000003626 ORF Verified YJL090C DPB11 10 264967 262673 C Essential BRCT repeat protein, required on the prereplicative complex at replication origins for loading DNA polymerases to initiate DNA synthesis, also required for S/M checkpoint control 632 S000003625 ORF Verified YJL089W SIP4 10 265842 268331 W C6 zinc cluster transcriptional activator that binds to the carbon source-responsive element (CSRE) of gluconeogenic genes; involved in the positive regulation of gluconeogenesis; regulated by Snf1p protein kinase; localized to the nucleus 634 S000003624 ORF Verified YJL088W ARG3 10 268715 269731 W Ornithine carbamoyltransferase (carbamoylphosphate:L-ornithine carbamoyltransferase), catalyzes the sixth step in the biosynthesis of the arginine precursor ornithine 636 S000003623 ORF Verified YJL087C TRL1 10 272401 269918 C tRNA ligase, required for tRNA splicing; composed of three essential domains containing the phosphodiesterase, polynucleotide kinase, and ligase activities required for ligation; localized at the inner membrane of the nuclear envelope 638 S000003621 ORF Verified YJL085W EXO70 10 272743 274614 W Essential 70kDa subunit of the exocyst complex (Sec3p, Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p), which has the essential function of mediating polarized targeting of secretory vesicles to active sites of exocytosis 640 S000003622 ORF Dubious YJL086C n.a. 10 272762 272394 C Protein required for cell viability 642 S000003620 ORF Verified YJL084C n.a. 10 277918 274778 C Cytoplasmic protein of unknown function that interacts with Pcl7p, phosphorylated in vitro; potential Cdc28p substrate 644 S000003619 ORF Verified YJL083W TAX4 10 278757 280571 W Protein involved in regulation of phosphatidylinositol 4,5-bisphosphate concentrations; Irs4p and Tax4p bind and activate the phosphatase Inp51p 646 S000003618 ORF Verified YJL082W IML2 10 281101 283296 W Protein of unknown function, green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus 648 S000003617 ORF Verified YJL081C ARP4 10 285187 283718 C Nuclear actin-related protein involved in chromatin remodeling, component of chromatin-remodeling enzyme complexes 650 S000003616 ORF Verified YJL080C SCP160 10 289142 285474 C Essential RNA-binding G protein effector of mating response pathway, predominantly associated with nuclear envelope and ER, interacts in mRNA-dependent manner with translating ribosomes via multiple KH domains, similar to vertebrate vigilins 652 S000003615 ORF Verified YJL079C PRY1 10 290690 289791 C Protein of unknown function, has similarity to Pry2p and Pry3p and to the plant PR-1 class of pathogen related proteins 654 S000003614 ORF Verified YJL078C PRY3 10 293897 291252 C Protein of unknown function, has similarity to Pry1p and Pry2p and to the plant PR-1 class of pathogen related proteins 656 S000028662 ORF Uncharacterized YJL077W-B n.a. 10 293963 294061 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 658 S000028661 ORF Dubious YJL077W-A n.a. 10 294715 294801 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 660 S000003613 ORF Uncharacterized YJL077C ICS3 10 294977 294582 C Protein of unknown function 662 S000003612 ORF Verified YJL076W NET1 10 295161 298730 W Core subunit of the RENT complex, which is a complex involved in nucleolar silencing and telophase exit; stimulates transcription by RNA polymerase I and regulates nucleolar structure 665 S000003611 ORF Dubious YJL075C n.a. 10 298792 298376 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 85% of ORF overlaps the verified gene NET1 667 S000003610 ORF Verified YJL074C SMC3 10 302765 299073 C Subunit of the multiprotein cohesin complex required for sister chromatid cohesion in mitotic cells; also required, with Rec8p, for cohesion and recombination during meiosis; phylogenetically conserved SMC chromosomal ATPase family member 669 S000003609 ORF Verified YJL073W JEM1 10 303097 305034 W DnaJ-like chaperone required for nuclear membrane fusion during mating, localizes to the ER membrane; exhibits genetic interactions with KAR2 671 S000003608 ORF Verified YJL072C PSF2 10 305778 305137 C Subunit of the GINS complex (Sld5p, Psf1p, Psf2p, Psf3p), which binds to DNA replication origins and facilitates assembly of the DNA replication machinery 673 S000003607 ORF Verified YJL071W ARG2 10 306048 307772 W Acetylglutamate synthase (glutamate N-acetyltransferase), mitochondrial enzyme that catalyzes the first step in the biosynthesis of the arginine precursor ornithine; forms a complex with Arg5,6p 675 S000003606 ORF Uncharacterized YJL070C n.a. 10 310553 307887 C Hypothetical protein 677 S000003605 ORF Uncharacterized YJL069C UTP18 10 312622 310838 C Possible U3 snoRNP protein involved in maturation of pre-18S rRNA, based on computational analysis of large-scale protein-protein interaction data 679 S000003604 ORF Uncharacterized YJL068C n.a. 10 313831 312932 C Hypothetical protein 681 S000003603 ORF Dubious YJL067W n.a. 10 314000 314350 W Hypothetical protein 683 S000003602 ORF Verified YJL066C MPM1 10 314788 314030 C Mitochondrial membrane protein of unknown function, contains no hydrophobic stretches 685 S000003600 ORF Dubious YJL064W n.a. 10 315091 315486 W Hypothetical protein 687 S000003601 ORF Verified YJL065C DLS1 10 315473 314970 C Subunit of ISW2/yCHRAC chromatin accessibility complex along with Itc1p, Isw2p, and Dpb4p; involved in inheritance of telomeric silencing 689 S000003599 ORF Verified YJL063C MRPL8 10 316391 315675 C Mitochondrial ribosomal protein of the large subunit 691 S000007611 ORF Uncharacterized YJL062W-A n.a. 10 316639 316896 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 693 S000003598 ORF Verified YJL062W LAS21 10 317200 319692 W Integral plasma membrane protein involved in the synthesis of the glycosylphosphatidylinositol (GPI) core structure; mutations affect cell wall integrity 695 S000003597 ORF Verified YJL061W NUP82 10 319932 322073 W Subunit of the nuclear pore complex (NPC), forms a subcomplex with Nup159p and Nsp1p, interacts with Nup116p and is required for proper localization of Nup116p in the NPC 697 S000003596 ORF Verified YJL060W BNA3 10 323302 324636 W Arylformamidase, involved in biosynthesis of nicotinic acid from tryptophan via kynurenine pathway; potential Cdc28p substrate 699 S000003595 ORF Verified YJL059W YHC3 10 324880 326106 W Homolog of human CLN3; vacuolar/lysosomal membrane protein 701 S000003594 ORF Verified YJL058C BIT61 10 327789 326158 C Subunit of TORC2 (Tor2p-Lst8p-Avo1-Avo2-Tsc11p-Bit61p-Slm1p-Slm2p), a membrane-associated complex that regulates cell cycle-dependent actin cytoskeletal dynamics during polarized growth and cell wall integrity 703 S000003593 ORF Uncharacterized YJL057C n.a. 10 330037 328034 C probable serine/threonine kinase 705 S000003592 ORF Verified YJL056C ZAP1 10 332989 330347 C Zinc-regulated transcription factor, binds to zinc-responsive promoter elements to induce transcription of certain genes in the presence of zinc; regulates its own transcription; contains seven zinc-finger domains 707 S000003591 ORF Uncharacterized YJL055W n.a. 10 333273 334010 W Hypothetical protein 709 S000003590 ORF Verified YJL054W TIM54 10 334181 335617 W Translocase Inner Membrane, 54kD; Translocase for the insertion of proteins into the mitochondrial inner membrane. 711 S000003589 ORF Verified YJL053W PEP8 10 335814 336953 W Vacuolar protein sorting protein that forms part of the multimeric membrane-associated retromer complex along with Vps35p, Vps29p, Vps17p, and Vps5p; essential for endosome-to-Golgi retrograde protein transport 714 S000007610 ORF Uncharacterized YJL052C-A n.a. 10 337919 337800 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 716 S000003588 ORF Verified YJL052W TDH1 10 338187 339185 W Glyceraldehyde-3-phosphate dehydrogenase, isozyme 1, involved in glycolysis and gluconeogenesis; tetramer that catalyzes the reaction of glyceraldehyde-3-phosphate to 1,3 bis-phosphoglycerate; detected in the cytoplasm and cell-wall 718 S000003587 ORF Uncharacterized YJL051W n.a. 10 339703 342171 W Protein of unknown function, localized to the bud tip; mRNA is targeted to the bud via the mRNA transport system involving She2p 720 S000003586 ORF Verified YJL050W MTR4 10 342438 345659 W Dead-box family ATP dependent helicase required for mRNA export from the nucleus; co-factor of the exosome complex, required for 3' end formation of 5.8S rRNA 722 S000003585 ORF Uncharacterized YJL049W n.a. 10 345889 347241 W Hypothetical protein 724 S000003584 ORF Uncharacterized YJL048C UBX6 10 348553 347363 C UBX (ubiquitin regulatory X) domain-containing protein that interacts with Cdc48p, transcription is repressed when cells are grown in media containing inositol and choline 726 S000028804 ORF Uncharacterized YJL047C-A n.a. 10 349094 348960 C ORF, Uncharacterized 728 S000006451 snoRNA n.a. snR60 SNR60 10 349149 349046 C guides 2'-O-methylation on large subunit rRNA at A815 and G906; small nucleolar RNA snR60 730 S000003583 ORF Verified YJL047C RTT101 10 352024 349496 C Cullin subunit of a Roc1p-dependent E3 ubiquitin ligase complex; deletion phenotype suggests a role in anaphase progression; interacts with Mms22p and implicated in Mms22-dependent DNA repair; modified by the ubiquitin-like protein, Rub1p 732 S000003582 ORF Uncharacterized YJL046W n.a. 10 352176 353531 W Hypothetical protein 734 S000006781 tRNA n.a. tY(GUA)J1 SUP7 10 354160 354248 W tRNA-Tyr 735 S000032080 intron n.a. n.a. n.a. 10 354199 354212 W n.a. 740 S000006714 tRNA n.a. tR(UCU)J1 n.a. 10 355290 355361 W tRNA-Arg 742 S000006537 tRNA n.a. tD(GUC)J2 n.a. 10 355372 355443 W tRNA-Asp 744 S000003581 ORF Uncharacterized YJL045W n.a. 10 355940 357844 W Similar to SDH1 746 S000003580 ORF Verified YJL044C GYP6 10 359592 358216 C GTPase-activating protein (GAP) for the yeast Rab family member, Ypt6p; involved in vesicle mediated protein transport 748 S000003579 ORF Uncharacterized YJL043W n.a. 10 360046 360819 W Hypothetical protein 750 S000003578 ORF Verified YJL042W MHP1 10 361165 365361 W Microtubule-associated protein involved in assembly and stabilization of microtubules; overproduction results in cell cycle arrest at G2 phase; similar to Drosophila protein MAP and to mammalian MAP4 proteins 752 S000003577 ORF Verified YJL041W NSP1 10 365700 368289 W Essential component of the nuclear pore complex, which mediates nuclear import and export 755 S000034260 intron n.a. n.a. n.a. 10 365701 365818 W n.a. 756 S000003576 ORF Verified YJL039C NUP192 10 373715 368664 C Essential structural subunit of the nuclear pore complex (NPC), localizes to the nuclear periphery of nuclear pores, homologous to human p205 759 S000006538 tRNA n.a. tD(GUC)J3 n.a. 10 374411 374340 C tRNA-Asp 761 S000006715 tRNA n.a. tR(UCU)J2 n.a. 10 374493 374422 C tRNA-Arg 765 S000003575 ORF Uncharacterized YJL038C n.a. 10 375690 375031 C Hypothetical protein 767 S000003574 ORF Uncharacterized YJL037W n.a. 10 376578 377252 W Hypothetical protein 770 S000006759 tRNA n.a. tV(AAC)J n.a. 10 378276 378349 W tRNA-Val 772 S000003573 ORF Verified YJL036W SNX4 10 378741 380012 W Sorting nexin, involved in the retrieval of late-Golgi SNAREs from the post-Golgi endosome to the trans-Golgi network and in cytoplasm to vacuole transport; contains a PX domain; forms complex with Snx41p and Atg20p 774 S000003572 ORF Verified YJL035C TAD2 10 380917 380165 C Subunit of tRNA-specific adenosine-34 deaminase, forms a heterodimer with Tad3p that converts adenosine to inosine at the wobble position of several tRNAs 776 S000003571 ORF Verified YJL034W KAR2 10 381243 383291 W ATPase involved in protein import into the ER, also acts as a chaperone to mediate protein folding in the ER and may play a role in ER export of soluble proteins; regulates the unfolded protein response via interaction with Ire1p 778 S000003570 ORF Verified YJL033W HCA4 10 383753 386065 W Putative nucleolar DEAD box RNA helicase; high-copy number suppression of a U14 snoRNA processing mutant suggests an involvement in 18S rRNA synthesis 780 S000003569 ORF Dubious YJL032W n.a. 10 386264 386578 W Protein required for cell viability 782 S000003568 ORF Verified YJL031C BET4 10 387354 386284 C Alpha subunit of Type II geranylgeranyltransferase required for vesicular transport between the endoplasmic reticulum and the Golgi; provides a membrane attachment moiety to Rab-like proteins Ypt1p and Sec4p 785 S000030061 intron n.a. n.a. n.a. 10 387351 387265 C n.a. 786 S000003567 ORF Verified YJL030W MAD2 10 387573 388163 W Component of the spindle-assembly checkpoint complex, which delays the onset of anaphase in cells with defects in mitotic spindle assembly; forms a complex with Mad1p 788 S000003566 ORF Verified YJL029C VPS53 10 390769 388301 C Component of the GARP (Golgi-associated retrograde protein) complex, Vps51p-Vps52p-Vps53p-Vps54p, which is required for the recycling of proteins from endosomes to the late Golgi; required for vacuolar protein sorting 790 S000006661 tRNA n.a. tM(CAU)J1 EMT5 10 391031 390959 C tRNA that accepts methionine; functions in translational elongation but not translational initiation 792 S000003565 ORF Dubious YJL028W n.a. 10 391227 391562 W Hypothetical protein 794 S000003564 ORF Uncharacterized YJL027C n.a. 10 392165 391749 C Hypothetical protein 796 S000003563 ORF Verified YJL026W RNR2 10 392320 393519 W Ribonucleotide-diphosphate reductase (RNR), small subunit; the RNR complex catalyzes the rate-limiting step in dNTP synthesis and is regulated by DNA replication and DNA damage checkpoint pathways via localization of the small subunits 798 S000028660 ORF Dubious YJL026C-A n.a. 10 393203 392982 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 800 S000003562 ORF Verified YJL025W RRN7 10 393883 395427 W involved in the transcription of 35S rRNA genes by RNA polymerase I; member of yeast Pol I core factor (CF) also composed of Rrn11p, Rrn6p and TATA-binding protein 802 S000003561 ORF Verified YJL024C APS3 10 396508 395847 C Small subunit of the clathrin-associated adaptor complex AP-3, which is involved in vacuolar protein sorting; related to the sigma subunit of the mammalian clathrin AP-3 complex; suppressor of loss of casein kinase 1 function 805 S000036077 intron n.a. n.a. n.a. 10 396486 396410 C n.a. 806 S000006583 tRNA n.a. tG(GCC)J1 n.a. 10 396712 396642 C tRNA-Gly 808 S000003559 ORF Dubious YJL022W n.a. 10 398025 398333 W Hypothetical protein 810 S000003560 ORF Verified YJL023C PET130 10 398314 397271 C Protein required for respiratory growth 812 S000028659 ORF Dubious YJL020W-A n.a. 10 400897 401154 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 814 S000003557 ORF Verified YJL020C BBC1 10 402326 398853 C Protein possibly involved in assembly of actin patches; interacts with an actin assembly factor Las17p and with the SH3 domains of Type I myosins Myo3p and Myo5p; localized predominantly to cortical actin patches 816 S000003556 ORF Verified YJL019W MPS3 10 402813 404861 W Essential integral membrane protein required for spindle pole body duplication and for nuclear fusion, localizes to the spindle pole body half bridge, interacts with DnaJ-like chaperone Jem1p and with centrin homolog Cdc31p 818 S000003553 ORF Uncharacterized YJL016W n.a. 10 405504 407189 W Hypothetical protein 820 S000003552 ORF Dubious YJL015C n.a. 10 407432 407058 C Protein required for cell viability 822 S000003551 ORF Verified YJL014W CCT3 10 407473 409077 W Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo 824 S000003550 ORF Verified YJL013C MAD3 10 410955 409408 C Component of the spindle-assembly checkpoint complex, which delays the onset of anaphase in cells with defects in mitotic spindle assembly; interacts physically with the spindle checkpoint proteins Bub3p and Mad2p 826 S000003549 ORF Verified YJL012C VTC4 10 413314 411149 C Phosphate metabolism; transcription is regulated by PHO system; polyphosphate synthetase (putative) 828 S000003548 ORF Verified YJL011C RPC17 10 414685 414200 C RNA polymerase III subunit C17; physically interacts with C31, C11, and TFIIIB70; may be involved in the recruitment of pol III by the preinitiation complex 830 S000006625 tRNA n.a. tK(CUU)J n.a. 10 414881 414953 W tRNA-Lys 832 S000006773 tRNA n.a. tW(CCA)J n.a. 10 415951 415846 C tRNA-Trp 833 S000033314 intron n.a. n.a. n.a. 10 415915 415882 C n.a. 840 S000003547 ORF Uncharacterized YJL010C n.a. 10 419477 417477 C Essential nucleolar protein required for 18S rRNA synthesis 842 S000003546 ORF Dubious YJL009W n.a. 10 419770 420096 W Protein required for cell viability 844 S000003545 ORF Verified YJL008C CCT8 10 421578 419872 C Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo 848 S000006662 tRNA n.a. tM(CAU)J2 EMT3 10 422852 422924 W tRNA that accepts methionine; functions in translational elongation but not translational initiation 850 S000003544 ORF Dubious YJL007C n.a. 10 422927 422613 C Hypothetical protein 852 S000003543 ORF Verified YJL006C CTK2 10 424024 423053 C Beta subunit of C-terminal domain kinase I (CTDK-I), which phosphorylates the C-terminal repeated domain of the RNA polymerase II large subunit (Rpo21p) to affect both transcription and pre-mRNA 3' end processing; has similarity to cyclins 854 S000006650 tRNA n.a. tL(UAA)J SUP51 10 424430 424347 C tRNA-Leu 856 S000003542 ORF Verified YJL005W CYR1 10 425072 431152 W Adenylate cyclase, required for cAMP production and cAMP-dependent protein kinase signaling; involved in cell cycle control and glucose and nitrogen repression of sporulation 858 S000003541 ORF Verified YJL004C SYS1 10 432115 431504 C Integral membrane protein of the Golgi required for targeting of the Arf-like GTPase Arl3p to the Golgi; multicopy suppressor of ypt6 null mutation 860 S000003540 ORF Verified YJL003W COX16 10 432559 432915 W Mitochondrial inner membrane protein, required for assembly of cytochrome c oxidase 862 S000003539 ORF Verified YJL002C OST1 10 434566 433136 C Alpha subunit of the oligosaccharyltransferase complex of the ER lumen, which catalyzes asparagine-linked glycosylation of newly synthesized proteins 864 S000003538 ORF Verified YJL001W PRE3 10 435078 435841 W 20S proteasome beta-type subunit, responsible for cleavage after acidic residues in peptides 867 S000035911 intron n.a. n.a. n.a. 10 435143 435258 W n.a. 872 S000003761 ORF Verified YJR001W AVT1 10 436717 438525 W Vacuolar transporter, imports large neutral amino acids into the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters 874 S000003762 ORF Verified YJR002W MPP10 10 438779 440560 W Component of the SSU processome, which is required for pre-18S rRNA processing, interacts with and controls the stability of Imp3p and Imp4p, essential for viability; similar to human Mpp10p 877 S000003763 ORF Uncharacterized YJR003C n.a. 10 442527 440908 C Hypothetical protein 879 S000003764 ORF Verified YJR004C SAG1 10 444775 442823 C Alpha-agglutinin of alpha-cells, binds to Aga1p during agglutination, N-terminal half is homologous to the immunoglobulin superfamily and contains binding site for a-agglutinin, C-terminal half is highly glycosylated and contains GPI anchor 881 S000003765 ORF Verified YJR005W APL1 10 445837 447939 W Beta-adaptin, large subunit of the clathrin associated protein complex (AP-2); involved in vesicle mediated transport; similar to mammalian beta-chain of the clathrin associated protein complex 883 S000028523 ORF Uncharacterized YJR005C-A n.a. 10 448672 448391 C Identified by homology to Ashbya gossypii 885 S000003766 ORF Verified YJR006W HYS2 10 449116 450579 W DNA polymerase III (delta) 55 kDa subunit, essential for cell viability; involved in DNA replication and DNA repair 887 S000003767 ORF Verified YJR007W SUI2 10 450934 451848 W Alpha subunit of the translation initiation factor eIF2, involved in the identification of the start codon; phosphorylation of Ser51 is required for regulation of translation by inhibiting the exchange of GDP for GTP 889 S000003768 ORF Uncharacterized YJR008W n.a. 10 452344 453360 W Hypothetical protein 892 S000003769 ORF Verified YJR009C TDH2 10 454595 453597 C Glyceraldehyde-3-phosphate dehydrogenase, isozyme 2, involved in glycolysis and gluconeogenesis; tetramer that catalyzes the reaction of glyceraldehyde-3-phosphate to 1,3 bis-phosphoglycerate; detected in the cytoplasm and cell-wall 894 S000003771 ORF Verified YJR010W MET3 10 456153 457688 W ATP sulfurylase, catalyzes the primary step of intracellular sulfate activation, essential for assimilatory reduction of sulfate to sulfide, involved in methionine metabolism 896 S000003770 ORF Verified YJR010C-A SPC1 10 458275 457991 C Subunit of the signal peptidase complex (SPC), which cleaves the signal sequence from proteins targeted to the endoplasmic reticulum (ER), homolog of the SPC12 subunit of mammalian signal peptidase complex 899 S000003772 ORF Uncharacterized YJR011C n.a. 10 459340 458555 C Hypothetical protein 901 S000003774 ORF Uncharacterized YJR013W GPI14 10 460296 461507 W Glycosylphosphatidylinositol-alpha 1,4 mannosyltransferase I, involved in GPI anchor biosynthesis, requires Pbn1p for function; homolog of mammalian PIG-M 903 S000003773 ORF Dubious YJR012C n.a. 10 460332 459709 C Protein required for cell viability 905 S000003775 ORF Uncharacterized YJR014W n.a. 10 461743 462339 W Hypothetical protein 907 S000003776 ORF Uncharacterized YJR015W n.a. 10 462635 464167 W Hypothetical protein 909 S000003777 ORF Verified YJR016C ILV3 10 466122 464365 C Dihydroxyacid dehydratase, catalyzes third step in the common pathway leading to biosynthesis of branched-chain amino acids 911 S000003779 ORF Dubious YJR018W n.a. 10 466700 467062 W Hypothetical protein 913 S000003778 ORF Verified YJR017C ESS1 10 466947 466435 C Peptidylprolyl-cis/trans-isomerase (PPIase) specific for phosphorylated serine and threonine residues N-terminal to proline; regulates phosphorylation of the RNA polymerase II large subunit (Rpo21p) C-terminal domain 915 S000003781 ORF Dubious YJR020W n.a. 10 467915 468247 W Hypothetical protein 917 S000003780 ORF Verified YJR019C TES1 10 468195 467146 C Peroxisomal acyl-CoA thioesterase likely to be involved in fatty acid oxidation rather than fatty acid synthesis; conserved protein also found in human peroxisomes; TES1 mRNA levels increase during growth on fatty acids 919 S000003782 ORF Verified YJR021C REC107 10 469493 468469 C Protein involved in early stages of meiotic recombination; involved in altering chromatin structure at DNA double-stranded break sites and in coordination between the initiation of recombination and the first division of meiosis 922 S000030252 intron n.a. n.a. n.a. 10 469177 469098 C n.a. 923 S000003783 ORF Verified YJR022W LSM8 10 469698 470027 W Component of small nuclear ribonucleoprotein complexes involved in RNA processing and splicing 925 S000003784 ORF Dubious YJR023C n.a. 10 470119 469718 C Protein required for cell viability 927 S000003785 ORF Uncharacterized YJR024C n.a. 10 470878 470144 C Hypothetical protein 929 S000003786 ORF Verified YJR025C BNA1 10 471585 471052 C 3-hydroxyanthranilic acid dioxygenase, required for biosynthesis of nicotinic acid from tryptophan via kynurenine pathway 948 S000003791 ORF Uncharacterized YJR030C n.a. 10 486110 483873 C Hypothetical protein 950 S000003792 ORF Verified YJR031C GEA1 10 490726 486500 C Guanine nucleotide exchange factor for ADP ribosylation factors (ARFs), involved in vesicular transport between the Golgi and ER, Golgi organization, and actin cytoskeleton organization; similar to but not functionally redundant with Gea2p 952 S000003793 ORF Verified YJR032W CPR7 10 490995 492176 W Peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; binds to Hsp82p and contributes to chaperone activity 954 S000003794 ORF Verified YJR033C RAV1 10 496365 492292 C Subunit of the RAVE complex (Rav1p, Rav2p, Skp1p), which promotes assembly of the V-ATPase holoenzyme; required for transport between the early and late endosome/PVC and for localization of TGN membrane proteins; potential Cdc28p substrate 956 S000003795 ORF Verified YJR034W PET191 10 496597 496923 W Protein required for assembly of cytochrome c oxidase 958 S000003796 ORF Verified YJR035W RAD26 10 497269 500526 W Protein involved in transcription-coupled repair nucleotide excision repair of UV-induced DNA lesions; homolog of human CSB protein 960 S000003798 ORF Dubious YJR037W n.a. 10 503016 503399 W Hypothetical protein 962 S000003797 ORF Verified YJR036C HUL4 10 503305 500627 C Protein with similarity to hect domain E3 ubiquitin-protein ligases, not essential for viability 964 S000003800 ORF Uncharacterized YJR039W n.a. 10 503850 507215 W Hypothetical protein 966 S000003799 ORF Dubious YJR038C n.a. 10 503986 503624 C Hypothetical protein 968 S000003801 ORF Verified YJR040W GEF1 10 507660 509999 W Chloride channel localized to late- or post-Golgi vesicles, involved in iron metabolism; highly homologous to voltage-gated chloride channels in vertebrates 970 S000003802 ORF Verified YJR041C URB2 10 513677 510153 C Nucleolar protein required for normal metabolism of the rRNA primary transcript, proposed to be involved in ribosome biogenesis 972 S000003803 ORF Verified YJR042W NUP85 10 513969 516203 W Subunit of the Nup84p subcomplex of the nuclear pore complex (NPC), required for assembly of the subcomplex and also for formation of the nucleocytoplasmic Gsp1p concentration gradient that plays a role in nuclear trafficking 974 S000003804 ORF Verified YJR043C POL32 10 517427 516375 C Third subunit of DNA polymerase delta, involved in chromosomal DNA replication; required for error-prone DNA synthesis in the presence of DNA damage and processivity; interacts with Pol31p, PCNA (Pol30p), and Pol1p 976 S000006663 tRNA n.a. tM(CAU)J3 IMT3 10 517798 517727 C Initiator methionine tRNA, tRNA(IMet), one of four initiator methionine tRNA genes in yeast that are functional for translation 979 S000003805 ORF Verified YJR044C VPS55 10 519099 518677 C Late endosomal protein involved in late endosome to vacuole trafficking; functional homolog of human obesity receptor gene-related protein (OB-RGRP) 981 S000003806 ORF Verified YJR045C SSC1 10 521516 519552 C Mitochondrial matrix ATPase that is a subunit of the presequence translocase-associated protein import motor (PAM); involved in protein translocation into the matrix and protein folding; member of the heat shock protein 70 (HSP70) family 983 S000003807 ORF Verified YJR046W TAH11 10 521962 523776 W DNA replication licensing factor, required for pre-replication complex assembly 985 S000006727 tRNA n.a. tS(AGA)J n.a. 10 524007 523926 C tRNA-Ser 987 S000003808 ORF Verified YJR047C ANB1 10 525295 524822 C Translation initiation factor eIF-5A, promotes formation of the first peptide bond; similar to and functionally redundant with Hyp2p; undergoes an essential hypusination modification; expressed under anaerobic conditions 989 S000003809 ORF Verified YJR048W CYC1 10 526249 526578 W Cytochrome c, isoform 1; electron carrier of the mitochondrial intermembrane space that transfers electrons from ubiquinone-cytochrome c oxidoreductase to cytochrome c oxidase during cellular respiration 991 S000003810 ORF Verified YJR049C UTR1 10 528390 526798 C NAD kinase, active as a hexamer; enhances the activity of ferric reductase (Fre1p) 993 S000003811 ORF Verified YJR050W ISY1 10 528611 529318 W Component of the spliceosome complex involved in pre-mRNA splicing, auxiliary splicing factor that may modulate Syf1p activity and help optimize splicing; isy1 syf2 double mutation activates the spindle checkpoint, causing cell cycle arrest 995 S000003812 ORF Verified YJR051W OSM1 10 529775 531280 W Fumarate reductase, catalyzes the reduction of fumarate to succinate, required for the reoxidation of intracellular NADH under anaerobic conditions; mutations cause osmotic sensitivity 998 S000006584 tRNA n.a. tG(GCC)J2 n.a. 10 531742 531812 W tRNA-Gly 1000 S000003813 ORF Verified YJR052W RAD7 10 531976 533673 W Protein that recognizes and binds damaged DNA in an ATP-dependent manner (with Rad16p) during nucleotide excision repair; subunit of Nucleotide Excision Repair Factor 4 (NEF4) 1002 S000003814 ORF Verified YJR053W BFA1 10 533941 535665 W Component of the GTPase-activating Bfa1p-Bub2p complex involved in multiple cell cycle checkpoint pathways that control exit from mitosis 1004 S000003815 ORF Uncharacterized YJR054W n.a. 10 535970 537463 W Vacuolar protein of unknown function; potential Cdc28p substrate 1008 S000006707 tRNA n.a. tR(CCU)J HSX1 10 538469 538540 W Low abundance arginine tRNA; required for growth on nonfermentable carbon sources at high temperatures; for the synthesis of Ssc1p, a heat shock protein; and for Ty1 retrotransposition through the regulation of translational frameshifting 1010 S000003816 ORF Verified YJR055W HIT1 10 538686 539180 W Protein of unknown function, required for growth at high temperature 1015 S000006539 tRNA n.a. tD(GUC)J4 n.a. 10 541422 541493 W tRNA-Asp 1017 S000003817 ORF Uncharacterized YJR056C n.a. 10 542416 541706 C Hypothetical protein 1019 S000006782 tRNA n.a. tY(GUA)J2 SUP4 10 542958 542870 C tRNA-Tyr 1020 S000032087 intron n.a. n.a. n.a. 10 542919 542906 C n.a. 1024 S000003818 ORF Verified YJR057W CDC8 10 543976 544626 W Thymidylate and uridylate kinase, functions in de novo biosynthesis of pyrimidine deoxyribonucleotides; converts dTMP to dTDP and dUMP to dUTP; essential for mitotic and meiotic DNA replication; homologous to S. pombe Tmp1p 1026 S000003819 ORF Verified YJR058C APS2 10 545089 544646 C Small subunit of the clathrin-associated adaptor complex AP-2, which is involved in protein sorting at the plasma membrane; related to the sigma subunit of the mammalian plasma membrane clathrin-associated protein (AP-2) complex 1028 S000003820 ORF Verified YJR059W PTK2 10 545701 548157 W Putative serine/threonine protein kinase involved in regulation of ion transport across plasma membrane; enhances spermine uptake 1030 S000003821 ORF Verified YJR060W CBF1 10 548673 549728 W Helix-loop-helix protein that binds the motif CACRTG, which is present at several sites including MET gene promoters and centromere DNA element I (CDEI); required for nucleosome positioning at this motif; targets Isw1p to DNA 1032 S000003822 ORF Uncharacterized YJR061W n.a. 10 550425 553232 W Hypothetical protein 1034 S000003823 ORF Verified YJR062C NTA1 10 554763 553390 C Amidase, removes the amide group from N-terminal asparagine and glutamine residues to generate proteins with N-terminal aspartate and glutamate residues that are targets of ubiquitin-mediated degradation 1036 S000003824 ORF Verified YJR063W RPA12 10 555109 555486 W RNA polymerase I subunit A12.2; contains two zinc binding domains, and the N terminal domain is responsible for anchoring to the RNA pol I complex 1038 S000003825 ORF Verified YJR064W CCT5 10 555828 557516 W Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo 1040 S000003826 ORF Verified YJR065C ARP3 10 559072 557723 C Essential component of the Arp2/3 complex, which is a highly conserved actin nucleation center required for the motility and integrity of actin patches; involved in endocytosis and membrane growth and polarity 1042 S000003827 ORF Verified YJR066W TOR1 10 559330 566742 W PIK-related protein kinase and rapamycin target; subunit of TORC1, a complex that controls growth in response to nutrients by regulating translation, transcription, ribosome biogenesis, nutrient transport and autophagy; involved in meiosis 1044 S000003828 ORF Verified YJR067C YAE1 10 567358 566933 C Essential protein of unknown function 1046 S000003829 ORF Verified YJR068W RFC2 10 567557 568618 W Subunit of heteropentameric Replication factor C (RF-C), which is a DNA binding protein and ATPase that acts as a clamp loader of the proliferating cell nuclear antigen (PCNA) processivity factor for DNA polymerases delta and epsilon 1048 S000003830 ORF Verified YJR069C HAM1 10 569313 568720 C Protein of unknown function that is involved in DNA repair; mutant is sensitive to the base analog, 6-N-hydroxylaminopurine, while gene disruption does not increase the rate of spontaneous mutagenesis 1050 S000003832 ORF Dubious YJR071W n.a. 10 570319 570687 W Hypothetical protein 1052 S000003831 ORF Verified YJR070C LIA1 10 570512 569535 C Protein with a possible role in microtubule function; complements S. pombe mmd1 mutation affecting mitochondrial distribution although not required for this process in S. cerevisiae; binds to Hyp2p (eIF5A); contains HEAT-like repeats 1054 S000003833 ORF Verified YJR072C NPA3 10 572038 570881 C Cytoplasmic protein required for cell viability, identified by association with pre-ribosomal particles 1056 S000003834 ORF Verified YJR073C OPI3 10 572849 572229 C Phospholipid methyltransferase (methylene-fatty-acyl-phospholipid synthase), catalyzes the last two steps in phosphatidylcholine biosynthesis 1058 S000003835 ORF Verified YJR074W MOG1 10 573009 573665 W Conserved nuclear protein that interacts with GTP-Gsp1p, which is a Ran homolog of the Ras GTPase family, and stimulates nucleotide release, involved in nuclear protein import, nucleotide release is inhibited by Yrb1p 1060 S000003836 ORF Verified YJR075W HOC1 10 573895 575085 W Alpha-1,6-mannosyltransferase involved in cell wall mannan biosynthesis; subunit of a Golgi-localized complex that also contains Anp1p, Mnn9p, Mnn11p, and Mnn10p; identified as a suppressor of a cell lysis sensitive pkc1-371 allele 1062 S000003837 ORF Verified YJR076C CDC11 10 576515 575268 C Component of the septin ring of the mother-bud neck that is required for cytokinesis; septins recruit proteins to the neck and can act as a barrier to diffusion at the membrane, and they comprise the 10nm filaments seen with EM 1064 S000003838 ORF Verified YJR077C MIR1 10 578104 577169 C Mitochondrial phosphate carrier, imports inorganic phosphate into mitochondria; functionally redundant with Pic2p but more abundant than Pic2 under normal conditions 1066 S000003839 ORF Verified YJR078W BNA2 10 578774 580135 W Tryptophan 2,3-dioxygenase, required for biosynthesis of nicotinic acid from tryptophan via kynurenine pathway 1068 S000003840 ORF Uncharacterized YJR079W n.a. 10 580119 581153 W Hypothetical protein 1071 S000036626 intron n.a. n.a. n.a. 10 580262 580966 W n.a. 1072 S000003841 ORF Uncharacterized YJR080C n.a. 10 581530 580346 C The authentic, non-tagged protein was localized to the mitochondria 1074 S000003842 ORF Uncharacterized YJR082C EAF6 10 582169 581828 C Esa1p-associated factor, subunit of the NuA4 acetyltransferase complex 1076 S000003843 ORF Uncharacterized YJR083C ACF4 10 583451 582522 C Protein of unknown function, computational analysis of large-scale protein-protein interaction data suggests a possible role in actin cytoskeleton organization; potential Cdc28p substrate 1078 S000003844 ORF Verified YJR084W CSN12 10 583647 584918 W Subunit of the Cop9 signalosome, which is required for deneddylation, or removal of the ubiquitin-like protein Rub1p from Cdc53p (cullin); involved in adaptation to pheromone signaling 1080 S000003845 ORF Uncharacterized YJR085C n.a. 10 585351 585034 C Hypothetical protein 1082 S000003846 ORF Verified YJR086W STE18 10 585982 586314 W G protein gamma subunit, forms a dimer with Ste4p to activate the mating signaling pathway, forms a heterotrimer with Gpa1p and Ste4p to dampen signaling; C-terminus is palmitoylated and farnesylated, which are required for normal signaling 1084 S000003847 ORF Dubious YJR087W n.a. 10 586314 586664 W Hypothetical protein 1086 S000003848 ORF Uncharacterized YJR088C n.a. 10 587287 586409 C Hypothetical protein 1088 S000003849 ORF Verified YJR089W BIR1 10 587632 590496 W Protein involved in cell cycle regulation and chromosome segregation, contains BIR (Baculovirus Inhibitor of apoptosis Repeat) domain 1090 S000003850 ORF Verified YJR090C GRR1 10 594241 590786 C F-box protein component of the SCF ubiquitin-ligase complex, required for Cln1p and Cln2p degradation; involved in carbon catabolite repression, glucose-dependent divalent cation transport, high-affinity glucose transport, and morphogenesis 1092 S000003851 ORF Verified YJR091C JSN1 10 598250 594975 C Member of the Puf family of RNA-binding proteins, interacts with mRNAs encoding membrane-associated proteins; overexpression suppresses a tub2-150 mutation and causes increased sensitivity to benomyl in wild-type cells 1094 S000003852 ORF Verified YJR092W BUD4 10 598649 602995 W Protein involved in bud-site selection and required for axial budding pattern; localizes with septins to bud neck in mitosis and may constitute an axial landmark for next round of budding; potential Cdc28p substrate 1096 S000003853 ORF Verified YJR093C FIP1 10 604120 603137 C Subunit of cleavage polyadenylation factor (CPF), interacts directly with poly(A) polymerase (Pap1p) to regulate its activity 1098 S000003854 ORF Verified YJR094C IME1 10 605568 604486 C Master regulator of meiosis that is active only during meiotic events, activates transcription of early meiotic genes through interaction with Ume6p, degraded by the 26S proteasome following phosphorylation by Ime2p 1100 S000003855 ORF Verified YJR094W-A RPL43B 10 608222 608775 W Protein component of the large (60S) ribosomal subunit, identical to Rpl43Ap and has similarity to rat L37a ribosomal protein 1103 S000034759 intron n.a. n.a. n.a. 10 608224 608498 W n.a. 1104 S000003856 ORF Verified YJR095W SFC1 10 609690 610658 W Mitochondrial succinate-fumarate transporter, transports succinate into and fumarate out of the mitochondrion; required for ethanol and acetate utilization 1106 S000003857 ORF Uncharacterized YJR096W n.a. 10 611112 611960 W Protein with similarity to aldo-keto reductases 1108 S000003858 ORF Verified YJR097W JJJ3 10 612330 612848 W Protein of unknown function, contains a J-domain, which is a region with homology to the E. coli DnaJ protein 1111 S000003859 ORF Uncharacterized YJR098C n.a. 10 615070 613103 C Hypothetical protein 1113 S000003860 ORF Verified YJR099W YUH1 10 615490 616200 W Ubiquitin C-terminal hydrolase that cleaves ubiquitin-protein fusions to generate monomeric ubiquitin; hydrolyzes the peptide bond at the C-terminus of ubiquitin; also the major processing enzyme for the ubiquitin-like protein Rub1p 1115 S000003861 ORF Uncharacterized YJR100C n.a. 10 617248 616265 C Hypothetical protein 1117 S000006654 tRNA n.a. tL(UAG)J n.a. 10 617833 617933 W tRNA-Leu 1118 S000035855 intron n.a. n.a. n.a. 10 617871 617889 W n.a. 1121 S000003862 ORF Verified YJR101W RSM26 10 618148 618948 W Mitochondrial ribosomal protein of the small subunit 1123 S000003863 ORF Verified YJR102C VPS25 10 619679 619071 C Component of the ESCRT-II complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome 1125 S000003864 ORF Verified YJR103W URA8 10 620668 622362 W Minor CTP synthase isozyme (see also URA7), catalyzes the ATP-dependent transfer of the amide nitrogen from glutamine to UTP, forming CTP, the final step in de novo biosynthesis of pyrimidines; involved in phospholipid biosynthesis 1127 S000003865 ORF Verified YJR104C SOD1 10 622927 622463 C Cu, Zn superoxide dismutase; some mutations are analogous to those that cause ALS (amyotrophic lateral sclerosis) in humans 1129 S000003866 ORF Verified YJR105W ADO1 10 623494 624516 W Adenosine kinase, required for the utilization of S-adenosylmethionine (AdoMet); may be involved in recycling adenosine produced through the methyl cycle 1131 S000003867 ORF Verified YJR106W ECM27 10 624751 626928 W Non-essential protein of unknown function 1133 S000003868 ORF Uncharacterized YJR107W n.a. 10 627254 628240 W Hypothetical protein 1135 S000003869 ORF Uncharacterized YJR108W ABM1 10 628627 628998 W Protein of unknown function, required for normal microtubule organization 1137 S000003870 ORF Verified YJR109C CPA2 10 632856 629500 C Large subunit of carbamoyl phosphate synthetase, which catalyzes a step in the synthesis of citrulline, an arginine precursor 1139 S000003871 ORF Verified YJR110W YMR1 10 633530 635596 W Phosphatidylinositol 3-phosphate [PI(3)P] phosphatase, regulates the localization and levels of PI(3)P; involved in cytoplasm to vacuole (CVT) transport; has similarity to the conserved myotubularin dual specificity phosphatase family 1141 S000003872 ORF Uncharacterized YJR111C n.a. 10 636621 635770 C Hypothetical protein 1143 S000003873 ORF Verified YJR112W NNF1 10 636945 637550 W Essential component of the MIND kinetochore complex (Mtw1p Including Nnf1p-Nsl1p-Dsn1p) which joins kinetochore subunits contacting DNA to those contacting microtubules; required for accurate chromosome segregation 1145 S000028513 ORF Uncharacterized YJR112W-A n.a. 10 637705 638083 W Identified based on homology to Ashbya gossypii 1148 S000030279 intron n.a. n.a. n.a. 10 637725 637773 W n.a. 1149 S000003875 ORF Uncharacterized YJR114W n.a. 10 638574 638966 W Protein that may be involved in survival during stationary phase, substrate for the N-myristoyltransferase Nmt1p 1151 S000003874 ORF Verified YJR113C RSM7 10 638890 638147 C Mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S7 ribosomal protein 1153 S000003876 ORF Uncharacterized YJR115W n.a. 10 639857 640366 W Hypothetical protein 1155 S000003877 ORF Uncharacterized YJR116W n.a. 10 640740 641579 W Hypothetical protein 1157 S000003878 ORF Verified YJR117W STE24 10 641922 643283 W Highly conserved zinc metalloprotease that functions in two steps of a-factor maturation, C-terminal CAAX proteolysis and the first step of N-terminal proteolytic processing; contains multiple transmembrane spans 1159 S000003879 ORF Verified YJR118C ILM1 10 644016 643405 C Protein of unknown function; may be involved in mitochondrial DNA maintenance; required for slowed DNA synthesis-induced filamentous growth 1161 S000003880 ORF Uncharacterized YJR119C n.a. 10 646405 644219 C Hypothetical protein 1163 S000003881 ORF Uncharacterized YJR120W n.a. 10 647041 647391 W Hypothetical protein 1165 S000003882 ORF Verified YJR121W ATP2 10 647522 649057 W Beta subunit of the F1 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 1167 S000003883 ORF Verified YJR122W CAF17 10 649691 651184 W Mitochondrial protein that interacts with Ccr4p in the two-hybrid system; 3'-untranslated region contains a putative mRNA localization element common to genes encoding mitochondrial proteins 1169 S000003884 ORF Verified YJR123W RPS5 10 651816 652493 W Protein component of the small (40S) ribosomal subunit, the least basic of the non-acidic ribosomal proteins; phosphorylated in vivo; essential for viability; has similarity to E. coli S7 and rat S5 ribosomal proteins 1172 S000003885 ORF Uncharacterized YJR124C n.a. 10 654153 652807 C Hypothetical protein 1174 S000003886 ORF Verified YJR125C ENT3 10 655878 654652 C Protein containing an N-terminal epsin-like domain involved in clathrin recruitment and traffic between the Golgi and endosomes; associates with the clathrin adaptor Gga2p 1176 S000003887 ORF Verified YJR126C VPS70 10 658604 656169 C Protein of unknown function involved in vacuolar protein sorting 1178 S000003889 ORF Dubious YJR128W n.a. 10 662836 663195 W Hypothetical protein 1180 S000003888 ORF Verified YJR127C ZMS1 10 662974 658832 C Zinc-finger protein that localizes to the nucleus, putative transcriptional regulator of ALD6 1182 S000006492 snoRNA n.a. snR3 SNR3 10 663663 663857 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at positions 2128, 2132, and 2263 1184 S000003890 ORF Uncharacterized YJR129C n.a. 10 664934 663915 C Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 1186 S000003891 ORF Verified YJR130C STR2 10 667052 665133 C Cystathionine gamma-synthase, converts cysteine into cystathionine 1188 S000003892 ORF Verified YJR131W MNS1 10 667559 669208 W Alpha-1,2-mannosidase involved in N-linked oligosaccharide biosynthesis; catalyzes the removal of one mannose residue from Man9GlcNAc to produce a single isomer of Man8GlcNAc; integral to the ER membrane 1190 S000003893 ORF Verified YJR132W NMD5 10 669437 672583 W Karyopherin, a carrier protein involved in nuclear import of proteins; importin beta homolog 1192 S000003894 ORF Verified YJR133W XPT1 10 672906 673535 W Xanthine-guanine phosphoribosyl transferase, required for xanthine utilization and for optimal utilization of guanine 1194 S000003895 ORF Verified YJR134C SGM1 10 675767 673644 C Protein of unknown function, required for wild-type growth rate on galactose and mannose; localizes to COPI coated vesicles and the Golgi apparatus 1196 S000003896 ORF Verified YJR135C MCM22 10 676693 675974 C Protein involved in minichromosome maintenance; component of the kinetochore; binds to centromeric DNA in a Ctf19p-dependent manner 1198 S000007348 ORF Verified YJR135W-A TIM8 10 676886 677149 W Mitochondrial intermembrane space protein mediating import and insertion of polytopic inner membrane proteins; homolog of human DDP1 (deafness dystonia peptide 1) which is mutated in the X-linked Mohr-Tranebjaerg syndrome 1200 S000003897 ORF Uncharacterized YJR136C n.a. 10 678621 677356 C Hypothetical protein 1202 S000003898 ORF Verified YJR137C ECM17 10 683200 678872 C Sulfite reductase beta subunit, involved in amino acid biosynthesis, transcription repressed by methionine 1205 S000003899 ORF Verified YJR138W IML1 10 684482 689236 W Protein of unknown function, green fluorescent protein (GFP)-fusion protein localizes to the vacuolar membrane 1207 S000003900 ORF Verified YJR139C HOM6 10 690439 689360 C Homoserine dehydrogenase (L-homoserine:NADP oxidoreductase), dimeric enzyme that catalyzes the third step in the common pathway for methionine and threonine biosynthesis; enzyme has nucleotide-binding, dimerization and catalytic regions 1209 S000028666 ORF Dubious YJR140W-A n.a. 10 690876 691025 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 1211 S000003901 ORF Verified YJR140C HIR3 10 695611 690665 C Transcriptional corepressor involved in the cell cycle-regulated transcription of histone genes HTA1, HTB1, HHT1, and HHT2; involved in position-dependent gene silencing and nucleosome reassembly 1213 S000003902 ORF Uncharacterized YJR141W n.a. 10 695821 696864 W Protein required for cell viability 1215 S000003903 ORF Uncharacterized YJR142W n.a. 10 697056 698084 W Hypothetical protein 1217 S000003904 ORF Verified YJR143C PMT4 10 700529 698241 C Protein O-mannosyltransferase, transfers mannose residues from dolichyl phosphate-D-mannose to protein serine/threonine residues; appears to form homodimers in vivo and does not complex with other Pmt proteins; target for new antifungals 1219 S000003905 ORF Verified YJR144W MGM101 10 700797 701606 W Protein involved in mitochondrial genome maintenance; component of the mitochondrial nucleoid, required for the repair of oxidative mtDNA damage 1221 S000003906 ORF Verified YJR145C RPS4A 10 702983 701942 C Protein component of the small (40S) ribosomal subunit; mutation affects 20S pre-rRNA processing; identical to Rps4Bp and has similarity to rat S4 ribosomal protein 1224 S000034117 intron n.a. n.a. n.a. 10 702969 702714 C n.a. 1225 S000003907 ORF Dubious YJR146W n.a. 10 703800 704153 W Hypothetical protein 1227 S000003908 ORF Verified YJR147W HMS2 10 704111 705187 W Protein with similarity to heat shock transcription factors; overexpression suppresses the pseudohyphal filamentation defect of a diploid mep1 mep2 homozygous null mutant 1229 S000003909 ORF Verified YJR148W BAT2 10 705659 706789 W Cytosolic branched-chain amino acid aminotransferase, homolog of murine ECA39; highly expressed during stationary phase and repressed during logarithmic phase 1231 S000003910 ORF Uncharacterized YJR149W n.a. 10 707075 708289 W Hypothetical protein 1233 S000003911 ORF Verified YJR150C DAN1 10 709622 708726 C Cell wall mannoprotein with similarity to Tir1p, Tir2p, Tir3p, and Tir4p; expressed under anaerobic conditions, completely repressed during aerobic growth 1236 S000003912 ORF Verified YJR151C DAN4 10 715655 712170 C Cell wall mannoprotein with similarity to Tir1p, Tir2p, Tir3p, and Tir4p; expressed under anaerobic conditions, completely repressed during aerobic growth 1238 S000028557 ORF Uncharacterized YJR151W-A n.a. 10 717495 717545 W Identified by fungal homology and RT-PCR 1240 S000003913 ORF Verified YJR152W DAL5 10 719581 721212 W Allantoin permease; ureidosuccinate permease; expression is constitutive but sensitive to nitrogen catabolite repression 1242 S000003914 ORF Verified YJR153W PGU1 10 722730 723815 W Endo-polygalacturonase, pectolytic enzyme that hydrolyzes the alpha-1,4-glycosidic bonds in the rhamnogalacturonan chains in pectins 1244 S000003915 ORF Uncharacterized YJR154W n.a. 10 725699 726739 W Hypothetical protein 1246 S000003916 ORF Verified YJR155W AAD10 10 727320 728186 W Putative aryl-alcohol dehydrogenase with similarity to P. chrysosporium aryl-alcohol dehydrogenase; mutational analysis has not yet revealed a physiological role 1248 S000003917 ORF Verified YJR156C THI11 10 729511 728489 C Protein involved in synthesis of the thiamine precursor hydroxymethylpyrimidine (HMP); member of a subtelomeric gene family including THI5, THI11, THI12, and THI13 1251 S000003918 ORF Dubious YJR157W n.a. 10 730430 730792 W Hypothetical protein 1253 S000003919 ORF Verified YJR158W HXT16 10 732355 734058 W Protein of unknown function with similarity to hexose transporter family members, expression is repressed by high levels of glucose 1255 S000003920 ORF Verified YJR159W SOR1 10 735959 737032 W Sorbitol dehydrogenase; expression is induced in the presence of sorbitol 1258 S000003921 ORF Verified YJR160C MPH3 10 739731 737923 C Alpha-glucoside permease, transports maltose, maltotriose, alpha-methylglucoside, and turanose; identical to Mph2p; encoded in a subtelomeric position in a region likely to have undergone duplication 1260 S000003922 ORF Verified YJR161C COS5 10 743914 742763 C Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 1267 S000003923 ORF Dubious YJR162C n.a. 10 745176 744826 C Hypothetical protein 1274 S000001708 ORF Dubious YKL225W n.a. 11 452 799 W Hypothetical protein 1279 S000001707 ORF Uncharacterized YKL224C n.a. 11 2182 1811 C Hypothetical protein 1281 S000001706 ORF Dubious YKL223W n.a. 11 2390 2722 W Hypothetical protein 1283 S000001705 ORF Uncharacterized YKL222C n.a. 11 5621 3504 C Hypothetical protein 1285 S000001704 ORF Verified YKL221W MCH2 11 6108 7529 W Protein with similarity to mammalian monocarboxylate permeases, which are involved in transport of monocarboxylic acids across the plasma membrane; mutant is not deficient in monocarboxylate transport 1287 S000001703 ORF Verified YKL220C FRE2 11 11227 9092 C Ferric reductase and cupric reductase, reduces siderophore-bound iron and oxidized copper prior to uptake by transporters; expression induced by low iron levels but not by low copper levels 1289 S000001702 ORF Verified YKL219W COS9 11 14485 15708 W Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 1291 S000001701 ORF Verified YKL218C SRY1 11 18339 17359 C 3-hydroxyaspartate dehydratase, deaminates L-threo-3-hydroxyaspartate to form oxaloacetate and ammonia; required for survival in the presence of hydroxyaspartate 1293 S000001700 ORF Verified YKL217W JEN1 11 22234 24084 W Lactate transporter, required for uptake of lactate and pyruvate; expression is derepressed by transcriptional activator Cat8p under nonfermentative growth conditions, and repressed in the presence of glucose, fructose, and mannose 1295 S000001699 ORF Verified YKL216W URA1 11 25216 26160 W Dihydroorotate dehydrogenase, catalyzes the fourth enzymatic step in the de novo biosynthesis of pyrimidines, converting dihydroorotic acid into orotic acid 1297 S000001698 ORF Uncharacterized YKL215C n.a. 11 30688 26828 C Hypothetical protein 1299 S000001697 ORF Verified YKL214C YRA2 11 31694 31083 C Member of the REF (RNA and export factor binding proteins) family; when overexpressed, can substitute for the function of Yra1p in export of poly(A)+ mRNA from the nucleus 1301 S000001696 ORF Verified YKL213C DOA1 11 34108 31961 C WD repeat protein required for ubiquitin-mediated protein degradation, forms complex with Cdc48p, plays a role in controlling cellular ubiquitin concentration; also promotes efficient NHEJ in postdiauxic/stationary phase 1303 S000001695 ORF Verified YKL212W SAC1 11 34544 36415 W Lipid phosphoinositide phosphatase of the ER and Golgi, involved in protein trafficking and secretion 1305 S000001694 ORF Verified YKL211C TRP3 11 38154 36700 C Bifunctional enzyme exhibiting both indole-3-glycerol-phosphate synthase and anthranilate synthase activities, forms multifunctional hetero-oligomeric anthranilate synthase:indole-3-glycerol phosphate synthase enzyme complex with Trp2p 1307 S000006455 snoRNA n.a. snR64 SNR64 11 38812 38912 W guides 2'-O-methylation on large subunit rRNA at C2335; small nucleolar RNA snR64 1309 S000001693 ORF Verified YKL210W UBA1 11 39164 42238 W Ubiquitin activating enzyme, involved in ubiquitin-mediated protein degradation and essential for viability 1311 S000001692 ORF Verified YKL209C STE6 11 46296 42424 C ATP-binding cassette (ABC) transporter required for the export of a-factor, catalyzes ATP hydrolysis coupled to a-factor transport, contains 12 transmembrane domains and two ATP binding domains, expressed only in MATa cells 1313 S000006748 tRNA n.a. tT(CGU)K TRT2 11 46807 46736 C tRNA threonine 2; tRNA-Thr 1315 S000001691 ORF Verified YKL208W CBT1 11 47158 47973 W Subunit of complex involved in processing of the 3' end of cytochrome b pre-mRNA; involved in RNA splicing 1317 S000001690 ORF Uncharacterized YKL207W n.a. 11 48108 48956 W Hypothetical protein 1319 S000001689 ORF Uncharacterized YKL206C n.a. 11 49810 49007 C Hypothetical protein 1321 S000001688 ORF Verified YKL205W LOS1 11 50052 53354 W Nuclear pore protein involved in nuclear export of pre-tRNA 1323 S000001687 ORF Verified YKL204W EAP1 11 53705 55603 W eIF4E-associated protein, binds eIF4E and inhibits cap-dependent translation, also functions independently of eIF4E to maintain genetic stability; plays a role in cell growth, implicated in the TOR signaling cascade 1325 S000001686 ORF Verified YKL203C TOR2 11 63360 55936 C PIK-related protein kinase and rapamycin target; subunit of TORC1, a complex that regulates growth in response to nutrients and TORC2, a complex that regulates cell-cycle dependent polarization of the actin cytoskeleton; involved in meiosis 1327 S000001685 ORF Dubious YKL202W n.a. 11 63822 64403 W Hypothetical protein 1329 S000001684 ORF Verified YKL201C MNN4 11 67467 63931 C Putative positive regulator of mannosylphosphate transferase (Mnn6p), involved in mannosylphosphorylation of N-linked oligosaccharides; expression increases in late-logarithmic and stationary growth phases 1331 S000001681 ORF Verified YKL198C PTK1 11 70223 68274 C Putative serine/threonine protein kinase that regulates spermine uptake; involved in polyamine transport; possible mitochondrial protein 1333 S000001680 ORF Verified YKL197C PEX1 11 73870 70739 C AAA-family ATPase peroxin required for peroxisome biogenesis, contains two 230 amino acid ATP-binding AAA cassettes, upregulated in anaerobiosis; Pex1p and Pex6p interact via their N-terminal AAA-cassettes 1336 S000006671 tRNA n.a. tN(GUU)K n.a. 11 74629 74702 W tRNA-Asn 1338 S000001679 ORF Verified YKL196C YKT6 11 75539 74937 C v-SNARE (synaptobrevin) essential for endoplasmic reticulum-Golgi transport; has similarity to Sec22p, Snc1p, and Snc2p 1340 S000001678 ORF Verified YKL195W MIA40 11 75826 77037 W Essential protein of the mitochondrial intermembrane space, involved in import and assembly of intermembrane space proteins 1342 S000001677 ORF Verified YKL194C MST1 11 78651 77263 C Mitochondrial threonyl-tRNA synthetase 1344 S000001676 ORF Verified YKL193C SDS22 11 79887 78871 C Conserved nuclear regulatory subunit of Glc7p type 1 protein serine-threonine phosphatase (PP1), functions positively with Glc7p to promote dephosphorylation of nuclear substrates required for chromosome transmission during mitosis 1346 S000001675 ORF Verified YKL192C ACP1 11 80542 80165 C Mitochondrial matrix acyl carrier protein, involved in biosynthesis of octanoate, which is a precursor to lipoic acid; activated by phosphopantetheinylation catalyzed by Ppt2p 1348 S000001674 ORF Verified YKL191W DPH2 11 81040 82644 W Protein required, along with Dph1p, Kti11p, Jjj3p, and Dph5p, for synthesis of diphthamide, which is a modified histidine residue of translation elongation factor 2 (Eft1p or Eft2p); may act in a complex with Dph1p and Kti11p 1350 S000001673 ORF Verified YKL190W CNB1 11 82952 83555 W Calcineurin B; the regulatory subunit of calcineurin, a Ca++/calmodulin-regulated protein phosphatase which regulates Crz1p (a stress-response transcription factor), the other calcineurin subunit is encoded by CNA1 and/or CMP1 1353 S000029991 intron n.a. n.a. n.a. 11 83004 83079 W n.a. 1355 S000006651 tRNA n.a. tL(UAA)K n.a. 11 84213 84296 W tRNA-Leu 1357 S000001672 ORF Verified YKL189W HYM1 11 84709 85908 W Component of the RAM signaling network that is involved in regulation of Ace2p activity and cellular morphogenesis, interacts with Kic1p and Sog2p, localizes to sites of polarized growth during budding and during the mating response 1359 S000001671 ORF Verified YKL188C PXA2 11 88791 86230 C Subunit of a heterodimeric peroxisomal ATP-binding cassette transporter complex (Pxa1p-Pxa2p), required for import of long-chain fatty acids into peroxisomes; similarity to human adrenoleukodystrophy transporter and ALD-related proteins 1361 S000001670 ORF Uncharacterized YKL187C n.a. 11 91541 89289 C Hypothetical protein 1363 S000001669 ORF Verified YKL186C MTR2 11 93303 92749 C mRNA transport regulator, essential nuclear protein; Mex67p and Mtr2p form a mRNA export complex which binds to RNA 1365 S000001668 ORF Verified YKL185W ASH1 11 94504 96270 W Zinc-finger inhibitor of HO transcription; mRNA is localized and translated in the distal tip of anaphase cells, resulting in accumulation of Ash1p in daughter cell nuclei and inhibition of HO expression; potential Cdc28p substrate 1367 S000001667 ORF Verified YKL184W SPE1 11 96762 98162 W Ornithine decarboxylase, catalyzes the first step in polyamine biosynthesis; degraded in a proteasome-dependent manner in the presence of excess polyamines 1369 S000028558 ORF Uncharacterized YKL183C-A n.a. 11 98612 98400 C Identified by fungal homology and RT-PCR 1371 S000001666 ORF Verified YKL183W LOT5 11 98726 99646 W Protein of unknown function; gene expression increases in cultures shifted to a lower temperature 1373 S000001665 ORF Verified YKL182W FAS1 11 100676 106831 W Beta subunit of fatty acid synthetase, which catalyzes the synthesis of long-chain saturated fatty acids; contains acetyltransacylase, dehydratase, enoyl reductase, malonyl transacylase, and palmitoyl transacylase activities 1375 S000001664 ORF Verified YKL181W PRS1 11 107321 108604 W 5-phospho-ribosyl-1(alpha)-pyrophosphate synthetase, involved in nucleotide, histidine, and tryptophan biosynthesis; one of five related enzymes, which are active as heteromultimeric complexes 1377 S000001663 ORF Verified YKL180W RPL17A 11 109274 110134 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl17Bp and has similarity to E. coli L22 and rat L17 ribosomal proteins; copurifies with the components of the outer kinetochore DASH complex 1380 S000036150 intron n.a. n.a. n.a. 11 109583 109888 W n.a. 1381 S000001662 ORF Verified YKL179C COY1 11 112508 110469 C Golgi membrane protein with similarity to mammalian CASP; genetic interactions with GOS1 (encoding a Golgi snare protein) suggest a role in Golgi function 1383 S000001660 ORF Dubious YKL177W n.a. 11 114361 114699 W Hypothetical protein 1385 S000001661 ORF Verified YKL178C STE3 11 114632 113220 C Receptor for a factor receptor, transcribed in alpha cells and required for mating by alpha cells, couples to MAP kinase cascade to mediate pheromone response; ligand bound receptors are endocytosed and recycled to the plasma membrane; GPCR 1387 S000001659 ORF Verified YKL176C LST4 11 117991 115505 C Protein possibly involved in a post-Golgi secretory pathway; required for the transport of nitrogen-regulated amino acid permease Gap1p from the Golgi to the cell surface 1389 S000001658 ORF Verified YKL175W ZRT3 11 118798 120309 W Vacuolar membrane zinc transporter, transports zinc from storage in the vacuole to the cytoplasm when needed; transcription is induced under conditions of zinc deficiency 1391 S000001657 ORF Verified YKL174C TPO5 11 122241 120385 C Protein involved in excretion of putrescine and spermidine; putative polyamine transporter in the Golgi or post-Golgi vesicles 1393 S000001656 ORF Verified YKL173W SNU114 11 122522 125548 W involved in splicing; U5 snRNP-specific protein related to EF-2 1395 S000001655 ORF Verified YKL172W EBP2 11 125764 127047 W Essential protein required for the maturation of 25S rRNA and 60S ribosomal subunit assembly, localizes to the nucleolus; constituent of 66S pre-ribosomal particles 1397 S000001654 ORF Uncharacterized YKL171W n.a. 11 127480 130266 W Hypothetical protein 1399 S000001653 ORF Verified YKL170W MRPL38 11 130639 131055 W Mitochondrial ribosomal protein of the large subunit; appears as two protein spots (YmL34 and YmL38) on two-dimensional SDS gels 1401 S000001652 ORF Dubious YKL169C n.a. 11 131073 130690 C Hypothetical protein 1403 S000001651 ORF Verified YKL168C KKQ8 11 133497 131293 C Putative serine/threonine protein kinase with unknown cellular role 1405 S000001650 ORF Verified YKL167C MRP49 11 134139 133726 C Mitochondrial ribosomal protein of the large subunit, not essential for mitochondrial translation 1407 S000001649 ORF Verified YKL166C TPK3 11 135710 134514 C Subunit of cytoplasmic cAMP-dependent protein kinase, which contains redundant catalytic subunits Tpk1p, Tpk2p, and Tpk3p and regulatory subunit Bcy1p; promotes vegetative growth in response to nutrients; inhibits filamentous growth 1409 S000007617 ORF Dubious YKL165C-A n.a. 11 136028 135795 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 1411 S000001648 ORF Verified YKL165C MCD4 11 140696 137937 C Protein involved in glycosylphosphatidylinositol (GPI) anchor synthesis; multimembrane-spanning protein that localizes to the endoplasmic reticulum; highly conserved among eukaryotes 1413 S000006558 tRNA n.a. tE(UUC)K n.a. 11 141094 141023 C tRNA-Glu 1415 S000001647 ORF Verified YKL164C PIR1 11 142824 141799 C O-glycosylated protein required for cell wall stability; attached to the cell wall via beta-1,3-glucan; mediates mitochondrial translocation of Apn1p; expression regulated by the cell integrity pathway and by Swi5p during the cell cycle 1417 S000001646 ORF Verified YKL163W PIR3 11 144406 145383 W O-glycosylated covalently-bound cell wall protein required for cell wall stability; expression is cell cycle regulated, peaking in M/G1 and also subject to regulation by the cell integrity pathway 1419 S000007244 ORF Dubious YKL162C-A n.a. 11 146079 145927 C Similar to PIR1, PIR2 and PIR3 proteins 1421 S000001645 ORF Uncharacterized YKL162C n.a. 11 148843 147635 C Hypothetical protein 1423 S000001644 ORF Verified YKL161C n.a. 11 150692 149391 C Mpk1-like protein kinase; associates with Rlm1p 1425 S000001643 ORF Uncharacterized YKL160W ELF1 11 153274 153711 W Protein of unknown function; deletion inhibits Brome mosaic virus expression 1427 S000001642 ORF Verified YKL159C RCN1 11 154456 153821 C Protein involved in calcineurin regulation during calcium signaling; has similarity to H. sapiens DSCR1 which is found in the Down Syndrome candidate region 1429 S000001640 ORF Verified YKL157W APE2 11 154996 158186 W Zinc-dependent metallopeptidase yscII, may have a role in obtaining leucine from dipeptide substrates; sequence coordinates have changed since RT-PCR analysis showed that the adjacent ORF YKL158W comprises the 5' exon of APE2/YKL157W 1432 S000033811 intron n.a. n.a. n.a. 11 155277 155659 W n.a. 1433 S000001639 ORF Verified YKL156W RPS27A 11 158619 159217 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps27Bp and has similarity to rat S27 ribosomal protein 1436 S000033666 intron n.a. n.a. n.a. 11 158622 158971 W n.a. 1437 S000028668 ORF Dubious YKL156C-A n.a. 11 159096 158980 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 1439 S000001638 ORF Verified YKL155C RSM22 11 161347 159461 C Mitochondrial ribosomal protein of the small subunit 1441 S000001637 ORF Verified YKL154W SRP102 11 161606 162340 W Signal recognition particle (SRP) receptor beta subunit; involved in SRP-dependent protein targeting; anchors Srp101p to the ER membrane 1443 S000006716 tRNA n.a. tR(UCU)K n.a. 11 162563 162492 C tRNA-Arg 1446 S000001636 ORF Dubious YKL153W n.a. 11 163605 164114 W Protein required for cell viability 1448 S000001635 ORF Verified YKL152C GPM1 11 164390 163647 C Tetrameric phosphoglycerate mutase, mediates the conversion of 3-phosphoglycerate to 2-phosphoglycerate during glycolysis and the reverse reaction during gluconeogenesis 1450 S000001634 ORF Uncharacterized YKL151C n.a. 11 165935 164922 C Hypothetical protein 1452 S000001633 ORF Verified YKL150W MCR1 11 166549 167457 W Mitochondrial NADH-cytochrome b5 reductase, involved in ergosterol biosynthesis 1454 S000001632 ORF Verified YKL149C DBR1 11 168834 167617 C RNA lariat debranching enzyme, involved in intron turnover; required for efficient Ty1 transposition 1456 S000001631 ORF Verified YKL148C SDH1 11 171134 169212 C Flavoprotein subunit of succinate dehydrogenase (Sdh1p, Sdh2p, Sdh3p, Sdh4p), which couples the oxidation of succinate to the transfer of electrons to ubiquinone 1458 S000001629 ORF Verified YKL146W AVT3 11 171788 173866 W Vacuolar transporter, exports large neutral amino acids from the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters 1460 S000001630 ORF Dubious YKL147C n.a. 11 172173 171556 C Hypothetical protein 1462 S000001628 ORF Verified YKL145W RPT1 11 174218 175621 W One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; required for optimal CDC20 transcription; interacts with Rpn12p and the E3 ubiquitin-protein ligase Ubr1p 1464 S000028841 ORF Dubious YKL145W-A n.a. 11 174963 175055 W Identified by expression profiling and mass spectrometry 1466 S000001627 ORF Verified YKL144C RPC25 11 176486 175848 C RNA polymerase III subunit C25 1468 S000001626 ORF Verified YKL143W LTV1 11 176786 178177 W Protein required for growth at low temperature 1470 S000001625 ORF Verified YKL142W MRP8 11 178520 179179 W Putative mitochondrial ribosomal protein, has similarity to E. coli ribosomal protein S2 1472 S000001624 ORF Verified YKL141W SDH3 11 179672 180268 W Cytochrome b subunit of succinate dehydrogenase (Sdh1p, Sdh2p, Sdh3p, Sdh4p), which couples the oxidation of succinate to the transfer of electrons to ubiquinone 1474 S000001623 ORF Verified YKL140W TGL1 11 180784 182430 W Steryl ester hydrolase, one of three gene products (Yeh1p, Yeh2p, Tgl1p) responsible for steryl ester hydrolase activity and involved in sterol homeostasis; localized to lipid particle membranes 1476 S000001622 ORF Verified YKL139W CTK1 11 182963 184549 W Catalytic (alpha) subunit of C-terminal domain kinase I (CTDK-I), which phosphorylates the C-terminal repeated domain of the RNA polymerase II large subunit (Rpo21p) to affect both transcription and pre-mRNA 3' end processing 1478 S000028421 ORF Verified YKL138C-A HSK3 11 185017 184808 C Component of the DASH complex which is found at kinetochores and regulates spindle assembly; in vitro DASH forms rings on microtubules and promotes microtubule stability 1480 S000001621 ORF Verified YKL138C MRPL31 11 185686 185291 C Mitochondrial ribosomal protein of the large subunit 1482 S000001620 ORF Uncharacterized YKL137W n.a. 11 185988 186299 W Hypothetical protein 1484 S000001619 ORF Dubious YKL136W n.a. 11 186423 186821 W Hypothetical protein 1486 S000001618 ORF Verified YKL135C APL2 11 188647 186467 C Beta-adaptin, large subunit of the clathrin-associated protein (AP-1) complex; binds clathrin; involved in clathrin-dependent Golgi protein sorting 1488 S000001617 ORF Verified YKL134C OCT1 11 191443 189131 C Mitochondrial intermediate peptidase, cleaves N-terminal residues of a subset of proteins upon import, after their cleavage by mitochondrial processing peptidase (Mas1p-Mas2p); may contribute to mitochondrial iron homeostasis 1490 S000001616 ORF Uncharacterized YKL133C n.a. 11 193071 191680 C Hypothetical protein 1492 S000001614 ORF Dubious YKL131W n.a. 11 194479 195000 W Hypothetical protein 1494 S000001615 ORF Verified YKL132C RMA1 11 194867 193575 C Putative dihydrofolate synthetase; has similarity to Fol3p; similar to E. coli folylpolyglutamate synthetase/dihydrofolate synthetase 1496 S000001613 ORF Verified YKL130C SHE2 11 196029 195289 C RNA-binding protein that binds specific mRNAs and interacts with She3p; part of the mRNA localization machinery that restricts accumulation of certain proteins to the bud 1498 S000001612 ORF Verified YKL129C MYO3 11 200165 196350 C One of two type I myosins; localizes to actin cortical patches; deletion of MYO3 has little effect on growth, but myo3 myo5 double deletion causes severe defects in growth and actin cytoskeleton organization 1500 S000001611 ORF Verified YKL128C PMU1 11 201417 200530 C Putative phosphomutase, contains a region homologous to the active site of phsophomutases; overexpression of the gene suppresses the histidine auxotrophy of an ade3 ade16 ade17 triple mutant and the temperature sensitivity of a tps2 mutant 1503 S000006626 tRNA n.a. tK(CUU)K n.a. 11 202645 202717 W tRNA-Lys 1505 S000001610 ORF Verified YKL127W PGM1 11 203187 204899 W Phosphoglucomutase, minor isoform; catalyzes the conversion from glucose-1-phosphate to glucose-6-phosphate, which is a key step in hexose metabolism 1507 S000001609 ORF Verified YKL126W YPK1 11 205353 207395 W Serine/threonine protein kinase required for receptor-mediated endocytosis; involved in sphingolipid-mediated and cell integrity signaling pathways; localized to the bud neck, cytosol and plasma membrane; homolog of mammalian kinase SGK 1509 S000001608 ORF Verified YKL125W RRN3 11 207893 209776 W Required for transcription of rDNA by RNA Polymerase I; DNA-independent RNA Polymerase I transcription factor 1511 S000001607 ORF Verified YKL124W SSH4 11 210239 211978 W Protein whose overexpression confers resistance to the growth inhibitor leflunomide; suppressor of shr3 mutation 1513 S000001606 ORF Dubious YKL123W n.a. 11 211689 212069 W Hypothetical protein 1515 S000001605 ORF Verified YKL122C SRP21 11 212644 212141 C Subunit of the signal recognition particle (SRP), which functions in protein targeting to the endoplasmic reticulum membrane; not found in mammalian SRP; forms a pre-SRP structure in the nucleolus that is translocated to the cytoplasm 1517 S000001604 ORF Uncharacterized YKL121W n.a. 11 213788 216346 W Hypothetical protein 1519 S000001603 ORF Verified YKL120W OAC1 11 216990 217964 W Mitochondrial inner membrane transporter, transports oxaloacetate, sulfate, and thiosulfate; member of the mitochondrial carrier family 1521 S000001601 ORF Dubious YKL118W n.a. 11 218772 219083 W Involved in meiotic nuclear division. 1523 S000001602 ORF Verified YKL119C VPH2 11 218863 218216 C Integral membrane protein required for vacuolar H+-ATPase (V-ATPase) function, although not an actual component of the V-ATPase complex; functions in the assembly of the V-ATPase; localized to the endoplasmic reticulum (ER) 1526 S000006515 tRNA n.a. tA(AGC)K1 n.a. 11 219541 219613 W tRNA-Ala 1528 S000001600 ORF Verified YKL117W SBA1 11 219970 220620 W Co-chaperone that binds to and regulates Hsp90 family chaperones; important for pp60v-src activity in yeast; homologous to the mammalian p23 proteins 1530 S000001599 ORF Verified YKL116C PRR1 11 222546 220990 C Protein kinase with a possible role in MAP kinase signaling in the pheromone response pathway 1532 S000001598 ORF Dubious YKL115C n.a. 11 222931 222539 C Hypothetical protein 1534 S000001597 ORF Verified YKL114C APN1 11 224101 222998 C Major apurinic/apyrimidinic endonuclease, 3'-repair diesterase involved in repair of DNA damage by oxidation and alkylating agents; controls spontaneous mutations 1536 S000001596 ORF Verified YKL113C RAD27 11 225521 224373 C 5' to 3' exonuclease, 5' flap endonuclease, required for Okazaki fragment processing and maturation as well as for long-patch base-excision repair; member of the S. pombe RAD2/FEN1 family 1538 S000001595 ORF Verified YKL112W ABF1 11 226216 228411 W DNA binding protein with possible chromatin-reorganizing activity involved in transcriptional activation, gene silencing, and DNA replication and repair 1540 S000001594 ORF Dubious YKL111C n.a. 11 228445 228110 C Protein required for cell viability 1542 S000001593 ORF Verified YKL110C KTI12 11 229526 228585 C Protein associated with the RNA polymerase II Elongator complex; involved in sensitivity to G1 arrest induced by Kluyveromyces lactis toxin, zymocin 1544 S000001592 ORF Verified YKL109W HAP4 11 231873 233537 W Subunit of the heme-activated, glucose-repressed Hap2p/3p/4p/5p CCAAT-binding complex, a transcriptional activator and global regulator of respiratory gene expression; provides the principal activation function of the complex 1546 S000001591 ORF Verified YKL108W SLD2 11 234072 235433 W Protein required for DNA replication, phosphorylated in S phase by S-phase cyclin-dependent kinases (Cdks), phosphorylation is essential for DNA replication and for complex formation with Dpb11p; potential Cdc28p substrate 1548 S000001590 ORF Uncharacterized YKL107W n.a. 11 235787 236716 W Hypothetical protein 1550 S000007616 ORF Uncharacterized YKL106C-A n.a. 11 236912 236793 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 1552 S000001589 ORF Verified YKL106W AAT1 11 237182 238537 W Mitochondrial aspartate aminotransferase, catalyzes the conversion of oxaloacetate to aspartate in aspartate and asparagine biosynthesis 1554 S000001588 ORF Uncharacterized YKL105C n.a. 11 242229 238831 C Hypothetical protein 1556 S000001587 ORF Verified YKL104C GFA1 11 245019 242866 C Glutamine-fructose-6-phosphate amidotransferase, catalyzes the formation of glucosamine-6-P and glutamate from fructose-6-P and glutamine in the first step of chitin biosynthesis 1558 S000001586 ORF Verified YKL103C LAP4 11 247328 245784 C Vacuolar aminopeptidase, often used as a marker protein in studies of autophagy and cytosol to vacuole targeting (CVT) pathway 1560 S000001585 ORF Dubious YKL102C n.a. 11 248013 247708 C Hypothetical protein 1562 S000001584 ORF Verified YKL101W HSL1 11 248566 253122 W Nim1p-related protein kinase that regulates the morphogenesis and septin checkpoints; associates with the assembled septin filament; required along with Hsl7p for bud neck recruitment, phosphorylation, and degradation of Swe1p 1564 S000028840 ORF Dubious YKL100W-A n.a. 11 253805 253894 W Identified by expression profiling and mass spectrometry 1566 S000001583 ORF Uncharacterized YKL100C n.a. 11 255106 253343 C Hypothetical protein 1568 S000001582 ORF Verified YKL099C UTP11 11 256117 255347 C Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 1570 S000001581 ORF Uncharacterized YKL098W n.a. 11 256415 257488 W Hypothetical protein 1572 S000001580 ORF Dubious YKL097C n.a. 11 258558 258148 C Hypothetical protein 1574 S000028667 ORF Uncharacterized YKL096C-B n.a. 11 258867 258718 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 1576 S000001956 ORF Verified YKL096W-A CWP2 11 258898 259176 W major constituent of the cell wall containing GPI-anchor, plays a role in stabilizing the cell wall, low pH resistance protein; cell wall mannoprotein 1578 S000001579 ORF Verified YKL096W CWP1 11 260777 261496 W Cell wall mannoprotein, linked to a beta-1,3- and beta-1,6-glucan heteropolymer through a phosphodiester bond; involved in cell wall organization 1580 S000001578 ORF Verified YKL095W YJU2 11 261922 262758 W Essential nuclear protein; putative spliceosomal component involved in mRNA splicing, based on computational analysis of large-scale protein-protein interaction data 1582 S000001577 ORF Verified YKL094W YJU3 11 262994 263935 W Protein of unknown function, localizes to lipid particles 1584 S000001576 ORF Verified YKL093W MBR1 11 264434 265453 W Protein involved in mitochondrial functions and stress response; overexpression suppresses growth defects of hap2, hap3, and hap4 mutants 1586 S000001575 ORF Verified YKL092C BUD2 11 269104 265790 C GTPase activating factor for Rsr1p/Bud1p required for both axial and bipolar budding patterns; mutants exhibit random budding in all cell types 1588 S000001574 ORF Uncharacterized YKL091C n.a. 11 270295 269363 C Sec14p homolog 1590 S000001573 ORF Verified YKL090W CUE2 11 271523 272854 W Protein of unknown function; has two CUE domains that bind ubiquitin, which may facilitate intramolecular monoubiquitination 1592 S000001572 ORF Verified YKL089W MIF2 11 273039 274688 W Kinetochore protein with homology to human CENP-C, required for structural integrity of the spindle during anaphase spindle elongation, interacts with histones H2A, H2B, and H4, phosphorylated by Ipl1p 1594 S000001571 ORF Uncharacterized YKL088W n.a. 11 274928 276643 W Protein required for cell viability 1596 S000001570 ORF Verified YKL087C CYT2 11 277508 276834 C Cytochrome c1 heme lyase, involved in maturation of cytochrome c1, which is a subunit of the mitochondrial ubiquinol-cytochrome-c reductase; links heme covalently to apocytochrome c1 1598 S000001569 ORF Verified YKL086W SRX1 11 277926 278309 W Sulfiredoxin, contributes to oxidative stress resistance by reducing cysteine-sulfinic acid groups in the peroxiredoxins Tsa1p and Ahp1p that are formed upon exposure to oxidants; conserved in higher eukaryotes 1600 S000001568 ORF Verified YKL085W MDH1 11 278768 279772 W Mitochondrial malate dehydrogenase, catalyzes interconversion of malate and oxaloacetate; involved in the tricarboxylic acid (TCA) cycle 1602 S000001567 ORF Verified YKL084W HOT13 11 280154 280504 W Mitochondrial intermembrane space protein, first component of a pathway mediating assembly of small TIM (Translocase of the Inner Membrane) complexes which escort hydrophobic inner membrane proteins en route to the TIM22 complex 1604 S000001566 ORF Dubious YKL083W n.a. 11 280566 281180 W Protein required for cell viability 1606 S000001565 ORF Uncharacterized YKL082C RRP14 11 281974 280670 C Essential protein, constituent of 66S pre-ribosomal particles; interacts with proteins involved in ribosomal biogenesis and cell polarity; member of the SURF-6 family 1608 S000001564 ORF Verified YKL081W TEF4 11 282536 284100 W Translation elongation factor EF-1gamma 1611 S000033489 intron n.a. n.a. n.a. 11 282741 283066 W n.a. 1612 S000007301 snoRNA n.a. snR38 SNR38 11 282830 282924 W Small nucleolar RNA 1614 S000001563 ORF Verified YKL080W VMA5 11 284675 285853 W Subunit C of the eight-subunit V1 peripheral membrane domain of vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found throughout the endomembrane system; required for the V1 domain to assemble onto the vacuolar membrane 1616 S000001562 ORF Verified YKL079W SMY1 11 286248 288218 W Protein that interacts with Myo2p, proposed to be involved in exocytosis; N-terminal domain is related to the motor domain of kinesins 1618 S000001561 ORF Verified YKL078W DHR2 11 288490 290697 W Predominantly nucleolar DEAH-box RNA helicase, required for 18S rRNA synthesis 1620 S000001560 ORF Uncharacterized YKL077W n.a. 11 291098 292276 W Hypothetical protein 1622 S000001559 ORF Dubious YKL076C PSY1 11 292866 292483 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 69% of ORF overlaps the uncharacterized ORF YKL075C 1624 S000001558 ORF Uncharacterized YKL075C n.a. 11 293953 292601 C Hypothetical protein 1626 S000001557 ORF Verified YKL074C MUD2 11 295838 294255 C Protein involved in early pre-mRNA splicing; component of the pre-mRNA-U1 snRNP complex, the commitment complex; interacts with Msl5p/BBP splicing factor and Sub2p; similar to metazoan splicing factor U2AF65 1628 S000001556 ORF Verified YKL073W LHS1 11 296075 298720 W Molecular chaperone of the endoplasmic reticulum lumen, involved in polypeptide translocation and folding; member of the Hsp70 family; localizes to the lumen of the ER; regulated by the unfolded protein response pathway 1630 S000001555 ORF Verified YKL072W STB6 11 299227 301527 W Protein that binds Sin3p in a two-hybrid assay 1633 S000006774 tRNA n.a. tW(CCA)K n.a. 11 302563 302668 W tRNA-Trp 1634 S000033327 intron n.a. n.a. n.a. 11 302599 302632 W n.a. 1637 S000001554 ORF Uncharacterized YKL071W n.a. 11 304759 305529 W Hypothetical protein 1639 S000001553 ORF Uncharacterized YKL070W n.a. 11 305856 306365 W Hypothetical protein 1641 S000001552 ORF Uncharacterized YKL069W n.a. 11 306930 307472 W Hypothetical protein 1643 S000006760 tRNA n.a. tV(AAC)K1 n.a. 11 307862 307789 C tRNA-Val 1645 S000028524 ORF Uncharacterized YKL068W-A n.a. 11 308851 309087 W Identified by homology to Ashbya gossypii 1647 S000001551 ORF Verified YKL068W NUP100 11 309844 312723 W Subunit of the nuclear pore complex (NPC) that is localized to both sides of the pore; contains a repetitive GLFG motif that interacts with mRNA export factor Mex67p and with karyopherin Kap95p; homologous to Nup116p 1649 S000006598 tRNA n.a. tH(GUG)K n.a. 11 313117 313046 C tRNA-His 1653 S000001550 ORF Verified YKL067W YNK1 11 314457 314918 W Nucleoside diphosphate kinase, catalyzes the phosphorylation of nucleoside diphosphates into the corresponding triphosphates for nucleic acid biosynthesis 1655 S000001549 ORF Dubious YKL066W n.a. 11 314926 315369 W Hypothetical protein 1657 S000001548 ORF Uncharacterized YKL065C n.a. 11 316702 316082 C Endoplasmic reticulum transmembrane protein, homolog of human BAP31 protein 1659 S000001547 ORF Verified YKL064W MNR2 11 317409 320318 W Putative magnesium transporter; has similarity to Alr1p and Alr2p, which mediate influx of Mg2+ and other divalent cations 1661 S000001546 ORF Uncharacterized YKL063C n.a. 11 321163 320660 C Hypothetical protein 1663 S000001545 ORF Verified YKL062W MSN4 11 322873 324765 W Transcriptional activator related to Msn2p; activated in stress conditions, which results in translocation from the cytoplasm to the nucleus; binds DNA at stress response elements of responsive genes, inducing gene expression 1665 S000001544 ORF Uncharacterized YKL061W n.a. 11 325416 325757 W Hypothetical protein 1667 S000001543 ORF Verified YKL060C FBA1 11 327132 326053 C Fructose 1,6-bisphosphate aldolase, a cytosolic enzyme required for glycolysis and gluconeogenesis; catalyzes the conversion of fructose 1,6 bisphosphate into two 3-carbon products: glyceraldehyde-3-phosphate and dihydroxyacetone phosphate 1669 S000001542 ORF Verified YKL059C MPE1 11 329088 327763 C Essential conserved subunit of CPF (cleavage and polyadenylation factor), plays a role in 3' end formation of mRNA via the specific cleavage and polyadenylation of pre-mRNA, contains a putative RNA-binding zinc knuckle motif 1671 S000001541 ORF Verified YKL058W TOA2 11 329811 330179 W Transcription factor IIA, small chain 1673 S000001540 ORF Verified YKL057C NUP120 11 333614 330501 C Subunit of the Nup84p subcomplex of the nuclear pore complex (NPC), required for even distribution of NPCs around the nuclear envelope, involved in establishment of a normal nucleocytoplasmic concentration gradient of the GTPase Gsp1p 1675 S000001539 ORF Uncharacterized YKL056C n.a. 11 334560 334057 C Hypothetical protein 1677 S000001538 ORF Verified YKL055C OAR1 11 335802 334966 C Mitochondrial 3-oxoacyl-[acyl-carrier-protein] reductase, may comprise a type II mitochondrial fatty acid synthase along with Mct1p 1679 S000001537 ORF Verified YKL054C DEF1 11 338398 336182 C RNAPII degradation factor, forms a complex with Rad26p in chromatin, enables ubiquitination and proteolysis of RNAPII 1681 S000007243 ORF Verified YKL053C-A MDM35 11 339087 338827 C Mitochondrial Distribution and Morphology; Similar to human sequence predicted by GENSCAN 1683 S000001536 ORF Dubious YKL053W n.a. 11 339217 339591 W Hypothetical protein 1685 S000001535 ORF Verified YKL052C ASK1 11 340191 339313 C Component of the DASH complex that binds to microtubules and kinetochores and is essential for chromosome segregation; phosphorylated during the cell cycle by cyclin-dependent kinases 1687 S000001534 ORF Verified YKL051W SFK1 11 340957 342018 W Plasma membrane protein that may act together with or upstream of Stt4p to generate normal levels of the essential phospholipid PI4P, at least partially mediates proper localization of Stt4p to the plasma membrane 1689 S000001533 ORF Uncharacterized YKL050C n.a. 11 345265 342497 C Hypothetical protein 1691 S000001532 ORF Verified YKL049C CSE4 11 346409 345720 C Centromere protein that resembles histones, required for proper kinetochore function; homolog of human CENP-A 1693 S000001531 ORF Verified YKL048C ELM1 11 348781 346859 C Serine/threonine protein kinase that regulates cellular morphogenesis, septin behavior, and cytokinesis; required for the regulation of other kinases; forms part of the bud neck ring 1695 S000001530 ORF Uncharacterized YKL047W n.a. 11 349108 350658 W Hypothetical protein 1697 S000001529 ORF Verified YKL046C DCW1 11 352269 350920 C Mannosidase, GPI-anchored membrane protein required for cell wall biosynthesis, homologous to Dfg5p 1699 S000001528 ORF Verified YKL045W PRI2 11 353138 354724 W Subunit of DNA primase, which is required for DNA synthesis and double-strand break repair 1701 S000001527 ORF Dubious YKL044W n.a. 11 355967 356287 W Hypothetical protein 1703 S000001526 ORF Verified YKL043W PHD1 11 356393 357493 W Transcriptional activator that enhances pseudohyphal growth; regulates expression of FLO11, an adhesin required for pseudohyphal filament formation; similar to StuA, an A. nidulans developmental regulator; potential Cdc28p substrate 1705 S000001525 ORF Verified YKL042W SPC42 11 358120 359211 W Central plaque component of spindle pole body (SPB); involved in SPB duplication, may facilitate attachment of the SPB to the nuclear membrane 1707 S000001524 ORF Verified YKL041W VPS24 11 359787 360461 W One of four subunits of the endosomal sorting complex required for transport III (ESCRT-III); forms an ESCRT-III subcomplex with Vps2p; involved in the sorting of transmembrane proteins into the multivesicular body (MVB) pathway 1709 S000001523 ORF Verified YKL040C NFU1 11 361472 360702 C Protein involved in iron metabolism in mitochondria; similar to NifU, which is a protein required for the maturation of the Fe/S clusters of nitrogenase in nitrogen-fixing bacteria 1711 S000001522 ORF Verified YKL039W PTM1 11 362266 363861 W Protein of unknown function 1713 S000006460 snoRNA n.a. snR69 SNR69 11 364419 364519 W guides 2'-O-methylation on large subunit rRNA at C2945; small nucleolar RNA snR69 1715 S000001521 ORF Verified YKL038W RGT1 11 365248 368760 W Glucose-responsive transcription factor that regulates expression of several glucose transporter (HXT) genes in response to glucose; binds to promoters and acts both as a transcriptional activator and repressor 1717 S000001520 ORF Uncharacterized YKL037W n.a. 11 369008 369364 W Hypothetical protein 1719 S000001518 ORF Verified YKL035W UGP1 11 369534 371033 W UDP-glucose pyrophosphorylase (UGPase), catalyses the reversible formation of UDP-Glc from glucose 1-phosphate and UTP, involved in a wide variety of metabolic pathways, expression modulated by Pho85p through Pho4p 1721 S000001519 ORF Dubious YKL036C n.a. 11 369563 369171 C Protein required for cell viability 1723 S000001517 ORF Verified YKL034W TUL1 11 371472 373748 W Golgi-localized RING-finger ubiquitin ligase (E3), involved in ubiquitinating and sorting membrane proteins that contain polar transmembrane domains to multivesicular bodies for delivery to the vacuole for quality control purposes 1725 S000007242 ORF Uncharacterized YKL033W-A n.a. 11 374148 374858 W Similar to S. pombe hypothetical proteins 1727 S000001516 ORF Uncharacterized YKL033W n.a. 11 375099 378215 W Protein of unknown function; localized to the cytoplasm. 1729 S000006761 tRNA n.a. tV(AAC)K2 n.a. 11 379323 379396 W tRNA-Val 1731 S000001515 ORF Verified YKL032C IXR1 11 381501 379708 C Protein that binds DNA containing intrastrand cross-links formed by cisplatin, contains two HMG (high mobility group box) domains, which confer the ability to bend cisplatin-modified DNA; mediates aerobic transcriptional repression of COX5b 1733 S000001514 ORF Dubious YKL031W n.a. 11 381715 382128 W Hypothetical protein 1735 S000001513 ORF Dubious YKL030W n.a. 11 382141 382746 W Hypothetical protein 1737 S000001512 ORF Verified YKL029C MAE1 11 384368 382359 C Mitochondrial malic enzyme, catalyzes the oxidative decarboxylation of malate to pyruvate, which is a key intermediate in sugar metabolism and a precursor for synthesis of several amino acids 1739 S000001511 ORF Verified YKL028W TFA1 11 385401 386849 W TFIIE large subunit, involved in recruitment of RNA polymerase II to the promoter, activation of TFIIH, and promoter opening 1741 S000001510 ORF Uncharacterized YKL027W n.a. 11 387205 388548 W Hypothetical protein 1743 S000001509 ORF Verified YKL026C GPX1 11 389526 389023 C Phospholipid hydroperoxide glutathione peroxidase induced by glucose starvation that protects cells from phospholipid hydroperoxides and nonphospholipid peroxides during oxidative stress 1745 S000001508 ORF Verified YKL025C PAN3 11 391922 389883 C Essential subunit of the Pan2p-Pan3p poly(A)-ribonuclease complex, which acts to control poly(A) tail length and regulate the stoichiometry and activity of postreplication repair complexes 1747 S000001507 ORF Verified YKL024C URA6 11 392783 392169 C Uridylate kinase, catalyzes the seventh enzymatic step in the de novo biosynthesis of pyrimidines, converting uridine monophosphate (UMP) into uridine-5'-diphosphate (UDP) 1749 S000001506 ORF Uncharacterized YKL023W n.a. 11 393364 394197 W Hypothetical protein 1751 S000001505 ORF Verified YKL022C CDC16 11 396891 394369 C Subunit of the anaphase-promoting complex/cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition; required for sporulation 1753 S000001504 ORF Verified YKL021C MAK11 11 398393 396987 C Protein essential for cell growth and replication of M dsRNA virus; contains four beta-transducin repeats 1755 S000001503 ORF Verified YKL020C SPT23 11 401723 398475 C ER membrane protein involved, with its homolog Mga2p, in regulation of OLE1 transcription; inactive ER form dimerizes and one subunit is then activated by ubiquitin/proteasome-dependent processing followed by nuclear targeting 1757 S000001502 ORF Verified YKL019W RAM2 11 402211 403161 W Alpha subunit of both the farnesyltransferase and type I geranylgeranyltransferase that catalyze prenylation of proteins containing a CAAX consensus motif; essential protein required for membrane localization of Ras proteins and a-factor 1759 S000007615 ORF Uncharacterized YKL018C-A n.a. 11 403522 403223 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 1761 S000001501 ORF Verified YKL018W SWD2 11 403745 404734 W Subunit of the COMPASS (Set1C) complex, which methylates ubiquitinated histone H3 on lys 4 and is involved in telomeric silencing; subunit of CPF (cleavage and polyadenylation factor), a complex involved in RNAP II transcription termination 1763 S000001500 ORF Verified YKL017C HCS1 11 406884 404833 C Hexameric DNA polymerase alpha-associated DNA helicase A involved in lagging strand DNA synthesis; contains single-stranded DNA stimulated ATPase and dATPase activities; replication protein A stimulates helicase and ATPase activities 1765 S000001499 ORF Verified YKL016C ATP7 11 407632 407108 C Subunit d of the stator stalk of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 1767 S000001498 ORF Verified YKL015W PUT3 11 408187 411126 W Transcriptional activator of proline utilization genes, constitutively binds PUT1 and PUT2 promoter sequences and undergoes a conformational change to form the active state; has a Zn(2)-Cys(6) binuclear cluster domain 1769 S000001497 ORF Verified YKL014C URB1 11 416556 411262 C Nucleolar protein required for the normal accumulation of 25S and 5.8S rRNAs, associated with the 27SA2 pre-ribosomal particle; proposed to be involved in the biogenesis of the 60S ribosomal subunit 1771 S000001496 ORF Verified YKL013C ARC19 11 417666 417151 C Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches 1773 S000001495 ORF Verified YKL012W PRP40 11 417953 419704 W U1 snRNP protein involved in splicing, interacts with the branchpoint-binding protein during the formation of the second commitment complex 1775 S000001494 ORF Verified YKL011C CCE1 11 420859 419798 C cruciform cutting endonuclease 1777 S000001493 ORF Verified YKL010C UFD4 11 425518 421067 C Ubiquitin-protein ligase (E3) that interacts with Rpt4p and Rpt6p, two subunits of the 19S particle of the 26S proteasome; cytoplasmic E3 involved in the degradation of ubiquitin fusion proteins 1779 S000001492 ORF Verified YKL009W MRT4 11 425885 426595 W Protein involved in mRNA turnover and ribosome assembly, localizes to the nucleolus 1781 S000001491 ORF Verified YKL008C LAC1 11 428194 426938 C Ceramide synthase component, involved in synthesis of ceramide from C26(acyl)-coenzyme A and dihydrosphingosine or phytosphingosine, functionally equivalent to Lag1p 1783 S000001490 ORF Verified YKL007W CAP1 11 428945 429751 W Alpha subunit of the capping protein (CP) heterodimer (Cap1p and Cap2p) which binds to the barbed ends of actin filaments preventing further polymerization; localized predominantly to cortical actin patches 1785 S000002101 ORF Verified YKL006C-A SFT1 11 430275 429841 C Intra-Golgi v-SNARE, required for transport of proteins between an early and a later Golgi compartment 1788 S000037320 intron n.a. n.a. n.a. 11 430239 430099 C n.a. 1789 S000001489 ORF Verified YKL006W RPL14A 11 431549 432363 W N-terminally acetylated protein component of the large (60S) ribosomal subunit, nearly identical to Rpl14Bp and has similarity to rat L14 ribosomal protein; rpl14a csh5 double null mutant exhibits synthetic slow growth 1792 S000030077 intron n.a. n.a. n.a. 11 431678 432075 W n.a. 1793 S000001488 ORF Verified YKL005C BYE1 11 434520 432736 C Negative regulator of transcription elongation, contains a TFIIS-like domain and a PHD finger, multicopy suppressor of temperature-sensitive ess1 mutations, probably binds RNA polymerase II large subunit 1795 S000001487 ORF Verified YKL004W AUR1 11 435223 436428 W Phosphatidylinositol:ceramide phosphoinositol transferase (IPC synthase), required for sphingolipid synthesis; can mutate to confer aureobasidin A resistance 1797 S000001486 ORF Verified YKL003C MRP17 11 437135 436740 C Mitochondrial ribosomal protein of the small subunit; MRP17 exhibits genetic interactions with PET122, encoding a COX3-specific translational activator 1799 S000001485 ORF Verified YKL002W DID4 11 437421 438187 W Class E Vps protein of the ESCRT-III complex, required for sorting of integral membrane proteins into lumenal vesicles of multivesicular bodies, and for delivery of newly synthesized vacuolar enzymes to the vacuole, involved in endocytosis 1802 S000035273 intron n.a. n.a. n.a. 11 437481 437548 W n.a. 1803 S000001484 ORF Verified YKL001C MET14 11 439028 438420 C Adenylylsulfate kinase, required for sulfate assimilation and involved in methionine metabolism 1809 S000001709 ORF Verified YKR001C VPS1 11 442365 440251 C GTPase required for vacuolar protein sorting, functions in actin cytoskeleton organization via its interaction with Sla1p; required for late Golgi-retention of some proteins including Kex2p; involved in regulating peroxisome biogenesis 1811 S000001710 ORF Verified YKR002W PAP1 11 442875 444581 W Poly(A) polymerase, one of three factors required for mRNA 3'-end polyadenylation, forms multiprotein complex with polyadenylation factor I (PF I), also required for mRNA nuclear export; may also polyadenylate rRNAs 1813 S000001711 ORF Verified YKR003W OSH6 11 445024 446370 W Member of an oxysterol-binding protein family with overlapping, redundant functions in sterol metabolism and which collectively perform a function essential for viability; GFP-fusion protein localizes to the cell periphery 1815 S000001712 ORF Verified YKR004C ECM9 11 447679 446442 C Non-essential protein of unknown function 1818 S000033975 intron n.a. n.a. n.a. 11 447453 447350 C n.a. 1819 S000001713 ORF Uncharacterized YKR005C n.a. 11 449507 448164 C Hypothetical protein 1821 S000001714 ORF Verified YKR006C MRPL13 11 450860 450066 C Mitochondrial ribosomal protein of the large subunit, not essential for mitochondrial translation 1823 S000001715 ORF Verified YKR007W MEH1 11 451077 451631 W Component of the EGO complex, which is involved in the regulation of microautophagy; localizes to the vacuolar membrane, loss results in a defect in vacuolar acidification 1825 S000001716 ORF Verified YKR008W RSC4 11 451844 453721 W One of 15 subunits of the 'Remodel the Structure of Chromatin' (RSC) complex; found in close proximity to nucleosomal DNA; displaced from the surface of nucleosomal DNA after chromatin remodeling 1827 S000001717 ORF Verified YKR009C FOX2 11 456697 453995 C Multifunctional enzyme of the peroxisomal fatty acid beta-oxidation pathway; has 3-hydroxyacyl-CoA dehydrogenase and enoyl-CoA hydratase activities 1830 S000006642 tRNA n.a. tL(CAA)K n.a. 11 458200 458313 W tRNA-Leu 1831 S000033792 intron n.a. n.a. n.a. 11 458238 458269 W n.a. 1834 S000001718 ORF Verified YKR010C TOF2 11 460882 458567 C Nonessential mitochondrial protein of unknown function with sequence similarity to Net1p; identified as a topoisomerase I (Top1p) binding protein; displays synthetic genetic interactions with TOP1 and HPR1 1836 S000001719 ORF Uncharacterized YKR011C n.a. 11 462339 461278 C Hypothetical protein 1838 S000001721 ORF Verified YKR013W PRY2 11 463602 464591 W Protein of unknown function, has similarity to Pry1p and Pry3p and to the plant PR-1 class of pathogen related proteins 1840 S000001720 ORF Dubious YKR012C n.a. 11 463759 463382 C Hypothetical protein 1842 S000001722 ORF Verified YKR014C YPT52 11 465714 465010 C GTPase, similar to Ypt51p and Ypt53p and to mammalian rab5; required for vacuolar protein sorting and endocytosis 1844 S000001723 ORF Uncharacterized YKR015C n.a. 11 468310 466604 C Hypothetical protein 1846 S000001724 ORF Uncharacterized YKR016W n.a. 11 469360 470982 W The authentic, non-tagged protein was localized to the mitochondria 1848 S000001725 ORF Uncharacterized YKR017C n.a. 11 472992 471337 C Hypothetical protein 1850 S000001726 ORF Uncharacterized YKR018C n.a. 11 475543 473366 C Hypothetical protein 1852 S000001727 ORF Verified YKR019C IRS4 11 477706 475859 C Protein involved in regulation of phosphatidylinositol 4,5-bisphosphate concentrations; Irs4p and Tax4p bind and activate the phosphatase Inp51p; mutation confers an increase in rDNA silencing 1854 S000001728 ORF Verified YKR020W VPS51 11 477981 478475 W Component of the GARP (Golgi-associated retrograde protein) complex, Vps51p-Vps52p-Vps53p-Vps54p, which is required for the recycling of proteins from endosomes to the late Golgi; links the (VFT/GARP) complex to the SNARE Tlg1p 1856 S000001729 ORF Uncharacterized YKR021W n.a. 11 478877 481624 W Hypothetical protein 1858 S000001730 ORF Uncharacterized YKR022C n.a. 11 482782 481814 C Protein required for cell viability 1860 S000001731 ORF Uncharacterized YKR023W n.a. 11 483062 484654 W Hypothetical protein 1862 S000001732 ORF Verified YKR024C DBP7 11 487015 484787 C Putative ATP-dependent RNA helicase of the DEAD-box family involved in ribosomal biogenesis 1864 S000001733 ORF Verified YKR025W RPC37 11 487413 488261 W RNA polymerase III subunit C37 1866 S000001734 ORF Verified YKR026C GCN3 11 489298 488381 C Alpha subunit of the translation initiation factor eIF2B, the guanine-nucleotide exchange factor for eIF2; activity subsequently regulated by phosphorylated eIF2; first identified as a positive regulator of GCN4 expression 1870 S000006703 tRNA n.a. tR(ACG)K n.a. 11 490611 490683 W tRNA-Arg 1872 S000001735 ORF Uncharacterized YKR027W n.a. 11 491007 493304 W The authentic, non-tagged protein was localized to the mitochondria 1874 S000001736 ORF Verified YKR028W SAP190 11 493900 497196 W Protein that forms a complex with the Sit4p protein phosphatase and is required for its function; member of a family of similar proteins including Sap4p, Sap155p, and Sap185p 1876 S000001737 ORF Verified YKR029C SET3 11 499475 497220 C Defining member of the SET3 histone deacetylase complex which is a meiosis-specific repressor of sporulation genes; necessary for efficient transcription by RNAPII; one of two yeast proteins that contains both SET and PHD domains 1878 S000001738 ORF Verified YKR030W GMH1 11 499924 500745 W Golgi membrane protein of unknown function, interacts with Gea1p and Gea2p; required for localization of Gea2p; computational analysis suggests a possible role in either cell wall synthesis or protein-vacuolar targeting 1880 S000001739 ORF Verified YKR031C SPO14 11 506037 500986 C Phospholipase D, catalyzes the hydrolysis of phosphatidylcholine, producing choline and phosphatidic acid; involved in Sec14p-independent secretion; required for meiosis and spore formation; differently regulated in secretion and meiosis 1882 S000001740 ORF Dubious YKR032W n.a. 11 506159 506473 W Hypothetical protein 1884 S000001742 ORF Verified YKR034W DAL80 11 506540 507349 W Negative regulator of genes in multiple nitrogen degradation pathways; expression is regulated by nitrogen levels and by Gln3p; member of the GATA-binding family, forms homodimers and heterodimers with Deh1p 1886 S000001741 ORF Dubious YKR033C n.a. 11 506946 506521 C Hypothetical protein 1888 S000006435 ORF Verified YKR035W-A DID2 11 507581 508195 W Class E protein of the vacuolar protein-sorting (Vps) pathway, associates reversibly with the late endosome, has human ortholog that may be altered in breast tumors 1890 S000001743 ORF Dubious YKR035C n.a. 11 508203 507562 C Hypothetical protein 1892 S000001744 ORF Verified YKR036C CAF4 11 510323 508344 C WD40 repeat-containing protein associated with the CCR4-NOT complex, interacts in a Ccr4p-dependent manner with Ssn2p 1894 S000001745 ORF Verified YKR037C SPC34 11 511439 510552 C Component of Dam1p complex, important for spindle and kinetochore integrity; localized to nuclear side of spindle pole body and along mitotic spindle 1896 S000001746 ORF Verified YKR038C KAE1 11 512801 511641 C Putative glycoprotease that interacts with Bud32p, which is a member of the novel protein kinase piD261 family 1898 S000006540 tRNA n.a. tD(GUC)K n.a. 11 513045 512974 C tRNA-Asp 1901 S000001747 ORF Verified YKR039W GAP1 11 514705 516513 W General amino acid permease; localization to the plasma membrane is regulated by nitrogen source 1904 S000006516 tRNA n.a. tA(AGC)K2 n.a. 11 517630 517702 W tRNA-Ala 1906 S000001749 ORF Uncharacterized YKR041W n.a. 11 517840 518592 W Hypothetical protein 1908 S000001748 ORF Dubious YKR040C n.a. 11 518208 517705 C Hypothetical protein 1910 S000001750 ORF Verified YKR042W UTH1 11 518914 520266 W Mitochondrial outer membrane and cell wall localized SUN family member required for mitochondrial autophagy; involved in the oxidative stress response, life span during starvation, mitochondrial biogenesis, and cell death 1912 S000001751 ORF Uncharacterized YKR043C n.a. 11 521354 520539 C Hypothetical protein 1914 S000001752 ORF Verified YKR044W UIP5 11 521657 522988 W Protein of unknown function that interacts with Ulp1p, a Ubl (ubiquitin-like protein)-specific protease for Smt3p protein conjugates 1916 S000001753 ORF Uncharacterized YKR045C n.a. 11 523611 523060 C Hypothetical protein 1918 S000001754 ORF Uncharacterized YKR046C PET10 11 524716 523865 C Protein of unknown function that co-purifies with lipid particles; expression pattern suggests a role in respiratory growth; computational analysis of large-scale protein-protein interaction data suggests a role in ATP/ADP exchange 1920 S000001755 ORF Dubious YKR047W n.a. 11 524899 525204 W Hypothetical protein 1922 S000001756 ORF Verified YKR048C NAP1 11 526282 525029 C Protein that interacts with mitotic cyclin Clb2p; required for the regulation of microtubule dynamics during mitosis; controls bud morphogenesis; involved in the transport of H2A and H2B histones to the nucleus 1924 S000001757 ORF Uncharacterized YKR049C n.a. 11 526873 526472 C The authentic, non-tagged protein was localized to the mitochondria 1926 S000001758 ORF Verified YKR050W TRK2 11 527457 530126 W Component of the Trk1p-Trk2p potassium transport system 1928 S000001759 ORF Uncharacterized YKR051W n.a. 11 530588 531844 W Hypothetical protein 1930 S000001760 ORF Verified YKR052C MRS4 11 533106 532192 C Mitochondrial iron transporter of the mitochondrial carrier family (MCF), very similar to and functionally redundant with Mrs3p; functions under low-iron conditions; may transport other cations in addition to iron 1932 S000001761 ORF Verified YKR053C YSR3 11 534923 533709 C Dihydrosphingosine 1-phosphate phosphatase, membrane protein involved in sphingolipid metabolism; has similarity to Lcb3p 1934 S000001762 ORF Verified YKR054C DYN1 11 547567 535289 C Cytoplasmic heavy chain dynein, microtubule motor protein, required for anaphase spindle elongation; involved in spindle assembly, chromosome movement, and spindle orientation during cell division, targeted to microtubule tips by Pac1p 1936 S000001763 ORF Verified YKR055W RHO4 11 547858 548733 W Non-essential small GTPase of the Rho/Rac subfamily of Ras-like proteins, likely to be involved in the establishment of cell polarity 1938 S000001764 ORF Verified YKR056W TRM2 11 549090 551009 W tRNA methyltransferase, 5-methylates the uridine residue at position 54 of tRNAs and may also have a role in tRNA stabilization or maturation; previously thought to be an endo-exonuclease 1940 S000001765 ORF Verified YKR057W RPS21A 11 551299 551884 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps21Bp and has similarity to rat S21 ribosomal protein 1943 S000036540 intron n.a. n.a. n.a. 11 551323 551644 W n.a. 1944 S000001766 ORF Verified YKR058W GLG1 11 552820 554262 W Self-glucosylating initiator of glycogen synthesis, also glucosylates n-dodecyl-beta-D-maltoside; similar to mammalian glycogenin 1946 S000001767 ORF Verified YKR059W TIF1 11 554629 555816 W Translation initiation factor eIF4A, identical to Tif2p; DEA(D/H)-box RNA helicase that couples ATPase activity to RNA binding and unwinding; forms a dumbbell structure of two compact domains connected by a linker; interacts with eIF4G 1948 S000001768 ORF Uncharacterized YKR060W UTP30 11 556160 556984 W Possible U3 snoRNP protein involved in maturation of pre-18S rRNA, based on computational analysis of large-scale protein-protein interaction data 1950 S000001769 ORF Verified YKR061W KTR2 11 557319 558596 W Mannosyltransferase involved in N-linked protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family 1952 S000006502 snoRNA n.a. snR42 SNR42 11 559008 558658 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at position 2971 1954 S000001770 ORF Verified YKR062W TFA2 11 559308 560294 W TFIIE small subunit, involved in RNA polymerase II transcription initiation 1956 S000001771 ORF Verified YKR063C LAS1 11 561939 560431 C Essential nuclear protein possibly involved in bud formation and morphogenesis; mutants require the SSD1-v allele for viability 1958 S000001772 ORF Uncharacterized YKR064W n.a. 11 562189 564780 W Hypothetical protein 1960 S000001773 ORF Uncharacterized YKR065C n.a. 11 565534 564941 C The authentic, non-tagged protein was localized to the mitochondria 1962 S000001774 ORF Verified YKR066C CCP1 11 566840 565755 C Mitochondrial cytochrome-c peroxidase; degrades reactive oxygen species in mitochondria, involved in the response to oxidative stress 1964 S000001775 ORF Verified YKR067W GPT2 11 567560 569791 W Glycerol-3-phosphate acyltransferase located in both lipid particles and the ER; involved in the stepwise acylation of glycerol-3-phosphate and dihydroxyacetone, which are intermediate steps in lipid biosynthesis 1966 S000001776 ORF Verified YKR068C BET3 11 570551 569970 C Hydrophilic protein that acts in conjunction with SNARE proteins in targeting and fusion of ER to Golgi transport vesicles; component of the TRAPP (transport protein particle) complex 1968 S000001777 ORF Verified YKR069W MET1 11 571254 573035 W S-adenosyl-L-methionine uroporphyrinogen III transmethylase, involved in sulfate assimilation, methionine metabolism, and siroheme biosynthesis 1970 S000001778 ORF Uncharacterized YKR070W n.a. 11 573216 574274 W Hypothetical protein 1972 S000001779 ORF Verified YKR071C DRE2 11 575622 574576 C Protein of unknown function; mutation displays synthetic lethal interaction with the pol3-13 allele of CDC2 1974 S000001780 ORF Verified YKR072C SIS2 11 577765 576077 C Negative regulatory subunit of the protein phosphatase 1 Ppz1p; involved in ion homeostasis and cell cycle progression 1976 S000001781 ORF Dubious YKR073C n.a. 11 578149 577829 C Hypothetical protein 1978 S000006632 tRNA n.a. tK(UUU)K n.a. 11 578607 578702 W tRNA-Lys 1979 S000034204 intron n.a. n.a. n.a. 11 578644 578666 W n.a. 1982 S000001782 ORF Uncharacterized YKR074W n.a. 11 578851 579318 W Hypothetical protein 1984 S000028669 ORF Dubious YKR075W-A n.a. 11 579854 580123 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 1986 S000001783 ORF Uncharacterized YKR075C n.a. 11 580392 579469 C Protein of unknown function; similar to YOR062Cp and Reg1p; expression regulated by glucose and Rgt1p 1988 S000001784 ORF Verified YKR076W ECM4 11 581925 583037 W Non-essential protein of unknown function; similar to Ygr154cp 1990 S000001785 ORF Uncharacterized YKR077W n.a. 11 583295 584386 W Hypothetical protein 1992 S000001786 ORF Uncharacterized YKR078W n.a. 11 584594 586351 W Cytoplasmic protein of unknown function, has similarity to Vps5p; potential Cdc28p substrate 1994 S000001787 ORF Uncharacterized YKR079C TRZ1 11 588947 586431 C tRNase Z, involved in RNA processing, has two putative nucleotide triphosphate-binding motifs (P-loop) and a conserved histidine motif, homolog of the human candidate prostate cancer susceptibility gene ELAC2 1996 S000001788 ORF Verified YKR080W MTD1 11 590037 590999 W NAD-dependent 5,10-methylenetetrahydrafolate dehydrogenase, plays a catalytic role in oxidation of cytoplasmic one-carbon units; expression is regulated by Bas1p and Bas2p, repressed by adenine, and may be induced by inositol and choline 1998 S000001789 ORF Verified YKR081C RPF2 11 592182 591148 C Essential protein involved in the processing of pre-rRNA and the assembly of the 60S ribosomal subunit; interacts with ribosomal protein L11; localizes predominantly to the nucleolus; constituent of 66S pre-ribosomal particles 2000 S000001790 ORF Verified YKR082W NUP133 11 592467 595940 W Subunit of the Nup84p subcomplex of the nuclear pore complex (NPC), localizes to both sides of the NPC, required to establish a normal nucleocytoplasmic concentration gradient of the GTPase Gsp1p 2002 S000001791 ORF Verified YKR083C DAD2 11 596464 596063 C Essential protein, component of the DASH complex; involved in spindle integrity and kinetochore function; interacts with Duo1p and Dam1p; localizes to intranuclear spindles and kinetochore 2004 S000001792 ORF Verified YKR084C HBS1 11 598532 596697 C GTP binding protein with sequence similarity to the elongation factor class of G proteins, EF-1alpha and Sup35p; associates with Dom34p, and shares a similar genetic relationship with genes that encode ribosomal protein components 2006 S000001793 ORF Verified YKR085C MRPL20 11 599323 598736 C Mitochondrial ribosomal protein of the large subunit 2008 S000001794 ORF Verified YKR086W PRP16 11 599499 602714 W RNA helicase in the DEAH-box family involved in the second catalytic step of splicing, exhibits ATP-dependent RNA unwinding activity 2010 S000001795 ORF Verified YKR087C OMA1 11 603874 602837 C Metalloendopeptidase of the mitochondrial inner membrane, involved in turnover of membrane-embedded proteins; member of a family of predicted membrane-bound metallopeptidases in prokaryotes and higher eukaryotes 2012 S000001796 ORF Uncharacterized YKR088C n.a. 11 605060 604047 C Integral membrane protein localized to vesicles along with the v-SNARE Tlg2p; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 2014 S000001797 ORF Uncharacterized YKR089C n.a. 11 608007 605275 C Protein of unknown function found in lipid particles; potential Cdc28p substrate 2016 S000001798 ORF Verified YKR090W PXL1 11 608588 610708 W LIM domain-containing protein that localizes to sites of polarized growth, required for selection and/or maintenance of polarized growth sites, may modulate signaling by the GTPases Cdc42p and Rho1p; has similarity to metazoan paxillin 2018 S000001799 ORF Verified YKR091W SRL3 11 611167 611907 W Cytoplasmic protein that, when overexpressed, suppresses the lethality of a rad53 null mutation; potential Cdc28p substrate 2020 S000001800 ORF Verified YKR092C SRP40 11 613527 612307 C Nucleolar, serine-rich protein with a role in preribosome assembly or transport; may function as a chaperone of small nucleolar ribonucleoprotein particles (snoRNPs); immunologically and structurally to rat Nopp140 2022 S000001801 ORF Verified YKR093W PTR2 11 615372 617177 W Integral membrane peptide transporter, mediates transport of di- and tri-peptides; conserved protein that contains 12 transmembrane domains; PTR2 expression is regulated by the N-end rule pathway via repression by Cup9p 2024 S000001802 ORF Verified YKR094C RPL40B 11 618392 617638 C Fusion protein, identical to Rpl40Ap, that is cleaved to yield ubiquitin and a ribosomal protein of the large (60S) ribosomal subunit with similarity to rat L40; ubiquitin may facilitate assembly of the ribosomal protein into ribosomes 2027 S000034524 intron n.a. n.a. n.a. 11 618384 618017 C n.a. 2028 S000001803 ORF Verified YKR095W MLP1 11 619447 625074 W Myosin-like protein associated with the nuclear envelope, connects the nuclear pore complex with the nuclear interior; involved in the Tel1p pathway that controls telomere length; involved in the retention of unspliced mRNAs in the nucleus 2030 S000028512 ORF Uncharacterized YKR095W-A n.a. 11 625506 625847 W Protein of unknown function, conserved in Ashbya gossypii 2033 S000030273 intron n.a. n.a. n.a. 11 625544 625618 W n.a. 2034 S000001804 ORF Uncharacterized YKR096W n.a. 11 626435 630022 W Hypothetical protein 2036 S000001805 ORF Verified YKR097W PCK1 11 630790 632439 W Phosphoenolpyruvate carboxykinase, key enzyme in gluconeogenesis, catalyzes early reaction in carbohydrate biosynthesis, glucose represses transcription and accelerates mRNA degradation, regulated by Mcm1p and Cat8p, located in the cytosol 2038 S000001806 ORF Verified YKR098C UBP11 11 634817 632664 C Ubiquitin-specific protease that cleaves ubiquitin from ubiquitinated proteins 2040 S000001807 ORF Verified YKR099W BAS1 11 635489 637924 W Myb-related transcription factor involved in regulating basal and induced expression of genes of the purine and histidine biosynthesis pathways 2042 S000001808 ORF Uncharacterized YKR100C SKG1 11 639606 638539 C Transmembrane protein of unknown function; localizes on the inner surface of the plasma membrane at the bud and in the daughter cell; affects the cell wall polymer composition 2044 S000001809 ORF Verified YKR101W SIR1 11 640106 642142 W Protein involved in repression of transcription at the silent mating-type loci HML and HMR; recruitment to silent chromatin requires interactions with Orc1p and with Sir4p, through a common Sir1p domain; binds to centromeric chromatin 2046 S000001810 ORF Verified YKR102W FLO10 11 645994 649503 W Lectin-like protein with similarity to Flo1p, thought to be involved in flocculation 2048 S000001811 ORF Verified YKR103W NFT1 11 652718 656374 W Putative transporter of the multidrug resistance-associated protein (MRP) subfamily; adjacent ORFs YKR103W and YKR104W are merged in different strain backgrounds. 2050 S000001812 ORF Verified YKR104W n.a. 11 656474 657394 W ORFs YKR103W and YKR104W are merged in different strain backgrounds 2052 S000001813 ORF Uncharacterized YKR105C n.a. 11 660102 658354 C Hypothetical protein 2054 S000001814 ORF Uncharacterized YKR106W n.a. 11 661080 662927 W Protein of unconfirmed function; displays a topology characteristic of the Major Facilitators Superfamily of membrane proteins; coding sequence 98% identical to that of YCL073C 2065 S000028673 ORF Dubious YLL067W-A n.a. 12 843 1325 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 2067 S000003990 ORF Uncharacterized YLL067C n.a. 12 4301 585 C Hypothetical protein 2070 S000034998 intron n.a. n.a. n.a. 12 4014 3916 C n.a. 2071 S000028672 ORF Uncharacterized YLL066W-B n.a. 12 5605 5775 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 2077 S000028671 ORF Dubious YLL066W-A n.a. 12 6486 6968 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 2079 S000003989 ORF Uncharacterized YLL066C n.a. 12 9836 6120 C Hypothetical protein 2082 S000034883 intron n.a. n.a. n.a. 12 9549 9451 C n.a. 2088 S000003988 ORF Dubious YLL065W n.a. 12 11726 12076 W growth inhibitor 2093 S000003987 ORF Uncharacterized YLL064C n.a. 12 13445 13083 C Hypothetical protein 2095 S000003986 ORF Verified YLL063C AYT1 12 16072 14648 C Acetyltransferase; catalyzes trichothecene 3-O-acetylation, suggesting a possible role in trichothecene biosynthesis 2097 S000003985 ORF Verified YLL062C MHT1 12 17613 16639 C S-methylmethionine-homocysteine methyltransferase, functions along with Sam4p in the conversion of S-adenosylmethionine (AdoMet) to methionine to control the methionine/AdoMet ratio 2099 S000003984 ORF Verified YLL061W MMP1 12 17956 19707 W High-affinity S-methylmethionine permease, required for utilization of S-methylmethionine as a sulfur source; has similarity to S-adenosylmethionine permease Sam3p 2101 S000003983 ORF Verified YLL060C GTT2 12 21839 21138 C Glutathione S-transferase capable of homodimerization; functional overlap with Gtt2p, Grx1p, and Grx2p 2103 S000003982 ORF Dubious YLL059C n.a. 12 22980 22474 C Hypothetical protein 2105 S000003981 ORF Uncharacterized YLL058W n.a. 12 23569 25296 W Hypothetical protein 2107 S000003980 ORF Uncharacterized YLL057C JLP1 12 26994 25756 C Fe(II)-dependent sulfonate/alpha-ketoglutarate dioxygenase, involved in sulfonate catabolism for use as a sulfur source, contains sequence that closely resembles a J domain (typified by the E. coli DnaJ protein) 2109 S000003979 ORF Uncharacterized YLL056C n.a. 12 28305 27409 C Protein of unknown function, transcription is activated by paralogous transcription factors Yrm1p and Yrr1p along with genes involved in multidrug resistance 2111 S000003978 ORF Uncharacterized YLL055W n.a. 12 30109 31704 W Hypothetical protein 2113 S000003977 ORF Uncharacterized YLL054C n.a. 12 35203 32894 C Hypothetical protein 2115 S000003976 ORF Uncharacterized YLL053C n.a. 12 35960 35502 C Hypothetical protein; maybe continuous with YLL052C (AQY2) in some strain backgrounds including Sigma1278b; functions as an aquaporin in these strains. 2117 S000003975 ORF Verified YLL052C AQY2 12 36360 35911 C Water channel that mediates the transport of water across cell membranes and may be involved in freeze tolerance; disrupted by a stop codon in many S. cerevisiae strains 2119 S000003974 ORF Verified YLL051C FRE6 12 39470 37332 C Putative ferric reductase with similarity to Fre2p; expression induced by low iron levels 2121 S000003973 ORF Verified YLL050C COF1 12 40413 39803 C Cofilin, promotes actin filament depolarization in a pH-dependent manner; binds both actin monomers and filaments and severs filaments , thought to be regulated by phosphorylation at SER4, ubiquitous and essential in eukaryotes 2124 S000037512 intron n.a. n.a. n.a. 12 40399 40221 C n.a. 2125 S000003972 ORF Uncharacterized YLL049W n.a. 12 40665 41204 W Hypothetical protein 2127 S000003971 ORF Verified YLL048C YBT1 12 46264 41279 C Transporter of the ATP-binding cassette (ABC) family involved in bile acid transport; similar to mammalian bile transporters 2129 S000003970 ORF Dubious YLL047W n.a. 12 46671 47054 W Hypothetical protein 2131 S000003969 ORF Verified YLL046C RNP1 12 47462 46713 C Ribonucleoprotein that contains two RNA recognition motifs (RRM) 2133 S000003967 ORF Dubious YLL044W n.a. 12 48215 48661 W Hypothetical protein 2135 S000003968 ORF Verified YLL045C RPL8B 12 48628 47858 C Ribosomal protein L4 of the large (60S) ribosomal subunit, nearly identical to Rpl8Ap and has similarity to rat L7a ribosomal protein; mutation results in decreased amounts of free 60S subunits 2137 S000003966 ORF Verified YLL043W FPS1 12 49937 51946 W Plasma membrane glycerol channel, member of the major intrinsic protein (MIP) family of channel proteins; involved in efflux of glycerol and in uptake of the trivalent metalloids arsenite and antimonite 2139 S000003965 ORF Verified YLL042C ATG10 12 52589 52086 C Enzyme that mediates formation of the Atg12p-Atg5p conjugate, which is a critical step in autophagy 2141 S000003964 ORF Verified YLL041C SDH2 12 53930 53130 C Iron-sulfur protein subunit of succinate dehydrogenase (Sdh1p, Sdh2p, Sdh3p, Sdh4p), which couples the oxidation of succinate to the transfer of electrons to ubiquinone 2143 S000003963 ORF Verified YLL040C VPS13 12 63644 54210 C Protein of unknown function; heterooligomeric or homooligomeric complex; peripherally associated with membranes; homologous to human COH1; involved in sporulation, vacuolar protein sorting and protein-Golgi retention 2145 S000003962 ORF Verified YLL039C UBI4 12 65206 64061 C Ubiquitin, becomes conjugated to proteins, marking them for selective degradation via the ubiquitin-26S proteasome system; essential for the cellular stress response 2147 S000003961 ORF Verified YLL038C ENT4 12 66517 65774 C Protein of unknown function, contains an N-terminal epsin-like domain 2149 S000003960 ORF Dubious YLL037W n.a. 12 66561 66941 W Protein required for cell viability 2151 S000003959 ORF Verified YLL036C PRP19 12 68255 66744 C Splicing factor associated with the spliceosome; contains a U-box, a motif found in a class of ubiquitin ligases 2153 S000003958 ORF Verified YLL035W GRC3 12 68579 70477 W Protein of unknown function, required for cell growth and possibly involved in rRNA processing; mRNA is cell cycle regulated 2155 S000003957 ORF Verified YLL034C RIX7 12 73145 70632 C Putative ATPase of the AAA family, required for export of pre-ribosomal large subunits from the nucleus; distributed between the nucleolus, nucleoplasm, and nuclear periphery depending on growth conditions 2157 S000003956 ORF Uncharacterized YLL033W n.a. 12 73408 74100 W ORF, Uncharacterized 2159 S000003955 ORF Uncharacterized YLL032C n.a. 12 76746 74269 C Hypothetical protein 2161 S000003954 ORF Verified YLL031C GPI13 12 80204 77151 C ER membrane localized phosphoryltransferase that adds phosphoethanolamine onto the third mannose residue of the glycosylphosphatidylinositol (GPI) anchor precursor; similar to human PIG-O protein 2163 S000003953 ORF Dubious YLL030C n.a. 12 80696 80355 C Hypothetical protein 2165 S000003952 ORF Uncharacterized YLL029W n.a. 12 81460 83709 W Hypothetical protein 2167 S000003951 ORF Verified YLL028W TPO1 12 84803 86563 W Polyamine transporter that recognizes spermine, putrescine, and spermidine; catalyzes uptake of polyamines at alkaline pH and excretion at acidic pH; phosphorylation enhances activity and sorting to the plasma membrane 2169 S000003950 ORF Verified YLL027W ISA1 12 87402 88154 W Mitochondrial matrix protein involved in biogenesis of the iron-sulfur (Fe/S) cluster of Fe/S proteins, isa1 deletion causes loss of mitochondrial DNA and respiratory deficiency; depletion reduces growth on nonfermentable carbon sources 2171 S000003949 ORF Verified YLL026W HSP104 12 88622 91348 W Heat shock protein that cooperates with Ydj1p (Hsp40) and Ssa1p (Hsp70) to refold and reactivate previously denatured, aggregated proteins; responsive to stresses including: heat, ethanol, and sodium arsenite; involved in [PSI+] propagation 2174 S000006683 tRNA n.a. tP(UGG)L n.a. 12 92547 92649 W tRNA-Pro 2175 S000036013 intron n.a. n.a. n.a. 12 92583 92613 W n.a. 2178 S000003948 ORF Uncharacterized YLL025W n.a. 12 94746 95120 W Hypothetical protein 2180 S000003947 ORF Verified YLL024C SSA2 12 97484 95565 C ATP binding protein involved in protein folding and vacuolar import of proteins; member of heat shock protein 70 (HSP70) family; associated with the chaperonin-containing T-complex; present in the cytoplasm, vacuolar membrane and cell wall 2182 S000003946 ORF Uncharacterized YLL023C n.a. 12 98835 97996 C Hypothetical protein 2184 S000003945 ORF Verified YLL022C HIF1 12 100200 99043 C Non-essential component of the HAT-B histone acetyltransferase complex (Hat1p-Hat2p-Hif1p), localized to the nucleus; has a role in telomeric silencing 2186 S000003944 ORF Verified YLL021W SPA2 12 100946 105346 W Component of the polarisome, which functions in actin cytoskeletal organization during polarized growth; acts as a scaffold for Mkk1p and Mpk1p cell wall integrity signaling components; potential Cdc28p substrate 2188 S000003943 ORF Dubious YLL020C n.a. 12 105860 105555 C Hypothetical protein 2190 S000028670 ORF Dubious YLL019W-A n.a. 12 106907 106999 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 2192 S000003942 ORF Verified YLL019C KNS1 12 107898 105685 C Nonessential putative protein kinase of unknown cellular role; member of the LAMMER family of protein kinases, which are serine/threonine kinases also capable of phosphorylating tyrosine residues 2194 S000007245 ORF Verified YLL018C-A COX19 12 108971 108675 C Protein required for cytochrome c oxidase assembly, located in the cytosol and mitochondrial intermembrane space; putative copper metallochaperone that delivers copper to cytochrome c oxidase 2196 S000003941 ORF Verified YLL018C DPS1 12 111574 109901 C Cytoplasmic aspartyl-tRNA synthetase, homodimeric enzyme that catalyzes the specific aspartylation of tRNA(Asp); class II aminoacyl tRNA synthetase; binding to its own mRNA may confer autoregulation 2202 S000003938 ORF Verified YLL015W BPT1 12 116431 121110 W ABC type transmembrane transporter of MRP/CFTR family, found in vacuolar membrane, involved in the transport of unconjugated bilirubin and in heavy metal detoxification via glutathione conjugates, along with Ycf1p 2204 S000003937 ORF Uncharacterized YLL014W n.a. 12 121321 121647 W Hypothetical protein 2206 S000003936 ORF Verified YLL013C PUF3 12 124713 122074 C Protein that regulates degradation of specific mRNAs such as COX17, binds almost exclusively to cytoplasmic mRNAs encoding mitochondrial proteins, member of the PUF protein family that contains Pumilio homology domains 2208 S000003935 ORF Verified YLL012W YEH1 12 125533 127254 W Steryl ester hydrolase, one of three gene products (Yeh1p, Yeh2p, Tgl1p) responsible for steryl ester hydrolase activity and involved in sterol homeostasis; localized to lipid particle membranes 2210 S000003934 ORF Verified YLL011W SOF1 12 127522 128991 W Essential subunit of the U3 (box C+D) snRNP complex required for 2' O-methylation of pre-RNA; has similarity to the beta subunit of trimeric G-proteins and the splicing factor Prp4p 2212 S000003933 ORF Verified YLL010C PSR1 12 130612 129329 C Plasma membrane associated protein phosphatase involved in the general stress response; required along with binding partner Whi2p for full activation of STRE-mediated gene expression, possibly through dephosphorylation of Msn2p 2214 S000003932 ORF Verified YLL009C COX17 12 131413 131204 C Copper metallochaperone that transfers copper to Sco1p and Cox11p for eventual delivery to cytochrome c oxidase 2216 S000003931 ORF Verified YLL008W DRS1 12 131728 133986 W Nucleolar DEAD-box protein required for ribosome assembly and function, including synthesis of 60S ribosomal subunits; constituent of 66S pre-ribosomal particles 2218 S000003930 ORF Uncharacterized YLL007C n.a. 12 136298 134301 C Hypothetical protein 2220 S000028560 ORF Uncharacterized YLL006W-A n.a. 12 136344 136520 W Identified by fungal homology and RT-PCR 2222 S000003929 ORF Verified YLL006W MMM1 12 136585 137865 W Mitochondrial outer membrane protein required for normal mitochondrial morphology and mtDNA stability; involved in tethering mitochondria to the actin cytoskeleton and in anchoring mtDNA nucleoids 2224 S000003928 ORF Verified YLL005C SPO75 12 140545 137939 C Meiosis-specific protein of unknown function, required for spore wall formation during sporulation; dispensable for both nuclear divisions during meiosis 2226 S000003927 ORF Verified YLL004W ORC3 12 141072 142922 W Subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing 2228 S000003926 ORF Verified YLL003W SFI1 12 143200 146040 W Centrin (Cdc31p)-binding protein required for spindle pole body (SPB) duplication, localizes to the half-bridge of the SPB, required for progression through G(2)-M transition, has similarity to Xenopus laevis XCAP-C 2230 S000003925 ORF Verified YLL002W RTT109 12 146290 147600 W Protein with a role in regulation of Ty1 transposition 2232 S000003924 ORF Verified YLL001W DNM1 12 147889 150162 W Dynamin-related GTPase required for mitochondrial fission and the maintenance of mitochondrial morphology, assembles on the cytoplasmic face of mitochondrial tubules at sites at which division will occur; also participates in endocytosis 2238 S000003991 ORF Uncharacterized YLR001C n.a. 12 153976 151388 C Hypothetical protein 2240 S000003992 ORF Verified YLR002C NOC3 12 156333 154342 C Protein that forms a nuclear complex with Noc2p that binds to 66S ribosomal precursors to mediate their intranuclear transport; also binds to chromatin to promote the association of DNA replication factors and replication initiation 2242 S000003993 ORF Uncharacterized YLR003C n.a. 12 157729 156854 C Hypothetical protein 2244 S000003994 ORF Uncharacterized YLR004C n.a. 12 159504 157933 C Hypothetical protein 2246 S000003995 ORF Verified YLR005W SSL1 12 160048 161433 W Component of the core form of RNA polymerase transcription factor TFIIH, which has both protein kinase and DNA-dependent ATPase/helicase activities and is essential for transcription and nucleotide excision repair; interacts with Tfb4p 2248 S000003996 ORF Verified YLR006C SSK1 12 163892 161754 C Cytoplasmic response regulator, part of a two-component signal transducer that mediates osmosensing via a phosphorelay mechanism; dephosphorylated form is degraded by the ubiquitin-proteasome system; potential Cdc28p substrate 2250 S000003997 ORF Verified YLR007W NSE1 12 164391 165401 W Essential nuclear protein required for DNA repair; forms a complex with Smc5p and Smc6p 2252 S000003998 ORF Verified YLR008C PAM18 12 166082 165576 C Constituent of the mitochondrial import motor associated with the presequence translocase, along with Ssc1p, Tim44p, Mge1p, and Pam16p; stimulates the ATPase activity of Ssc1p to drive mitochondrial import; contains a J domain 2254 S000003999 ORF Verified YLR009W RLP24 12 166536 167135 W Ribosomal Like Protein 24 2256 S000004000 ORF Verified YLR010C TEN1 12 167801 167319 C protein involved in Telomeric pathways in association with Stn1; Protein required for cell viability 2258 S000006728 tRNA n.a. tS(AGA)L n.a. 12 168024 167943 C tRNA-Ser 2261 S000004001 ORF Verified YLR011W LOT6 12 169102 169677 W Putative NADPH-dependent FMN reductase with strong ferricyanide reductase activity in vitro; gene expression increases in cultures shifted to a lower temperature 2263 S000004002 ORF Uncharacterized YLR012C n.a. 12 170280 169981 C Hypothetical protein 2265 S000004003 ORF Verified YLR013W GAT3 12 171338 171763 W Protein containing GATA family zinc finger motifs 2267 S000004004 ORF Verified YLR014C PPR1 12 174981 172267 C Zinc finger transcription factor containing a Zn(2)-Cys(6) binuclear cluster domain, positively regulates transcription of genes involved in uracil biosynthesis; activity may be modulated by interaction with Tup1p 2269 S000004005 ORF Verified YLR015W BRE2 12 175226 176743 W Subunit of the COMPASS (Set1C) complex, which methylates Rad6p ubiquitinated histone H3 on lysine 4 and is required in transcriptional silencing near telomeres; has similarity to the trithorax-group protein ASH2L 2271 S000004006 ORF Uncharacterized YLR016C n.a. 12 177415 176801 C Hypothetical protein 2273 S000004007 ORF Verified YLR017W MEU1 12 177607 178620 W Methylthioadenosine phosphorylase (MTAP), catalyzes the initial step in the methionine salvage pathway; affects polyamine biosynthesis through regulation of ornithine decarboxylase (Spe1p) activity; regulates ADH2 gene expression 2275 S000004008 ORF Verified YLR018C POM34 12 179605 178706 C Integral membrane protein of the nuclear pore complex, localizes adjacent to the nuclear membrane 2277 S000004009 ORF Verified YLR019W PSR2 12 180287 181480 W Functionally redundant Psr1p homolog, a plasma membrane phosphatase involved in the general stress response; required with Psr1p and Whi2p for full activation of STRE-mediated gene expression, possibly through dephosphorylation of Msn2p 2279 S000004010 ORF Verified YLR020C YEH2 12 183404 181788 C Steryl ester hydrolase, catalyzes steryl ester hydrolysis at the plasma membrane; involved in sterol metabolism 2281 S000004011 ORF Uncharacterized YLR021W n.a. 12 183622 184161 W Hypothetical protein 2283 S000004012 ORF Uncharacterized YLR022C n.a. 12 184925 184173 C Essential protein involved in RNA metabolism, one of two yeast homologs (with Yhr087wp) of the human protein SBDS responsible for autosomal recessive Shwachman-Bodian-Diamond Syndrome, also conserved in Archaea 2285 S000004013 ORF Verified YLR023C IZH3 12 187128 185497 C Membrane protein involved in zinc metabolism, member of the four-protein IZH family, expression induced by zinc deficiency; deletion reduces sensitivity to elevated zinc and shortens lag phase, overexpression reduces Zap1p activity 2287 S000004014 ORF Verified YLR024C UBR2 12 193282 187664 C Cytoplasmic ubiquitin-protein ligase (E3) 2289 S000004015 ORF Verified YLR025W SNF7 12 194453 195175 W One of four subunits of the endosomal sorting complex required for transport III (ESCRT-III); involved in the sorting of transmembrane proteins into the multivesicular body (MVB) pathway; recruited from the cytoplasm to endosomal membranes 2291 S000004016 ORF Verified YLR026C SED5 12 196473 195451 C cis-Golgi t-SNARE syntaxin required for vesicular transport between the ER and the Golgi complex, binds at least 9 SNARE proteins 2293 S000004017 ORF Verified YLR027C AAT2 12 198086 196830 C Cytosolic aspartate aminotransferase, involved in nitrogen metabolism; localizes to peroxisomes in oleate-grown cells 2295 S000007497 snoRNA n.a. snR30 SNR30 12 198785 199385 W H/ACA small nucleolar RNA (snoRNA); required for cleavage of 35S pre-rRNA at sites A1 and A2 to form mature 18S rRNA 2297 S000004018 ORF Verified YLR028C ADE16 12 201316 199541 C Enzyme of 'de novo' purine biosynthesis containing both 5-aminoimidazole-4-carboxamide ribonucleotide transformylase and inosine monophosphate cyclohydrolase activities, isozyme of Ade17p; ade16 ade17 mutants require adenine and histidine 2299 S000004019 ORF Verified YLR029C RPL15A 12 202591 201977 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl15Bp and has similarity to rat L15 ribosomal protein; binds to 5.8 S rRNA 2301 S000004020 ORF Uncharacterized YLR030W n.a. 12 203291 204082 W Hypothetical protein 2303 S000004021 ORF Uncharacterized YLR031W n.a. 12 204226 204786 W Hypothetical protein 2305 S000004022 ORF Verified YLR032W RAD5 12 204992 208501 W Single-stranded DNA-dependent ATPase, involved in postreplication repair; contains RING finger domain 2307 S000004023 ORF Verified YLR033W RSC58 12 208762 210270 W Remodels the structure of chromatin complex 58KDa subunit; Chromatin Remodeling Complex subunit 2309 S000004024 ORF Verified YLR034C SMF3 12 211934 210513 C Putative divalent metal ion transporter involved in iron homeostasis; transcriptionally regulated by metal ions; member of the Nramp family of metal transport proteins 2311 S000004025 ORF Verified YLR035C MLH2 12 214457 212370 C Protein required for DNA mismatch repair in mitosis and meiosis; involved in the repair of mutational intermediates; forms a complex with Pms1p and Msh1p to repair mismatched DNA 2313 S000006524 tRNA n.a. tA(UGC)L n.a. 12 214956 214884 C tRNA-Ala 2320 S000004026 ORF Uncharacterized YLR036C n.a. 12 222133 221522 C Hypothetical protein 2322 S000004027 ORF Verified YLR037C DAN2 12 223060 222686 C Cell wall mannoprotein with similarity to Tir1p, Tir2p, Tir3p, and Tir4p; expressed under anaerobic conditions, completely repressed during aerobic growth 2324 S000004028 ORF Verified YLR038C COX12 12 225173 224922 C Subunit VIb of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; required for assembly of fully active cytochrome c oxidase but not required for activity after assembly 2326 S000004029 ORF Verified YLR039C RIC1 12 228597 225427 C Protein involved in retrograde transport to the cis-Golgi network; forms heterodimer with Rgp1p that acts as a GTP exchange factor for Ypt6p; involved in transcription of rRNA and ribosomal protein genes 2328 S000004031 ORF Dubious YLR041W n.a. 12 229378 229698 W Hypothetical protein 2330 S000004030 ORF Uncharacterized YLR040C n.a. 12 229583 228909 C Hypothetical protein 2332 S000004032 ORF Uncharacterized YLR042C n.a. 12 230452 229967 C Hypothetical protein 2334 S000004033 ORF Verified YLR043C TRX1 12 232014 231703 C Cytoplasmic thioredoxin isoenzyme of the thioredoxin system which protects cells against both oxidative and reductive stress, forms LMA1 complex with Pbi2p, acts as a cofactor for Tsa1p, required for ER-Golgi transport and vacuole inheritance 2336 S000004034 ORF Verified YLR044C PDC1 12 234082 232391 C Major of three pyruvate decarboxylase isozymes, key enzyme in alcoholic fermentation, decarboxylates pyruvate to acetaldehyde; subject to glucose-, ethanol-, and autoregulation; involved in amino acid catabolism 2338 S000004035 ORF Verified YLR045C STU2 12 237704 235038 C Microtubule-associated protein (MAP) of the XMAP215/Dis1 family; regulates microtubule dynamics during spindle orientation and metaphase chromosome alignment; interacts with spindle pole body component Spc72p 2340 S000004036 ORF Uncharacterized YLR046C n.a. 12 238814 238002 C Putative membrane protein, transcription is activated by paralogous transcription factors Yrm1p and Yrr1p along with genes involved in multidrug resistance 2342 S000004037 ORF Uncharacterized YLR047C n.a. 12 241408 239348 C Hypothetical protein 2344 S000004038 ORF Verified YLR048W RPS0B 12 242233 243350 W Protein component of the small (40S) ribosomal subunit, nearly identical to Rps0Ap; required for maturation of 18S rRNA along with Rps0Ap; deletion of either RPS0 gene reduces growth rate, deletion of both genes is lethal 2347 S000032919 intron n.a. n.a. n.a. 12 242323 242681 W n.a. 2348 S000004039 ORF Uncharacterized YLR049C n.a. 12 245173 243887 C Hypothetical protein 2350 S000004040 ORF Uncharacterized YLR050C n.a. 12 246073 245588 C Hypothetical protein 2352 S000004041 ORF Uncharacterized YLR051C n.a. 12 246978 246325 C Protein required for cell viability 2354 S000004042 ORF Verified YLR052W IES3 12 247202 247954 W Subunit of the INO80 chromatin remodeling complex 2356 S000004043 ORF Uncharacterized YLR053C n.a. 12 248427 248101 C Hypothetical protein 2358 S000004044 ORF Uncharacterized YLR054C OSW2 12 250979 248718 C Protein of unknown function proposed to be involved in the assembly of the spore wall 2361 S000035046 intron n.a. n.a. n.a. 12 250948 250862 C n.a. 2362 S000004045 ORF Verified YLR055C SPT8 12 253081 251273 C Subunit of the SAGA transcriptional regulatory complex but not present in SAGA-like complex SLIK/SALSA, required for SAGA-mediated inhibition at some promoters 2364 S000004046 ORF Verified YLR056W ERG3 12 253862 254959 W C-5 sterol desaturase, catalyzes the introduction of a C-5(6) double bond into episterol, a precursor in ergosterol biosynthesis; mutants are viable, but cannot grow on non-fermentable carbon sources 2366 S000004047 ORF Uncharacterized YLR057W n.a. 12 255307 257856 W Hypothetical protein 2368 S000004048 ORF Verified YLR058C SHM2 12 259402 257993 C serine hydroxymethyltransferase 2370 S000004049 ORF Verified YLR059C REX2 12 260548 259739 C RNA exonuclease, required for U4 snRNA maturation; functions redundantly with Rnh70p in 5.8S rRNA maturation, and with Rnh70p and Rex3p in processing of U5 snRNA and RNase P RNA; member of RNase D family of exonucleases 2372 S000004050 ORF Verified YLR060W FRS1 12 260980 262767 W Beta subunit of cytoplasmic phenylalanyl-tRNA synthetase, forms a tetramer with Frs2p to generate the active enzyme; evolutionarily distant from mitochondrial phenylalanyl-tRNA synthetase based on protein sequence, but substrate binding is similar 2374 S000004051 ORF Verified YLR061W RPL22A 12 263195 263949 W Protein component of the large (60S) ribosomal subunit, has similarity to Rpl22Bp and to rat L22 ribosomal protein 2377 S000030140 intron n.a. n.a. n.a. 12 263207 263595 W n.a. 2378 S000004052 ORF Dubious YLR062C BUD28 12 263955 263578 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 98% of ORF overlaps the verified gene RPL22A; diploid mutant displays a weak budding pattern phenotype in a systematic assay 2380 S000004053 ORF Uncharacterized YLR063W n.a. 12 264158 265255 W Hypothetical protein 2382 S000004054 ORF Uncharacterized YLR064W n.a. 12 265457 266278 W Hypothetical protein 2384 S000004055 ORF Uncharacterized YLR065C n.a. 12 266919 266374 C Hypothetical protein 2386 S000004056 ORF Verified YLR066W SPC3 12 267170 267724 W Subunit of signal peptidase complex (Spc1p, Spc2p, Spc3p, Sec11p), which catalyzes cleavage of N-terminal signal sequences of proteins targeted to the secretory pathway; homologous to mammalian SPC22/23 2388 S000004057 ORF Verified YLR067C PET309 12 270711 267814 C Specific translational activator for the COX1 mRNA, also influences stability of intron-containing COX1 primary transcripts; located in the mitochondrial inner membrane 2390 S000004058 ORF Verified YLR068W FYV7 12 271009 271464 W Protein of unknown function, required for survival upon exposure to K1 killer toxin; involved in processing the 35S rRNA primary transcript to generate the 20S and 27SA2 pre-rRNA transcripts 2392 S000004059 ORF Verified YLR069C MEF1 12 273916 271631 C Mitochondrial elongation factor involved in translational elongation 2394 S000004060 ORF Verified YLR070C XYL2 12 275212 274142 C Xylitol dehydrogenase, converts xylitol to D-xylulose in the endogenous xylose utilization pathway 2396 S000004061 ORF Verified YLR071C RGR1 12 278627 275379 C Component of RNA polymerase II holoenzyme/mediator complex; affects chromatin structure and transcriptional regulation of diverse genes; required for glucose repression, HO repression, RME1 repression and sporulation 2398 S000004062 ORF Uncharacterized YLR072W n.a. 12 278863 280944 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 2400 S000004063 ORF Uncharacterized YLR073C n.a. 12 281622 281020 C Hypothetical protein 2402 S000004064 ORF Verified YLR074C BUD20 12 282457 281957 C Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 2404 S000004065 ORF Verified YLR075W RPL10 12 282928 283593 W Protein component of the large (60S) ribosomal subunit, responsible for joining the 40S and 60S subunits; regulates translation initiation; has similarity to rat L10 ribosomal protein and to members of the QM gene family 2406 S000004066 ORF Dubious YLR076C n.a. 12 283608 283186 C Protein required for cell viability 2408 S000004067 ORF Uncharacterized YLR077W n.a. 12 283873 285624 W The authentic, non-tagged protein was localized to the mitochondria 2410 S000004068 ORF Verified YLR078C BOS1 12 286560 285737 C v-SNARE (vesicle specific SNAP receptor), localized to the endoplasmic reticulum membrane and necessary for vesicular transport from the ER to the Golgi 2413 S000036711 intron n.a. n.a. n.a. 12 286557 286469 C n.a. 2414 S000004069 ORF Verified YLR079W SIC1 12 286821 287675 W Inhibitor of Cdc28-Clb kinase complexes that controls the G1/S phase transition, preventing premature S phase entry and ensuring genomic integrity; multisite phosphorylation by Cdc28-Cln kinase targets Sic1p for SCF(CDC4)-dependent turnover 2416 S000004070 ORF Verified YLR080W EMP46 12 287917 289251 W Integral membrane component of endoplasmic reticulum-derived COPII-coated vesicles, which function in ER to Golgi transport 2418 S000004071 ORF Verified YLR081W GAL2 12 290213 291937 W Galactose permease, required for utilization of galactose; also able to transport glucose 2420 S000004072 ORF Verified YLR082C SRL2 12 293573 292395 C Protein of unknown function; overexpression suppresses the lethality caused by a rad53 null mutation 2422 S000004073 ORF Verified YLR083C EMP70 12 296095 294092 C Protein whose 24kDa cleavage product is found in endosome-enriched membrane fractions, predicted to be a transmembrane protein 2424 S000004074 ORF Verified YLR084C RAX2 12 300252 296590 C N-glycosylated protein involved in the maintenance of bud site selection during bipolar budding; localization requires Rax1p 2426 S000004075 ORF Verified YLR085C ARP6 12 301990 300674 C Nuclear actin-related protein involved in chromatin remodeling, component of chromatin-remodeling enzyme complexes 2428 S000004076 ORF Verified YLR086W SMC4 12 302244 306500 W Subunit of the condensin complex, which reorganizes chromosomes during cell division, forms a stable complex with Smc2p that has ATP-hydrolyzing and DNA-binding activity and promotes knotting of circular DNA; potential Cdc28p substrate 2430 S000004077 ORF Verified YLR087C CSF1 12 315732 306856 C Protein required for fermentation at low temperature 2432 S000004078 ORF Verified YLR088W GAA1 12 316108 317952 W Subunit of the GPI (glycosylphosphatidylinositol):protein transamidase complex, removes the GPI-anchoring signal and attaches GPI to proteins in the ER 2434 S000004079 ORF Uncharacterized YLR089C n.a. 12 320016 318238 C Putative alanine transaminase (glutamic pyruvic transaminase) 2436 S000004080 ORF Verified YLR090W XDJ1 12 320702 322081 W Putative chaperone, homolog of E. coli DnaJ, closely related to Ydj1p 2438 S000004081 ORF Uncharacterized YLR091W n.a. 12 322298 323179 W Hypothetical protein 2440 S000004082 ORF Verified YLR092W SUL2 12 323545 326226 W High affinity sulfate permease; sulfate uptake is mediated by specific sulfate transporters Sul1p and Sul2p, which control the concentration of endogenous activated sulfate intermediates 2442 S000004083 ORF Verified YLR093C NYV1 12 327416 326514 C v-SNARE component of the vacuolar SNARE complex involved in vesicle fusion; inhibits ATP-dependent Ca(2+) transport activity of Pmc1p in the vacuolar membrane 2445 S000033560 intron n.a. n.a. n.a. 12 327400 327260 C n.a. 2446 S000004084 ORF Verified YLR094C GIS3 12 329239 327731 C Protein of unknown function 2448 S000004085 ORF Verified YLR095C IOC2 12 332116 329678 C Member of a complex (Isw1b) with Isw1p and Ioc4p that exhibits nucleosome-stimulated ATPase activity and acts within coding regions to coordinate transcription elongation with termination and processing, contains a PHD finger motif 2450 S000004086 ORF Verified YLR096W KIN2 12 332591 336034 W Serine/threonine protein kinase involved in regulation of exocytosis; localizes to the cytoplasmic face of the plasma membrane; closely related to Kin1p 2452 S000004087 ORF Uncharacterized YLR097C HRT3 12 337266 336232 C Putative nuclear ubiquitin ligase, based on computational analysis of large-scale protein-protein interaction data; has similarity to F-box proteins; identified in association with Cdc53p, Skp1p and Ubi4 in large-scale studies 2454 S000004088 ORF Verified YLR098C CHA4 12 339474 337528 C Zinc-finger protein with Zn[2]-Cys[6] fungal-type binuclear cluster domain; DNA-binding transcriptional activator or CHA1 2456 S000004089 ORF Verified YLR099C ICT1 12 340929 339745 C Protein of unknown function, null mutation leads to an increase in sensitivity to Calcofluor white; expression of the gene is induced in the presence of isooctane 2458 S000007618 ORF Uncharacterized YLR099W-A n.a. 12 341326 341589 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 2460 S000004090 ORF Verified YLR100W ERG27 12 341811 342854 W 3-keto sterol reductase, catalyzes the last of three steps required to remove two C-4 methyl groups from an intermediate in ergosterol biosynthesis; mutants are sterol auxotrophs 2462 S000004091 ORF Dubious YLR101C n.a. 12 342962 342567 C Protein required for cell viability 2464 S000004092 ORF Verified YLR102C APC9 12 343768 342971 C Subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition 2466 S000004093 ORF Verified YLR103C CDC45 12 345942 343990 C DNA replication initiation factor; recruited to MCM pre-RC complexes at replication origins; promotes release of MCM from Mcm10p, recruits elongation machinery; mutants in human homolog may cause velocardiofacial and DiGeorge syndromes 2468 S000004094 ORF Uncharacterized YLR104W n.a. 12 346586 346981 W Hypothetical protein 2470 S000004095 ORF Verified YLR105C SEN2 12 348181 347048 C Subunit of the tRNA splicing endonuclease, which is composed of Sen2p, Sen15p, Sen34p, and Sen54p; Sen2p contains the active site for tRNA 5' splice site cleavage and has similarity to Sen34p and to Archaeal tRNA splicing endonuclease 2472 S000007313 snoRNA n.a. snR79 SNR79 12 348511 348428 C Small nucleolar RNA; small nucleolar RNA 2474 S000004096 ORF Verified YLR106C MDN1 12 363739 349007 C Huge dynein-related AAA-type ATPase (midasin), forms extended pre-60S particle with the Rix1 complex (Rix1p-Ipi1p-Ipi3p), may mediate ATP-dependent remodeling of 60S subunits and subsequent export from nucleoplasm to cytoplasm 2476 S000004097 ORF Verified YLR107W REX3 12 364117 365331 W RNA exonuclease; required for maturation of the RNA component of RNase MRP; functions redundantly with Rnh70p and Rex2p in processing of U5 snRNA and RNase P RNA; member of RNase D family of exonucleases 2479 S000006494 snRNA n.a. snR6 SNR6 12 366236 366347 W U6 spliceosomal RNA, interacts with U4; homology to snRNA U6, interacts with snr14 2481 S000004098 ORF Uncharacterized YLR108C n.a. 12 368125 366668 C Hypothetical protein 2483 S000004099 ORF Verified YLR109W AHP1 12 368782 369312 W Thiol-specific peroxiredoxin, reduces hydroperoxides to protect against oxidative damage; function in vivo requires covalent conjugation to Urm1p 2485 S000004100 ORF Verified YLR110C CCW12 12 370099 369698 C Cell wall protein, mutants are defective in mating and agglutination, expression is downregulated by alpha-factor 2487 S000004101 ORF Dubious YLR111W n.a. 12 370392 370724 W Hypothetical protein 2489 S000004102 ORF Dubious YLR112W n.a. 12 370792 371211 W Hypothetical protein 2491 S000004103 ORF Verified YLR113W HOG1 12 371621 372928 W Mitogen-activated protein kinase involved in osmoregulation via three independent osmosensors; mediates the recruitment and activation of RNA Pol II at Hot1p-dependent promoters; localization regulated by Ptp2p and Ptp3p 2494 S000006704 tRNA n.a. tR(ACG)L n.a. 12 374356 374428 W tRNA-Arg 2496 S000004104 ORF Uncharacterized YLR114C n.a. 12 377239 374945 C PHO85 Requiring 2498 S000004105 ORF Verified YLR115W CFT2 12 377986 380565 W Subunit of the mRNA cleavage and polyadenlylation factor (CPF); required for pre-mRNA cleavage, polyadenylation and poly(A) site recognition, 43% similarity with the mammalian CPSF-100 protein. 2500 S000004106 ORF Verified YLR116W MSL5 12 380823 382253 W Component of the commitment complex, which defines the first step in the splicing pathway; essential protein that interacts with Mud2p and Prp40p, forming a bridge between the intron ends; also involved in nuclear retention of pre-mRNA 2502 S000004107 ORF Verified YLR117C CLF1 12 384535 382472 C Essential splicesome assembly factor; contains multiple tetratricopeptide repeat (TPR) protein-binding motifs and interacts specifically with many spliceosome components, may serve as a scaffold during splicesome assembly 2504 S000004108 ORF Uncharacterized YLR118C n.a. 12 385409 384726 C ORF, Uncharacterized 2506 S000004109 ORF Verified YLR119W SRN2 12 385535 386176 W Component of the ESCRT-I complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome; suppressor of rna1-1 mutation; may be involved in RNA export from nucleus 2508 S000004110 ORF Verified YLR120C YPS1 12 388221 386512 C Aspartic protease, attached to the plasma membrane via a glycosylphosphatidylinositol (GPI) anchor 2510 S000028674 ORF Dubious YLR120W-A n.a. 12 388673 388774 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 2512 S000004111 ORF Verified YLR121C YPS3 12 390271 388745 C Aspartic protease, attached to the plasma membrane via a glycosylphosphatidylinositol (GPI) anchor 2514 S000004112 ORF Dubious YLR122C n.a. 12 391332 390955 C Hypothetical protein 2516 S000004113 ORF Dubious YLR123C n.a. 12 391408 391079 C contains characteristic aminoacyl-tRNA motif 2518 S000004114 ORF Dubious YLR124W n.a. 12 391601 391945 W Hypothetical protein 2520 S000004115 ORF Uncharacterized YLR125W n.a. 12 393485 393895 W Hypothetical protein 2522 S000004116 ORF Uncharacterized YLR126C n.a. 12 395521 394766 C Hypothetical protein 2524 S000004117 ORF Verified YLR127C APC2 12 398320 395759 C Subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition; similar to cullin Cdc53p 2526 S000004118 ORF Verified YLR128W DCN1 12 398531 399434 W Putative Nedd8 ligase; binds Nedd8; involved in cullin neddylation; not essential; similar to C.elegans DCN-1; contains UBA-like ubiquitin-binding domain and a DUF298 domain 2529 S000035289 intron n.a. n.a. n.a. 12 398534 398627 W n.a. 2530 S000004119 ORF Verified YLR129W DIP2 12 399658 402489 W Nucleolar protein, specifically associated with the U3 snoRNA, part of the large ribonucleoprotein complex known as the small subunit (SSU) processome, required for 18S rRNA biogenesis, part of the active pre-rRNA processing complex 2532 S000004120 ORF Verified YLR130C ZRT2 12 404063 402795 C Low-affinity zinc transporter of the plasma membrane; transcription is induced under low-zinc conditions by the Zap1p transcription factor 2534 S000004121 ORF Verified YLR131C ACE2 12 406823 404511 C Transcription factor that activates expression of early G1-specific genes, localizes to daughter cell nuclei after cytokinesis and delays G1 progression in daughters, localization is regulated by phosphorylation; potential Cdc28p substrate 2536 S000004122 ORF Uncharacterized YLR132C n.a. 12 408156 407284 C Protein required for cell viability 2538 S000004123 ORF Verified YLR133W CKI1 12 408446 410194 W choline kinase 2540 S000004124 ORF Verified YLR134W PDC5 12 410724 412415 W Minor isoform of pyruvate decarboxylase, key enzyme in alcoholic fermentation, decarboxylates pyruvate to acetaldehyde, regulation is glucose- and ethanol-dependent, repressed by thiamine, involved in amino acid catabolism 2542 S000004125 ORF Verified YLR135W SLX4 12 413282 415528 W Subunit of a complex, with Slx1p, that hydrolyzes 5' branches from duplex DNA in response to stalled or converging replication forks; function overlaps with that of Sgs1p-Top3p 2544 S000004126 ORF Verified YLR136C TIS11 12 416659 415802 C mRNA-binding protein expressed during iron starvation; binds to a sequence element in the 3'-untranslated regions of specific mRNAs to mediate their degradation; involved in iron homeostasis 2546 S000004127 ORF Uncharacterized YLR137W n.a. 12 417007 418110 W Hypothetical protein 2548 S000004128 ORF Verified YLR138W NHA1 12 418438 421395 W Na+/H+ antiporter involved in sodium and potassium efflux through the plasma membrane; required for alkali cation tolerance at acidic pH 2550 S000004129 ORF Verified YLR139C SLS1 12 423474 421543 C Mitochondrial membrane protein required for assembly of respiratory-chain enzyme complexes III and IV; coordinates expression of mitochondrially-encoded genes; may facilitate delivery of mRNA to membrane-bound translation machinery 2552 S000004130 ORF Dubious YLR140W n.a. 12 423475 423801 W Protein required for cell viability 2554 S000004131 ORF Verified YLR141W RRN5 12 423684 424775 W Transcription factor, member of UAF (upstream activation factor) family along with Rrn9p and Rrn10p, involved in transcription of rDNA by RNA polymerase I 2556 S000004132 ORF Verified YLR142W PUT1 12 425187 426617 W Proline oxidase, nuclear-encoded mitochondrial protein involved in utilization of proline as sole nitrogen source; PUT1 transcription is induced by Put3p in the presence of proline and the absence of a preferred nitrogen source 2558 S000006541 tRNA n.a. tD(GUC)L1 n.a. 12 427133 427204 W tRNA-Asp 2560 S000004133 ORF Uncharacterized YLR143W n.a. 12 427330 429387 W Hypothetical protein 2562 S000004134 ORF Verified YLR144C ACF2 12 432017 429678 C Intracellular beta-1,3-endoglucanase, expression is induced during sporulation; may have a role in cortical actin cytoskeleton assembly 2564 S000004135 ORF Verified YLR145W RMP1 12 432169 432774 W Protein required for cell viability, component of RNase MRP, which is involved in RNA processing in mitochondria 2566 S000004136 ORF Verified YLR146C SPE4 12 433726 432824 C Spermine synthase, required for the biosynthesis of spermine and also involved in biosynthesis of pantothenic acid 2568 S000004137 ORF Verified YLR147C SMD3 12 434464 434159 C involved in snRNP biogenesis and pre-mRNA splicing; encodes a core snRNP protein 2570 S000004138 ORF Verified YLR148W PEP3 12 434642 437398 W Vacuolar peripheral membrane protein that promotes vesicular docking/fusion reactions in conjunction with SNARE proteins, required for vacuolar biogenesis, forms complex with Pep5p that mediates protein transport to the vacuole 2572 S000004139 ORF Uncharacterized YLR149C n.a. 12 439824 437632 C Hypothetical protein 2574 S000007619 ORF Dubious YLR149C-A n.a. 12 440457 440371 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 2576 S000004140 ORF Verified YLR150W STM1 12 440468 441289 W Protein that binds G4 quadruplex and purine motif triplex nucleic acid; acts with Cdc13p to maintain telomere structure; interacts with ribosomes and subtelomeric Y' DNA; multicopy suppressor of tom1 and pop2 mutations 2578 S000004141 ORF Verified YLR151C PCD1 12 442738 441716 C Peroxisomal nudix pyrophosphatase with specificity for coenzyme A and CoA derivatives, may function to remove potentially toxic oxidized CoA disulfide from peroxisomes to maintain the capacity for beta-oxidation of fatty acids 2580 S000004142 ORF Uncharacterized YLR152C n.a. 12 444689 442959 C Hypothetical protein 2582 S000004143 ORF Verified YLR153C ACS2 12 447576 445525 C Acetyl-coA synthetase isoform, required for growth on glucose; expressed under anaerobic conditions 2584 S000004144 ORF Verified YLR154C RNH203 12 448315 447983 C Ribonuclease H2 subunit, required for RNase H2 activity 2586 S000006699 tRNA n.a. tQ(UUG)L n.a. 12 448722 448651 C tRNA-Gln 2589 S000029718 rRNA n.a. ETS2-1 ETS2-1 12 451786 451576 C Non-coding region located adjacent to and downstream of RDN25, transcribed as part of the 35S rRNA precursor transcript; contains the primary rRNA transcription termination site at +93 and a secondary termination site between +211 and +250 2591 S000028675 ORF Dubious YLR154W-A n.a. 12 452439 452624 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching; encoded within the the 25S rRNA gene on the opposite strand 2593 S000028563 ORF Dubious YLR154W-B n.a. 12 454393 454557 W Identified by fungal homology and RT-PCR; encoded within the the 25S rRNA gene on the opposite strand 2595 S000028422 ORF Verified YLR154W-C TAR1 12 454697 455071 W Mitochondrial protein of unknown function, overexpression suppresses an rpo41 mutation affecting mitochondrial RNA polymerase; encoded within the 25S rRNA gene on the opposite strand 2597 S000006484 rRNA n.a. RDN25-1 RDN25-1 12 455182 451787 C 25S ribosomal RNA, component of the large (60S) ribosomal subunit; encoded in the rDNA repeat (RDN1) as part of the 35S primary transcript 2599 S000029716 rRNA n.a. ITS2-1 ITS2-1 12 455414 455183 C Non-coding region, between RDN58 and RDN25, that is transcribed as part of the 35S rRNA precursor transcript; forms a stem-loop structure that is required for processing of the precursor transcript 2601 S000028676 ORF Dubious YLR154W-E n.a. 12 455434 455637 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching; encoded within the the 35S rRNA transcript on the opposite strand 2603 S000006488 rRNA n.a. RDN58-1 RDN58-1 12 455572 455415 C 5.8S ribosomal RNA, component of the 60S ribosomal subunit; encoded in the rDNA repeat (RDN1) as part of the 35S primary transcript; 3' end formation involves processing by the exosome complex while 5' end is generated by Kem1p and Rat1p 2605 S000028843 ORF Dubious YLR154W-F n.a. 12 455884 456024 W Identified by expression profiling and mass spectrometry; encoded within the the 35S rRNA transcript on the opposite strand 2607 S000029715 rRNA n.a. ITS1-1 ITS1-1 12 455933 455573 C Non-coding region, between RDN58 and RDN18, that is transcribed as part of the 35S rRNA precursor transcript; excision during transcript maturation is coupled with processing of the 3' external transcribed spacer (3'ETS) 2609 S000006482 rRNA n.a. RDN18-1 RDN18-1 12 457733 455934 C 18S ribosomal RNA, component of the small (40S) ribosomal subunit; involved in codon recognition by tRNAs or the release factor eRF1 (Sup45p); encoded in the rDNA repeat (RDN1) as part of the 35S primary transcript 2611 S000029717 rRNA n.a. ETS1-1 ETS1-1 12 458433 457734 C Non-coding region, located immediately upstream of RDN18, that is transcribed as part of the 35S rRNA precursor transcript; contains an essential U3 snoRNA binding site required for maturation of 18S rRNA 2613 S000006486 rRNA n.a. RDN37-1 RDN37-1 12 458433 451576 C 35S ribosomal RNA transcript, encoded by the RDN1 locus, that is processed into the 25S, 18S and 5.8S rRNAs (represented by the RDN25, RDN18, and RDN58 loci) 2621 S000029329 rRNA n.a. NTS2-1 n.a. 12 459676 458434 C Nontranscribed region of the rDNA repeat, located between RND5 and the 5'ETS; contains RNA polymerase I termination site 2623 S000006479 rRNA n.a. RDN5-1 RDN5-1 12 459677 459797 W 5S ribosomal RNA, component of the large (60S) ribosomal subunit; localized to the nucleolus via interaction with Rpl5p; may play a role in maintenance of translational frame; transcription is mediated by PolIII and activated by TFIIIA 2625 S000029714 rRNA n.a. NTS1-2 n.a. 12 460712 459798 C Non-transcribed region of the rDNA repeat located between the 3' ETS and RDN5, required for rDNA repeat expansion 2627 S000029713 rRNA n.a. ETS2-2 ETS2-2 12 460923 460713 C Non-coding region located adjacent to and downstream of RDN25, transcribed as part of the 35S rRNA precursor transcript; contains the primary rRNA transcription termination site at +93 and a secondary termination site between +211 and +250; Non-coding region located adjacent to and downstream of RDN25, transcribed as part of the 35S rRNA precursor transcript; excision during transcript maturation is coupled with processing of ITS1 (internal transcribed spacer 1) 2629 S000028561 ORF Uncharacterized YLR154C-G n.a. 12 462672 462523 C Identified by fungal homology and RT-PCR 2631 S000006485 rRNA n.a. RDN25-2 RDN25-2 12 464319 460924 C 25S ribosomal RNA, component of the large (60S) ribosomal subunit; encoded in the rDNA repeat (RDN1) as part of the 35S primary transcript 2633 S000029712 rRNA n.a. ITS2-2 ITS2-2 12 464551 464320 C Non-coding region between RDN58 and RDN25, transcribed as part of the 35S rRNA precursor transcript; forms a stem-loop structure required for processing of the precursor transcript 2635 S000006489 rRNA n.a. RDN58-2 RDN58-2 12 464709 464552 C 5.8S ribosomal RNA, component of the 60S ribosomal subunit; encoded in the rDNA repeat (RDN1) 2637 S000029709 rRNA n.a. ITS1-2 ITS1-2 12 465070 464710 C Non-coding region between RDN58 and RDN18, transcribed as part of the 35S rRNA precursor transcript; excision during transcript maturation is coupled with processing of the 3' external transcribed spacer (3' ETS) 2639 S000006483 rRNA n.a. RDN18-2 RDN18-2 12 466870 465071 C 18S ribosomal RNA, component of the small (40S) ribosomal subunit; involved in codon recognition by tRNAs or the release factor eRF1 (Sup45p); encoded in the rDNA repeat (RDN1) as part of the 35S primary transcript 2641 S000029707 rRNA n.a. ETS1-2 ETS1-2 12 467570 466871 C Non-coding region located immediately upstream of RDN18, transcribed as part of the 35S rRNA precursor transcript; contains an essential U3 snoRNA binding site required for maturation of 18S rRNA 2643 S000006487 rRNA n.a. RDN37-2 RDN37-2 12 467570 460713 C 35S ribosomal RNA transcript, encoded by the RDN1 locus, that is processed into the 25S, 18S and 5.8S rRNAs (represented by the RDN25, RDN18, and RDN58 loci) 2651 S000029706 rRNA n.a. NTS2-2 n.a. 12 468813 467571 C Non-transcribed region of the rDNA repeat, located between RDN5 and the 5' ETS 2653 S000006480 rRNA n.a. RDN5-2 RDN5-2 12 468814 468932 W 5S ribosomal RNA, component of the large (60S) ribosomal subunit; localized to the nucleolus via interaction with Rpl5p; may play a role in maintenance of translational frame; transcription is mediated by PolIII and activated by TFIIIA 2655 S000028562 ORF Uncharacterized YLR154C-H n.a. 12 468959 468828 C Identified by fungal homology and RT-PCR 2657 S000004145 ORF Verified YLR155C ASP3-1 12 470406 469318 C Cell-wall L-asparaginase II, involved in asparagine catabolism; expression is induced during nitrogen starvation; four copies of ASP3 are present in the genome reference strain S288C 2659 S000004146 ORF Uncharacterized YLR156W n.a. 12 472114 472458 W YLR156W, YLR159W, and YLR161W are three identical open reading frames encoded near the ribosomal DNA region of chromosome 12. 2661 S000006481 rRNA n.a. RDN5-3 RDN5-3 12 472466 472584 W 5S ribosomal RNA, component of the large (60S) ribosomal subunit; localized to the nucleolus via interaction with Rpl5p; may play a role in maintenance of translational frame; transcription is mediated by PolIII and activated by TFIIIA 2663 S000028564 ORF Uncharacterized YLR156C-A n.a. 12 472611 472480 C Identified by fungal homology and RT-PCR 2665 S000004147 ORF Verified YLR157C ASP3-2 12 474058 472970 C Cell-wall L-asparaginase II, involved in asparagine catabolism; expression is induced during nitrogen starvation; four copies of ASP3 are present in the genome reference strain S288C 2667 S000028677 ORF Uncharacterized YLR157W-D n.a. 12 475765 475977 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 2676 S000028678 ORF Uncharacterized YLR157W-E n.a. 12 481874 482038 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 2680 S000029708 rRNA n.a. RDN5-4 RDN5-4 12 482046 482164 W 5S ribosomal RNA, component of the large (60S) ribosomal subunit; localized to the nucleolus via interaction with Rpl5p; may play a role in maintenance of translational frame; transcription is mediated by PolIII and activated by TFIIIA 2682 S000028565 ORF Uncharacterized YLR157C-C n.a. 12 482191 482060 C Identified by fungal homology and RT-PCR 2684 S000004148 ORF Verified YLR158C ASP3-3 12 483638 482550 C Cell-wall L-asparaginase II, involved in asparagine catabolism; expression is induced during nitrogen starvation; four copies of ASP3 are present in the genome reference strain S288C 2686 S000004149 ORF Uncharacterized YLR159W n.a. 12 485346 485690 W Note: YLR156W, YLR159W, and YLR161W are identical. 2688 S000029710 rRNA n.a. RDN5-5 RDN5-5 12 485698 485816 W 5S ribosomal RNA, component of the large (60S) ribosomal subunit; localized to the nucleolus via interaction with Rpl5p; may play a role in maintenance of translational frame; transcription is mediated by PolIII and activated by TFIIIA 2690 S000028566 ORF Uncharacterized YLR159C-A n.a. 12 485843 485712 C Identified by fungal homology and RT-PCR 2692 S000004150 ORF Verified YLR160C ASP3-4 12 487290 486202 C Cell-wall L-asparaginase II, involved in asparagine catabolism; expression is induced during nitrogen starvation; four copies of ASP3 are present in the genome reference strain S288C 2694 S000004151 ORF Uncharacterized YLR161W n.a. 12 488998 489342 W Note: YLR156W, YLR159W, and YLR161W are identical. 2696 S000029711 rRNA n.a. RDN5-6 RDN5-6 12 489350 489470 W 5S ribosomal RNA, component of the large (60S) ribosomal subunit; localized to the nucleolus via interaction with Rpl5p; may play a role in maintenance of translational frame; transcription is mediated by PolIII and activated by TFIIIA 2698 S000004152 ORF Uncharacterized YLR162W n.a. 12 489574 489930 W Protein of unknown function; overexpression confers resistance to the antimicrobial peptide MiAMP1 2700 S000028567 ORF Uncharacterized YLR162W-A n.a. 12 490407 490595 W Identified by fungal homology and RT-PCR 2702 S000028844 ORF Dubious YLR163W-A n.a. 12 492814 492927 W Identified by expression profiling and mass spectrometry 2704 S000004153 ORF Verified YLR163C MAS1 12 493256 491868 C Smaller subunit of the mitochondrial processing protease, essential processing enzyme that cleaves the N-terminal targeting sequences from mitochondrially imported proteins 2706 S000004154 ORF Uncharacterized YLR164W n.a. 12 493885 494391 W YLR164Wp is homologous to TIM18p 2708 S000004155 ORF Verified YLR165C PUS5 12 495260 494496 C Pseudouridine synthase, catalyzes only the formation of pseudouridine (Psi)-2819 in mitochondrial 21S rRNA; not essential for viability 2710 S000004156 ORF Verified YLR166C SEC10 12 498046 495431 C Essential 100kDa subunit of the exocyst complex (Sec3p, Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p), which has the essential function of mediating polarized targeting of secretory vesicles to active sites of exocytosis 2712 S000004157 ORF Verified YLR167W RPS31 12 498949 499407 W Fusion protein that is cleaved to yield a ribosomal protein of the small (40S) subunit and ubiquitin; ubiquitin may facilitate assembly of the ribosomal protein into ribosomes; interacts genetically with translation factor eIF2B 2714 S000004158 ORF Uncharacterized YLR168C n.a. 12 500272 499580 C possibly involved in intramitochondrial sorting 2716 S000004159 ORF Dubious YLR169W n.a. 12 500337 500690 W Hypothetical protein 2718 S000004161 ORF Dubious YLR171W n.a. 12 500735 501124 W Hypothetical protein 2720 S000004160 ORF Verified YLR170C APS1 12 501051 500581 C Small subunit of the clathrin-associated adaptor complex AP-1, which is involved in protein sorting at the trans-Golgi network; homolog of the sigma subunit of the mammalian clathrin AP-1 complex 2722 S000004162 ORF Verified YLR172C DPH5 12 502164 501262 C Methyltransferase required for synthesis of diphthamide, which is a modified histidine residue of translation elongation factor 2 (Eft1p or Eft2p); not essential for viability; GFP-Dph5p fusion protein localizes to the cytoplasm 2724 S000004163 ORF Uncharacterized YLR173W n.a. 12 502423 504249 W Hypothetical protein 2726 S000004164 ORF Verified YLR174W IDP2 12 504593 505831 W Cytosolic NADP-specific isocitrate dehydrogenase, catalyzes oxidation of isocitrate to alpha-ketoglutarate; levels are elevated during growth on non-fermentable carbon sources and reduced during growth on glucose 2728 S000004165 ORF Verified YLR175W CBF5 12 506136 507587 W Component of box H/ACA small nucleolar ribonucleoprotein particles (snoRNPs), probable rRNA pseudouridine synthase, binds to snoRNP Nop10p and also interacts with ribosomal biogenesis protein Nop53p 2730 S000004166 ORF Verified YLR176C RFX1 12 510234 507799 C Protein involved in DNA damage and replication checkpoint pathway; recruits repressors Tup1p and Cyc8p to promoters of DNA damage-inducible genes; similar to a family of mammalian DNA binding RFX1-4 proteins 2732 S000004167 ORF Uncharacterized YLR177W n.a. 12 511056 512942 W Hypothetical protein 2734 S000004168 ORF Verified YLR178C TFS1 12 513823 513164 C Carboxypeptidase Y inhibitor, function requires acetylation by the NatB N-terminal acetyltransferase; phosphatidylethanolamine-binding protein involved in protein kinase A signaling pathway 2736 S000004169 ORF Uncharacterized YLR179C n.a. 12 514715 514110 C Protein of unknown function, transcription is activated by paralogous transcription factors Yrm1p and Yrr1p along with genes involved in multidrug resistance 2738 S000004170 ORF Verified YLR180W SAM1 12 515264 516412 W S-adenosylmethionine synthetase, catalyzes transfer of the adenosyl group of ATP to the sulfur atom of methionine; one of two differentially regulated isozymes (Sam1p and Sam2p) 2740 S000004171 ORF Verified YLR181C VTA1 12 517672 516680 C Protein involved in endosomal protein sorting; binds to Vps20 and Vps4 and may regulate Vps4function; has coiled-coil domains; mutants show class E vacuolar-protein sorting defects 2742 S000004172 ORF Verified YLR182W SWI6 12 517942 520353 W Transcription cofactor, forms complexes with DNA-binding proteins Swi4p and Mbp1p to regulate transcription at the G1/S transition; involved in meiotic gene expression; localization regulated by phosphorylation; potential Cdc28p substrate 2744 S000004173 ORF Verified YLR183C TOS4 12 522014 520545 C Transcription factor that binds to a number of promoter regions, particularly promoters of some genes involved in pheromone response and cell cycle; potential Cdc28p substrate; expression is induced in G1 by bound SBF 2746 S000004174 ORF Dubious YLR184W n.a. 12 522108 522455 W Hypothetical protein 2748 S000004175 ORF Verified YLR185W RPL37A 12 522665 523290 W Protein component of the large (60S) ribosomal subunit, has similarity to Rpl37Bp and to rat L37 ribosomal protein 2751 S000033907 intron n.a. n.a. n.a. 12 522672 523030 W n.a. 2752 S000004176 ORF Verified YLR186W EMG1 12 523634 524392 W Protein required for the maturation of the 18S rRNA and for 40S ribosome production; associated with spindle/microtubules; nuclear localization depends on physical interaction with Nop14p; may bind snoRNAs 2754 S000004177 ORF Uncharacterized YLR187W SKG3 12 524867 527947 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, bud, and bud neck; potential Cdc28p substrate; similar to Caf120p and Skg4p 2756 S000004178 ORF Verified YLR188W MDL1 12 528302 530389 W Half-type ATP-binding cassette (ABC) transporter of the inner mitochondrial membrane, mediates export of peptides generated upon proteolysis of mitochondrial proteins, plays a role in the regulation of cellular resistance to oxidative stress 2758 S000004179 ORF Verified YLR189C ATG26 12 534395 530799 C UDP-glucose:sterol glucosyltransferase, conserved enzyme involved in synthesis of sterol glucoside membrane lipids, involved in autophagy 2760 S000004180 ORF Verified YLR190W MMR1 12 535216 536691 W Phosphorylated protein of the mitochondrial outer membrane, localizes only to mitochondria of the bud; interacts with Myo2p to mediate mitochondrial distribution to buds; mRNA is targeted to the bud via the transport system involving She2p 2762 S000004181 ORF Verified YLR191W PEX13 12 537274 538434 W Integral peroxisomal membrane receptor for the PTS1 peroxisomal matrix protein signal recognition factor Pex5p, required for the translocation of peroxisomal matrix proteins, also interacts with Pex7p and Pex14p, contains a C-terminal SH3 domain 2764 S000004182 ORF Verified YLR192C HCR1 12 539591 538794 C Dual function protein involved in translation initiation as a substoichiometric component of eukaryotic translation initiation factor 3 (eIF3) and required for processing of 20S pre-rRNA; binds to eIF3 subunits Rpg1p and Prt1p and 18S rRNA 2766 S000004183 ORF Uncharacterized YLR193C n.a. 12 540538 540011 C Hypothetical protein 2768 S000004184 ORF Uncharacterized YLR194C n.a. 12 541575 540811 C Hypothetical protein 2770 S000004185 ORF Verified YLR195C NMT1 12 543306 541939 C N-myristoyl transferase, catalyzes the cotranslational, covalent attachment of myristic acid to the N-terminal glycine residue of several proteins involved in cellular growth and signal transduction 2772 S000004186 ORF Verified YLR196W PWP1 12 543970 545700 W Protein with WD-40 repeats involved in rRNA processing; associates with trans-acting ribosome biogenesis factors; similar to beta-transducin superfamily 2774 S000004187 ORF Verified YLR197W SIK1 12 546099 547613 W Essential evolutionarily-conserved nucleolar protein component of the box C/D snoRNP complexes that direct 2'-O-methylation of pre-rRNA during its maturation; overexpression causes spindle orientation defects 2776 S000004188 ORF Dubious YLR198C n.a. 12 547647 547288 C Protein required for cell viability 2778 S000004189 ORF Uncharacterized YLR199C n.a. 12 548771 547855 C Hypothetical protein 2781 S000030463 intron n.a. n.a. n.a. 12 548765 548680 C n.a. 2782 S000004190 ORF Verified YLR200W YKE2 12 549014 549358 W Subunit of the heterohexameric Gim/prefoldin protein complex involved in the folding of alpha-tubulin, beta-tubulin, and actin 2784 S000004191 ORF Uncharacterized YLR201C n.a. 12 550295 549513 C The authentic, non-tagged protein was localized to the mitochondria 2786 S000004192 ORF Dubious YLR202C n.a. 12 550638 550196 C Hypothetical protein 2789 S000037016 intron n.a. n.a. n.a. 12 550576 550461 C n.a. 2790 S000004193 ORF Verified YLR203C MSS51 12 551962 550652 C Nuclear encoded protein required for translation of COX1 mRNA; binds to Cox1 protein 2792 S000004194 ORF Verified YLR204W QRI5 12 552272 552607 W Mitochondrial protein of unknown function 2794 S000004195 ORF Verified YLR205C HMX1 12 553679 552726 C ER localized, heme-binding peroxidase involved in the degradation of heme; does not exhibit heme oxygenase activity despite similarity to heme oxygenases; expression regulated by AFT1 2796 S000004196 ORF Verified YLR206W ENT2 12 554580 556421 W Epsin-like protein required for endocytosis and actin patch assembly and functionally redundant with Ent1p; contains clathrin-binding motif at C-terminus 2798 S000004197 ORF Verified YLR207W HRD3 12 556790 559291 W Resident protein of the ER membrane that plays a central role in ER-associated protein degradation (ERAD), forms HRD complex with Hrd1p and ERAD determinants that engages in lumen to cytosol communication and coordination of ERAD events 2800 S000004198 ORF Verified YLR208W SEC13 12 559553 560446 W Component of both the Nup84 nuclear pore sub-complex and of the COPII complex (Sar1p, Sec13p, Sec16p, Sec23p, Sec24p, Sec31p, Sfb2p, and Sfb3p) which is important for the formation of ER to Golgi transport vesicles 2802 S000004199 ORF Verified YLR209C PNP1 12 561734 560799 C Purine nucleoside phosphorylase, specifically metabolizes inosine and guanosine nucleosides 2804 S000004200 ORF Verified YLR210W CLB4 12 562010 563392 W B-type cyclin involved in cell cycle progression; activates Cdc28p to promote the G2/M transition; may be involved in DNA replication and spindle assembly; accumulates during S phase and G2, then targeted for ubiquitin-mediated degradation 2806 S000004201 ORF Uncharacterized YLR211C n.a. 12 564533 563794 C Hypothetical protein 2809 S000032248 intron n.a. n.a. n.a. 12 564515 564457 C n.a. 2810 S000004202 ORF Verified YLR212C TUB4 12 566283 564862 C Gamma-tubulin, involved in nucleating microtubules from both the cytoplasmic and nuclear faces of the spindle pole body 2812 S000004203 ORF Verified YLR213C CRR1 12 567924 566656 C Protein with similarity to Crh1p, which is a putative glycosidase of the cell wall 2814 S000004204 ORF Verified YLR214W FRE1 12 568569 570629 W Ferric reductase and cupric reductase, reduces siderophore-bound iron and oxidized copper prior to uptake by transporters; expression induced by low copper and iron levels 2816 S000004205 ORF Verified YLR215C CDC123 12 571860 570778 C Protein involved in nutritional control of the cell cycle; regulates abundance of the translation initiation factor eIF2; ortholog of human D123 protein 2818 S000004207 ORF Dubious YLR217W n.a. 12 572911 573234 W Hypothetical protein 2820 S000004206 ORF Verified YLR216C CPR6 12 573213 572098 C Peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; binds to Hsp82p and contributes to chaperone activity 2822 S000004208 ORF Uncharacterized YLR218C n.a. 12 573920 573468 C Hypothetical protein 2824 S000004209 ORF Verified YLR219W MSC3 12 574153 576339 W Protein of unknown function, green fluorescent protein (GFP)-fusion protein localizes to the cell periphery; msc3 mutants are defective in directing meiotic recombination events to homologous chromatids; potential Cdc28p substrate 2826 S000004210 ORF Verified YLR220W CCC1 12 576827 577795 W Functions in the homeostasis of both calcium and manganese ions; Possible transmembrane Ca2+ transporter 2828 S000004211 ORF Verified YLR221C RSA3 12 579026 578364 C Protein with a likely role in ribosomal maturation, required for accumulation of wild-type levels of large (60S) ribosomal subunits; binds to the helicase Dbp6p in pre-60S ribosomal particles in the nucleolus 2830 S000004212 ORF Verified YLR222C UTP13 12 581773 579320 C Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 2832 S000028568 ORF Dubious YLR222C-A n.a. 12 582238 582008 C Identified by fungal homology and RT-PCR 2834 S000004213 ORF Verified YLR223C IFH1 12 585492 582235 C Essential protein with a highly acidic N-terminal domain; IFH1 exhibits genetic interactions with FHL1, overexpression interferes with silencing at telomeres and HM loci; potential Cdc28p substrate 2836 S000004214 ORF Uncharacterized YLR224W n.a. 12 586466 587575 W Hypothetical protein 2838 S000004215 ORF Uncharacterized YLR225C n.a. 12 588920 587697 C Hypothetical protein 2840 S000004216 ORF Verified YLR226W BUR2 12 589356 590543 W Cyclin for the Sgv1p (Bur1p) protein kinase; Sgv1p and Bur2p comprise a CDK-cyclin complex involved in transcriptional regulation through its phosphorylation of the carboxy-terminal domain of the largest subunit of RNA polymerase II 2842 S000004217 ORF Verified YLR227C ADY4 12 592045 590564 C Structural component of the meiotic outer plaque, which is a membrane-organizing center that assembles on the cytoplasmic face of the spindle pole body during meiosis II and triggers the formation of the prospore membrane 2844 S000006655 tRNA n.a. tL(UAG)L1 n.a. 12 592621 592521 C tRNA-Leu 2845 S000035002 intron n.a. n.a. n.a. 12 592583 592565 C n.a. 2860 S000004218 ORF Verified YLR228C ECM22 12 602465 600021 C Sterol regulatory element binding protein, regulates transcription of the sterol biosynthetic genes ERG2 and ERG3; member of the fungus-specific Zn[2]-Cys[6] binuclear cluster family of transcription factors; homologous to Upc2p 2862 S000004220 ORF Dubious YLR230W n.a. 12 604576 604881 W Protein required for cell viability 2864 S000004219 ORF Verified YLR229C CDC42 12 604789 604214 C Small rho-like GTPase, essential for establishment and maintenance of cell polarity; mutants have defects in the organization of actin and septins 2866 S000006614 tRNA n.a. tI(UAU)L n.a. 12 605434 605302 C tRNA-Ile 2867 S000035162 intron n.a. n.a. n.a. 12 605397 605338 C n.a. 2870 S000004222 ORF Dubious YLR232W n.a. 12 606832 607179 W Hypothetical protein 2872 S000004221 ORF Verified YLR231C BNA5 12 607121 605760 C Kynureninase, required for biosynthesis of nicotinic acid from tryptophan via kynurenine pathway 2874 S000004223 ORF Verified YLR233C EST1 12 609526 607427 C TLC1 RNA-associated factor involved in telomere length regulation as the recruitment subunit of the telomerase holoenzyme, has a possible role in activating Est2p-TLC1-RNA bound to the telomere 2876 S000004224 ORF Verified YLR234W TOP3 12 609785 611755 W DNA Topoisomerase III, conserved protein that functions in a complex with Sgs1p and Rmi1p to relax single-stranded negatively-supercoiled DNA preferentially, involved in telomere stability and regulation of mitotic recombination 2878 S000004225 ORF Dubious YLR235C n.a. 12 611932 611534 C Involved in meiotic nuclear division. 2880 S000004226 ORF Dubious YLR236C n.a. 12 612119 611796 C Hypothetical protein 2882 S000004227 ORF Verified YLR237W THI7 12 612369 614165 W Plasma membrane transporter responsible for the uptake of thiamine, member of the major facilitator superfamily of transporters; mutation of human ortholog causes thiamine-responsive megaloblastic anemia 2884 S000004228 ORF Verified YLR238W FAR10 12 614757 616193 W Protein involved in G1 cell cycle arrest in response to pheromone, in a pathway different from the Far1p-dependent pathway; interacts with Far3p, Far7p, Far8p, Far9p, and Far11p; potential Cdc28p substrate 2886 S000004229 ORF Verified YLR239C LIP2 12 617320 616334 C Lipoyl ligase, involved in the modification of mitochondrial enzymes by the attachment of lipoic acid groups 2888 S000004230 ORF Verified YLR240W VPS34 12 617535 620162 W Phosphatidylinositol 3-kinase responsible for the synthesis of phosphatidylinositol 3-phosphate; forms membrane-associated signal transduction complex with Vps15p to regulate protein sorting; similar to p110 subunit of mammalian PI 3-kinase 2890 S000004231 ORF Uncharacterized YLR241W n.a. 12 620475 622823 W Hypothetical protein 2892 S000004232 ORF Verified YLR242C ARV1 12 623885 622920 C Protein required for normal intracellular sterol distribution and for sphingolipid metabolism; similar to Nup120p and C. elegans R05H5.5 protein 2894 S000004233 ORF Uncharacterized YLR243W n.a. 12 624205 625023 W Protein required for cell viability 2896 S000004234 ORF Verified YLR244C MAP1 12 626333 625170 C Methionine aminopeptidase, catalyzes the cotranslational removal of N-terminal methionine from nascent polypeptides; function is partially redundant with that of Map2p 2898 S000004235 ORF Verified YLR245C CDD1 12 626932 626504 C Cytidine deaminase; catalyzes the modification of cytidine to uridine in vitro but native RNA substrates have not been identified, localizes to both the nucleus and cytoplasm 2900 S000004236 ORF Verified YLR246W ERF2 12 627120 628199 W Subunit of a palmitoyltransferase, composed of Erf2p and Shr5p, that adds a palmitoyl lipid moiety to Ras2p through a thioester linkage; mutants partially mislocalize Ras2p to the vacuole 2902 S000006643 tRNA n.a. tL(CAA)L n.a. 12 628385 628499 W tRNA-Leu 2903 S000033796 intron n.a. n.a. n.a. 12 628423 628455 W n.a. 2906 S000004237 ORF Uncharacterized YLR247C n.a. 12 633356 628686 C Hypothetical protein 2908 S000004238 ORF Verified YLR248W RCK2 12 634254 636086 W Protein kinase involved in the response to oxidative and osmotic stress; identified as suppressor of S. pombe cell cycle checkpoint mutations 2910 S000004239 ORF Verified YLR249W YEF3 12 636782 639916 W Translational elongation factor, stimulates the binding of aminoacyl-tRNA (AA-tRNA) to ribosomes by releasing EF-1 alpha from the ribosomal complex; contains two ABC cassettes; binds and hydrolyses ATP 2912 S000004240 ORF Verified YLR250W SSP120 12 640319 641023 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 2914 S000004241 ORF Uncharacterized YLR251W SYM1 12 641466 642059 W Protein required for ethanol metabolism; induced by heat shock and localized to the inner mitochondrial membrane; homologous to mammalian peroxisomal membrane protein Mpv17 2916 S000004242 ORF Dubious YLR252W n.a. 12 641959 642264 W Hypothetical protein 2918 S000004243 ORF Uncharacterized YLR253W n.a. 12 642629 644338 W Hypothetical protein 2920 S000004244 ORF Uncharacterized YLR254C NDL1 12 644975 644406 C homolog of nuclear distribution factor NudE, NUDEL 2922 S000004245 ORF Dubious YLR255C n.a. 12 645955 645602 C Hypothetical protein 2924 S000004246 ORF Verified YLR256W HAP1 12 646417 650925 W Heme-responsive zinc finger transcription factor of the Zn(2)-Cys(6) binuclear cluster domain type; redox sensing regulator of gene expression (activates CYC1, CYC7, CYP3, CYB2, CTT1, COR2, ROX1, ERG9, ERG11, SOD2 and YHB1; represses HEM13) 2931 S000006517 tRNA n.a. tA(AGC)L n.a. 12 657008 656936 C tRNA-Ala 2935 S000004247 ORF Uncharacterized YLR257W n.a. 12 658828 659793 W Hypothetical protein 2937 S000004248 ORF Verified YLR258W GSY2 12 660718 662835 W Glycogen synthase, similar to Gsy1p; expression induced by glucose limitation, nitrogen starvation, heat shock, and stationary phase; activity regulated by cAMP-dependent, Snf1p and Pho85p kinases as well as by the Gac1p-Glc7p phosphatase 2939 S000004249 ORF Verified YLR259C HSP60 12 665004 663286 C Tetradecameric mitochondrial chaperonin required for ATP-dependent folding of precursor polypeptides and complex assembly; prevents aggregation and mediates protein refolding after heat shock; role in mtDNA transmission; similarity to groEL 2941 S000004250 ORF Verified YLR260W LCB5 12 665846 667909 W Minor sphingoid long-chain base kinase, paralog of Lcb4p responsible for few percent of the total activity, possibly involved in synthesis of long-chain base phosphates, which function as signaling molecules 2943 S000004251 ORF Dubious YLR261C VPS63 12 668565 668239 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 98% of ORF overlaps the verified gene YPT6; deletion causes a vacuolar protein sorting defect 2945 S000004252 ORF Verified YLR262C YPT6 12 668893 668246 C Ras-like GTP binding protein involved in the secretory pathway, required for fusion of endosome-derived vesicles with the late Golgi; has similarity to the human GTPase, Rab6 2947 S000007246 ORF Uncharacterized YLR262C-A n.a. 12 669664 669470 C Similar to C. elegans protein 2949 S000004253 ORF Verified YLR263W RED1 12 670342 672825 W Protein involved in chromosome segregation during the first meiotic division; component of the axial elements of the synaptonemal complex; interacts with Hop1p; required for wild-type levels of Mek1p kinase activity 2951 S000004254 ORF Verified YLR264W RPS28B 12 673133 673336 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps28Bp and has similarity to rat S28 ribosomal protein 2953 S000028808 ORF Uncharacterized YLR264C-A n.a. 12 673946 673830 C Identified by SAGE 2955 S000004255 ORF Verified YLR265C NEJ1 12 675457 674429 C Protein involved in regulation of nonhomologous end joining; repressed by MAT heterozygosity; associates with Lif1p and regulates its cellular distribution 2957 S000004256 ORF Verified YLR266C PDR8 12 677726 675621 C Transcription factor; targets include ATP-binding cassette (ABC) transporters, major facilitator superfamily transporters, and other genes involved in the pleiotropic drug resistance (PDR) phenomenon 2959 S000004257 ORF Uncharacterized YLR267W n.a. 12 678214 679926 W Protein of unknown function, overproduction suppresses a pam1 slv3 double null mutation 2961 S000004258 ORF Verified YLR268W SEC22 12 680202 680846 W R-SNARE protein; assembles into SNARE complex with Bet1p, Bos1p and Sed5p; cycles between the ER and Golgi complex; involved in anterograde and retrograde transport between the ER and Golgi; synaptobrevin homolog 2963 S000004260 ORF Verified YLR270W DCS1 12 681188 682240 W Non-essential hydrolase involved in mRNA decapping, may function in a feedback mechanism to regulate deadenylation, contains pyrophosphatase activity and a HIT (histidine triad) motif; interacts with neutral trehalase Nth1p 2965 S000004259 ORF Dubious YLR269C n.a. 12 681218 680868 C Hypothetical protein 2967 S000004261 ORF Uncharacterized YLR271W n.a. 12 682739 683563 W Hypothetical protein 2969 S000004262 ORF Verified YLR272C YCS4 12 687204 683674 C Protein required for accurate sister chromatid segregation 2971 S000006762 tRNA n.a. tV(AAC)L n.a. 12 687934 687861 C tRNA-Val 2975 S000004263 ORF Verified YLR273C PIG1 12 691031 689085 C Putative type 1 phosphatase regulatory subunit; interacts with Gsy2p; similar to Gac1p 2977 S000004264 ORF Verified YLR274W CDC46 12 691557 693884 W Component of the hexameric MCM complex, which is important for priming origins of DNA replication in G1 and becomes an active ATP-dependent helicase that promotes DNA melting and elongation when activated by Cdc7p-Dbf4p in S-phase 2979 S000004265 ORF Verified YLR275W SMD2 12 694380 694802 W U1 snRNP protein of the Sm class 2982 S000030098 intron n.a. n.a. n.a. 12 694385 694474 W n.a. 2983 S000004266 ORF Verified YLR276C DBP9 12 696832 695048 C ATP-dependent RNA helicase of the DEAD-box family involved in biogenesis of the 60S ribosomal subunit 2985 S000004267 ORF Verified YLR277C YSH1 12 699497 697158 C Putative endonuclease, subunit of the mRNA cleavage and polyadenylation specificity complex required for 3' processing of mRNAs 2987 S000004268 ORF Uncharacterized YLR278C n.a. 12 704026 700001 C Protein of unknown function, localizes to the nucleus; potential Cdc28p substrate 2989 S000004269 ORF Dubious YLR279W n.a. 12 704311 704700 W Hypothetical protein 2991 S000004270 ORF Dubious YLR280C n.a. 12 704835 704485 C Hypothetical protein 2993 S000004271 ORF Uncharacterized YLR281C n.a. 12 704962 704495 C Hypothetical protein 2995 S000004273 ORF Uncharacterized YLR283W n.a. 12 705188 706132 W Hypothetical protein 2997 S000004272 ORF Dubious YLR282C n.a. 12 705414 705073 C Hypothetical protein 2999 S000004274 ORF Verified YLR284C ECI1 12 707042 706200 C Peroxisomal delta3,delta2-enoyl-CoA isomerase, hexameric protein that converts 3-hexenoyl-CoA to trans-2-hexenoyl-CoA, essential for the beta-oxidation of unsaturated fatty acids, oleate-induced 3001 S000004275 ORF Verified YLR285W NNT1 12 707362 708147 W Putative nicotinamide N-methyltransferase, has a role in rDNA silencing and in lifespan determination 3003 S000028569 ORF Uncharacterized YLR285C-A n.a. 12 708340 708170 C Identified by fungal homology and RT-PCR 3005 S000028679 ORF Dubious YLR286W-A n.a. 12 708564 708698 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3007 S000004276 ORF Verified YLR286C CTS1 12 710138 708450 C Endochitinase, required for cell separation after mitosis; transcriptional activation during late G and early M cell cycle phases is mediated by transcription factor Ace2p 3009 S000004277 ORF Uncharacterized YLR287C n.a. 12 712060 710993 C Hypothetical protein 3011 S000004278 ORF Verified YLR287C-A RPS30A 12 713160 712539 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps30Bp and has similarity to rat S30 ribosomal protein 3014 S000030933 intron n.a. n.a. n.a. 12 713157 712728 C n.a. 3015 S000004279 ORF Verified YLR288C MEC3 12 714906 713482 C DNA damage and meiotic pachytene checkpoint protein; subunit of a heterotrimeric complex (Rad17p-Mec3p-Ddc1p) that forms a sliding clamp, loaded onto partial duplex DNA by a clamp loader complex; homolog of human and S. pombe Hus1 3017 S000004280 ORF Verified YLR289W GUF1 12 715091 717028 W Mitochondrial GTPase of unknown function, similar to E. coli elongation factor-type GTP-binding protein LepA and to LK1236.1 from Caenorhabditis elegans 3019 S000004281 ORF Uncharacterized YLR290C n.a. 12 717980 717147 C Hypothetical protein 3021 S000004282 ORF Verified YLR291C GCD7 12 719464 718319 C Beta subunit of the translation initiation factor eIF2B, the guanine-nucleotide exchange factor for eIF2; activity subsequently regulated by phosphorylated eIF2; first identified as a negative regulator of GCN4 expression 3023 S000004283 ORF Verified YLR292C SEC72 12 720372 719791 C Non-essential subunit of Sec63 complex (Sec63p, Sec62p, Sec66p and Sec72p); with Sec61 complex, Kar2p/BiP and Lhs1p forms a channel competent for SRP-dependent and post-translational SRP-independent protein targeting and import into the ER 3025 S000004284 ORF Verified YLR293C GSP1 12 721432 720773 C GTP binding protein (mammalian Ranp homolog) involved in the maintenance of nuclear organization, RNA processing and transport; regulated by Prp20p, Rna1p, Yrb1p, Yrb2p, Yrp4p, Yrb30p, Cse1p and Kap95p; yeast Gsp2p homolog 3027 S000004285 ORF Dubious YLR294C n.a. 12 722032 721703 C Hypothetical protein 3029 S000004286 ORF Verified YLR295C ATP14 12 722375 722001 C Subunit h of the F0 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 3031 S000004287 ORF Dubious YLR296W n.a. 12 722980 723306 W Hypothetical protein 3033 S000004288 ORF Uncharacterized YLR297W n.a. 12 724046 724435 W Hypothetical protein 3035 S000004289 ORF Verified YLR298C YHC1 12 725418 724723 C Component of the U1 snRNP complex required for pre-mRNA splicing; putative ortholog of human U1C protein, which is involved in formation of a complex between U1 snRNP and the pre-mRNA 5' splice site 3037 S000004290 ORF Verified YLR299W ECM38 12 726071 728053 W Gamma-glutamyltranspeptidase, major glutathione-degrading enzyme; expression induced mainly by nitrogen starvation 3039 S000028680 ORF Dubious YLR299C-A n.a. 12 728005 727913 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3041 S000004291 ORF Verified YLR300W EXG1 12 728957 730303 W Major exo-1,3-beta-glucanase of the cell wall, involved in cell wall beta-glucan assembly; exists as three differentially glycosylated isoenzymes 3043 S000004292 ORF Uncharacterized YLR301W n.a. 12 730827 731561 W Hypothetical protein 3046 S000006656 tRNA n.a. tL(UAG)L2 n.a. 12 732092 732192 W tRNA-Leu 3047 S000035006 intron n.a. n.a. n.a. 12 732130 732148 W n.a. 3050 S000004294 ORF Verified YLR303W MET17 12 732544 733878 W O-acetyl homoserine-O-acetyl serine sulfhydrylase, required for sulfur amino acid synthesis 3052 S000004293 ORF Dubious YLR302C n.a. 12 732555 732193 C Hypothetical protein 3055 S000006607 tRNA n.a. tI(AAU)L1 n.a. 12 734804 734877 W tRNA-Ile 3057 S000004295 ORF Verified YLR304C ACO1 12 737550 735214 C Aconitase, required for the tricarboxylic acid (TCA) cycle and also independently required for mitochondrial genome maintenance; component of the mitochondrial nucleoid; mutation leads to glutamate auxotrophy 3059 S000004296 ORF Verified YLR305C STT4 12 743865 738163 C Phosphatidylinositol-4-kinase that functions in the Pkc1p protein kinase pathway; required for normal vacuole morphology, cell wall integrity, and actin cytoskeleton organization 3061 S000004297 ORF Verified YLR306W UBC12 12 744153 744853 W Enzyme that mediates the conjugation of Rub1p, a ubiquitin-like protein, to other proteins; related to E2 ubiquitin-conjugating enzymes 3064 S000031520 intron n.a. n.a. n.a. 12 744156 744289 W n.a. 3065 S000004298 ORF Verified YLR307W CDA1 12 745622 746527 W Chitin deacetylase, together with Cda2p involved in the biosynthesis ascospore wall component, chitosan; required for proper rigidity of the ascospore wall 3067 S000028525 ORF Uncharacterized YLR307C-A n.a. 12 747113 746850 C Identified by homology to Ashbya gossypii 3069 S000004299 ORF Verified YLR308W CDA2 12 747939 748877 W Chitin deacetylase, together with Cda1p involved in the biosynthesis ascospore wall component, chitosan; required for proper rigidity of the ascospore wall 3071 S000004300 ORF Verified YLR309C IMH1 12 751771 749036 C Protein involved in vesicular transport, mediates transport between an endosomal compartment and the Golgi, contains a Golgi-localization (GRIP) domain that interacts with activated Arl1p-GTP to localize Imh1p to the Golgi 3073 S000004301 ORF Verified YLR310C CDC25 12 756995 752226 C Membrane bound guanine nucleotide exchange factor (GEF or GDP-release factor); indirectly regulates adenylate cyclase through activation of Ras1p and Ras2p by stimulating the exchange of GDP for GTP; required for progression through G1 3075 S000004302 ORF Dubious YLR311C n.a. 12 757614 757267 C Hypothetical protein 3077 S000004303 ORF Uncharacterized YLR312C n.a. 12 758835 757639 C Hypothetical protein 3079 S000004304 ORF Verified YLR312W-A MRPL15 12 759385 760243 W Mitochondrial ribosomal protein of the large subunit 3082 S000037405 intron n.a. n.a. n.a. 12 759413 759566 W n.a. 3083 S000028570 ORF Uncharacterized YLR312C-B n.a. 12 760644 760357 C Identified by fungal homology and RT-PCR 3085 S000004305 ORF Verified YLR313C SPH1 12 762342 760357 C Protein involved in shmoo formation and bipolar bud site selection; homologous to Spa2p, localizes to sites of polarized growth in a cell cycle dependent- and Spa2p-dependent manner, interacts with MAPKKs Mkk1p, Mkk2p, and Ste7p 3087 S000004306 ORF Verified YLR314C CDC3 12 764137 762575 C Component of the septin ring of the mother-bud neck that is required for cytokinesis; septins recruit proteins to the neck and can act as a barrier to diffusion at the membrane, and they comprise the 10nm filaments seen with EM 3089 S000004307 ORF Verified YLR315W NKP2 12 764808 765269 W Non-essential kinetochore protein, subunit of the Ctf19 central kinetochore complex (Ctf19p-Mcm21p-Okp1p-Mcm22p-Mcm16p-Ctf3p-Chl4p-Mcm19p-Nkp1p-Nkp2p-Ame1p-Mtw1p) 3091 S000004309 ORF Dubious YLR317W n.a. 12 765655 766089 W Dubious ORF, may be part of a bicistronic transcript with NKP2 3093 S000004308 ORF Verified YLR316C TAD3 12 766358 765266 C Subunit of tRNA-specific adenosine-34 deaminase, forms a heterodimer with Tad3p that converts adenosine to inosine at the wobble position of several tRNAs 3097 S000035751 intron n.a. n.a. n.a. 12 766129 766074 C n.a. 3098 S000035750 intron n.a. n.a. n.a. 12 766249 766182 C n.a. 3099 S000004310 ORF Verified YLR318W EST2 12 766542 769196 W Reverse transcriptase subunit of the telomerase holoenzyme, essential for telomerase core catalytic activity, involved in other aspects of telomerase assembly and function; mutations in human homolog are associated with aplastic anemia 3101 S000004311 ORF Verified YLR319C BUD6 12 771684 769318 C Actin- and formin-interacting protein, involved in actin cable nucleation and polarized cell growth; isolated as bipolar budding mutant; potential Cdc28p substrate 3103 S000004312 ORF Verified YLR320W MMS22 12 771940 776304 W Protein involved in resistance to ionizing radiation; acts with Mms1p in a repair pathway that may be involved in resolving replication intermediates or preventing the damage caused by blocked replication forks 3105 S000004314 ORF Dubious YLR322W VPS65 12 777628 777942 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 75% of ORF overlaps the verified gene SFH1; deletion causes a vacuolar protein sorting defect 3107 S000004313 ORF Verified YLR321C SFH1 12 777864 776584 C Subunit of the RSC chromatin remodeling complex required for kinetochore function in chromosome segregation; essential gene required for cell cycle progression; phosphorylated in the G1 phase of the cell cycle; Snf5p paralog 3109 S000004315 ORF Verified YLR323C CWC24 12 778952 778173 C Essential protein, component of a complex containing Cef1p; has similarity to S. pombe Cwf24p 3111 S000004316 ORF Verified YLR324W PEX30 12 779215 780786 W Peroxisomal integral membrane protein, involved in negative regulation of peroxisome number; partially functionally redundant with Pex31p; genetic interactions suggest action at a step downstream of steps mediated by Pex28p and Pex29p 3113 S000004317 ORF Verified YLR325C RPL38 12 781379 781143 C Protein component of the large (60S) ribosomal subunit, has similarity to rat L38 ribosomal protein 3115 S000004318 ORF Uncharacterized YLR326W n.a. 12 782174 782896 W Hypothetical protein 3117 S000004319 ORF Uncharacterized YLR327C n.a. 12 783387 783127 C Hypothetical protein 3119 S000006732 tRNA n.a. tS(GCU)L n.a. 12 784354 784453 W tRNA-Ser 3120 S000037471 intron n.a. n.a. n.a. 12 784390 784409 W n.a. 3123 S000004320 ORF Verified YLR328W NMA1 12 784913 786118 W Nicotinic acid mononucleotide adenylyltransferase, involved in NAD(+) salvage pathway 3125 S000004321 ORF Verified YLR329W REC102 12 786731 787333 W Protein involved in early stages of meiotic recombination; required for chromosome synapsis; forms a complex with Rec104p and Spo11p necessary during the initiation of recombination 3127 S000004322 ORF Verified YLR330W CHS5 12 787664 789679 W Protein of unknown function, involved in chitin biosynthesis by regulating Chs3p localization, also involved in cell fusion during mating 3129 S000004324 ORF Verified YLR332W MID2 12 790676 791806 W O-glycosylated plasma membrane protein that acts as a sensor for cell wall integrity signaling and activates the pathway; interacts with Rom2p, a guanine nucleotide exchange factor for Rho1p, and with cell integrity pathway protein Zeo1p 3131 S000004323 ORF Dubious YLR331C n.a. 12 791046 790669 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 98% of ORF overlaps the verified gene MID2 3134 S000006542 tRNA n.a. tD(GUC)L2 n.a. 12 793918 793989 W tRNA-Asp 3136 S000006452 snoRNA n.a. snR61 SNR61 12 794575 794486 C guides 2'-O-methylation on large subunit rRNA at A1131; small nucleolar RNA snR61 3138 S000006446 snoRNA n.a. snR55 SNR55 12 794794 794697 C guides 2'-O-methylation on small subunit rRNA at U1267; small nucleolar RNA snR55 3140 S000006448 snoRNA n.a. snR57 SNR57 12 795024 794937 C guides 2'-O-methylation on small subunit rRNA at G1571; small nucleolar RNA snR57 3142 S000004325 ORF Verified YLR333C RPS25B 12 795899 795573 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps25Ap and has similarity to rat S25 ribosomal protein 3145 S000004326 ORF Dubious YLR334C n.a. 12 797078 796698 C Hypothetical protein 3147 S000006559 tRNA n.a. tE(UUC)L n.a. 12 797178 797249 W tRNA-Glu 3149 S000004327 ORF Verified YLR335W NUP2 12 797430 799592 W Protein involved in nucleocytoplasmic transport, binds to either the nucleoplasmic or cytoplasmic faces of the nuclear pore complex depending on Ran-GTP levels; also has a role in chromatin organization 3151 S000004328 ORF Verified YLR336C SGD1 12 802396 799697 C Essential nuclear protein with a possible role in the osmoregulatory glycerol response; interacts with phospholipase C (Plc1p); putative homolog of human NOM1 which is implicated in acute myeloid leukemia 3153 S000004330 ORF Dubious YLR338W n.a. 12 804346 805203 W Hypothetical protein 3155 S000004329 ORF Verified YLR337C VRP1 12 805106 802653 C Proline-rich, actin-associated protein involved in cytoskeletal organization and cytokinesis; related to mammalian Wiskott-Aldrich syndrome protein (WASP)-interacting protein (WIP) 3157 S000004332 ORF Verified YLR340W RPP0 12 805887 806825 W Conserved ribosomal protein P0 similar to rat P0, human P0, and E. coli L10e; shown to be phosphorylated on serine 302 3159 S000004331 ORF Dubious YLR339C n.a. 12 806335 805784 C Protein required for cell viability 3161 S000004333 ORF Verified YLR341W SPO77 12 807385 808818 W Meiosis-specific protein of unknown function, required for spore wall formation during sporulation; dispensable for both nuclear divisions during meiosis 3163 S000004334 ORF Verified YLR342W FKS1 12 809997 815627 W Catalytic subunit of 1,3-beta-D-glucan synthase, functionally redundant with alternate catalytic subunit Gsc2p; binds to regulatory subunit Rho1p; involved in cell wall synthesis and maintenance; localizes to sites of cell wall remodeling 3165 S000028571 ORF Uncharacterized YLR342W-A n.a. 12 815810 815983 W Identified by fungal homology and RT-PCR 3167 S000004335 ORF Uncharacterized YLR343W GAS2 12 816094 817761 W Putative 1,3-beta-glucanosyltransferase, has similarity to Gas1p 3170 S000006706 tRNA n.a. tR(CCG)L TRR4 12 818609 818680 W tRNA Arg Four; tRNA-Arg 3172 S000004336 ORF Verified YLR344W RPL26A 12 819312 820142 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl26Bp and has similarity to E. coli L24 and rat L26 ribosomal proteins; binds to 5.8S rRNA 3175 S000037240 intron n.a. n.a. n.a. 12 819331 819777 W n.a. 3176 S000004337 ORF Uncharacterized YLR345W n.a. 12 820511 822040 W Hypothetical protein 3178 S000004338 ORF Uncharacterized YLR346C n.a. 12 822592 822287 C Protein of unknown function; expression regulated by PDR1 3180 S000028681 ORF Dubious YLR347W-A n.a. 12 824788 824928 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3182 S000004339 ORF Verified YLR347C KAP95 12 826412 823827 C Karyopherin beta, forms a dimeric complex with Srp1p (Kap60p) that mediates nuclear import of cargo proteins via a nuclear localization signal (NLS), interacts with nucleoporins to guide transport across the nuclear pore complex 3184 S000004341 ORF Dubious YLR349W n.a. 12 827520 828026 W Hypothetical protein 3186 S000004340 ORF Verified YLR348C DIC1 12 827872 826976 C Mitochondrial dicarboxylate carrier, integral membrane protein, catalyzes a dicarboxylate-phosphate exchange across the inner mitochondrial membrane, transports cytoplasmic dicarboxylates into the mitochondrial matrix 3188 S000004342 ORF Verified YLR350W ORM2 12 828729 829379 W Evolutionarily conserved protein with similarity to Orm1p, required for resistance to agents that induce the unfolded protein response; human ortholog is located in the endoplasmic reticulum 3190 S000004343 ORF Verified YLR351C NIT3 12 830363 829488 C Nit protein, one of two proteins in S. cerevisiae with similarity to the Nit domain of NitFhit from fly and worm and to the mouse and human Nit protein which interacts with the Fhit tumor suppressor; nitrilase superfamily member 3192 S000004344 ORF Uncharacterized YLR352W n.a. 12 831115 833538 W Hypothetical protein 3194 S000004345 ORF Verified YLR353W BUD8 12 834351 836162 W Protein involved in bud-site selection; diploid mutants display a unipolar budding pattern instead of the wild-type bipolar pattern, and bud at the proximal pole 3196 S000004346 ORF Verified YLR354C TAL1 12 837356 836349 C Transaldolase, enzyme in the non-oxidative pentose phosphate pathway; converts sedoheptulose 7-phosphate and glyceraldehyde 3-phosphate to erythrose 4-phosphate and fructose 6-phosphate 3198 S000004347 ORF Verified YLR355C ILV5 12 839252 838065 C Acetohydroxyacid reductoisomerase, mitochondrial protein involved in branched-chain amino acid biosynthesis, also required for maintenance of wild-type mitochondrial DNA 3200 S000004348 ORF Uncharacterized YLR356W n.a. 12 840320 840913 W Hypothetical protein 3202 S000004349 ORF Verified YLR357W RSC2 12 841330 843999 W One of 15 subunits of the 'Remodel the Structure of Chromatin' (RSC) complex; required for expression of mid-late sporulation-specific genes; contains two essential bromodomains, a bromo-adjacent homology (BAH) domain, and an AT hook 3204 S000004350 ORF Dubious YLR358C n.a. 12 844049 843486 C Hypothetical protein 3206 S000004351 ORF Verified YLR359W ADE13 12 844281 845729 W Adenylosuccinate lyase, catalyzes two steps in the 'de novo' purine nucleotide biosynthetic pathway 3208 S000004352 ORF Verified YLR360W VPS38 12 846102 847421 W Part of a Vps34p phosphatidylinositol 3-kinase complex that functions in carboxypeptidase Y (CPY) sorting; binds Vps30p and Vps34p to promote production of phosphatidylinositol 3-phosphate (PtdIns3P) which stimulates kinase activity 3210 S000004353 ORF Uncharacterized YLR361C n.a. 12 849123 847387 C Protein involved in cell cycle regulation 3212 S000028845 ORF Uncharacterized YLR361C-A n.a. 12 849678 849382 C Identified by expression profiling and mass spectrometry 3214 S000004354 ORF Verified YLR362W STE11 12 849865 852018 W Signal transducing MEK kinase involved in pheromone response and pseudohyphal/invasive growth pathways, where it phosphorylates Ste7p, and the high osmolarity response pathway, via phosphorylation of Pbs2p; regulated by Ste20p and Ste50p 3216 S000004355 ORF Verified YLR363C NMD4 12 853150 852494 C Protein interacting with Nam7p, may be involved in the nonsense-mediated mRNA decay pathway 3218 S000007620 ORF Uncharacterized YLR363W-A n.a. 12 853460 853717 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 3220 S000004356 ORF Uncharacterized YLR364W n.a. 12 854061 854390 W Hypothetical protein 3222 S000004357 ORF Dubious YLR365W n.a. 12 855198 855530 W Hypothetical protein 3224 S000004358 ORF Dubious YLR366W n.a. 12 855537 855842 W Hypothetical protein 3226 S000028846 ORF Dubious YLR364C-A n.a. 12 855644 855522 C Identified by expression profiling and mass spectrometry 3228 S000004359 ORF Verified YLR367W RPS22B 12 856441 857316 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps22Ap and has similarity to E. coli S8 and rat S15a ribosomal proteins 3231 S000037775 intron n.a. n.a. n.a. 12 856574 857056 W n.a. 3232 S000006504 snoRNA n.a. snR44 SNR44 12 856709 856919 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of small subunit rRNA at position 106 and of large subunit rRNA at position 1055 3234 S000004360 ORF Verified YLR368W MDM30 12 857539 859335 W F box protein, component of protein ubiquitin ligases; promotes ubiquitin-mediated degradation of Gal4p; required for normal mitochondrial fusion 3236 S000004361 ORF Verified YLR369W SSQ1 12 859551 861524 W Mitochondrial hsp70-type molecular chaperone, required for assembly of iron/sulfur clusters into proteins at a step after cluster synthesis, and for maturation of Yfh1p, which is a homolog of human frataxin implicated in Friedreich's ataxia 3238 S000004362 ORF Verified YLR370C ARC18 12 862253 861717 C Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches 3240 S000004363 ORF Verified YLR371W ROM2 12 862713 866783 W GDP/GTP exchange protein (GEP) for Rho1p and Rho2p; mutations are synthetically lethal with mutations in rom1, which also encodes a GEP 3242 S000004364 ORF Verified YLR372W SUR4 12 867353 868390 W Elongase, involved in fatty acid and sphingolipid biosynthesis; synthesizes very long chain 20-26-carbon fatty acids from C18-CoA primers; involved in regulation of sphingolipid biosynthesis 3244 S000004365 ORF Verified YLR373C VID22 12 871366 868661 C Glycosylated integral membrane protein localized to the plasma membrane; plays a role in fructose-1,6-bisphosphatase (FBPase) degradation; involved in FBPase transport from the cytosol to Vid (vacuole import and degradation) vesicles 3246 S000004367 ORF Uncharacterized YLR375W n.a. 12 871696 872727 W Protein involved in pre-tRNA splicing and in uptake of branched-chain amino acids 3248 S000004366 ORF Dubious YLR374C n.a. 12 871841 871452 C Hypothetical protein 3250 S000004368 ORF Uncharacterized YLR376C PSY3 12 873553 872825 C Protein of unknown function; deletion results in a mutator phenotype suggesting a role for this protein as a mutational suppressor; deletion increases sensitivity to anticancer drugs oxaliplatin and cisplatin but not mitomycin C 3252 S000004369 ORF Verified YLR377C FBP1 12 874791 873745 C Fructose-1,6-bisphosphatase, key regulatory enzyme in the gluconeogenesis pathway, required for glucose metabolism 3254 S000006633 tRNA n.a. tK(UUU)L n.a. 12 875375 875470 W tRNA-Lys 3255 S000034214 intron n.a. n.a. n.a. 12 875412 875434 W n.a. 3258 S000004371 ORF Dubious YLR379W n.a. 12 876921 877295 W Protein required for cell viability 3260 S000004370 ORF Verified YLR378C SEC61 12 877177 875735 C Essential subunit of Sec61 complex (Sec61p, Sbh1p, and Sss1p); forms a channel for SRP-dependent protein import and retrograde transport of misfolded proteins out of the ER; with Sec63 complex allows SRP-independent protein import into ER 3262 S000004372 ORF Verified YLR380W CSR1 12 878282 879508 W Phosphatidylinositol transfer protein with a potential role in lipid turnover; interacts specifically with thioredoxin peroxidase (Tsa2p) and may have a role in oxidative stress resistance 3264 S000004373 ORF Verified YLR381W CTF3 12 879723 881924 W Outer kinetochore protein that forms a complex with Mcm16p and Mcm22p; may bind the kinetochore to spindle microtubules 3266 S000004374 ORF Verified YLR382C NAM2 12 884751 882067 C Mitochondrial leucyl-tRNA synthetase, also has a direct role in splicing of several mitochondrial group I introns; indirectly required for mitochondrial genome maintenance 3268 S000004375 ORF Verified YLR383W SMC6 12 885288 888632 W Protein involved in structural maintenance of chromosomes; required for interchromosomal and sister chromatid recombination; homologous to S. pombe rad18 3270 S000004376 ORF Verified YLR384C IKI3 12 892900 888851 C Subunit of RNA polymerase II elongator histone acetyltransferase complex, involved in maintaining its structural integrity; negatively regulates exocytosis independent of transcription, homolog of human familial dysautonomia (FD) protein 3272 S000004377 ORF Verified YLR385C SWC7 12 893390 892992 C Protein of unknown function, component of the Swr1p complex that incorporates Htz1p into chromatin 3274 S000004378 ORF Verified YLR386W VAC14 12 893628 896270 W Protein involved in regulated synthesis of PtdIns(3,5)P(2), in control of trafficking of some proteins to the vacuole lumen via the MVB, and in maintenance of vacuole size and acidity; activator of Fab1p 3276 S000004379 ORF Verified YLR387C REH1 12 897672 896374 C Protein of unknown function, similar to Rei1p but not involved in bud growth; contains dispersed C2H2 zinc finger domains 3278 S000004380 ORF Verified YLR388W RPS29A 12 898651 898821 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps29Bp and has similarity to rat S29 and E. coli S14 ribosomal proteins 3280 S000006500 snoRNA n.a. snR34 SNR34 12 898987 899536 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at positions 2876 and 2822 3282 S000004381 ORF Verified YLR389C STE23 12 902660 899577 C Metalloprotease involved, with homolog Axl1p, in N-terminal processing of pro-a-factor to the mature form; member of the insulin-degrading enzyme family 3284 S000004382 ORF Verified YLR390W ECM19 12 903066 903404 W Non-essential protein of unknown function 3286 S000006429 ORF Verified YLR390W-A CCW14 12 903724 904440 W Secretory Stress Response protein 3288 S000004384 ORF Uncharacterized YLR392C n.a. 12 906305 904749 C Hypothetical protein 3290 S000004385 ORF Verified YLR393W ATP10 12 907079 907918 W Mitochondrial inner membrane protein required for assembly of the F0 sector of mitochondrial F1F0 ATP synthase, interacts genetically with ATP6 3292 S000004386 ORF Verified YLR394W CST9 12 907950 909398 W Protein required for synaptonemal complex formation, may have a role in meiotic recombination; localizes to synapsis initiation sites on meiotic chromosomes; potential Cdc28p substrate 3294 S000004387 ORF Verified YLR395C COX8 12 909965 909729 C Subunit VIII of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain 3296 S000004388 ORF Verified YLR396C VPS33 12 912310 910235 C ATP-binding protein that is a subunit of the homotypic vacuole fusion and vacuole protein sorting (HOPS) complex; essential for membrane docking and fusion at both the Golgi-to-endosome and endosome-to-vacuole stages of protein transport 3298 S000004389 ORF Verified YLR397C AFG2 12 914892 912550 C ATPase of the CDC48/PAS1/SEC18 (AAA) family, forms a hexameric complex; may be involved in degradation of aberrant mRNAs 3300 S000004390 ORF Verified YLR398C SKI2 12 919019 915156 C Putative RNA helicase, involved in exosome mediated 3' to 5' mRNA degradation and translation inhibition of non-poly(A) mRNAs; forms complex with Ski3p and Ski8p; required for repressing propagation of dsRNA viruses 3302 S000028682 ORF Dubious YLR399W-A n.a. 12 920869 920973 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3304 S000004391 ORF Verified YLR399C BDF1 12 921596 919536 C Protein involved in transcription initiation at TATA-containing promoters; associates with the basal transcription factor TFIID; contains two bromodomains; corresponds to the C-terminal region of mammalian TAF1; redundant with Bdf2p 3306 S000004392 ORF Dubious YLR400W n.a. 12 922063 922536 W Hypothetical protein 3308 S000004393 ORF Uncharacterized YLR401C DUS3 12 924447 922618 C Dihydrouridine synthase, member of a widespread family of conserved proteins including Smm1p, Dus1p, and Dus4p; contains a consensus oleate response element (ORE) in its promoter region 3310 S000004394 ORF Dubious YLR402W n.a. 12 924563 925078 W Hypothetical protein 3312 S000004395 ORF Verified YLR403W SFP1 12 925566 927617 W Transcription factor that controls expression of many ribosome biogenesis genes in response to nutrients and stress, regulates G2/M transitions during mitotic cell cycle and DNA-damage response, involved in cell size modulation 3314 S000004396 ORF Uncharacterized YLR404W n.a. 12 928741 929598 W Hypothetical protein 3316 S000004397 ORF Uncharacterized YLR405W DUS4 12 929787 930890 W Dihydrouridine synthase, member of a widespread family of conserved proteins including Smm1p, Dus1p, and Dus3p 3318 S000004398 ORF Verified YLR406C RPL31B 12 931753 931063 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl31Ap and has similarity to rat L31 ribosomal protein; associates with the karyopherin Sxm1p 3321 S000034913 intron n.a. n.a. n.a. 12 931696 931348 C n.a. 3322 S000028683 ORF Uncharacterized YLR406C-A n.a. 12 932353 932204 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3324 S000004399 ORF Uncharacterized YLR407W n.a. 12 932965 933654 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 3326 S000004400 ORF Uncharacterized YLR408C n.a. 12 934250 933882 C Hypothetical protein 3328 S000004401 ORF Uncharacterized YLR409C UTP21 12 937230 934411 C Possible U3 snoRNP protein involved in maturation of pre-18S rRNA, based on computational analysis of large-scale protein-protein interaction data 3330 S000004402 ORF Verified YLR410W VIP1 12 937538 940978 W Protein of unknown function probably involved in the function of the cortical actin cytoskeleton; putative ortholog of S. pombe asp1+ 3341 S000004403 ORF Verified YLR411W CTR3 12 947250 947975 W High-affinity copper transporter of the plasma membrane, acts as a trimer; gene is disrupted by a Ty2 transposon insertion in many laboratory strains of S. cerevisiae 3343 S000004404 ORF Uncharacterized YLR412W n.a. 12 948365 949189 W Hypothetical protein 3345 S000028572 ORF Uncharacterized YLR412C-A n.a. 12 950469 950263 C Identified by fungal homology and RT-PCR 3347 S000004405 ORF Uncharacterized YLR413W n.a. 12 951152 953179 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 3349 S000004406 ORF Uncharacterized YLR414C n.a. 12 954140 953349 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, and bud 3351 S000004407 ORF Uncharacterized YLR415C n.a. 12 954593 954255 C Hypothetical protein 3353 S000004408 ORF Dubious YLR416C n.a. 12 954885 954487 C Hypothetical protein 3355 S000004409 ORF Verified YLR417W VPS36 12 955006 956706 W Component of the ESCRT-II complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome 3357 S000004410 ORF Verified YLR418C CDC73 12 958091 956910 C Substituent of the Paf1 complex together with RNA polymerase II, Paf1p, Hpr1p, Ctr9, Leo1, Rtf1 and Ccr4p, distinct from Srb-containing Pol II complexes; required for the expression of certain genes and modification of some histones 3359 S000004411 ORF Uncharacterized YLR419W n.a. 12 958424 962731 W Hypothetical protein 3361 S000006652 tRNA n.a. tL(UAA)L n.a. 12 963051 962968 C tRNA-Leu 3364 S000004412 ORF Verified YLR420W URA4 12 963781 964875 W Dihydrooratase, catalyzes the third enzymatic step in the de novo biosynthesis of pyrimidines, converting carbamoyl-L-aspartate into dihydroorotate 3366 S000004413 ORF Verified YLR421C RPN13 12 965556 965086 C Subunit of the 19S regulatory particle of the 26S proteasome lid 3368 S000004414 ORF Uncharacterized YLR422W n.a. 12 965893 971691 W Hypothetical protein 3370 S000004415 ORF Verified YLR423C ATG17 12 973166 971913 C Protein that interacts with and is required for activation of Apg1p protein kinase; involved in autophagy but not in the Cvt (cytoplasm to vacuole targeting) pathway 3372 S000004416 ORF Uncharacterized YLR424W n.a. 12 973391 975517 W Essential protein present in native splicing complexes; identified as a suppressor of prp38-1, a spliceosomal maturation mutation; cold sensitive alleles accumulate pre-mRNA 3374 S000006672 tRNA n.a. tN(GUU)L n.a. 12 976052 975979 C tRNA-Asn 3379 S000004417 ORF Verified YLR425W TUS1 12 982890 986813 W Guanine nucleotide exchange factor (GEF) that functions to modulate Rhop1 activity as part of the cell integrity signaling pathway; multicopy suppressor of tor2 mutation and ypk1 ypk2 double mutation; potential Cdc28p substrate 3381 S000004418 ORF Uncharacterized YLR426W n.a. 12 987058 988109 W Hypothetical protein 3384 S000033426 intron n.a. n.a. n.a. 12 987138 987208 W n.a. 3385 S000004419 ORF Uncharacterized YLR427W MAG2 12 988424 990436 W DNA-3-methyladenine glycosidase II that catalyzes of the hydrolysis of alkylated DNA 3387 S000004421 ORF Verified YLR429W CRN1 12 990773 992728 W Coronin, cortical actin cytoskeletal component that associates with the Arp2p/Arp3p complex to regulate its activity 3389 S000004420 ORF Dubious YLR428C n.a. 12 990957 990613 C Hypothetical protein 3391 S000004422 ORF Verified YLR430W SEN1 12 993430 1000125 W Nuclear protein, putative helicase required for processing of tRNAs, rRNAs, and small nuclear RNAs; potential Cdc28p substrate 3393 S000004423 ORF Verified YLR431C ATG23 12 1001699 1000338 C Peripheral membrane protein, required for autophagy and for the cytoplasm-to-vacuole targeting (Cvt) pathway 3395 S000004424 ORF Verified YLR432W IMD3 12 1002553 1004124 W Inosine monophosphate dehydrogenase, catalyzes the first step of GMP biosynthesis, member of a four-gene family in S. cerevisiae, constitutively expressed 3397 S000004425 ORF Verified YLR433C CNA1 12 1006004 1004343 C Calcineurin A; one isoform (the other is CMP2) of the catalytic subunit of calcineurin, a Ca++/calmodulin-regulated protein phosphatase which regulates Crz1p (a stress-response transcription factor), the other calcineurin subunit is CNB1 3399 S000004427 ORF Verified YLR435W TSR2 12 1006374 1006991 W Protein with a potential role in pre-rRNA processing 3401 S000004426 ORF Dubious YLR434C n.a. 12 1006404 1006021 C Protein of unknown function, mRNA is targeted to the bud via the mRNA transport system involving She2p 3403 S000004428 ORF Verified YLR436C ECM30 12 1011241 1007417 C Non-essential protein of unknown function 3405 S000004429 ORF Uncharacterized YLR437C n.a. 12 1012019 1011618 C Hypothetical protein 3407 S000004430 ORF Verified YLR438W CAR2 12 1012497 1013771 W L-ornithine transaminase (OTAse), catalyzes the second step of arginine degradation, expression is dually-regulated by allophanate induction and a specific arginine induction process; not nitrogen catabolite repression sensitive 3409 S000028684 ORF Dubious YLR437C-A n.a. 12 1012682 1012455 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3411 S000006434 ORF Verified YLR438C-A LSM3 12 1014174 1013905 C Component of small nuclear ribonucleoprotein complexes involved in RNA processing, splicing, and decay 3413 S000004431 ORF Verified YLR439W MRPL4 12 1014487 1015446 W Mitochondrial ribosomal protein of the large subunit 3415 S000004432 ORF Verified YLR440C SEC39 12 1017693 1015564 C Protein of unknown function proposed to be involved in protein secretion 3417 S000004433 ORF Verified YLR441C RPS1A 12 1018904 1018137 C Ribosomal protein 10 (rp10) of the small (40S) subunit; nearly identical to Rps1Bp and has similarity to rat S3a ribosomal protein 3419 S000004434 ORF Verified YLR442C SIR3 12 1022247 1019311 C Silencing protein that interacts with Sir2p and Sir4p, and histone H3 and H4 tails, to establish a transcriptionally silent chromatin state; required for spreading of silenced chromatin; recruited to chromatin through interaction with Rap1p 3421 S000004435 ORF Verified YLR443W ECM7 12 1022621 1023967 W Non-essential protein of unknown function 3423 S000004436 ORF Dubious YLR444C n.a. 12 1023984 1023682 C Hypothetical protein 3425 S000004437 ORF Uncharacterized YLR445W n.a. 12 1024185 1024833 W Hypothetical protein 3428 S000031806 intron n.a. n.a. n.a. 12 1024569 1024650 W n.a. 3429 S000004438 ORF Uncharacterized YLR446W n.a. 12 1025210 1026511 W Hypothetical protein 3431 S000004439 ORF Verified YLR447C VMA6 12 1027889 1026852 C Subunit D of the five-subunit V0 integral membrane domain of vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found in the endomembrane system; stabilizes VO subunits; required for V1 domain assembly on the vacuolar membrane 3433 S000004440 ORF Verified YLR448W RPL6B 12 1028849 1029763 W Protein component of the large (60S) ribosomal subunit, has similarity to Rpl6Bp and to rat L6 ribosomal protein; binds to 5.8S rRNA 3436 S000032932 intron n.a. n.a. n.a. 12 1028864 1029247 W n.a. 3437 S000004441 ORF Verified YLR449W FPR4 12 1030829 1032007 W Nuclear protein, putative peptidyl-prolyl cis-trans isomerase (PPIase) with similarity to Fpr3p; overproduction suppresses the growth defect resulting from the absence of E3 ubiquitin-protein ligase Tom1p 3439 S000004442 ORF Verified YLR450W HMG2 12 1032623 1035760 W One of two isozymes of HMG-CoA reductase that convert HMG-CoA to mevalonate, a rate-limiting step in sterol biosynthesis; overproduction induces assembly of peripheral ER membrane arrays and short nuclear-associated membrane stacks 3441 S000004443 ORF Verified YLR451W LEU3 12 1036089 1038749 W Zinc-finger transcription factor that regulates genes involved in branched chain amino acid biosynthesis and ammonia assimilation; positively regulated by alpha-isopropylmalate, an intermediate in leucine biosynthesis 3443 S000004444 ORF Verified YLR452C SST2 12 1041363 1039267 C GTPase-activating protein for Gpa1p, regulates desensitization to alpha factor pheromone; also required to prevent receptor-independent signaling of the mating pathway; member of the RGS (regulator of G-protein signaling) family 3445 S000004445 ORF Verified YLR453C RIF2 12 1042983 1041796 C Protein that binds to the Rap1p C-terminus and acts synergistically with Rif1p to help control telomere length and establish telomeric silencing; deletion results in telomere elongation 3447 S000004446 ORF Uncharacterized YLR454W n.a. 12 1043995 1051881 W The authentic, non-tagged protein was localized to the mitochondria 3449 S000006608 tRNA n.a. tI(AAU)L2 n.a. 12 1052141 1052068 C tRNA-Ile 3452 S000004447 ORF Uncharacterized YLR455W n.a. 12 1053626 1054540 W Hypothetical protein 3454 S000004448 ORF Uncharacterized YLR456W n.a. 12 1055067 1055681 W Hypothetical protein 3456 S000004450 ORF Dubious YLR458W n.a. 12 1056452 1056832 W Protein required for cell viability 3458 S000004449 ORF Verified YLR457C NBP1 12 1056768 1055809 C Component of the mitotic apparatus containing a coiled-coil domain, essential for the G2/M transition 3460 S000004451 ORF Verified YLR459W GAB1 12 1057331 1058515 W GPI transamidase subunit, involved in attachment of glycosylphosphatidylinositol (GPI) anchors to proteins; may have a role in recognition of the attachment signal or of the lipid portion of GPI 3462 S000004452 ORF Uncharacterized YLR460C n.a. 12 1060884 1059754 C Hypothetical protein 3464 S000004453 ORF Verified YLR461W PAU4 12 1062916 1063278 W Part of 23-member seripauperin multigene family encoded mainly in subtelomeric regions, active during alcoholic fermentation, regulated by anaerobiosis, negatively regulated by oxygen, repressed by heme 3475 S000004454 ORF Uncharacterized YLR462W n.a. 12 1065953 1066561 W Hypothetical protein 3477 S000004456 ORF Uncharacterized YLR464W n.a. 12 1066569 1067498 W Hypothetical protein 3480 S000031006 intron n.a. n.a. n.a. 12 1067082 1067360 W n.a. 3481 S000004455 ORF Dubious YLR463C n.a. 12 1066813 1066262 C Hypothetical protein 3483 S000004458 ORF Verified YLR466W YRF1-4 12 1067084 1071232 W Helicase encoded by the Y' element of subtelomeric regions, highly expressed in the mutants lacking the telomerase component TLC1; potentially phosphorylated by Cdc28p 3485 S000004457 ORF Dubious YLR465C BSC3 12 1067350 1067042 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 100% of YLR465C overlaps the uncharacterized ORF YLR464W and 86% of YLR465C overlaps the verified gene YRF1-4 3487 S000028685 ORF Dubious YLR466C-A n.a. 12 1070866 1070384 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3493 S000028686 ORF Uncharacterized YLR466C-B n.a. 12 1071707 1071591 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3495 S000004459 ORF Verified YLR467W YRF1-5 12 1072505 1077895 W Helicase encoded by the Y' element of subtelomeric regions, highly expressed in the mutants lacking the telomerase component TLC1; potentially phosphorylated by Cdc28p 3497 S000028687 ORF Dubious YLR467C-A n.a. 12 1077529 1077047 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3501 S000028690 ORF Dubious YML133W-B n.a. 13 827 1309 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3503 S000028689 ORF Dubious YML133W-A n.a. 13 1610 2185 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3505 S000004602 ORF Uncharacterized YML133C n.a. 13 4684 461 C Hypothetical protein 3508 S000033212 intron n.a. n.a. n.a. 13 3890 3792 C n.a. 3517 S000004601 ORF Verified YML132W COS3 13 7244 8383 W Protein involved in salt resistance; interacts with sodium:hydrogen antiporter Nha1p; member of a family of conserved, often subtelomerically-encoded proteins 3519 S000004600 ORF Uncharacterized YML131W n.a. 13 10199 11296 W Hypothetical protein 3521 S000004599 ORF Verified YML130C ERO1 13 13175 11484 C Glycoprotein required for oxidative protein folding in the endoplasmic reticulum 3523 S000004598 ORF Verified YML129C COX14 13 14754 14542 C Mitochondrial membrane protein, required for assembly of cytochrome c oxidase 3525 S000004597 ORF Verified YML128C MSC1 13 16677 15136 C Protein of unknown function, green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; msc1 mutants are defective in directing meiotic recombination events to homologous chromatids 3527 S000004596 ORF Verified YML127W RSC9 13 17065 18810 W One of 15 subunits of the 'Remodel the Structure of Chromatin' (RSC) complex; DNA-binding protein involved in the synthesis of rRNA and in transcriptional repression and activation of genes regulated by the Target of Rapamycin (TOR) pathway 3529 S000004595 ORF Verified YML126C ERG13 13 20536 19061 C 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) synthase, catalyzes the formation of HMG-CoA from acetyl-CoA and acetoacetyl-CoA; involved in the second step in mevalonate biosynthesis 3531 S000004594 ORF Uncharacterized YML125C n.a. 13 21700 20762 C Protein required for cell viability 3533 S000004593 ORF Verified YML124C TUB3 13 23684 22049 C Alpha-tubulin; associates with beta-tubulin (Tub2p) to form tubulin dimer, which polymerizes to form microtubules; expressed at lower level than Tub1p 3536 S000037764 intron n.a. n.a. n.a. 13 23659 23362 C n.a. 3537 S000004592 ORF Verified YML123C PHO84 13 25801 24038 C High-affinity inorganic phosphate (Pi) transporter and low-affinity manganese transporter; regulated by Pho4p and Spt7p; mutation confers resistance to arsenate; exit from the ER during maturation requires Pho86p 3539 S000004591 ORF Dubious YML122C n.a. 13 26419 26039 C Hypothetical protein 3541 S000004590 ORF Verified YML121W GTR1 13 26930 27862 W Cytoplasmic GTP binding protein and negative regulator of the Ran/Tc4 GTPase cycle, through its homolog and binding partner, Gtr2p; involved in phosphate transport and invasive growth; human RagA and RagB proteins are functional homologs 3543 S000004589 ORF Verified YML120C NDI1 13 29807 28266 C NADH:ubiquinone oxidoreductase, transfers electrons from NADH to ubiquinone in the respiratory chain but does not pump protons, in contrast to the higher eukaryotic multisubunit respiratory complex I which is absent in S. cerevisiae 3545 S000004588 ORF Uncharacterized YML119W n.a. 13 30611 31684 W Protein of unknown function, potential Cdc28p substrate 3547 S000004587 ORF Verified YML118W NGL3 13 32334 33851 W Putative endonuclease, has a domain similar to a magnesium-dependent endonuclease motif in mRNA deadenylase Ccr4p; similar to Ngl1p and Ngl2p 3549 S000004585 ORF Uncharacterized YML117W NAB6 13 34243 37647 W Putative RNA-binding protein, based on computational analysis of large-scale protein-protein interaction data 3551 S000004586 ORF Dubious YML116W-A n.a. 13 37472 37774 W Hypothetical protein 3553 S000004584 ORF Verified YML116W ATR1 13 38196 39824 W Multidrug efflux pump of the major facilitator superfamily, required for resistance to aminotriazole and 4-nitroquinoline-N-oxide 3555 S000004583 ORF Verified YML115C VAN1 13 41794 40187 C Component of the mannan polymerase I; forms a complex with Mnn9p, which is involved in in mannan synthesis; mutants are vanadate-resistant 3557 S000004582 ORF Verified YML114C TAF8 13 43575 42043 C TFIID subunit (65 kDa), involved in RNA polymerase II transcription initiation 3559 S000004581 ORF Verified YML113W DAT1 13 44045 44791 W DNA binding protein that recognizes oligo(dA).oligo(dT) tracts; Arg side chain in its N-terminal pentad Gly-Arg-Lys-Pro-Gly repeat is required for DNA-binding; not essential for viability 3561 S000004580 ORF Verified YML112W CTK3 13 45063 45953 W Gamma subunit of C-terminal domain kinase I (CTDK-I), which phosphorylates the C-terminal repeated domain of the RNA polymerase II large subunit (Rpo21p) to affect both transcription and pre-mRNA 3' end processing 3563 S000004579 ORF Verified YML111W BUL2 13 46942 49704 W Component of the Rsp5p E3-ubiquitin ligase complex, involved in intracellular amino acid permease sorting, functions in heat shock element mediated gene expression, essential for growth in stress conditions, functional homolog of BUL1 3565 S000004578 ORF Verified YML110C COQ5 13 50954 50031 C 2-hexaprenyl-6-methoxy-1,4-benzoquinone methyltransferase, involved in ubiquinone (Coenzyme Q) biosynthesis; located in mitochondria 3567 S000004577 ORF Verified YML109W ZDS2 13 51640 54468 W Protein that interacts with silencing proteins at the telomere, involved in transcriptional silencing; paralog of Zds1p 3569 S000004576 ORF Uncharacterized YML108W n.a. 13 54793 55110 W defines a new subfamily of the split beta-alpha-beta sandwiches. 3571 S000004575 ORF Uncharacterized YML107C n.a. 13 56269 55265 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nuclear periphery 3573 S000004574 ORF Verified YML106W URA5 13 56773 57453 W One of two orotate phosphoribosyltransferase isozymes (see also URA10) that catalyze the fifth enzymatic step in de novo biosynthesis of pyrimidines, converting orotate into orotidine-5'-phosphate 3575 S000004573 ORF Verified YML105C SEC65 13 58687 57866 C Subunit of the signal recognition particle (SRP), involved in protein targeting to the ER; interacts with Srp54p; homolog of mammalian SRP19 3577 S000004572 ORF Verified YML104C MDM1 13 62322 58939 C Intermediate filament protein, required for nuclear and mitochondrial transmission to daughter buds 3579 S000004571 ORF Verified YML103C NUP188 13 67549 62582 C Subunit of the nuclear pore complex (NPC), involved in the structural organization of the complex and of the nuclear envelope, also involved in nuclear envelope permeability, interacts with Pom152p and Nic96p 3581 S000004570 ORF Verified YML102W CAC2 13 68294 69700 W Component of the chromatin assembly complex (with Rlf2p and Msi1p) that assembles newly synthesized histones onto recently replicated DNA, required for building functional kinetochores, conserved from yeast to humans 3583 S000004569 ORF Dubious YML101C-A n.a. 13 69726 69409 C Hypothetical protein 3585 S000004568 ORF Uncharacterized YML101C CUE4 13 70088 69735 C Protein of unknown function; has a CUE domain that binds ubiquitin, which may facilitate intramolecular monoubiquitination 3587 S000028688 ORF Uncharacterized YML100W-A n.a. 13 70138 70311 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3589 S000004566 ORF Verified YML100W TSL1 13 70624 73920 W Large subunit of trehalose 6-phosphate synthase (Tps1p)/phosphatase (Tps2p) complex, which converts uridine-5'-diphosphoglucose and glucose 6-phosphate to trehalose, homologous to Tps3p and may share function 3591 S000004567 ORF Dubious YML099W-A n.a. 13 74229 74558 W Hypothetical protein 3593 S000004565 ORF Verified YML099C ARG81 13 77040 74398 C Zinc-finger transcription factor of the Zn(2)-Cys(6) binuclear cluster domain type, involved in the regulation of arginine-responsive genes; acts with Arg80p and Arg82p 3595 S000004564 ORF Verified YML098W TAF13 13 77267 77770 W TFIID subunit (19 kDa), involved in RNA polymerase II transcription initiation, similar to histone H4 with atypical histone fold motif of Spt3-like transcription factors 3597 S000004563 ORF Verified YML097C VPS9 13 79690 78335 C Protein required for Golgi to vacuole trafficking, has similarity with mammalian ras inhibitors 3599 S000004562 ORF Uncharacterized YML096W n.a. 13 79909 81486 W Hypothetical protein 3601 S000004560 ORF Verified YML095C RAD10 13 82113 81481 C Single-stranded DNA endonuclease (with Rad1p), cleaves single-stranded DNA during nucleotide excision repair and double-strand break repair; subunit of Nucleotide Excision Repair Factor 1 (NEF1); homolog of human XPF protein 3603 S000004559 ORF Verified YML094W GIM5 13 82275 82849 W Subunit of the heterohexameric cochaperone prefoldin complex which binds specifically to cytosolic chaperonin and transfers target proteins to it 3606 S000030922 intron n.a. n.a. n.a. 13 82291 82373 W n.a. 3607 S000004561 ORF Dubious YML094C-A n.a. 13 82620 82219 C Hypothetical protein 3609 S000004558 ORF Verified YML093W UTP14 13 83090 85789 W Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 3611 S000004557 ORF Verified YML092C PRE8 13 86739 85987 C 20S proteasome beta-type subunit 3613 S000004556 ORF Verified YML091C RPM2 13 90731 87123 C Protein component of mitochondrial RNase P, along with the mitochondrially-encoded RNA subunit RPM1; Rnase P removes 5' extensions from tRNA precursors; Rpm2p is also involved in maturation of RPM1 and in translation of mitochondrial mRNAs 3615 S000004555 ORF Dubious YML090W n.a. 13 90744 91130 W Hypothetical protein 3617 S000004554 ORF Dubious YML089C n.a. 13 91409 91041 C Hypothetical protein 3619 S000004553 ORF Verified YML088W UFO1 13 92235 94241 W F-box receptor protein, subunit of the Skp1-Cdc53-F-box receptor (SCF) E3 ubiquitin ligase complex; binds to phosphorylated Ho endonuclease, allowing its ubiquitylation by SCF and subsequent degradation 3621 S000004552 ORF Uncharacterized YML087C n.a. 13 95369 94431 C Hypothetical protein 3623 S000004551 ORF Verified YML086C ALO1 13 97371 95791 C D-Arabinono-1,4-lactone oxidase, catalyzes the final step in biosynthesis of D-erythroascorbic acid, which is protective against oxidative stress 3625 S000004550 ORF Verified YML085C TUB1 13 99400 97941 C Alpha-tubulin; associates with beta-tubulin (Tub2p) to form tubulin dimer, which polymerizes to form microtubules 3628 S000035129 intron n.a. n.a. n.a. 13 99375 99260 C n.a. 3629 S000004549 ORF Dubious YML084W n.a. 13 99489 99797 W Hypothetical protein 3631 S000004548 ORF Uncharacterized YML083C n.a. 13 101050 99794 C Hypothetical protein 3633 S000004547 ORF Uncharacterized YML082W n.a. 13 101862 103811 W Hypothetical protein 3635 S000007247 ORF Verified YML081C-A ATP18 13 104162 103983 C Subunit of the mitochondrial F1F0 ATP synthase, which is a large enzyme complex required for ATP synthesis; termed subunit I or subunit j; does not correspond to known ATP synthase subunits in other organisms 3637 S000004546 ORF Uncharacterized YML081W n.a. 13 104777 108532 W Hypothetical protein 3639 S000004545 ORF Verified YML080W DUS1 13 108806 110077 W Dihydrouridine synthase, member of a widespread family of conserved proteins including Smm1p, Dus3p, and Dus4p; modifies pre-tRNA(Phe) at U17 3641 S000004544 ORF Uncharacterized YML079W n.a. 13 110247 110852 W Uncharacterized protein with structural resemblance to plant storage and ligand binding proteins (canavalin, glycinin, auxin binding protein), and also to some plant and bacterial enzymes (epimerase, germin) 3643 S000004543 ORF Verified YML078W CPR3 13 111002 111550 W Mitochondrial peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; involved in protein refolding after import into mitochondria 3645 S000004542 ORF Verified YML077W BET5 13 111865 112344 W Component of the TRAPP (transport protein particle) complex, which plays an essential role in the vesicular transport from endoplasmic reticulum to Golgi 3647 S000004541 ORF Verified YML076C WAR1 13 115347 112513 C Homodimeric Zn2Cys6 zinc finger transcription factor; binds to a weak acid response element to induce transcription of PDR12 and FUN34, encoding an acid transporter and a putative ammonia transporter, respectively 3649 S000004540 ORF Verified YML075C HMG1 13 118898 115734 C One of two isozymes of HMG-CoA reductase that catalyzes the conversion of HMG-CoA to mevalonate, which is a rate-limiting step in sterol biosynthesis; localizes to the nuclear envelope; overproduction induces the formation of karmellae 3651 S000004539 ORF Verified YML074C FPR3 13 121324 120089 C Nucleolar peptidyl-prolyl cis-trans isomerase (PPIase); FK506 binding protein; phosphorylated by casein kinase II (Cka1p-Cka2p-Ckb1p-Ckb2p) and dephosphorylated by Ptp1p 3653 S000004538 ORF Verified YML073C RPL6A 13 124172 123227 C N-terminally acetylated protein component of the large (60S) ribosomal subunit, has similarity to Rpl6Bp and to rat L6 ribosomal protein; binds to 5.8S rRNA 3656 S000037685 intron n.a. n.a. n.a. 13 124157 123743 C n.a. 3657 S000004537 ORF Verified YML072C TCB3 13 129367 124730 C Contains three calcium and lipid binding domains; localized to the bud; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery; mRNA is targeted to the bud via the mRNA transport system involving She2p; C-terminal portion of Tcb1p, Tcb2p and Tcb3p interact 3659 S000004536 ORF Verified YML071C COG8 13 131572 129749 C Component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments 3661 S000006718 tRNA n.a. tR(UCU)M2 n.a. 13 131896 131825 C tRNA-Arg 3664 S000004535 ORF Verified YML070W DAK1 13 133475 135229 W Dihydroxyacetone kinase, required for detoxification of dihydroxyacetone (DHA); involved in stress adaptation 3666 S000004534 ORF Verified YML069W POB3 13 135500 137158 W Subunit of the heterodimeric FACT complex (Spt16p-Pob3p), which facilitates RNA Polymerase II transcription elongation through nucleosomes by destabilizing and then reassembling nucleosome structure 3668 S000004533 ORF Verified YML068W ITT1 13 137550 138944 W Protein that modulates the efficiency of translation termination, interacts with translation release factors eRF1 (Sup45p) and eRF3 (Sup35p) in vitro, contains a zinc finger domain characteristic of the TRIAD class of proteins 3670 S000004532 ORF Verified YML067C ERV41 13 140214 139063 C Protein localized to COPII-coated vesicles, forms a complex with Erv46p; involved in the membrane fusion stage of transport 3673 S000035440 intron n.a. n.a. n.a. 13 140183 140091 C n.a. 3674 S000004531 ORF Verified YML066C SMA2 13 141533 140424 C Protein of unknown function involved in the assembly of the prospore membrane during sporulation 3676 S000004530 ORF Verified YML065W ORC1 13 142210 144954 W Largest subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing; may be phosphorylated by Cdc28p 3678 S000004529 ORF Verified YML064C TEM1 13 145876 145139 C Gtp-binding protein of the ras superfamily involved in termination of M-phase; GTP-binding protein, RAS superfamily 3680 S000004528 ORF Verified YML063W RPS1B 13 146482 147249 W Ribosomal protein 10 (rp10) of the small (40S) subunit; nearly identical to Rps1Ap and has similarity to rat S3a ribosomal protein 3682 S000004527 ORF Verified YML062C MFT1 13 148683 147505 C Subunit of the THO complex, which is a nuclear complex comprised of Hpr1p, Mft1p, Rlr1p, and Thp2p, that is involved in transcription elongation and mitotic recombination 3684 S000004526 ORF Verified YML061C PIF1 13 151532 148953 C DNA helicase involved in telomere formation and elongation; acts as a catalytic inhibitor of telomerase; also plays a role in repair and recombination of mitochondrial DNA 3686 S000004525 ORF Verified YML060W OGG1 13 151871 153001 W Mitochondrial glycosylase/lyase that specifically excises 7,8-dihydro-8-oxoguanine residues located opposite cytosine or thymine residues in DNA, repairs oxidative damage to mitochondrial DNA 3688 S000004524 ORF Verified YML059C NTE1 13 158258 153219 C Serine esterase that deacylates exogenous lysophospholipids, homolog of human neuropathy target esterase (NTE); mammalian NTE1 deacylates phosphatidylcholine to glycerophosphocholine 3690 S000007472 ORF Verified YML058W-A HUG1 13 158760 158966 W Protein involved in the Mec1p-mediated checkpoint pathway that responds to DNA damage or replication arrest, transcription is induced by DNA damage 3692 S000004523 ORF Verified YML058W SML1 13 159383 159697 W Ribonucleotide reductase inhibitor involved in regulating dNTP production; regulated by Mec1p and Rad53p during DNA damage and S phase 3694 S000004521 ORF Verified YML057W CMP2 13 160180 161994 W Calcineurin A; one isoform (the other is CNA1) of the catalytic subunit of calcineurin, a Ca++/calmodulin-regulated protein phosphatase which regulates Crz1p (a stress-response transcription factor), the other calcineurin subunit is CNB1 3696 S000004522 ORF Dubious YML057C-A n.a. 13 160412 160023 C Hypothetical protein 3698 S000006445 snoRNA n.a. snR54 SNR54 13 163620 163535 C guides 2'-O-methylation on small subunit rRNA at A973; small nucleolar RNA snR54 3700 S000004520 ORF Verified YML056C IMD4 13 164176 162194 C Inosine monophosphate dehydrogenase, catalyzes the first step of GMP biosynthesis, member of a four-gene family in S. cerevisiae, constitutively expressed 3703 S000031023 intron n.a. n.a. n.a. 13 163716 163309 C n.a. 3704 S000004519 ORF Verified YML055W SPC2 13 164790 165326 W Subunit of signal peptidase complex (Spc1p, Spc2p, Spc3p, Sec11p), which catalyzes cleavage of N-terminal signal sequences of proteins targeted to the secretory pathway; homologous to mammalian SPC25 3706 S000004518 ORF Verified YML054C CYB2 13 167308 165533 C Cytochrome b2 (L-lactate cytochrome-c oxidoreductase), component of the mitochondrial intermembrane space, required for lactate utilization; expression is repressed by glucose and anaerobic conditions 3708 S000028573 ORF Uncharacterized YML054C-A n.a. 13 167781 167623 C Identified by fungal homology and RT-PCR 3711 S000006783 tRNA n.a. tY(GUA)M1 SUP5 13 168795 168883 W tRNA-Tyr 3712 S000032294 intron n.a. n.a. n.a. 13 168834 168847 W n.a. 3715 S000004517 ORF Uncharacterized YML053C n.a. 13 169754 169116 C Hypothetical protein 3717 S000004516 ORF Verified YML052W SUR7 13 170402 171310 W Integral membrane protein localized to cortical patch structures; multicopy suppressor of rvs167 mutation; mutants show defects in sporulation and altered sphingolipid content in plasma membrane 3719 S000004515 ORF Verified YML051W GAL80 13 171594 172901 W Transcriptional regulator involved in the repression of GAL genes in the absence of galactose; inhibits transcriptional activation by Gal4p; inhibition relieved by Gal3p or Gal1p binding 3721 S000004514 ORF Uncharacterized YML050W n.a. 13 173139 174074 W Hypothetical protein 3723 S000004513 ORF Verified YML049C RSE1 13 178305 174220 C Protein involved in pre-mRNA splicing; component of the pre-spliceosome; associates with U2 snRNA; involved in ER to Golgi transport 3725 S000004511 ORF Verified YML048W GSF2 13 178426 179637 W ER localized integral membrane protein that may promote secretion of certain hexose transporters, including Gal2p; involved in glucose-dependent repression 3727 S000004512 ORF Dubious YML047W-A n.a. 13 179893 180258 W Hypothetical protein 3729 S000004510 ORF Verified YML047C PRM6 13 181075 180017 C Pheromone-regulated protein, predicted to have 2 transmembrane segments; regulated by Ste12p during mating 3731 S000004509 ORF Verified YML046W PRP39 13 181474 183363 W U1 snRNP protein involved in splicing, contains multiple tetriatricopeptide repeats 3733 S000006585 tRNA n.a. tG(GCC)M n.a. 13 183968 183898 C tRNA-Gly 3744 S000004507 ORF Verified YML043C RRN11 13 191767 190244 C rDNA transcription factor CF component, which also contains Rrn6p and Rrn7p, which is required for rDNA transcription by RNA polymerase I; component of rDNA transcription factor 3746 S000004506 ORF Verified YML042W CAT2 13 192788 194800 W Carnitine acetyl-CoA transferase present in both mitochondria and peroxisomes, transfers activated acetyl groups to carnitine to form acetylcarnitine which can be shuttled across membranes 3748 S000004505 ORF Verified YML041C VPS71 13 195755 194913 C Protein of unknown function, component of the Swr1p complex that incorporates Htz1p into chromatin; required for vacuolar protein sorting 3750 S000006684 tRNA n.a. tP(UGG)M SUF7 13 196170 196068 C tRNA-Pro 3751 S000036019 intron n.a. n.a. n.a. 13 196134 196104 C n.a. 3763 S000004502 ORF Verified YML038C YMD8 13 204103 202775 C Putative nucleotide sugar transporter, has similarity to Vrg4p 3765 S000004501 ORF Uncharacterized YML037C n.a. 13 205408 204386 C Hypothetical protein 3767 S000004500 ORF Uncharacterized YML036W n.a. 13 205642 206211 W Hypothetical protein 3769 S000004498 ORF Verified YML035C AMD1 13 208860 206428 C AMP deaminase, tetrameric enzyme that catalyzes the deamination of AMP to form IMP and ammonia; may be involved in regulation of intracellular adenine nucleotide pools 3771 S000004497 ORF Verified YML034W SRC1 13 209525 212155 W Protein with a putative role in sister chromatid segregation, potentially phosphorylated by Cdc28p; green fluorescent protein (GFP)-fusion protein localizes to the nuclear periphery 3774 S000031571 intron n.a. n.a. n.a. 13 211445 211570 W n.a. 3775 S000004499 ORF Dubious YML034C-A n.a. 13 209826 209428 C Hypothetical protein 3777 S000004494 ORF Verified YML032C RAD52 13 213930 212515 C Protein that stimulates strand exchange by facilitating Rad51p binding to single-stranded DNA; anneals complementary single-stranded DNA; involved in the repair of double-strand breaks in DNA during vegetative growth and meiosis 3779 S000004493 ORF Verified YML031W NDC1 13 214189 216156 W Nuclear envelope protein with multiple putative transmembrane domains, required for nuclear pore complex assembly and spindle pole body duplication; required for meiosis II 3781 S000028809 ORF Dubious YML031C-A n.a. 13 214421 214086 C Questionable ORF from MIPS 3783 S000004492 ORF Uncharacterized YML030W n.a. 13 216435 216914 W Hypothetical protein 3785 S000004491 ORF Verified YML029W USA1 13 217362 219878 W Protein that interacts in the two-hybrid system with the U1 snRNP-specific protein, Snp1p; may have a role in pre-mRNA splicing 3787 S000004490 ORF Verified YML028W TSA1 13 220138 220728 W Ubiquitous housekeeping thioredoxin peroxidase, reduces reactive oxygen, nitrogen and sulfur species using thioredoxin as hydrogen donor; mediates redox regulation of the nuclear localization of Yap1p; deletion results in mutator phenotype 3789 S000004489 ORF Verified YML027W YOX1 13 221406 222563 W Homeodomain-containing transcriptional repressor, binds to Mcm1p and to early cell cycle boxes (ECBs) in the promoters of cell cycle-regulated genes expressed in M/G1 phase; expression is cell cycle-regulated; potential Cdc28p substrate 3791 S000004488 ORF Verified YML026C RPS18B 13 223828 222987 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps18Ap and has similarity to E. coli S13 and rat S18 ribosomal proteins 3794 S000036755 intron n.a. n.a. n.a. 13 223781 223381 C n.a. 3795 S000004487 ORF Verified YML025C YML6 13 225365 224406 C Mitochondrial ribosomal protein of the large subunit, has similarity to E. coli L4 ribosomal protein and human mitoribosomal MRP-L4 protein; essential for viability, unlike most other mitoribosomal proteins 3798 S000036691 intron n.a. n.a. n.a. 13 225338 225240 C n.a. 3799 S000004486 ORF Verified YML024W RPS17A 13 225889 226697 W Ribosomal protein 51 (rp51) of the small (40s) subunit; nearly identical to Rps17Bp and has similarity to rat S17 ribosomal protein 3802 S000036661 intron n.a. n.a. n.a. 13 225892 226289 W n.a. 3803 S000004485 ORF Uncharacterized YML023C n.a. 13 228664 226994 C Protein required for cell viability 3805 S000004484 ORF Verified YML022W APT1 13 228937 229500 W Adenine phosphoribosyltransferase, catalyzes the formation of AMP from adenine and 5-phosphoribosylpyrophosphate; involved in the salvage pathway of purine nucleotide biosynthesis 3807 S000004483 ORF Verified YML021C UNG1 13 230813 229734 C Uracil-DNA glycosylase, required for repair of uracil in DNA formed by spontaneous cytosine deamination, not required for strand-specific mismatch repair, cell-cycle regulated, expressed in late G1, localizes to mitochondria and nucleus 3809 S000004482 ORF Uncharacterized YML020W n.a. 13 231149 233143 W Hypothetical protein 3811 S000004481 ORF Verified YML019W OST6 13 233457 234455 W Subunit of the oligosaccharyltransferase complex of the ER lumen, which catalyzes asparagine-linked glycosylation of newly synthesized proteins; similar to and partially functionally redundant with Ost3p 3813 S000004480 ORF Uncharacterized YML018C n.a. 13 235952 234771 C Hypothetical protein 3815 S000004479 ORF Verified YML017W PSP2 13 236588 238731 W Asn rich cytoplasmic protein that contains RGG motifs; high-copy suppressor of group II intron-splicing defects of a mutation in MRS2 and of a conditional mutation in POL1 (DNA polymerase alpha); possible role in mitochondrial mRNA splicing 3818 S000033402 intron n.a. n.a. n.a. 13 236592 236953 W n.a. 3819 S000004478 ORF Verified YML016C PPZ1 13 241536 239458 C Serine/threonine protein phosphatase Z, isoform of Ppz2p; involved in regulation of potassium transport, which affects osmotic stability, cell cycle progression, and halotolerance 3821 S000004477 ORF Verified YML015C TAF11 13 243029 241989 C TFIID subunit (40 kDa), involved in RNA polymerase II transcription initiation, similar to histone H3 with atypical histone fold motif of Spt3-like transcription factors 3823 S000004476 ORF Verified YML014W TRM9 13 243225 244064 W tRNA methyltransferase, catalyzes the esterification of modified uridine nucleotides in tRNAs, creating 5-methylcarbonylmethyluridine in tRNA(Arg3) and 5-methylcarbonylmethyl-2-thiouridine in tRNA(Glu); may have a role in stress response 3825 S000004475 ORF Verified YML013W SEL1 13 244149 245903 W UBX (ubiquitin regulatory X) domain-containing protein that interacts with Cdc48p, has a ubiquitin-associated (UBA) domain, interacts with ubiquitylated proteins in vivo, and is required for degradation of a ubiquitylated model substrate 3827 S000004474 ORF Dubious YML012C-A n.a. 13 245914 245537 C Hypothetical protein 3829 S000004473 ORF Verified YML012W ERV25 13 246116 246751 W Protein that forms a heterotrimeric complex with Erp1, Erp2p, and Emp24, member of the p24 family involved in endoplasmic reticulum to Golgi transport 3831 S000004472 ORF Uncharacterized YML011C n.a. 13 247428 246895 C Hypothetical protein 3833 S000004470 ORF Verified YML010W SPT5 13 247677 250868 W Protein that forms a complex with Spt4p and mediates both activation and inhibition of transcription elongation; Spt4p-Spt5p complex also plays a role in pre-mRNA processing 3835 S000004471 ORF Dubious YML009W-B n.a. 13 250435 250911 W Hypothetical protein 3837 S000004469 ORF Dubious YML009C-A n.a. 13 251001 250675 C Hypothetical protein 3839 S000004468 ORF Verified YML009C MRPL39 13 251516 251304 C Mitochondrial ribosomal protein of the large subunit 3841 S000004467 ORF Verified YML008C ERG6 13 252990 251839 C Delta(24)-sterol C-methyltransferase, converts zymosterol to fecosterol in the ergosterol biosynthetic pathway by methylating position C-24 3843 S000007621 ORF Uncharacterized YML007C-A n.a. 13 253272 253162 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 3845 S000004466 ORF Verified YML007W YAP1 13 253848 255800 W Basic leucine zipper (bZIP) transcription factor required for oxidative stress tolerance; mediates pleiotropic drug and metal resistance; localized to the nucleus in response to the presence of oxidants 3847 S000004465 ORF Verified YML006C GIS4 13 258416 256092 C CAAX box containing protein of unknown function, proposed to be involved in the RAS/cAMP signaling pathway 3849 S000006729 tRNA n.a. tS(AGA)M n.a. 13 259239 259158 C tRNA-Ser 3851 S000004464 ORF Verified YML005W TRM12 13 260221 261609 W S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family; required for the wybutosine formation in the Phenylalanine-accepting tRNA. 3853 S000004463 ORF Verified YML004C GLO1 13 262685 261705 C Monomeric glyoxalase I, catalyzes the detoxification of methylglyoxal (a by-product of glycolysis) via condensation with glutathione to produce S-D-lactoylglutathione; expression regulated by methylglyoxal levels and osmotic stress 3855 S000004462 ORF Uncharacterized YML003W n.a. 13 263483 264355 W Hypothetical protein 3857 S000004461 ORF Uncharacterized YML002W n.a. 13 264541 266754 W Hypothetical protein 3859 S000004460 ORF Verified YML001W YPT7 13 267174 267800 W Gtp-binding protein of the rab family; required for homotypic fusion event in vacuole inheritance, for endosome-endosome fusion, and for fusion of endosomes to vacuoles when expressed from high copy plasmid; GTP-binding protein, rab family 3865 S000004603 ORF Verified YMR001C CDC5 13 271136 269019 C Polo-like kinase with similarity to Xenopus Plx1 and S. pombe Plo1p; found at bud neck, nucleus and SPBs; has multiple functions in mitosis and cytokinesis through phosphorylation of substrates; may be a Cdc28p substrate 3867 S000028691 ORF Uncharacterized YMR001C-A n.a. 13 271577 271347 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 3869 S000004604 ORF Uncharacterized YMR002W n.a. 13 272193 272663 W Hypothetical protein 3871 S000004605 ORF Uncharacterized YMR003W n.a. 13 273118 273714 W Hypothetical protein 3873 S000004606 ORF Verified YMR004W MVP1 13 274017 275552 W Protein required for sorting proteins to the vacuole; overproduction of Mvp1p suppresses several dominant VPS1 mutations; Mvp1p and Vps1p act in concert to promote membrane traffic to the vacuole 3875 S000004607 ORF Verified YMR005W TAF4 13 276045 277211 W TFIID subunit (48 kDa), involved in RNA polymerase II transcription initiation; potential Cdc28p substrate 3877 S000004608 ORF Verified YMR006C PLB2 13 279681 277561 C Phospholipase B (lysophospholipase) involved in phospholipid metabolism; displays transacylase activity in vitro; overproduction confers resistance to lysophosphatidylcholine 3879 S000004609 ORF Dubious YMR007W n.a. 13 279960 280340 W Hypothetical protein 3881 S000004610 ORF Verified YMR008C PLB1 13 282584 280590 C Phospholipase B (lysophospholipase) involved in lipid metabolism, required for deacylation of phosphatidylcholine and phosphatidylethanolamine but not phosphatidylinositol 3883 S000004611 ORF Verified YMR009W n.a. 13 284101 284640 W Acireductone dioxygenease involved in the methionine salvage pathway; ortholog of human MTCBP-1 3885 S000004612 ORF Uncharacterized YMR010W n.a. 13 285099 286316 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 3887 S000004613 ORF Verified YMR011W HXT2 13 288078 289703 W High-affinity glucose transporter of the major facilitator superfamily, expression is induced by low levels of glucose and repressed by high levels of glucose 3890 S000006560 tRNA n.a. tE(UUC)M n.a. 13 290800 290871 W tRNA-Glu 3892 S000004614 ORF Verified YMR012W CLU1 13 291133 294966 W eIF3 component of unknown function; deletion causes defects in mitochondrial organization but not in growth or translation initiation, can rescue cytokinesis and mitochondrial organization defects of the Dictyostelium cluA- mutant 3894 S000028847 ORF Dubious YMR013C-A n.a. 13 296619 296470 C Identified by expression profiling and mass spectrometry 3896 S000004615 ORF Verified YMR013C SEC59 13 296737 295178 C Dolichol kinase, catalyzes the terminal step in dolichyl monophosphate (Dol-P) biosynthesis; required for viability and for normal rates of lipid intermediate synthesis and protein N-glycosylation 3898 S000007312 snoRNA n.a. snR78 SNR78 13 297277 297362 W Small nucleolar RNA; small nucleolar RNA 3900 S000007311 snoRNA n.a. snR77 SNR77 13 297505 297592 W Small nucleolar RNA; small nucleolar RNA 3902 S000007310 snoRNA n.a. snR76 SNR76 13 297724 297832 W Small nucleolar RNA; small nucleolar RNA 3904 S000007309 snoRNA n.a. snR75 SNR75 13 297917 298005 W Small nucleolar RNA; small nucleolar RNA 3906 S000007308 snoRNA n.a. snR74 SNR74 13 298137 298224 W Small nucleolar RNA; small nucleolar RNA 3908 S000007307 snoRNA n.a. snR73 SNR73 13 298306 298411 W Small nucleolar RNA; small nucleolar RNA 3910 S000007622 ORF Uncharacterized YMR013W-A n.a. 13 298310 298390 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 3912 S000007306 snoRNA n.a. snR72 SNR72 13 298553 298650 W Small nucleolar RNA; small nucleolar RNA 3914 S000004616 ORF Verified YMR014W BUD22 13 298867 300426 W Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 3916 S000004617 ORF Verified YMR015C ERG5 13 302484 300868 C C-22 sterol desaturase, a cytochrome P450 enzyme that catalyzes the formation of the C-22(23) double bond in the sterol side chain in ergosterol biosynthesis; may be a target of azole antifungal drugs 3918 S000004618 ORF Verified YMR016C SOK2 13 305592 303235 C Nuclear protein that plays a regulatory role in the cyclic AMP (cAMP)-dependent protein kinase (PKA) signal transduction pathway; negatively regulates pseudohyphal differentiation; homologous to several transcription factors 3920 S000004619 ORF Verified YMR017W SPO20 13 307488 308681 W Meiosis-specific subunit of the t-SNARE complex, required for prospore membrane formation during sporulation; similar to but not functionally redundant with Sec9p; SNAP-25 homolog 3922 S000004620 ORF Uncharacterized YMR018W n.a. 13 310207 311751 W Hypothetical protein 3924 S000004621 ORF Verified YMR019W STB4 13 312155 315004 W Protein that binds Sin3p in a two-hybrid assay; contains a Zn(II)2Cys6 zinc finger domain characteristic of DNA-binding proteins 3926 S000004622 ORF Verified YMR020W FMS1 13 315376 316902 W Polyamine oxidase, converts spermine to spermidine, which is required for the essential hypusination modification of translation factor eIF-5A; also involved in pantothenic acid biosynthesis 3928 S000004623 ORF Verified YMR021C MAC1 13 318417 317164 C Copper-sensing transcription factor involved in regulation of genes required for high affinity copper transport 3930 S000004624 ORF Verified YMR022W QRI8 13 318679 319176 W Ubiquitin conjugating enzyme, involved in the ER-associated protein degradation pathway; requires Cue1p for recruitment to the ER membrane; proposed to be involved in chromatin assembly 3932 S000004625 ORF Verified YMR023C MSS1 13 321016 319436 C Mitochondrial protein, forms a heterodimer complex with Mto1p that performs the 5-carboxymethylaminomethyl modification of the wobble uridine base in mitochondrial tRNAs; similar to human GTPBP3 3934 S000006518 tRNA n.a. tA(AGC)M1 n.a. 13 321218 321146 C tRNA-Ala 3936 S000004626 ORF Verified YMR024W MRPL3 13 321874 323046 W Mitochondrial ribosomal protein of the large subunit 3938 S000004627 ORF Verified YMR025W CSI1 13 323299 324186 W Subunit of the Cop9 signalosome, which is required for deneddylation, or removal of the ubiquitin-like protein Rub1p from Cdc53p (cullin); involved in adaptation to pheromone signaling 3940 S000004628 ORF Verified YMR026C PEX12 13 325434 324235 C RING-finger peroxisomal membrane peroxin that plays an essential role in peroxisome biogenesis and peroxisomal matrix protein import, forms translocation subcomplex with Pex2p and Pex10p 3942 S000004629 ORF Uncharacterized YMR027W n.a. 13 325876 327288 W High level expression reduced Ty3 Transposition 3944 S000004630 ORF Verified YMR028W TAP42 13 327481 328581 W Essential protein involved in the TOR signaling pathway; physically associates with the protein phosphatase 2A and the SIT4 protein phosphatase catalytic subunits 3946 S000004631 ORF Verified YMR029C FAR8 13 330230 328659 C Protein involved in G1 cell cycle arrest in response to pheromone, in a pathway different from the Far1p-dependent pathway; interacts with Far3p, Far7p, Far9p, Far10p, and Far11p 3948 S000004632 ORF Verified YMR030W RSF1 13 330792 331922 W Protein required for respiratory growth; localized to both the nucleus and mitochondrion; mutant displays decreased transcription of specific nuclear and mitochondrial genes whose products are involved in respiratory growth 3950 S000004634 ORF Dubious YMR031W-A n.a. 13 334708 335034 W Hypothetical protein 3952 S000004633 ORF Uncharacterized YMR031C n.a. 13 334742 332211 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 3954 S000004635 ORF Verified YMR032W HOF1 13 335297 337306 W Bud neck-localized, SH3 domain-containing protein required for cytokinesis; regulates actomyosin ring dynamics and septin localization; interacts with the formins, Bni1p and Bnr1p, and with Cyk3p, Vrp1p, and Bni5p 3956 S000028574 ORF Uncharacterized YMR030W-A n.a. 13 337312 337602 W Identified by fungal homology and RT-PCR 3958 S000004636 ORF Verified YMR033W ARP9 13 337787 339276 W Actin-related protein involved in transcriptional regulation; subunit of the chromatin remodeling Snf/Swi complex 3961 S000035137 intron n.a. n.a. n.a. 13 337817 337902 W n.a. 3962 S000004637 ORF Uncharacterized YMR034C n.a. 13 340721 339417 C Hypothetical protein 3964 S000004638 ORF Verified YMR035W IMP2 13 341141 341674 W Catalytic subunit of the mitochondrial inner membrane peptidase complex, required for maturation of mitochondrial proteins of the intermembrane space; complex contains Imp1p and Imp2p (both catalytic subunits), and Som1p 3966 S000004639 ORF Verified YMR036C MIH1 13 343519 341855 C Protein tyrosine phosphatase involved in cell cycle control; regulates the phosphorylation state of Cdc28p; homolog of S. pombe cdc25 3968 S000004640 ORF Verified YMR037C MSN2 13 346516 344402 C Transcriptional activator related to Msn4p; activated in stress conditions, which results in translocation from the cytoplasm to the nucleus; binds DNA at stress response elements of responsive genes, inducing gene expression 3970 S000004641 ORF Verified YMR038C CCS1 13 348259 347510 C Copper chaperone for superoxide dismutase Sod1p, involved in oxidative stress protection; Met-X-Cys-X2-Cys motif within the N-terminal portion is involved in insertion of copper into Sod1p under conditions of copper deprivation 3972 S000004642 ORF Verified YMR039C SUB1 13 349521 348643 C Transcriptional coactivator, facilitates elongation by influencing enzymes that modify RNAP II, acts in a peroxide resistance pathway involving Rad2p; suppressor of TFIIB mutations 3974 S000004643 ORF Uncharacterized YMR040W n.a. 13 350380 350862 W Endoplasmic reticulum transmembrane protein, homolog of human BAP31 protein 3976 S000004644 ORF Uncharacterized YMR041C n.a. 13 351972 350965 C Hypothetical protein 3978 S000006568 tRNA n.a. tF(GAA)M n.a. 13 352279 352369 W tRNA-Phe 3979 S000035417 intron n.a. n.a. n.a. 13 352316 352333 W n.a. 3982 S000004645 ORF Verified YMR042W ARG80 13 352602 353135 W Transcription factor involved in regulation of arginine-responsive genes; acts with Arg81p and Arg82p 3984 S000004646 ORF Verified YMR043W MCM1 13 353870 354730 W Transcription factor involved in cell-type-specific transcription and pheromone response; plays a central role in the formation of both repressor and activator complexes 3986 S000004647 ORF Verified YMR044W IOC4 13 355383 356810 W Member of a complex (Isw1b) with Isw1p and Ioc2p that exhibits nucleosome-stimulated ATPase activity and acts within coding regions to coordinate transcription elongation with termination and processing, contains a PWWP motif 3995 S000007248 ORF Dubious YMR046W-A n.a. 13 362701 362829 W Similar to probable membrane protein YLR334C and ORF YOL106W 3999 S000006599 tRNA n.a. tH(GUG)M n.a. 13 363063 363134 W tRNA-His 4001 S000004650 ORF Verified YMR047C NUP116 13 366704 363363 C Subunit of the nuclear pore complex (NPC) that is localized to both sides of the pore; contains a repetitive GLFG motif that interacts with mRNA export factor Mex67p and with karyopherin Kap95p; homologous to Nup100p 4003 S000004651 ORF Verified YMR048W CSM3 13 366980 367933 W Protein required for accurate chromosome segregation during meiosis 4005 S000004652 ORF Verified YMR049C ERB1 13 370516 368093 C Protein required for maturation of the 25S and 5.8S ribosomal RNAs; constituent of 66S pre-ribosomal particles; homologous to mammalian Bop1 4007 S000006763 tRNA n.a. tV(AAC)M1 n.a. 13 372517 372444 C tRNA-Val 4020 S000006775 tRNA n.a. tW(CCA)M n.a. 13 379407 379302 C tRNA-Trp 4021 S000034112 intron n.a. n.a. n.a. 13 379371 379338 C n.a. 4024 S000004656 ORF Verified YMR052W FAR3 13 379585 380199 W Protein involved in G1 cell cycle arrest in response to pheromone, in a pathway different from the Far1p-dependent pathway; interacts with Far7p, Far8p, Far9p, Far10p, and Far11p 4026 S000004655 ORF Dubious YMR052C-A n.a. 13 380433 380068 C Hypothetical protein 4028 S000004657 ORF Verified YMR053C STB2 13 382897 380345 C Protein that interacts with Sin3p in a two-hybrid assay and is part of a large protein complex with Sin3p and Stb1p 4030 S000004658 ORF Verified YMR054W STV1 13 383302 385974 W Subunit of vacuolar-ATPase V0 domain, one of two isoforms (Stv1p and Vph1p); Stv1p is located in V-ATPase complexes of the Golgi and endosomes while Vph1p is located in V-ATPase complexes of the vacuole 4032 S000004659 ORF Verified YMR055C BUB2 13 387020 386100 C Mitotic exit network regulator, forms GTPase-activating Bfa1p-Bub2p complex that binds Tem1p and spindle pole bodies, blocks cell cycle progression before anaphase in response to spindle and kinetochore damage 4034 S000004660 ORF Verified YMR056C AAC1 13 388243 387314 C Mitochondrial inner membrane ADP/ATP translocator, exchanges cytosolic ADP for mitochondrially synthesized ATP; Aac1p is a minor isoform while Pet9p is the major ADP/ATP translocator 4036 S000004661 ORF Dubious YMR057C n.a. 13 388729 388358 C Hypothetical protein 4038 S000004662 ORF Verified YMR058W FET3 13 388821 390731 W Ferro-O2-oxidoreductase required for high-affinity iron uptake and involved in mediating resistance to copper ion toxicity, belongs to class of integral membrane multicopper oxidases 4040 S000004663 ORF Verified YMR059W SEN15 13 391038 391484 W Subunit of the tRNA splicing endonuclease, which is composed of Sen2p, Sen15p, Sen34p, and Sen54p 4042 S000004664 ORF Verified YMR060C SAM37 13 392514 391531 C Component of the mitochondrial outer membrane sorting and assembly machinery (SAM) complex; required for the sorting of some proteins to the outer membrane after import by the TOM complex 4044 S000004665 ORF Verified YMR061W RNA14 13 392754 394787 W Cleavage and polyadenylation factor I (CF I) component involved in cleavage and polyadenylation of mRNA 3' ends; bridges interaction between Rna15p and Hrp1p in the CF I complex 4046 S000004666 ORF Verified YMR062C ECM40 13 396378 395053 C Mitochondrial ornithine acetyltransferase, catalyzes the fifth step in arginine biosynthesis; also possesses acetylglutamate synthase activity, regenerates acetylglutamate while forming ornithine 4048 S000004667 ORF Verified YMR063W RIM9 13 397076 397795 W Protein of unknown function, involved in the proteolytic activation of Rim101p in response to alkaline pH; has similarity to A. nidulans PalI; putative membrane protein 4050 S000004668 ORF Verified YMR064W AEP1 13 397902 399458 W Protein required for expression of the mitochondrial OLI1 gene encoding subunit 9 of F1-F0 ATP synthase 4052 S000004669 ORF Verified YMR065W KAR5 13 399701 401215 W Protein required for nuclear membrane fusion during karyogamy, localizes to the membrane with a soluble portion in the endoplasmic reticulum lumen, may form a complex with Jem1p and Kar2p; expression of the gene is regulated by pheromone 4054 S000004670 ORF Uncharacterized YMR066W n.a. 13 401540 404236 W Mitochondrial protein of unknown function 4056 S000004671 ORF Uncharacterized YMR067C UBX4 13 405572 404322 C UBX (ubiquitin regulatory X) domain-containing protein that interacts with Cdc48p 4058 S000004672 ORF Verified YMR068W AVO2 13 406303 407583 W Component of a complex containing the Tor2p kinase and other proteins, which may have a role in regulation of cell growth 4060 S000004673 ORF Verified YMR069W NAT4 13 407708 408565 W N alpha-acetyl-transferase, involved in acetylation of the N-terminal residues of histones H4 and H2A 4062 S000004674 ORF Verified YMR070W MOT3 13 409153 410625 W Nuclear transcription factor with two Cys2-His2 zinc fingers; involved in repression of a subset of hypoxic genes by Rox1p, repression of several DAN/TIR genes during aerobic growth, and repression of ergosterol biosynthetic genes 4064 S000004675 ORF Uncharacterized YMR071C n.a. 13 411264 410761 C Tlg2-Vesicle Protein of 18 kDa, integral membrane vesicle protein 4066 S000004676 ORF Verified YMR072W ABF2 13 411568 412119 W Mitochondrial DNA-binding protein involved in mitochondrial DNA replication and recombination, member of HMG1 DNA-binding protein family; activity may be regulated by protein kinase A phosphorylation 4068 S000004677 ORF Uncharacterized YMR073C n.a. 13 412872 412267 C Hypothetical protein 4070 S000004678 ORF Uncharacterized YMR074C n.a. 13 413472 413035 C Hypothetical protein 4072 S000004680 ORF Uncharacterized YMR075W n.a. 13 413981 416035 W Nuclear protein of unknown function 4074 S000004679 ORF Dubious YMR075C-A n.a. 13 416052 415687 C Hypothetical protein 4076 S000004681 ORF Verified YMR076C PDS5 13 420028 416195 C Protein required for establishment and maintenance of sister chromatid condensation and cohesion, colocalizes with cohesin on chromosomes in an interdependent manner, may function as a protein-protein interaction scaffold 4078 S000006764 tRNA n.a. tV(AAC)M2 n.a. 13 420660 420587 C tRNA-Val 4080 S000004682 ORF Verified YMR077C VPS20 13 422148 421483 C Myristoylated subunit of ESCRTIII, the endosomal sorting complex required for transport of transmembrane proteins into the multivesicular body pathway to the lysosomal/vacuolar lumen; cytoplasmic protein recruited to endosomal membranes 4082 S000004683 ORF Verified YMR078C CTF18 13 424727 422502 C Subunit of a complex with Ctf8p that shares some subunits with Replication Factor C and is required for sister chromatid cohesion; may have overlapping functions with Rad24p in the DNA damage replication checkpoint 4084 S000004684 ORF Verified YMR079W SEC14 13 424988 426058 W Phosphatidylinositol/phosphatidylcholine transfer protein involved in coordinate regulation of PtdIns and PtdCho metabolism, products of which are regulators in Golgi to plasma membrane transport; functionally homologous to mammalian PITPs 4087 S000036085 intron n.a. n.a. n.a. 13 424997 425152 W n.a. 4088 S000004685 ORF Verified YMR080C NAM7 13 429626 426711 C ATP-dependent RNA helicase of the SFI superfamily, required for nonsense mediated mRNA decay and for efficient translation termination at nonsense codons 4090 S000004686 ORF Verified YMR081C ISF1 13 431094 430078 C Serine-rich, hydrophilic protein with similarity to Mbr1p; overexpression suppresses growth defects of hap2, hap3, and hap4 mutants; expression is under glucose control; cotranscribed with NAM7 in a cyp1 mutant 4092 S000004687 ORF Dubious YMR082C n.a. 13 432124 431768 C Hypothetical protein 4094 S000004688 ORF Verified YMR083W ADH3 13 434787 435914 W Mitochondrial alcohol dehydrogenase isozyme III; involved in the shuttling of mitochondrial NADH to the cytosol under anaerobic conditions and ethanol production 4096 S000004689 ORF Uncharacterized YMR084W n.a. 13 436627 437415 W Hypothetical protein 4098 S000004690 ORF Uncharacterized YMR085W n.a. 13 437490 438788 W Hypothetical protein 4100 S000004692 ORF Uncharacterized YMR086W n.a. 13 439207 442089 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 4102 S000004691 ORF Dubious YMR086C-A n.a. 13 442363 442025 C Hypothetical protein 4104 S000004693 ORF Verified YMR087W n.a. 13 442526 443380 W Putative ADP-ribose-1''-monophosphatase that converts ADP-ribose-1''-monophosphate to ADP-ribose; may have a role in tRNA splicing; contains an A1pp domain 4106 S000004694 ORF Verified YMR088C VBA1 13 445101 443413 C Permease of basic amino acids in the vacuolar membrane 4108 S000004695 ORF Verified YMR089C YTA12 13 448085 445608 C Component, with Afg3p, of the mitochondrial inner membrane m-AAA protease that mediates degradation of misfolded or unassembled proteins and is also required for correct assembly of mitochondrial enzyme complexes 4110 S000004696 ORF Uncharacterized YMR090W n.a. 13 449244 449927 W Hypothetical protein 4112 S000004697 ORF Verified YMR091C NPL6 13 451364 450057 C Nuclear protein that may have a role in nuclear protein import 4114 S000004698 ORF Verified YMR092C AIP1 13 453478 451631 C Actin cortical patch component, interacts with the actin depolymerizing factor cofilin; required to restrict cofilin localization to cortical patches; contains WD repeats 4116 S000004699 ORF Verified YMR093W UTP15 13 454014 455555 W Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 4118 S000004700 ORF Verified YMR094W CTF13 13 455824 457260 W Subunit of the CBF3 complex, which binds to the CDE III element of centromeres, bending the DNA upon binding, and may be involved in sister chromatid cohesion during mitosis 4120 S000004701 ORF Verified YMR095C SNO1 13 457958 457284 C Protein of unconfirmed function, involved in pyridoxine metabolism; expression is induced during stationary phase; forms a putative glutamine amidotransferase complex with Snz1p, with Sno1p serving as the glutaminase 4122 S000004702 ORF Verified YMR096W SNZ1 13 458407 459300 W Protein involved in vitamin B6 biosynthesis; member of a stationary phase-induced gene family; coregulated with SNO1; interacts with Sno1p and with Yhr198p, perhaps as a multiprotein complex containing other Snz and Sno proteins 4124 S000004703 ORF Verified YMR097C MTG1 13 460526 459423 C Peripheral GTPase of the mitochondrial inner membrane, essential for respiratory competence, likely functions in assembly of the large ribosomal subunit, has homologs in plants and animals 4126 S000004704 ORF Uncharacterized YMR098C n.a. 13 462608 460770 C Hypothetical protein 4129 S000006543 tRNA n.a. tD(GUC)M n.a. 13 463553 463624 W tRNA-Asp 4131 S000004705 ORF Uncharacterized YMR099C n.a. 13 464826 463933 C Hypothetical protein 4133 S000004706 ORF Verified YMR100W MUB1 13 466299 468161 W Protein of unknown function, deletion causes multi-budding phenotype; has similarity to Aspergillus nidulans samB gene 4135 S000004707 ORF Verified YMR101C SRT1 13 469475 468444 C Cis-prenyltransferase involved in synthesis of long-chain dolichols (19-22 isoprene units; as opposed to Rer2p which synthesizes shorter-chain dolichols); localizes to lipid bodies; transcription is induced during stationary phase 4137 S000004708 ORF Uncharacterized YMR102C n.a. 13 472351 469847 C Protein of unknown function, transcription is activated by paralogous transcription factors Yrm1p and Yrr1p along with genes involved in multidrug resistance 4139 S000004709 ORF Dubious YMR103C n.a. 13 473263 472901 C Hypothetical protein 4141 S000004710 ORF Verified YMR104C YPK2 13 475452 473419 C Protein kinase with similarityto serine/threonine protein kinase Ypk1p; functionally redundant with YPK1 at the genetic level; participates in a signaling pathway required for optimal cell wall integrity; homolog of mammalian kinase SGK 4143 S000004711 ORF Verified YMR105C PGM2 13 477605 475896 C Phosphoglucomutase, catalyzes the conversion from glucose-1-phosphate to glucose-6-phosphate, which is a key step in hexose metabolism; functions as the acceptor for a Glc-phosphotransferase 4145 S000028692 ORF Uncharacterized YMR105W-A n.a. 13 478063 478257 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 4147 S000004712 ORF Verified YMR106C YKU80 13 480189 478300 C Forms heterodimer with Yku70p known as Ku, binds chromosome ends and is involved in maintaining normal telomere length and structure, in addition to participating in the formation of silent chromatin at telomere-proximal genes 4149 S000006627 tRNA n.a. tK(CUU)M n.a. 13 480692 480620 C tRNA-Lys 4153 S000004713 ORF Verified YMR107W SPG4 13 483013 483360 W Protein required for survival at high temperature during stationary phase; not required for growth on nonfermentable carbon sources 4155 S000004714 ORF Verified YMR108W ILV2 13 484083 486146 W Acetolactate synthase, catalyses the first common step in isoleucine and valine biosynthesis and is the target of several classes of inhibitors, localizes to the mitochondria; expression of the gene is under general amino acid control 4157 S000004715 ORF Verified YMR109W MYO5 13 486586 490245 W One of two type I myosins; contains proline-rich tail homology 2 (TH2) and SH3 domains; MYO5 deletion has little effect on growth, but myo3 myo5 double deletion causes severe defects in growth and actin cytoskeleton organization 4159 S000004716 ORF Uncharacterized YMR110C n.a. 13 491991 490393 C Hypothetical protein 4161 S000004717 ORF Uncharacterized YMR111C n.a. 13 493791 492403 C Hypothetical protein 4163 S000004718 ORF Verified YMR112C MED11 13 494494 494099 C 14 Kd mediator subunit of RNA polymerase II holoenzyme 4165 S000004719 ORF Verified YMR113W FOL3 13 494998 496281 W Dihydrofolate synthetase, involved in folic acid biosynthesis; catalyzes the conversion of dihydropteroate to dihydrofolate in folate coenzyme biosynthesis 4167 S000004720 ORF Uncharacterized YMR114C n.a. 13 497448 496342 C Hypothetical protein 4169 S000004721 ORF Uncharacterized YMR115W n.a. 13 497703 499208 W The authentic, non-tagged protein was localized to the mitochondria 4171 S000007501 snoRNA n.a. snR24 SNR24 13 500071 499983 C guides 2'-O-methylation on large subunit rRNA at C1437, A1449, and G1450; small nucleolar RNA U24 4173 S000004722 ORF Verified YMR116C ASC1 13 500687 499455 C WD repeat protein (G-beta like protein) involved in translation regulation; required for repression of Gcn4p activity in the absence of amino-acid starvation; core component of the ribosome; ortholog of mammalian RACK1 4176 S000031295 intron n.a. n.a. n.a. 13 500150 499878 C n.a. 4177 S000004723 ORF Verified YMR117C SPC24 13 501890 501249 C Component of the evolutionarily conserved kinetochore-associated Ndc80 complex (Ndc80p-Nuf2p-Spc24p-Spc25p); involved in chromosome segregation, spindle checkpoint activity and kinetochore clustering 4179 S000004724 ORF Uncharacterized YMR118C n.a. 13 502733 502143 C Hypothetical protein 4184 S000006644 tRNA n.a. tL(CAA)M n.a. 13 504894 505007 W tRNA-Leu 4185 S000033800 intron n.a. n.a. n.a. 13 504932 504963 W n.a. 4188 S000004725 ORF Verified YMR119W ASI1 13 505332 507206 W Putative integral membrane E3 ubiquitin ligase; genetic interactions suggest a role in negative regulation of amino acid uptake 4190 S000004726 ORF Dubious YMR119W-A n.a. 13 506995 507369 W Hypothetical protein 4192 S000004727 ORF Verified YMR120C ADE17 13 509279 507501 C Enzyme of 'de novo' purine biosynthesis containing both 5-aminoimidazole-4-carboxamide ribonucleotide transformylase and inosine monophosphate cyclohydrolase activities, isozyme of Ade16p; ade16 ade17 mutants require adenine and histidine 4194 S000004728 ORF Verified YMR121C RPL15B 13 510347 509733 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl15Ap and has similarity to rat L15 ribosomal protein; binds to 5.8 S rRNA 4196 S000004729 ORF Dubious YMR122C n.a. 13 511074 510700 C Hypothetical protein 4198 S000007524 ORF Uncharacterized YMR122W-A n.a. 13 511314 511568 W Hypothetical protein 4200 S000004730 ORF Verified YMR123W PKR1 13 513592 513960 W Protein of unknown function; overproduction confers resistance to Pichia farinosa killer toxin 4202 S000004731 ORF Uncharacterized YMR124W n.a. 13 514455 517286 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, bud, and bud neck 4204 S000004732 ORF Verified YMR125W STO1 13 517538 520445 W Large subunit of the nuclear mRNA cap-binding protein complex, interacts with Npl3p to carry poly(A)+ mRNA from the nucleus to the cytoplasm; also involved in mRNA degradation in the nucleus; orthologous to mammalian CBP80 4207 S000035484 intron n.a. n.a. n.a. 13 517563 517884 W n.a. 4208 S000004733 ORF Uncharacterized YMR126C n.a. 13 521788 520760 C Protein of unknown function, deletion causes sensitivity to thermal stress 4210 S000004734 ORF Verified YMR127C SAS2 13 523344 522328 C Histone acetyltransferase (HAT) catalytic subunit of the SAS complex (Sas2p-Sas4p-Sas5p), which acetylates free histones and nucleosomes and regulates transcriptional silencing; member of the MYSTacetyltransferase family 4212 S000004735 ORF Verified YMR128W ECM16 13 523695 527498 W Essential DEAH-box ATP-dependent RNA helicase specific to the U3 snoRNP, predominantly nucleolar in distribution, required for 18S rRNA synthesis 4214 S000004736 ORF Verified YMR129W POM152 13 527803 531816 W Nuclear pore membrane glycoprotein; may be involved in duplication of nuclear pores and nuclear pore complexes during S-phase; 4216 S000004737 ORF Uncharacterized YMR130W n.a. 13 532118 533026 W Hypothetical protein 4218 S000004738 ORF Verified YMR131C RRB1 13 534697 533162 C Essential nuclear protein involved in early steps of ribosome biogenesis; physically interacts with the ribosomal protein Rpl3p 4220 S000004739 ORF Uncharacterized YMR132C JLP2 13 535569 534943 C Protein of unknown function, contains sequence that closely resembles a J domain (typified by the E. coli DnaJ protein) 4222 S000004740 ORF Verified YMR133W REC114 13 536206 537608 W Protein involved in early stages of meiotic recombination; possibly involved in the coordination of recombination and meiotic division; mutations lead to premature initiation of the first meiotic division 4225 S000037487 intron n.a. n.a. n.a. 13 537448 537563 W n.a. 4226 S000004741 ORF Uncharacterized YMR134W n.a. 13 537837 538550 W Protein required for cell viability 4228 S000004743 ORF Dubious YMR135W-A n.a. 13 539910 540443 W Hypothetical protein 4230 S000004742 ORF Verified YMR135C GID8 13 540055 538688 C Protein of unknown function, involved in proteasome-dependent catabolite inactivation of fructose-1,6-bisphosphatase; contains LisH and CTLH domains, like Vid30p 4232 S000004744 ORF Verified YMR136W GAT2 13 541198 542880 W Protein containing GATA family zinc finger motifs; similar to Gln3p and Dal80p; expression repressed by leucine 4234 S000004745 ORF Verified YMR137C PSO2 13 544962 542977 C Required for a post-incision step in the repair of DNA single and double-strand breaks that result from interstrand crosslinks produced by a variety of mono- and bi-functional psoralen derivatives; induced by UV-irradiation 4236 S000004746 ORF Verified YMR138W CIN4 13 545154 545729 W GTP-binding protein involved in beta-tubulin (Tub2p) folding; isolated as mutant with increased chromosome loss and sensitivity to benomyl 4238 S000004747 ORF Verified YMR139W RIM11 13 546124 547236 W Protein kinase required for signal transduction during entry into meiosis; promotes the formation of the Ime1p-Ume6p complex by phosphorylating Ime1p and Ume6p; shares similarity with mammalian glycogen synthase kinase 3-beta 4240 S000004748 ORF Verified YMR140W SIP5 13 547713 549182 W Protein of unknown function; interacts with both the Reg1p/Glc7p phosphatase and the Snf1p kinase 4242 S000004749 ORF Dubious YMR141C n.a. 13 550043 549735 C Hypothetical protein 4244 S000028575 ORF Dubious YMR141W-A n.a. 13 550910 551134 W Identified by fungal homology and RT-PCR 4246 S000004750 ORF Verified YMR142C RPL13B 13 551206 550205 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl13Ap; not essential for viability; has similarity to rat L13 ribosomal protein 4249 S000032640 intron n.a. n.a. n.a. 13 551202 550801 C n.a. 4250 S000004751 ORF Verified YMR143W RPS16A 13 551927 552902 W Protein component of the small (40S) ribosomal subunit; identical to Rps16Bp and has similarity to E. coli S9 and rat S16 ribosomal proteins 4253 S000032781 intron n.a. n.a. n.a. 13 551951 552494 W n.a. 4254 S000004752 ORF Uncharacterized YMR144W n.a. 13 553361 554389 W Hypothetical protein 4256 S000004753 ORF Verified YMR145C NDE1 13 556474 554792 C Mitochondrial external NADH dehydrogenase, catalyzes the oxidation of cytosolic NADH; Nde1p and Nde2p are involved in providing the cytosolic NADH to the mitochondrial respiratory chain 4258 S000004754 ORF Verified YMR146C TIF34 13 558523 557480 C Subunit of the core complex of translation initiation factor 3(eIF3), which is essential for translation 4260 S000004755 ORF Uncharacterized YMR147W n.a. 13 559198 559869 W Hypothetical protein 4262 S000004756 ORF Uncharacterized YMR148W n.a. 13 560365 560811 W Hypothetical protein 4264 S000004757 ORF Verified YMR149W SWP1 13 560995 561855 W Delta subunit of the oligosaccharyl transferase glycoprotein complex, which is required for N-linked glycosylation of proteins in the endoplasmic reticulum 4266 S000004759 ORF Dubious YMR151W YIM2 13 562505 562942 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 5% of ORF overlaps the verified gene IMP1 4268 S000004758 ORF Verified YMR150C IMP1 13 562527 561955 C Catalytic subunit of the mitochondrial inner membrane peptidase complex, required for maturation of mitochondrial proteins of the intermembrane space; complex contains Imp1p and Imp2p (both catalytic subunits), and Som1p 4270 S000004760 ORF Verified YMR152W YIM1 13 563095 564192 W Mitochondrial inner membrane protease, similar to E. coli leader peptidase 4272 S000004762 ORF Verified YMR153W NUP53 13 564434 565861 W Subunit of the nuclear pore complex (NPC), interacts with karyopherin Kap121p or with Nup170p via overlapping regions of Nup53p, involved in activation of the spindle checkpoint mediated by the Mad1p-Mad2p complex 4274 S000004761 ORF Dubious YMR153C-A n.a. 13 565908 565573 C Hypothetical protein 4276 S000004763 ORF Verified YMR154C RIM13 13 568181 565998 C Calpain-like protease involved in proteolytic activation of Ri0m101p in response to alkaline pH; has similarity to A. nidulans palB 4278 S000004764 ORF Uncharacterized YMR155W n.a. 13 568550 570193 W Hypothetical protein 4280 S000004765 ORF Verified YMR156C TPP1 13 571015 570299 C DNA 3'-phosphatase that functions in repair of endogenous damage of double-stranded DNA, activity is specific for removal of 3' phosphates at strand breaks; has similarity to the l-2-haloacid dehalogenase superfamily 4282 S000004766 ORF Uncharacterized YMR157C n.a. 13 572043 571276 C The authentic, non-tagged protein was localized to the mitochondria 4284 S000004767 ORF Verified YMR158W MRPS8 13 572247 572714 W Mitochondrial ribosomal protein of the small subunit 4286 S000006664 tRNA n.a. tM(CAU)M EMT4 13 572954 572882 C tRNA that accepts methionine; functions in translational elongation but not translational initiation 4288 S000007249 ORF Uncharacterized YMR158C-A n.a. 13 573330 573193 C Similar to probable membrane protein YDR340W and to yeast CYC1/CYP3 transcription activator 4291 S000004768 ORF Dubious YMR158W-B n.a. 13 574470 574790 W Hypothetical protein 4293 S000004769 ORF Verified YMR159C ATG16 13 574927 574475 C Protein that interacts with the Atg12p-Atg5p conjugate during formation of the pre-autophagosomal structure; essential for autophagy 4295 S000004770 ORF Uncharacterized YMR160W n.a. 13 575065 577515 W Hypothetical protein 4297 S000004771 ORF Verified YMR161W HLJ1 13 577717 578391 W Co-chaperone for Hsp40p, anchored in the ER membrane; with its homolog Hdj1p promotes ER-associated protein degradation (ERAD) of integral membrane substrates; similar to E. coli DnaJ 4299 S000004772 ORF Verified YMR162C DNF3 13 583920 578950 C Non-essential P-type ATPase that is a potential aminophospholipid translocase, localizes to the trans-Golgi, likely involved in protein transport 4301 S000004773 ORF Uncharacterized YMR163C n.a. 13 586387 584270 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 4303 S000006765 tRNA n.a. tV(AAC)M3 n.a. 13 586708 586635 C tRNA-Val 4305 S000004774 ORF Verified YMR164C MSS11 13 589549 587273 C Transcription factor involved in regulation of invasive growth and starch degradation; controls the activation of MUC1 and STA2 in response to nutritional signals 4307 S000004775 ORF Verified YMR165C SMP2 13 592627 590039 C Protein of unknown function involved in respiration and plasmid maintenance; proposed to be involved in cell wall integrity 4309 S000004776 ORF Uncharacterized YMR166C n.a. 13 594472 593366 C Hypothetical protein 4311 S000004777 ORF Verified YMR167W MLH1 13 594885 597194 W Protein required for mismatch repair in mitosis and meiosis, postmeiotic segregation, and spore viability; forms a complex with Pms1p and Msh2p to repair mismatched DNA; human homolog is associated with hereditary non-polyposis colon cancer 4313 S000004778 ORF Verified YMR168C CEP3 13 599157 597331 C Essential kinetochore protein, component of the CBF3 complex that binds the CDEIII region of the centromere; contains an N-terminal Zn2Cys6 type zinc finger domain, a C-terminal acidic domain, and a putative coiled coil dimerization domain 4315 S000004779 ORF Verified YMR169C ALD3 13 600871 599351 C Cytoplasmic aldehyde dehydrogenase, involved in beta-alanine synthesis; uses NAD+ as the preferred coenzyme; very similar to Ald2p; expression is induced by stress and repressed by glucose 4317 S000004780 ORF Verified YMR170C ALD2 13 603081 601561 C Cytoplasmic aldehyde dehydrogenase, involved in ethanol oxidation and beta-alanine biosynthesis; uses NAD+ as the preferred coenzyme; expression is stress induced and glucose repressed; very similar to Ald3p 4319 S000004781 ORF Uncharacterized YMR171C n.a. 13 605519 603867 C Endosomal protein of unknown function, mRNA is targeted to the bud via the mRNA transport system involving She2p 4321 S000004783 ORF Verified YMR172W HOT1 13 605980 608139 W Transcription factor required for the transient induction of glycerol biosynthetic genes GPD1 and GPP2 in response to high osmolarity; targets Hog1p to osmostress responsive promoters; has similarity to Msn1p and Gcr1p 4323 S000004782 ORF Dubious YMR172C-A n.a. 13 608210 607827 C Hypothetical protein 4325 S000004784 ORF Verified YMR173W DDR48 13 608688 609980 W DNA damage-responsive protein, expression is increased in response to heat-shock stress or treatments that produce DNA lesions; contains multiple repeats of the amino acid sequence NNNDSYGS 4327 S000004785 ORF Dubious YMR173W-A n.a. 13 608896 610080 W Hypothetical protein 4329 S000004786 ORF Verified YMR174C PAI3 13 610364 610158 C Cytoplasmic proteinase A inhibitor, dependent on Pbs2p and Hog1p protein kinases for osmotic induction; intrinsically unstructured, N-terminal half becomes ordered in the active site of proteinase A upon contact 4331 S000004787 ORF Verified YMR175W SIP18 13 611015 611254 W Protein of unknown function whose expression is induced by osmotic stress 4333 S000028848 ORF Uncharacterized YMR175W-A n.a. 13 611313 611507 W Identified by expression profiling and mass spectrometry 4335 S000004788 ORF Verified YMR176W ECM5 13 611739 615974 W Non-essential protein of unknown function, contains ATP/GTP-binding site motif A; null mutant exhibits cellular volume up to four times greater than wild-type, also large drooping buds with elongated necks 4337 S000004789 ORF Verified YMR177W MMT1 13 616565 618097 W Putative metal transporter involved in mitochondrial iron accumulation; closely related to Mmt2p 4339 S000004790 ORF Uncharacterized YMR178W n.a. 13 618478 619302 W Hypothetical protein 4341 S000004791 ORF Verified YMR179W SPT21 13 619857 622133 W Protein required for normal transcription at several loci including HTA2-HTB2 and HHF2-HHT2, but not required at the other histone loci; functionally related to Spt10p 4343 S000004792 ORF Verified YMR180C CTL1 13 623212 622250 C RNA 5'-triphosphatase, localizes to both the nucleus and cytoplasm 4345 S000004793 ORF Uncharacterized YMR181C n.a. 13 624079 623615 C Protein of unknown function; open reading frame may be part of a bicistronic transcript with RGM1 4347 S000004794 ORF Verified YMR182C RGM1 13 625166 624531 C Putative transcriptional repressor with proline-rich zinc fingers; overproduction impairs cell growth 4349 S000028693 ORF Uncharacterized YMR182W-A n.a. 13 625810 625896 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 4351 S000028468 snoRNA n.a. snR83 SNR83 13 626348 626653 W H/ACA snoRNA; guides pseudouridylation of small subunit rRNA at position 1289 4353 S000004795 ORF Verified YMR183C SSO2 13 627807 626920 C Plasma membrane t-SNARE involved in fusion of secretory vesicles at the plasma membrane; syntaxin homolog that is functionally redundant with Sso1p 4355 S000004796 ORF Uncharacterized YMR184W n.a. 13 628188 628784 W Hypothetical protein 4357 S000004797 ORF Uncharacterized YMR185W n.a. 13 629024 631969 W Protein required for cell viability 4359 S000004798 ORF Verified YMR186W HSC82 13 632354 634471 W Cytoplasmic chaperone of the Hsp90 family, redundant in function and nearly identical with Hsp82p, and together they are essential; expressed constitutively at 10-fold higher basal levels that HSP82 and induced 2-3 fold by heat shock 4361 S000004799 ORF Uncharacterized YMR187C n.a. 13 635983 634688 C Hypothetical protein 4363 S000004800 ORF Verified YMR188C MRPS17 13 637003 636290 C Mitochondrial ribosomal protein of the small subunit 4365 S000004801 ORF Verified YMR189W GCV2 13 637499 640603 W P subunit of the mitochondrial glycine decarboxylase complex, required for the catabolism of glycine to 5,10-methylene-THF; expression is regulated by levels of levels of 5,10-methylene-THF in the cytoplasm 4367 S000004802 ORF Verified YMR190C SGS1 13 645257 640914 C Nucleolar DNA helicase of the RecQ family, involved in maintenance of genome integrity; has similarity to human BLM and WRN helicases implicated in Bloom and Werner syndromes 4369 S000004803 ORF Verified YMR191W SPG5 13 645655 646776 W Protein required for survival at high temperature during stationary phase; not required for growth on nonfermentable carbon sources 4371 S000004804 ORF Verified YMR192W GYL1 13 647117 649279 W Putative GTPase activating protein (GAP) that may have a role in polarized exocytosis; stimulates Gyp5p GAP activity on Ypt1p, colocalizes with Gyp5p at sites of polarized growth; interacts with Gyp5p, Rvs161p, and Rvs167p 4373 S000004806 ORF Verified YMR193W MRPL24 13 650035 650811 W Mitochondrial ribosomal protein of the large subunit 4375 S000004807 ORF Verified YMR194W RPL36A 13 651144 651909 W N-terminally acetylated protein component of the large (60S) ribosomal subunit, nearly identical to Rpl36Bp and has similarity to rat L36 ribosomal protein; binds to 5.8 S rRNA 4378 S000035871 intron n.a. n.a. n.a. 13 651160 651622 W n.a. 4379 S000004805 ORF Dubious YMR193C-A n.a. 13 651457 651071 C Hypothetical protein 4381 S000007293 snoRNA n.a. snR11 SNR11 13 652274 652531 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at position 2415 4383 S000028514 ORF Uncharacterized YMR194C-B n.a. 13 652886 652593 C Identified based on homology to Ashbya gossypii 4386 S000030282 intron n.a. n.a. n.a. 13 652846 652775 C n.a. 4387 S000007250 ORF Dubious YMR194C-A n.a. 13 653135 652911 C Hypothetical protein 4389 S000004808 ORF Uncharacterized YMR195W ICY1 13 654033 654416 W Protein that interacts with the cytoskeleton and is involved in chromatin organization and nuclear transport, interacts genetically with TCP1 and ICY2, required for viability in rich media of cells lacking mitochondrial DNA 4391 S000004809 ORF Uncharacterized YMR196W n.a. 13 655075 658341 W Hypothetical protein 4393 S000004810 ORF Verified YMR197C VTI1 13 659197 658544 C Protein involved in cis-Golgi membrane traffic; v-SNARE that interacts with two t-SNARES, Sed5p and Pep12p; required for multiple vacuolar sorting pathways 4395 S000004811 ORF Verified YMR198W CIK1 13 659744 661528 W CIK1 is important for proper organiziation of microtubule arrays and establishment of a spindle; is essential for karyogamy; and expression is regulated by KAR4 and mating; spindle pole body associated protein 4397 S000004812 ORF Verified YMR199W CLN1 13 662643 664283 W G1 cyclin involved in regulation of the cell cycle; activates Cdc28p kinase to promote the G1 to S phase transition; late G1 specific expression depends on transcription factor complexes, MBF (Swi6p-Mbp1p) and SBF (Swi6p-Swi4p) 4399 S000004813 ORF Verified YMR200W ROT1 13 664751 665521 W Protein that may be involved in cell wall function; mutations in rot1 cause cell wall defects, suppress tor2 mutations, and are synthetically lethal with rot2 mutations 4401 S000004814 ORF Verified YMR201C RAD14 13 667043 665844 C Protein that recognizes and binds damaged DNA during nucleotide excision repair; subunit of Nucleotide Excision Repair Factor 1 (NEF1); contains zinc finger motif; homolog of human XPA protein 4404 S000035531 intron n.a. n.a. n.a. 13 667016 666933 C n.a. 4405 S000004815 ORF Verified YMR202W ERG2 13 667536 668204 W C-8 sterol isomerase, catalyzes the isomerization of the delta-8 double bond to the delta-7 position at an intermediate step in ergosterol biosynthesis 4407 S000004816 ORF Verified YMR203W TOM40 13 668491 669654 W Essential component of the preprotein translocase of the mitochondrial outer membrane (TOM complex) in which it constitutes the core element of the protein conducting pore 4409 S000004817 ORF Verified YMR204C INP1 13 671324 670062 C Peripheral membrane protein of peroxisomes involved in peroxisomal inheritance 4411 S000004818 ORF Verified YMR205C PFK2 13 674765 671886 C Beta subunit of heterooctameric phosphofructokinase involved in glycolysis, indispensable for anaerobic growth, activated by fructose-2,6-bisphosphate and AMP, mutation inhibits glucose induction of cell cycle-related genes 4413 S000004819 ORF Uncharacterized YMR206W n.a. 13 675895 676836 W Hypothetical protein 4415 S000004820 ORF Verified YMR207C HFA1 13 683563 677192 C Mitochondrial acetyl-coenzyme A carboxylase, catalyzes the production of malonyl-CoA in mitochondrial fatty acid biosynthesis 4417 S000004821 ORF Verified YMR208W ERG12 13 684466 685797 W Mevalonate kinase, acts in the biosynthesis of isoprenoids and sterols, including ergosterol, from mevalonate 4419 S000004822 ORF Uncharacterized YMR209C n.a. 13 687283 685910 C Hypothetical protein 4421 S000004823 ORF Uncharacterized YMR210W n.a. 13 687515 688864 W Hypothetical protein 4423 S000004824 ORF Verified YMR211W DML1 13 689082 690509 W Essential protein involved in mtDNA inheritance, may also function in the partitioning of the mitochondrial organelle or in the segregation of chromosomes, exhibits regions similar to members of a GTPase family 4425 S000004825 ORF Verified YMR212C EFR3 13 693042 690694 C Non-essential protein of unknown function; exhibits synthetic lethal genetic interactions with PHO85; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 4427 S000004826 ORF Verified YMR213W CEF1 13 693380 695152 W Essential splicing factor; associated with Prp19p and the spliceosome, contains an N-terminal c-Myb DNA binding motif necessary for cell viability but not for Prp19p association, evolutionarily conserved and homologous to S. pombe Cdc5p 4429 S000004827 ORF Verified YMR214W SCJ1 13 695349 696482 W One of several homologs of bacterial chaperone DnaJ, located in the ER lumen where it cooperates with Kar2p to mediate maturation of proteins 4431 S000004828 ORF Verified YMR215W GAS3 13 696795 698369 W Putative 1,3-beta-glucanosyltransferase, has similarity to Gas1p; localizes to the cell wall 4433 S000004829 ORF Verified YMR216C SKY1 13 701038 698810 C SR protein kinase (SRPK) involved in regulating proteins involved in mRNA metabolism and cation homeostasis; similar to human SRPK1 4435 S000004830 ORF Verified YMR217W GUA1 13 701789 703366 W GMP synthase, an enzyme that catalyzes the second step in the biosynthesis of GMP from inosine 5'-phosphate (IMP); transcription is not subject to regulation by guanine but is negatively regulated by nutrient starvation 4437 S000004831 ORF Verified YMR218C TRS130 13 706886 703578 C One of 10 subunits of the transport protein particle (TRAPP) complex of the cis-Golgi which mediates vesicle docking and fusion; involved in ER to Golgi membrane traffic; mutation activates transcription of OCH1 4439 S000004832 ORF Verified YMR219W ESC1 13 707132 712108 W Protein localized to the nuclear periphery, involved in telomeric silencing; interacts with PAD4-domain of Sir4p 4441 S000004833 ORF Verified YMR220W ERG8 13 712315 713670 W Phosphomevalonate kinase, an essential cytosolic enzyme that acts in the biosynthesis of isoprenoids and sterols, including ergosterol, from mevalonate 4443 S000004834 ORF Uncharacterized YMR221C n.a. 13 715444 713930 C The authentic, non-tagged protein was localized to the mitochondria 4445 S000004835 ORF Verified YMR222C FSH2 13 716308 715637 C Serine hydrolase that localizes to both the nucleus and cytoplasm; sequence is similar to Fsh1p and Fsh3p 4447 S000004836 ORF Verified YMR223W UBP8 13 716714 718129 W Ubiquitin-specific protease that is a component of the SAGA (Spt-Ada-Gcn5-Acetyltransferase) acetylation complex; required for SAGA-mediated deubiquitination of histone H2B 4449 S000004837 ORF Verified YMR224C MRE11 13 720652 718574 C Subunit of a complex with Rad50p and Xrs2p (RMX complex) that functions in repair of DNA double-strand breaks and in telomere stability, exhibits nuclease activity that appears to be required for RMX function; widely conserved 4451 S000004838 ORF Verified YMR225C MRPL44 13 721402 720959 C Mitochondrial ribosomal protein of the large subunit 4454 S000036821 intron n.a. n.a. n.a. 13 721344 721198 C n.a. 4455 S000004839 ORF Uncharacterized YMR226C n.a. 13 722395 721592 C NADP(+)-dependent dehydrogenase; acts on serine, L-allo-threonine, and other 3-hydroxy acids 4457 S000004840 ORF Verified YMR227C TAF7 13 724384 722612 C TFIID subunit (67 kDa), involved in RNA polymerase II transcription initiation 4459 S000004841 ORF Verified YMR228W MTF1 13 724625 725650 W Mitochondrial RNA polymerase sigma-like specificity factor required for promoter recognition, interacts with mitochondrial core polymerase Rpo41p, imported into mitochondria via a novel process requiring most of the Mtf1p sequence 4461 S000004842 ORF Verified YMR229C RRP5 13 731122 725933 C Protein required for the synthesis of both 18S and 5.8S rRNA; C-terminal region is crucial for the formation of 18S rRNA and N-terminal region is required for the 5.8S rRNA; component of small ribosomal subunit (SSU) processosome 4463 S000004843 ORF Verified YMR230W RPS10B 13 732413 733140 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps10Ap and has similarity to rat ribosomal protein S10 4466 S000030775 intron n.a. n.a. n.a. 13 732465 732874 W n.a. 4467 S000028576 ORF Uncharacterized YMR230W-A n.a. 13 733267 733455 W Identified by fungal homology and RT-PCR 4469 S000004844 ORF Verified YMR231W PEP5 13 733544 736633 W Peripheral vacuolar membrane protein required for protein trafficking and vacuole biogenesis; forms complex with Pep3p that promotes vesicular docking/fusion reactions in conjunction with SNARE proteins, also interacts with Pep7p 4471 S000004845 ORF Verified YMR232W FUS2 13 736925 738958 W Cytoplasmic protein localized to the shmoo tip; required for the alignment of parental nuclei before nuclear fusion during mating 4473 S000004846 ORF Uncharacterized YMR233W n.a. 13 739184 739864 W Interacts with Top1p in 2-hybrid assay. 4475 S000004847 ORF Verified YMR234W RNH1 13 740265 741311 W Ribonuclease H1, removes RNA primers during Okazaki fragment synthesis; degrades RNA attached to the 5'-end of a DNA strand 4477 S000004848 ORF Verified YMR235C RNA1 13 742734 741511 C GTPase activating protein (GAP) for Gsp1p, involved in nuclear transport 4479 S000004849 ORF Verified YMR236W TAF9 13 742970 743443 W Subunit (17 kDa) of TFIID and SAGA complexes, involved in RNA polymerase II transcription initiation and in chromatin modification, similar to histone H3 4481 S000004850 ORF Uncharacterized YMR237W n.a. 13 743748 745922 W Protein that colocalizes with clathrin-coated vesicles; involved in transport at the trans-Golgi 4483 S000004851 ORF Verified YMR238W DFG5 13 746352 747728 W Mannosidase, essential glycosylphosphatidylinositol (GPI)-anchored membrane protein required for cell wall biogenesis, involved in filamentous growth, homologous to Dcw1p 4485 S000006717 tRNA n.a. tR(UCU)M1 n.a. 13 747962 747891 C tRNA-Arg 4487 S000004852 ORF Verified YMR239C RNT1 13 749676 748261 C RNAase III; cleaves a stem-loop structure at the 3' end of U2 snRNA to ensure formation of the correct U2 3' end 4489 S000004853 ORF Verified YMR240C CUS1 13 751239 749929 C Protein required for assembly of U2 snRNP into the spliceosome, forms a complex with Hsh49p and Hsh155p 4491 S000004854 ORF Verified YMR241W YHM2 13 751960 752904 W Mitochondrial DNA-binding protein, component of the mitochondrial nucleoid structure, involved in mtDNA replication and segregation of mitochondrial genomes; member of the mitochondrial carrier protein family 4493 S000004855 ORF Verified YMR242C RPL20A 13 754196 753224 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl20Bp and has similarity to rat L18a ribosomal protein 4496 S000035253 intron n.a. n.a. n.a. 13 754177 753742 C n.a. 4497 S000028694 ORF Uncharacterized YMR242W-A n.a. 13 754296 754385 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 4499 S000004856 ORF Verified YMR243C ZRC1 13 756165 754837 C Vacuolar membrane zinc transporter, transports zinc from the cytosol into the vacuole for storage; also has a role in resistance to zinc shock resulting from a sudden influx of zinc into the cytoplasm 4501 S000004858 ORF Uncharacterized YMR244W n.a. 13 757249 758316 W Hypothetical protein 4503 S000004859 ORF Dubious YMR245W n.a. 13 758562 759182 W Hypothetical protein 4505 S000004857 ORF Uncharacterized YMR244C-A n.a. 13 758830 758516 C Hypothetical protein 4507 S000004860 ORF Verified YMR246W FAA4 13 759806 761890 W Long chain fatty acyl-CoA synthetase 4509 S000004861 ORF Uncharacterized YMR247C n.a. 13 768038 763350 C Hypothetical protein 4511 S000006519 tRNA n.a. tA(AGC)M2 n.a. 13 768440 768368 C tRNA-Ala 4514 S000028849 ORF Uncharacterized YMR247W-A n.a. 13 769282 769425 W Identified by expression profiling and mass spectrometry 4516 S000004862 ORF Verified YMR250W GAD1 13 770800 772557 W Glutamate decarboxylase, converts glutamate into gamma-aminobutyric acid (GABA) during glutamate catabolism; involved in response to oxidative stress 4518 S000004863 ORF Uncharacterized YMR251W n.a. 13 772914 774014 W Omega class glutathione transferase 4520 S000004864 ORF Verified YMR251W-A HOR7 13 774751 774930 W Protein of unknown function; overexpression suppresses Ca2+ sensitivity of mutants lacking inositol phosphorylceramide mannosyltransferases Csg1p and Csh1p; transcription is induced under hyperosmotic stress and repressed by alpha factor 4522 S000004865 ORF Uncharacterized YMR252C n.a. 13 775718 775314 C Hypothetical protein 4524 S000004866 ORF Uncharacterized YMR253C n.a. 13 777189 775945 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 4526 S000004867 ORF Dubious YMR254C n.a. 13 777922 777614 C Hypothetical protein 4528 S000004868 ORF Verified YMR255W GFD1 13 778000 778566 W Coiled-coiled protein of unknown function, identified as a high-copy suppressor of a dbp5 mutation 4530 S000004869 ORF Verified YMR256C COX7 13 779126 778944 C Subunit VII of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain 4532 S000004870 ORF Verified YMR257C PET111 13 782030 779628 C Specific translational activator for the COX2 mRNA, located in the mitochondrial inner membrane 4534 S000004871 ORF Uncharacterized YMR258C n.a. 13 784280 782619 C Hypothetical protein 4536 S000004872 ORF Uncharacterized YMR259C n.a. 13 788882 784620 C Hypothetical protein 4538 S000004873 ORF Verified YMR260C TIF11 13 789838 789377 C Translation initiation factor eIF1A, essential protein that forms a complex with Sui1p (eIF1) and the 40S ribosomal subunit and scans for the start codon; C-terminus associates with Fun12p (eIF5B); N terminus interacts with eIF2 and eIF3 4540 S000004874 ORF Verified YMR261C TPS3 13 793368 790204 C Regulatory subunit of trehalose-6-phosphate synthase/phosphatase complex, which synthesizes the storage carbohydrate trehalose; expression is induced by stress conditions and repressed by the Ras-cAMP pathway 4542 S000004875 ORF Uncharacterized YMR262W n.a. 13 793725 794666 W Hypothetical protein 4544 S000004876 ORF Verified YMR263W SAP30 13 794918 795523 W Subunit of a histone deacetylase complex, along with Rpd3p and Sin3p, that is involved in silencing at telomeres, rDNA, and silent mating-type loci 4546 S000004877 ORF Verified YMR264W CUE1 13 795804 796415 W Endoplasmic reticulum membrane protein that recruits the ubiquitin-conjugating enzyme Ubc7p to the ER where it functions in protein degradation; contains a CUE domain that binds ubiquitin to facilitate intramolecular monoubiquitination 4548 S000004878 ORF Uncharacterized YMR265C n.a. 13 797924 796539 C Hypothetical protein 4550 S000004879 ORF Uncharacterized YMR266W n.a. 13 798517 801378 W Membrane protein of unknown function; overexpression suppresses NaCl sensitivity of sro7 mutant 4552 S000004880 ORF Verified YMR267W PPA2 13 801771 802703 W Mitochondrial inorganic pyrophosphatase, required for mitochondrial function and possibly involved in energy generation from inorganic pyrophosphate 4554 S000004881 ORF Verified YMR268C PRP24 13 804221 802887 C Splicing factor that reanneals U4 and U6 snRNPs during spliceosome recycling 4556 S000004882 ORF Uncharacterized YMR269W n.a. 13 804455 805090 W Nucleolar protein of unknown function 4558 S000004883 ORF Verified YMR270C RRN9 13 806422 805325 C Upstream activation factor subunit 4560 S000004884 ORF Verified YMR271C URA10 13 807547 806864 C One of two orotate phosphoribosyltransferase isozymes (see also URA5) that catalyze the fifth enzymatic step in the de novo biosynthesis of pyrimidines, converting orotate into orotidine-5'-phosphate 4562 S000006690 tRNA n.a. tQ(CUG)M CDC65 13 808316 808245 C Glutamine tRNA with anticodon CUG 4566 S000028695 ORF Dubious YMR272W-A n.a. 13 810465 810578 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 4568 S000004885 ORF Verified YMR272C SCS7 13 810776 809622 C Sphingolipid alpha-hydroxylase, functions in the alpha-hydroxylation of sphingolipid-associated very long chain fatty acids, has both cytochrome b5-like and hydroxylase/desaturase domains, not essential for growth 4570 S000028696 ORF Uncharacterized YMR272W-B n.a. 13 811088 811195 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 4572 S000004886 ORF Verified YMR273C ZDS1 13 813979 811232 C Protein that interacts with silencing proteins at the telomere, involved in transcriptional silencing; has a role in localization of Bcy1p, a regulatory subunit of protein kinase A; implicated in mRNA nuclear export 4574 S000004887 ORF Verified YMR274C RCE1 13 815310 814363 C Type II CAAX prenyl protease involved in the proteolysis and maturation of Ras and the a-factor mating pheromone 4576 S000004888 ORF Verified YMR275C BUL1 13 818580 815650 C Ubiquitin-binding component of the Rsp5p E3-ubiquitin ligase complex, functional homolog of Bul2p, disruption causes temperature-sensitive growth, overexpression causes missorting of amino acid permeases 4578 S000004889 ORF Verified YMR276W DSK2 13 818826 819947 W Nuclear-enriched ubiquitin-like polyubiquitin-binding protein, required for spindle pole body (SPB) duplication and for transit through the G2/M phase of the cell cycle, involved in proteolysis, interacts with the proteasome 4580 S000004890 ORF Verified YMR277W FCP1 13 820255 822453 W Carboxy-terminal domain (CTD) phosphatase, essential for dephosphorylation of the repeated C-terminal domain of the RNA polymerase II large subunit (Rpo21p) 4582 S000004891 ORF Uncharacterized YMR278W n.a. 13 822762 824630 W Hypothetical protein 4584 S000004892 ORF Uncharacterized YMR279C n.a. 13 826350 824728 C Hypothetical protein 4586 S000004893 ORF Verified YMR280C CAT8 13 831328 827027 C Zinc cluster transcriptional activator necessary for derepression of a variety of genes under non-fermentative growth conditions, active after diauxic shift, binds carbon source responsive elements 4588 S000004894 ORF Verified YMR281W GPI12 13 832338 833252 W ER membrane protein involved in the second step of glycosylphosphatidylinositol (GPI) anchor assembly, the de-N-acetylation of the N-acetylglucosaminylphosphatidylinositol intermediate; functional homolog of human PIG-Lp 4590 S000004895 ORF Verified YMR282C AEP2 13 835097 833355 C Mitochondrial protein, likely involved in translation of the mitochondrial OLI1 mRNA; exhibits genetic interaction with the OLI1 mRNA 5'-untranslated leader 4592 S000004896 ORF Verified YMR283C RIT1 13 836866 835325 C 2'-O-ribosyl phosphate transferase, modifies the initiator methionine tRNA at position 64 to distinguish it from elongator methionine tRNA 4595 S000006784 tRNA n.a. tY(GUA)M2 SUP8 13 837927 838015 W tRNA-Tyr 4596 S000032300 intron n.a. n.a. n.a. 13 837966 837979 W n.a. 4599 S000004897 ORF Verified YMR284W YKU70 13 838186 839994 W Forms heterodimer with Yku80p known as Ku, binds chromosome ends and is involved in maintaining normal telomere length and structure, in addition to participating in the formation of silent chromatin at telomere-proximal genes 4601 S000004898 ORF Verified YMR285C NGL2 13 841690 840143 C Protein involved in 5.8S rRNA processing; Ccr4p-like RNase required for correct 3'-end formation of 5.8S rRNA at site E; similar to Ngl1p and Ngl3p 4603 S000004899 ORF Verified YMR286W MRPL33 13 841941 842201 W Mitochondrial ribosomal protein of the large subunit 4605 S000004900 ORF Verified YMR287C MSU1 13 845344 842435 C RNase, component of the mitochondrial degradosome along with the ATP-dependent RNA helicase Suv3p; the degradosome associates with the ribosome and mediates turnover of aberrant or unprocessed RNAs 4607 S000004901 ORF Verified YMR288W HSH155 13 845570 848485 W U2-snRNP associated splicing factor that forms extensive associations with the branch site-3' splice site-3' exon region upon prespliceosome formation; similarity to the mammalian U2 snRNP-associated splicing factor SAP155 4609 S000004902 ORF Uncharacterized YMR289W n.a. 13 848684 849808 W 4-amino-4-deoxychorismate lyase, catalyzes the third step in para-aminobenzoic acid biosynthesis 4611 S000004904 ORF Dubious YMR290W-A n.a. 13 851421 851768 W Protein required for cell viability 4613 S000004903 ORF Verified YMR290C HAS1 13 851590 850073 C ATP-dependent RNA helicase; localizes to both the nuclear periphery and nucleolus; highly enriched in nuclear pore complex fractions; constituent of 66S pre-ribosomal particles 4615 S000004905 ORF Uncharacterized YMR291W n.a. 13 852629 854389 W Hypothetical protein 4617 S000004906 ORF Verified YMR292W GOT1 13 854794 855292 W Evolutionarily conserved non-essential protein present in early Golgi cisternae that may be involved in ER-Golgi transport at a step after vesicle tethering to Golgi membranes, exhibits membrane topology similar to that of Sft2p 4620 S000037004 intron n.a. n.a. n.a. 13 854816 854897 W n.a. 4621 S000004907 ORF Uncharacterized YMR293C n.a. 13 856792 855398 C protein similar to bacterial glutamyl-tRNA amidotransferases 4623 S000004908 ORF Verified YMR294W JNM1 13 856965 858086 W Component of the yeast dynactin complex, consisting of Nip100p, Jnm1p, and Arp1p; required for proper nuclear migration and spindle partitioning during mitotic anaphase B 4625 S000004909 ORF Dubious YMR294W-A n.a. 13 858208 858567 W Hypothetical protein 4627 S000004910 ORF Uncharacterized YMR295C n.a. 13 858889 858296 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery and bud 4629 S000004911 ORF Verified YMR296C LCB1 13 860890 859214 C Component of serine palmitoyltransferase, responsible along with Lcb2p for the first committed step in sphingolipid synthesis, which is the condensation of serine with palmitoyl-CoA to form 3-ketosphinganine 4631 S000004912 ORF Verified YMR297W PRC1 13 861921 863519 W Vacuolar carboxypeptidase Y (proteinase C), involved in protein degradation in the vacuole and required for full protein degradation during sporulation 4633 S000004913 ORF Verified YMR298W LIP1 13 863818 864270 W Ceramide synthase subunit; single-span ER membrane protein associated with Lag1p and Lac1p and required for ceramide synthase activity, null mutant grows extremely slowly and is defective in ceramide synthesis 4635 S000004914 ORF Verified YMR299C DYN3 13 865349 864411 C Dynein light intermediate chain (LIC); localizes with dynein, null mutant is defective in nuclear migration 4637 S000004915 ORF Verified YMR300C ADE4 13 867090 865558 C Phosphoribosylpyrophosphate amidotransferase (PRPPAT; amidophosphoribosyltransferase), catalyzes first step of the 'de novo' purine nucleotide biosynthetic pathway 4639 S000004916 ORF Verified YMR301C ATM1 13 869626 867554 C Mitochondrial inner membrane transporter, exports mitochondrially synthesized precursors of iron-sulfur (Fe/S) clusters to the cytosol; member of the ATP-binding cassette (ABC) transporter family 4641 S000004917 ORF Verified YMR302C PRP12 13 872624 870072 C Integral inner mitochondrial membrane protein with similarity to exonucleases; prp12 mutants exhibit an increased rate of mt DNA escape 4643 S000004918 ORF Verified YMR303C ADH2 13 874336 873290 C Glucose-repressible alcohol dehydrogenase II, catalyzes the conversion of ethanol to acetaldehyde; involved in the production of certain carboxylate esters; regulated by ADR1 4645 S000004920 ORF Verified YMR304W UBP15 13 874986 878678 W Ubiquitin-specific protease that may play a role in ubiquitin precursor processing 4647 S000004919 ORF Dubious YMR304C-A n.a. 13 879129 878779 C Hypothetical protein 4649 S000004921 ORF Verified YMR305C SCW10 13 880231 879062 C Cell wall protein with similarity to glucanases; may play a role in conjugation during mating based on mutant phenotype and its regulation by Ste12p 4651 S000004923 ORF Verified YMR306W FKS3 13 881158 886515 W Protein of unknown function, has similarity to 1,3-beta-D-glucan synthase catalytic subunits Fks1p and Gsc2p 4653 S000004922 ORF Dubious YMR306C-A n.a. 13 886571 886182 C Hypothetical protein 4655 S000004924 ORF Verified YMR307W GAS1 13 887002 888681 W Beta-1.3-glucanosyltransferase, required for cell wall assembly; localizes to the cell surface via a glycosylphosphatidylinositol (GPI) anchor 4657 S000028578 ORF Dubious YMR307C-A n.a. 13 887924 887730 C Identified by fungal homology and RT-PCR 4659 S000004925 ORF Verified YMR308C PSE1 13 892220 888951 C Karyopherin/importin that interacts with the nuclear pore complex; acts as the nuclear import receptor for specific proteins, including Pdr1p, Yap1p, Ste12p, and Aft1p 4661 S000004926 ORF Verified YMR309C NIP1 13 895425 892987 C Subunit of the eukaryotic translation initiation factor 3 (eIF3), involved in the assembly of preinitiation complex and start codon selection 4663 S000004927 ORF Uncharacterized YMR310C n.a. 13 896668 895715 C Hypothetical protein 4665 S000004928 ORF Verified YMR311C GLC8 13 897602 896913 C Regulatory subunit of protein phosphatase 1 (Glc7p), involved in glycogen metabolism and chromosome segregation; proposed to regulate Glc7p activity via conformational alteration; ortholog of the mammalian protein phosphatase inhibitor 2 4667 S000004929 ORF Verified YMR312W ELP6 13 898404 899225 W Elongator protein, part of the HAP subcomplex of Elongator, which is a six-subunit component of the RNA polymerase II holoenzyme; required for Elongator structural integrity and histone acetyltransferase activity 4669 S000004930 ORF Verified YMR313C TGL3 13 901306 899378 C Triacylglycerol lipase of the lipid particle, responsible for all the TAG lipase activity of the lipid particle; contains the consensus sequence motif GXSXG, which is found in lipolytic enzymes 4671 S000004931 ORF Verified YMR314W PRE5 13 901708 902412 W 20S proteasome alpha-type subunit 4673 S000004932 ORF Uncharacterized YMR315W n.a. 13 902799 903848 W Hypothetical protein 4675 S000028697 ORF Uncharacterized YMR315W-A n.a. 13 904285 904392 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 4677 S000004935 ORF Verified YMR316W DIA1 13 904823 905833 W Protein of unknown function, involved in invasive and pseudohyphal growth; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 4679 S000004933 ORF Dubious YMR316C-A n.a. 13 905971 905660 C Hypothetical protein 4681 S000004936 ORF Uncharacterized YMR317W n.a. 13 907362 910784 W Hypothetical protein 4683 S000004934 ORF Dubious YMR316C-B n.a. 13 907627 907319 C Hypothetical protein 4685 S000004937 ORF Verified YMR318C ADH6 13 912141 911059 C NADPH-dependent cinnamyl alcohol dehydrogenase family member with broad substrate specificity; may be involved in fusel alcohol synthesis or in aldehyde tolerance 4687 S000004938 ORF Verified YMR319C FET4 13 914536 912878 C Low-affinity Fe(II) transporter of the plasma membrane 4689 S000004939 ORF Dubious YMR320W n.a. 13 916744 917049 W Hypothetical protein 4691 S000004940 ORF Uncharacterized YMR321C n.a. 13 917894 917577 C Hypothetical protein 4693 S000004941 ORF Uncharacterized YMR322C SNO4 13 919077 918364 C Possible chaperone and cysteine protease with similarity to E. coli Hsp31 and S. cerevisiae Hsp31p, Hsp32p, and Hsp33p; member of the DJ-1/ThiJ/PfpI superfamily; may have a role in pyridoxine metabolism 4695 S000004942 ORF Verified YMR323W ERR3 13 920086 921399 W Protein of unknown function, has similarity to enolases 4697 S000004943 ORF Dubious YMR324C n.a. 13 922442 922200 C Hypothetical protein 4699 S000004944 ORF Uncharacterized YMR325W n.a. 13 922639 923013 W Hypothetical protein 4705 S000004945 ORF Dubious YMR326C n.a. 13 923800 923492 C Hypothetical protein 4710 S000028704 ORF Dubious YNL339W-B n.a. 14 734 1216 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 4712 S000028703 ORF Dubious YNL339W-A n.a. 14 1517 2092 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 4714 S000005283 ORF Verified YNL339C YRF1-6 14 6098 371 C Helicase encoded by the Y' element of subtelomeric regions, highly expressed in the mutants lacking the telomerase component TLC1; potentially phosphorylated by Cdc28p 4717 S000031359 intron n.a. n.a. n.a. 14 6079 5932 C n.a. 4718 S000005282 ORF Dubious YNL338W n.a. 14 6561 6719 W Hypothetical protein 4725 S000005281 ORF Dubious YNL337W n.a. 14 7165 7419 W Hypothetical protein 4730 S000005280 ORF Verified YNL336W COS1 14 8330 9475 W Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 4732 S000005279 ORF Uncharacterized YNL335W n.a. 14 11452 12129 W Hypothetical protein 4734 S000005278 ORF Verified YNL334C SNO2 14 12876 12208 C Protein of unknown function, nearly identical to Sno3p; expression is induced before the diauxic shift and also in the absence of thiamin 4736 S000005277 ORF Verified YNL333W SNZ2 14 13267 14163 W Member of a stationary phase-induced gene family; transcription of SNZ2 is induced prior to diauxic shift, and also in the absence of thiamin in a Thi2p-dependent manner; forms a coregulated gene pair with SNO2; interacts with Thi11p 4738 S000005276 ORF Verified YNL332W THI12 14 14832 15854 W Protein involved in synthesis of the thiamine precursor hydroxymethylpyrimidine (HMP); member of a subtelomeric gene family including THI5, THI11, THI12, and THI13 4740 S000005275 ORF Verified YNL331C AAD14 14 17248 16118 C Putative aryl-alcohol dehydrogenase with similarity to P. chrysosporium aryl-alcohol dehydrogenase; mutational analysis has not yet revealed a physiological role 4742 S000005274 ORF Verified YNL330C RPD3 14 19302 18001 C Histone deacetylase; regulates transcription and silencing 4744 S000005273 ORF Verified YNL329C PEX6 14 22633 19541 C Peroxisomal membrane AAA-family ATPase peroxin required for peroxisome assembly, contains two 230 amino acid ATP-binding AAA cassettes, interacts with Pex1p 4746 S000005272 ORF Verified YNL328C MDJ2 14 23274 22834 C Protein of the mitochondrial inner membrane; function partially overlaps that of Mdj1p, which is a chaperone involved in folding of mitochondrially synthesized proteins in the mitochondrial matrix; member of the DnaJ family 4748 S000005271 ORF Verified YNL327W EGT2 14 24047 27172 W Glycosylphosphatidylinositol (GPI)-anchored cell wall endoglucanase required for proper cell separation after cytokinesis, expression is activated by Swi5p and tightly regulated in a cell cycle-dependent manner 4750 S000005270 ORF Uncharacterized YNL326C n.a. 14 28346 27336 C Palmitoyltransferase for Vac8p, one of three yeast DHHC-cysteine rich domain proteins (Pfa3p, Erf2p, Akr1p) with palmitoyltransferase activity; required for vacuolar integrity under stress conditions 4752 S000005268 ORF Dubious YNL324W n.a. 14 31049 31444 W Hypothetical protein 4754 S000005269 ORF Verified YNL325C FIG4 14 31377 28738 C Protein required for efficient mating, member of a family of eukaryotic proteins that contain a domain homologous to Sac1p 4756 S000005267 ORF Verified YNL323W LEM3 14 31943 33187 W Membrane protein of the plasma membrane and ER, involved in translocation of phospholipids and alkylphosphocholine drugs across the plasma membrane 4758 S000005266 ORF Verified YNL322C KRE1 14 34234 33293 C Cell wall glycoprotein involved in beta-glucan assembly; serves as a K1 killer toxin membrane receptor 4760 S000005265 ORF Uncharacterized YNL321W n.a. 14 34695 37421 W Protein of unknown function, potential Cdc28p substrate 4762 S000005264 ORF Uncharacterized YNL320W n.a. 14 37699 38553 W Hypothetical protein 4764 S000005263 ORF Dubious YNL319W n.a. 14 38641 39081 W Hypothetical protein 4766 S000005262 ORF Verified YNL318C HXT14 14 40328 38706 C Protein of unknown function with similarity to hexose transporter family members, expression is induced by low levels of glucose and repressed by high levels of glucose 4768 S000005261 ORF Verified YNL317W PFS2 14 40618 42015 W Integral subunit of the pre-mRNA cleavage and polyadenylation factor (CPF) complex; plays an essential role in mRNA 3'-end formation by bridging different processing factors and thereby promoting the assembly of the processing complex 4770 S000005260 ORF Verified YNL316C PHA2 14 43074 42070 C Prephenate dehydratase, catalyzes the conversion of prephanate to phenylpyruvate, which is a step in the phenylalanine biosynthesis pathway 4772 S000005259 ORF Verified YNL315C ATP11 14 44279 43323 C Molecular chaperone, required for the assembly of alpha and beta subunits into the F1 sector of mitochondrial F1F0 ATP synthase 4774 S000005258 ORF Verified YNL314W DAL82 14 44446 45213 W Positive regulator of allophanate inducible genes; binds a dodecanucleotide sequence upstream of all genes that are induced by allophanate; contains an UISALL DNA-binding, a transcriptional activation, and a coiled-coil domain 4776 S000005257 ORF Uncharacterized YNL313C n.a. 14 48021 45307 C Protein required for cell viability 4778 S000005256 ORF Verified YNL312W RFA2 14 48286 49215 W Subunit of heterotrimeric Replication Factor A (RF-A), which is a highly conserved single-stranded DNA binding protein involved in DNA replication, repair, and recombination 4781 S000036980 intron n.a. n.a. n.a. 14 48293 48400 W n.a. 4782 S000005255 ORF Uncharacterized YNL311C n.a. 14 51687 49396 C F-box protein 4784 S000005254 ORF Verified YNL310C ZIM17 14 52523 51906 C Essential component of the mitochondrial import system; zinc finger protein that may act with Pam18p to facilitate recognition and folding of imported proteins by Ssc1p (mtHSP70) in the mitochondrial matrix 4786 S000005253 ORF Verified YNL309W STB1 14 52661 53923 W Protein with a role in regulation of MBF-specific transcription at Start, phosphorylated by Cln-Cdc28p kinases in vitro; unphosphorylated form binds Swi6p and binding is required for Stb1p function; expression is cell-cycle regulated 4788 S000005252 ORF Verified YNL308C KRI1 14 55896 54121 C Essential nucleolar protein required for 40S ribosome biogenesis; physically and functionally interacts with Krr1p 4790 S000005251 ORF Verified YNL307C MCK1 14 57573 56446 C Protein serine/threonine/tyrosine (dual-specificity) kinase involved in control of chromosome segregation and in regulating entry into meiosis; related to mammalian glycogen synthase kinases of the GSK-3 family 4792 S000005250 ORF Verified YNL306W MRPS18 14 58155 58808 W Mitochondrial ribosomal protein of the small subunit; essential for viability, unlike most other mitoribosomal proteins 4794 S000005249 ORF Uncharacterized YNL305C n.a. 14 59791 58898 C Hypothetical protein 4796 S000005248 ORF Verified YNL304W YPT11 14 60482 61549 W Rab-type small GTPase that interacts with the C-terminal tail domain of Myo2p to mediate distribution of mitochondria to daughter cells 4798 S000005247 ORF Dubious YNL303W n.a. 14 61509 61856 W Hypothetical protein 4800 S000005246 ORF Verified YNL302C RPS19B 14 62942 61957 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps19Ap and has similarity to rat S19 ribosomal protein 4803 S000032916 intron n.a. n.a. n.a. 14 62922 62372 C n.a. 4804 S000005245 ORF Verified YNL301C RPL18B 14 64561 63569 C Protein component of the large (60S) ribosomal subunit, identical to Rpl18Ap and has similarity to rat L18 ribosomal protein 4807 S000032847 intron n.a. n.a. n.a. 14 64449 64018 C n.a. 4808 S000005244 ORF Uncharacterized YNL300W n.a. 14 65743 66051 W Hypothetical protein 4810 S000005243 ORF Verified YNL299W TRF5 14 66516 68393 W Putative poly (A) polymerase involved in nuclear RNA quality control based on: homology with Trf4p, genetic interactions with TRF4 mutants, and physical interaction with Mtr4p (subunit of TRAMP); disputed role as a sigma DNA polymerase 4812 S000005242 ORF Verified YNL298W CLA4 14 68913 71441 W Involved in localizing cell growth with respect to the septin ring; protein kinase, homologous to Ste20p, interacts with CDC42 4814 S000005240 ORF Dubious YNL296W n.a. 14 76271 76585 W Hypothetical protein 4816 S000005241 ORF Verified YNL297C MON2 14 76581 71671 C Peripheral membrane protein with a role in endocytosis and vacuole integrity, interacts with Arl1p and localizes to the endosome; member of the Sec7p family of proteins 4818 S000005239 ORF Uncharacterized YNL295W n.a. 14 76944 78518 W Hypothetical protein 4820 S000005238 ORF Verified YNL294C RIM21 14 80258 78657 C Protein proposed to be involved in the response to alkaline pH; has similarity to A. nidulans PalH 4822 S000005237 ORF Verified YNL293W MSB3 14 80638 82539 W GTPase-activating protein for Sec4p and several other Rab GTPases, regulates exocytosis via its action on Sec4p, also required for proper actin organization; similar to Msb4p; both Msb3p and Msb4p localize to sites of polarized growth 4824 S000005236 ORF Verified YNL292W PUS4 14 82804 84015 W Pseudouridine synthase, catalyzes only the formation of pseudouridine-55 (Psi55), a highly conserved tRNA modification, in mitochondrial and cytoplasmic tRNAs; PUS4 overexpression leads to translational derepression of GCN4 (Gcd- phenotype) 4826 S000005235 ORF Verified YNL291C MID1 14 85813 84167 C N-glycosylated integral membrane protein of the ER membrane and plasma membrane, required for Ca2+ influx stimulated by pheromone, functions as a stretch-activated Ca2+-permeable cation channel in mammals; forms an oligomer 4828 S000005234 ORF Verified YNL290W RFC3 14 86216 87238 W Subunit of heteropentameric Replication factor C (RF-C), which is a DNA binding protein and ATPase that acts as a clamp loader of the proliferating cell nuclear antigen (PCNA) processivity factor for DNA polymerases delta and epsilon 4830 S000005233 ORF Verified YNL289W PCL1 14 87895 88734 W Pho85 cyclin of the Pcl1,2-like subfamily, involved in entry into the mitotic cell cycle and regulation of morphogenesis, localizes to sites of polarized cell growth 4832 S000007304 snoRNA n.a. snR40 SNR40 14 89208 89304 W Small nucleolar RNA; small nucleolar RNA 4834 S000005232 ORF Verified YNL288W CAF40 14 90301 91422 W Evolutionarily conserved subunit of the CCR4-NOT complex involved in controlling mRNA initiation, elongation and degradation; binds Cdc39p 4836 S000005231 ORF Verified YNL287W SEC21 14 91992 94799 W Gamma subunit of coatomer, a heptameric protein complex that together with Arf1p forms the COPI coat; involved in ER to Golgi transport of selective cargo 4838 S000005230 ORF Verified YNL286W CUS2 14 95221 96078 W Protein that binds to U2 snRNA and Prp11p, may be involved in U2 snRNA folding; contains two RNA recognition motifs (RRMs) 4840 S000005229 ORF Dubious YNL285W n.a. 14 96171 96542 W Hypothetical protein 4842 S000006591 tRNA n.a. tG(UCC)N SUF6 14 96310 96239 C tRNA-Gly 4855 S000006673 tRNA n.a. tN(GUU)N1 n.a. 14 102714 102787 W tRNA-Asn 4857 S000005228 ORF Verified YNL284C MRPL10 14 104100 103132 C Mitochondrial ribosomal protein of the large subunit; appears as two protein spots (YmL10 and YmL18) on two-dimensional SDS gels 4859 S000006744 tRNA n.a. tT(AGU)N1 n.a. 14 104803 104875 W tRNA-Thr 4861 S000005227 ORF Verified YNL283C WSC2 14 106693 105182 C cell wall integrity and stress response component 2; Putative integral membrane protein containing novel cysteine motif. Similarity to SLG1 (WSC1), WSC3 and WSC4 4863 S000005226 ORF Verified YNL282W POP3 14 107685 108272 W Subunit of both RNase MRP, which cleaves pre-rRNA, and nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends 4865 S000005225 ORF Verified YNL281W HCH1 14 108465 108926 W Heat shock protein regulator that binds to Hsp90p and may stimulate ATPase activity; originally identified as a high-copy number suppressor of a HSP90 loss-of-function mutation; GFP-fusion protein localizes to the cytoplasm and nucleus 4867 S000005224 ORF Verified YNL280C ERG24 14 110409 109093 C C-14 sterol reductase, acts in ergosterol biosynthesis; mutants accumulate the abnormal sterol ignosterol (ergosta-8,14 dienol), and are viable under anaerobic growth conditions but inviable on rich medium under aerobic conditions 4869 S000005223 ORF Verified YNL279W PRM1 14 110915 112900 W Pheromone-regulated multispanning membrane protein involved in membrane fusion during mating; predicted to have 5 transmembrane segments and a coiled coil domain; localizes to the shmoo tip; regulated by Ste12p 4871 S000005222 ORF Verified YNL278W CAF120 14 113269 116451 W Part of the evolutionarily-conserved CCR4-NOT transcriptional regulatory complex involved in controlling mRNA initiation, elongation, and degradation 4873 S000028852 ORF Uncharacterized YNL277W-A n.a. 14 116677 116865 W Identified by expression profiling and mass spectrometry 4875 S000005221 ORF Verified YNL277W MET2 14 117347 118807 W L-homoserine-O-acetyltransferase, catalyzes the conversion of homoserine to O-acetyl homoserine which is the first step of the methionine biosynthetic pathway 4877 S000005220 ORF Dubious YNL276C n.a. 14 118824 118429 C Hypothetical protein 4879 S000005219 ORF Verified YNL275W n.a. 14 119266 120996 W Plasma membrane protein that binds HCO3-, I-, Br-, NO3- and Cl- ; putative boron efflux transporter with similarity to A. thaliana BOR1 which is a known boron efflux transporter 4881 S000005218 ORF Uncharacterized YNL274C n.a. 14 122168 121116 C Putative hydroxyisocaproate dehydrogenase 4883 S000005217 ORF Verified YNL273W TOF1 14 122881 126597 W Subunit of a replication-pausing checkpoint complex (Tof1p-Mrc1p-Csm3p) that acts at the stalled replication fork to promote sister chromatid cohesion after DNA damage, facilitating gap repair of damaged DNA; interacts with the MCM helicase 4885 S000005216 ORF Verified YNL272C SEC2 14 129082 126803 C Guanyl-nucleotide exchange factor for the small G-protein Sec4p, located on cytoplasmic vesicles; essential for post-Golgi vesicle transport 4887 S000005215 ORF Verified YNL271C BNI1 14 135382 129521 C Formin, nucleates the formation of linear actin filaments, involved in cell processes such as budding and mitotic spindle orientation which require the formation of polarized actin cables, functionally redundant with BNR1 4889 S000005214 ORF Verified YNL270C ALP1 14 137660 135939 C Basic amino acid transporter, involved in uptake of cationic amino acids 4891 S000005213 ORF Verified YNL269W BSC4 14 137698 138093 W Protein of unknown function, ORF exhibits genomic organization compatible with a translational readthrough-dependent mode of expression; readthrough is increased upon depletion of Sup35p 4893 S000005212 ORF Verified YNL268W LYP1 14 138549 140384 W Lysine permease; one of three amino acid permeases (Alp1p, Can1p, Lyp1p) responsible for uptake of cationic amino acids 4895 S000005211 ORF Verified YNL267W PIK1 14 140877 144077 W Phosphatidylinositol 4-kinase; catalyzes first step in the biosynthesis of phosphatidylinositol-4,5-biphosphate; may control cytokineses through the actin cytoskeleton 4897 S000005210 ORF Dubious YNL266W n.a. 14 144244 144663 W Hypothetical protein 4899 S000005209 ORF Verified YNL265C IST1 14 145280 144279 C Putative translation initiation factor, as suggested by computational analysis of large-scale protein-protein interaction data 4902 S000030433 intron n.a. n.a. n.a. 14 145253 145149 C n.a. 4903 S000005208 ORF Verified YNL264C PDR17 14 146614 145562 C Phosphatidylinositol transfer protein (PITP), downregulates Plb1p-mediated turnover of phosphatidylcholine, found in the cytosol and microsomes, homologous to Pdr16p, deletion affects phospholipid composition 4905 S000005207 ORF Verified YNL263C YIF1 14 147839 146895 C Integral membrane protein required for the fusion of ER-derived COPII transport vesicles with the Golgi; interacts with Yip1p and Yos1p; localizes to the Golgi, the ER, and COPII vesicles 4907 S000005206 ORF Verified YNL262W POL2 14 148211 154879 W Catalytic subunit of DNA polymerase epsilon, one of the major chromosomal DNA replication polymerases characterized by processivity and proofreading exonuclease activity; also involved in DNA synthesis during DNA repair 4909 S000005205 ORF Verified YNL261W ORC5 14 155099 156538 W Subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing 4911 S000005204 ORF Uncharacterized YNL260C n.a. 14 157454 156858 C Protein required for cell viability 4913 S000005203 ORF Verified YNL259C ATX1 14 157864 157643 C Cytosolic copper metallochaperone that transports copper to the secretory vesicle copper transporter Ccc2p for eventual insertion into Fet3p, which is a multicopper oxidase required for high-affinity iron uptake 4915 S000005202 ORF Verified YNL258C DSL1 14 160372 158108 C Endoplasmic reticulum (ER)-localized peripheral membrane protein required for Golgi-to-ER retrograde traffic; component of the ER target site that interacts with coatomer, the major component of the COPI vesicle protein coat 4917 S000005201 ORF Verified YNL257C SIP3 14 164319 160630 C Protein that activates transcription through interaction with DNA-bound Snf1p, C-terminal region has a putative leucine zipper motif; potential Cdc28p substrate 4919 S000005200 ORF Verified YNL256W FOL1 14 164622 167096 W Multifunctional enzyme of the folic acid biosynthesis pathway, has dihydropteroate synthetase, dihydro-6-hydroxymethylpterin pyrophosphokinase, and dihydroneopterin aldolase activities 4921 S000005199 ORF Verified YNL255C GIS2 14 167789 167328 C Putative zinc finger protein with similarity to human CNBP, proposed to be involved in the RAS/cAMP signaling pathway 4923 S000005198 ORF Uncharacterized YNL254C n.a. 14 169247 168042 C Hypothetical protein 4926 S000005197 ORF Verified YNL253W TEX1 14 170017 171285 W transcription export complex component 4928 S000005196 ORF Verified YNL252C MRPL17 14 172285 171440 C Mitochondrial ribosomal protein of the large subunit 4930 S000005195 ORF Verified YNL251C NRD1 14 174314 172587 C RNA-binding protein that interacts with the C-terminal domain of the RNA polymerase II large subunit (Rpo21p), required for transcription termination and 3' end maturation of nonpolyadenylated RNAs 4932 S000005194 ORF Verified YNL250W RAD50 14 175409 179347 W Subunit of MRX complex, with Mre11p and Xrs2p, involved in processing double-strand DNA breaks in vegetative cells, initiation of meiotic DSBs, telomere maintenance, and nonhomologous end joining 4934 S000005193 ORF Verified YNL249C MPA43 14 181021 179393 C Mitochondrial protein of unknown function 4936 S000005192 ORF Verified YNL248C RPA49 14 182607 181360 C RNA polymerase I subunit A49 4938 S000005191 ORF Uncharacterized YNL247W n.a. 14 182874 185177 W Protein required for cell viability 4940 S000005190 ORF Verified YNL246W VPS75 14 185459 186348 W Protein of unknown function involved in vacuolar protein sorting; detected in the nucleus 4943 S000031151 intron n.a. n.a. n.a. 14 185491 185585 W n.a. 4944 S000005189 ORF Verified YNL245C CWC25 14 186884 186345 C Component of a complex containing Cef1p, involved in pre-mRNA splicing; has similarity to S. pombe Cwf25p 4946 S000005188 ORF Verified YNL244C SUI1 14 187495 187169 C Translation initiation factor eIF1; component of a complex involved in recognition of the initiator codon; modulates translation accuracy at the initiation and elongation phases 4948 S000005187 ORF Verified YNL243W SLA2 14 188050 190956 W Transmembrane actin-binding protein involved in membrane cytoskeleton assembly and cell polarization; adaptor protein that links actin to clathrin and endocytosis; present in the actin cortical patch of the emerging bud tip; dimer in vivo 4950 S000005186 ORF Verified YNL242W ATG2 14 191323 196101 W Peripheral membrane protein required for the formation of cytosolic sequestering vesicles involved in vacuolar import through both the Cvt pathway and autophagy; interacts with Atg9p and is necessary for its trafficking 4953 S000005185 ORF Verified YNL241C ZWF1 14 197942 196425 C Glucose-6-phosphate dehydrogenase 4955 S000005184 ORF Verified YNL240C NAR1 14 199976 198501 C Nuclear architecture related protein; component of the cytosolic iron-sulfur (FeS) protein assembly machinery, required for maturation of cytosolic and nuclear FeS proteins; homologous to human Narf 4957 S000005183 ORF Verified YNL239W LAP3 14 200568 201932 W Aminopeptidase of cysteine protease family, has a DNA binding activity and acts as bleomycin hydrolase in vitro; transcription is regulated by galactose via Gal4p 4959 S000005182 ORF Verified YNL238W KEX2 14 202427 204871 W Subtilisin-like protease (proprotein convertase), a calcium-dependent serine protease involved in the activation of proproteins of the secretory pathway 4961 S000005181 ORF Verified YNL237W YTP1 14 205187 206566 W Probable type-III integral membrane protein of unknown function, has regions of similarity to mitochondrial electron transport proteins 4963 S000005180 ORF Verified YNL236W SIN4 14 206929 209853 W Subunit of the Mediator complex; interacts with the RNA polymerase II holoenzyme to postively or negatively regulate transcription; dispensible for basal transcription 4965 S000005179 ORF Dubious YNL235C n.a. 14 209978 209547 C Hypothetical protein 4967 S000005178 ORF Uncharacterized YNL234W n.a. 14 210232 211512 W Similar to globins and has a functional heme-binding domain; involved in glucose signaling or metabolism; regulated by Rgt1p 4969 S000005177 ORF Verified YNL233W BNI4 14 211921 214599 W Targeting subunit for Glc7p protein phosphatase, localized to the bud neck, required for localization of chitin synthase III to the bud neck via interaction with the chitin synthase III regulatory subunit Skt5p 4971 S000005176 ORF Verified YNL232W CSL4 14 214922 215800 W Subunit of the exosome, which is an essential complex present in both nucleus and cytoplasm that mediates RNA processing and degradation 4973 S000005175 ORF Verified YNL231C PDR16 14 217041 215986 C Phosphatidylinositol transfer protein (PITP) controlled by the multiple drug resistance regulator Pdr1p, localizes to lipid particles and microsomes, controls levels of various lipids, may regulate lipid synthesis, homologous to Pdr17p 4975 S000005174 ORF Verified YNL230C ELA1 14 218661 217522 C Elongin A, F-box protein that forms a heterodimer with Elc1p and participates in transcription elongation 4977 S000005173 ORF Verified YNL229C URE2 14 220200 219136 C Nitrogen catabolite repression regulator that acts by inhibition of GLN3 transcription in good nitrogen source; altered form of Ure2p creates [URE3] prion 4979 S000005172 ORF Dubious YNL228W n.a. 14 220644 221420 W Hypothetical protein 4981 S000005170 ORF Dubious YNL226W n.a. 14 222238 222648 W Hypothetical protein 4983 S000005171 ORF Uncharacterized YNL227C JJJ1 14 222430 220658 C Protein that contains a 70 amino acid J-domain, may function as a co-chaperone to recruit Hsp70-like activity to specific sites; mutation causes defects in fluid-phase endocytosis 4985 S000005169 ORF Verified YNL225C CNM67 14 224468 222723 C Component of the spindle pole body outer plaque; required for spindle orientation and mitotic nuclear migration 4987 S000005168 ORF Uncharacterized YNL224C n.a. 14 227098 224795 C Hypothetical protein 4989 S000005167 ORF Verified YNL223W ATG4 14 227369 228853 W Cysteine protease required for autophagy; cleaves Atg8p to a form required for autophagosome and Cvt vesicle generation; mediates attachment of autophagosomes to microtubules through interactions with Tub1p and Tub2p 4991 S000005166 ORF Verified YNL222W SSU72 14 229093 229713 W Transcription/RNA-processing factor that associates with TFIIB and cleavage/polyadenylation factor Pta1p, exhibits intrinsic phosphatase activity, affects start site selection in vivo; Nuclear zinc-finger motif containing protein. 4993 S000007295 snRNA n.a. snR19 SNR19 14 230671 230104 C U1 spliceosomal RNA; snRNA U1 homolog 4995 S000005165 ORF Verified YNL221C POP1 14 233694 231067 C Subunit of both RNase MRP, which cleaves pre-rRNA, and nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends; binds to the RPR1 RNA subunit in Rnase P 4997 S000005164 ORF Verified YNL220W ADE12 14 234412 235713 W Adenylosuccinate synthase, catalyzes the first committed step in the 'de novo' biosynthesis of adenosine 4999 S000005163 ORF Verified YNL219C ALG9 14 237662 235995 C Mannosyltransferase, involved in N-linked glycosylation; catalyzes the transfer of mannose from Dol-P-Man to lipid-linked oligosaccharides; mutation of the human ortholog causes type 1 congenital disorders of glycosylation 5001 S000005162 ORF Verified YNL218W MGS1 14 238237 240000 W Protein with DNA-dependent ATPase and ssDNA annealing activities involved in maintenance of genome; interacts functionally with DNA polymerase delta; homolog of human Werner helicase interacting protein (WHIP) 5003 S000005161 ORF Uncharacterized YNL217W n.a. 14 240330 241310 W Hypothetical protein 5005 S000005160 ORF Verified YNL216W RAP1 14 241688 244171 W DNA-binding protein involved in either activation or repression of transcription, depending on binding site context; also binds telomere sequences and plays a role in telomeric position effect (silencing) and telomere structure 5007 S000005159 ORF Verified YNL215W IES2 14 244467 245429 W Protein that associates with the INO80 chromatin remodeling complex under low-salt conditions 5009 S000005158 ORF Verified YNL214W PEX17 14 245616 246215 W Peroxisomal membrane protein component of the peroxisomal translocation machinery, required for peroxisome biogenesis, binds Pex14p 5011 S000005157 ORF Uncharacterized YNL213C n.a. 14 247103 246459 C Hypothetical protein 5013 S000005156 ORF Verified YNL212W VID27 14 247460 249808 W Cytoplasmic protein possibly involved in vacuolar protein degradation; not essential for proteasome-dependent degradation of fructose-1,6-bisphosphatase (FBPase); null mutants exhibit normal growth 5015 S000005155 ORF Uncharacterized YNL211C n.a. 14 250314 250054 C Hypothetical protein 5018 S000005154 ORF Verified YNL210W MER1 14 250930 251742 W Protein with RNA-binding motifs required for meiosis-specific mRNA splicing; required for chromosome pairing and meiotic recombination 5020 S000005153 ORF Verified YNL209W SSB2 14 252058 253899 W Cytoplasmic ATPase that is a ribosome-associated molecular chaperone; may be involved in the folding of newly-synthesized polypeptide chains; member of the heat shock protein 70 (HSP70) family; homolog of SSB1 5022 S000005152 ORF Uncharacterized YNL208W n.a. 14 254417 255016 W Hypothetical protein 5024 S000005151 ORF Verified YNL207W RIO2 14 255352 256629 W Essential serine kinase involved in the processing of the 20S pre-rRNA into mature 18S rRNA; has similarity to Rio1p 5026 S000005150 ORF Verified YNL206C RTT106 14 258154 256787 C Protein with a role in regulation of Ty1 transposition 5028 S000005149 ORF Dubious YNL205C n.a. 14 258576 258154 C Hypothetical protein 5030 S000005148 ORF Verified YNL204C SPS18 14 259276 258374 C Protein of unknown function, contains a putative zinc-binding domain; expressed during sporulation 5032 S000005146 ORF Verified YNL202W SPS19 14 259568 260455 W Peroxisomal 2,4-dienoyl-CoA reductase, auxiliary enzyme of fatty acid beta-oxidation; homodimeric enzyme required for growth and sporulation on petroselineate medium; expression induced during late sporulation and in the presence of oleate 5034 S000005147 ORF Dubious YNL203C n.a. 14 260049 259438 C Hypothetical protein 5036 S000005145 ORF Uncharacterized YNL201C PSY2 14 263202 260626 C Nuclear protein of unknown function; deletion results in sensitivity to anticancer drugs oxaliplatin and cisplatin, but not mitomycin C; deletion is synthetically lethal with a chitin synthase (CHS1) null mutant 5038 S000005144 ORF Uncharacterized YNL200C n.a. 14 264452 263712 C Hypothetical protein; similarity to human TGR-CL10C, thyroidal receptor for N-acetylglucosamine 5040 S000005143 ORF Verified YNL199C GCR2 14 266529 264925 C Transcriptional activator of genes involved in glycolysis; interacts and functions with the DNA-binding protein Gcr1p 5042 S000005142 ORF Dubious YNL198C n.a. 14 266815 266513 C Hypothetical protein 5044 S000005141 ORF Verified YNL197C WHI3 14 269592 267607 C RNA binding protein that binds to and sequesters the G1 cyclin CLN3 mRNA; regulates cell fate and dose-dependently inhibits passage through Start by regulating the critical cell size requirement necessary for cell cycle progression 5046 S000005140 ORF Uncharacterized YNL196C n.a. 14 271170 270274 C Sporulation-specific protein with a leucine zipper motif 5048 S000005139 ORF Uncharacterized YNL195C n.a. 14 272307 271522 C Hypothetical protein 5050 S000005138 ORF Uncharacterized YNL194C n.a. 14 273614 272709 C Hypothetical protein 5052 S000005137 ORF Uncharacterized YNL193W n.a. 14 274367 276043 W Hypothetical protein 5054 S000005136 ORF Verified YNL192W CHS1 14 276501 279896 W Chitin synthase I, requires activation from zymogenic form in order to catalyze the transfer of N-acetylglucosamine (GlcNAc) to chitin; required for repairing the chitin septum during cytokinesis; transcription activated by mating factor 5057 S000005135 ORF Uncharacterized YNL191W n.a. 14 280431 281504 W Hypothetical protein 5059 S000005134 ORF Uncharacterized YNL190W n.a. 14 282394 283008 W Hypothetical protein 5061 S000005133 ORF Verified YNL189W SRP1 14 284259 285887 W Karyopherin alpha homolog, forms a dimer with karyopherin beta Kap95p to mediate import of nuclear proteins, binds the nuclear localization signal of the substrate during import; may also play a role in regulation of protein degradation 5063 S000005132 ORF Verified YNL188W KAR1 14 286307 287608 W Essential protein involved in karyogamy during mating and in spindle pole body duplication during mitosis, localizes to the half-bridge of the spindle pole body, interacts with Spc72p during karyogamy, also interacts with Cdc31p 5065 S000005131 ORF Uncharacterized YNL187W n.a. 14 287994 289067 W Non-essential protein with putative leucine-rich nuclear export signal (NES) sequence that fits the consensus sequence recognized by Crm1p 5067 S000005130 ORF Verified YNL186W UBP10 14 289498 291876 W Ubiquitin-specific protease that deubiquitinates ubiquitin-protein moieties; may regulate silencing by acting on Sir4p; involved in posttranscriptionally regulating Gap1p and possibly other transporters; primarily located in the nucleus 5069 S000005129 ORF Verified YNL185C MRPL19 14 292669 292193 C Mitochondrial ribosomal protein of the large subunit 5071 S000005128 ORF Dubious YNL184C n.a. 14 292883 292557 C Hypothetical protein 5073 S000005127 ORF Verified YNL183C NPR1 14 295509 293137 C Protein kinase that stabilizes several plasma membrane amino acid transporters by antagonizing their ubiquitin-mediated degradation 5075 S000005126 ORF Uncharacterized YNL182C IPI3 14 297627 295960 C Protein required for cell viability; computational analysis of large-scale protein-protein interaction data suggests a possible role in assembly of the ribosomal large subunit 5077 S000005125 ORF Uncharacterized YNL181W n.a. 14 298335 299558 W Protein required for cell viability 5079 S000005124 ORF Verified YNL180C RHO5 14 300649 299654 C Non-essential small GTPase of the Rho/Rac subfamily of Ras-like proteins, likely involved in protein kinase C (Pkc1p)-dependent signal transduction pathway that controls cell integrity 5081 S000005123 ORF Dubious YNL179C n.a. 14 301103 300666 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; deletion in cyr1 mutant results in loss of stress resistance 5083 S000005122 ORF Verified YNL178W RPS3 14 302680 303402 W Protein component of the small (40S) ribosomal subunit, has apurinic/apyrimidinic (AP) endonuclease activity; essential for viability; has similarity to E. coli S3 and rat S3 ribosomal proteins 5085 S000005121 ORF Verified YNL177C MRPL22 14 304615 303686 C Mitochondrial ribosomal protein of the large subunit 5087 S000005120 ORF Uncharacterized YNL176C n.a. 14 306980 305070 C Hypothetical protein 5089 S000005118 ORF Dubious YNL174W n.a. 14 308074 308646 W Hypothetical protein 5091 S000005119 ORF Verified YNL175C NOP13 14 308612 307401 C Protein of unknown function, localizes to the nucleolus and nucleoplasm; contains an RNA recognition motif (RRM) and has similarity to Nop12p, which is required for processing of pre-18S rRNA 5093 S000005117 ORF Verified YNL173C MDG1 14 310057 308957 C Plasma membrane protein involved in G-protein mediated pheromone signaling pathway; overproduction suppresses bem1 mutations 5095 S000005116 ORF Verified YNL172W APC1 14 310636 315882 W Largest subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition 5097 S000005114 ORF Dubious YNL170W n.a. 14 315978 316373 W Sporulation 5099 S000005115 ORF Dubious YNL171C n.a. 14 315997 315629 C Hypothetical protein 5101 S000005113 ORF Verified YNL169C PSD1 14 317671 316169 C Phosphatidylserine decarboxylase of the mitochondrial inner membrane, converts phosphatidylserine to phosphatidylethanolamine 5103 S000005112 ORF Uncharacterized YNL168C n.a. 14 318809 318030 C The authentic, non-tagged protein was localized to mitochondria 5105 S000005111 ORF Verified YNL167C SKO1 14 321359 319416 C Basic leucine zipper (bZIP) transcription factor of the ATF/CREB family that forms a complex with Tup1p and Ssn6p to both activate and repress transcription; cytosolic and nuclear protein involved in the osmotic and oxidative stress responses 5107 S000005110 ORF Verified YNL166C BNI5 14 323565 322219 C Protein involved in organization of septins at the mother-bud neck, may interact directly with the Cdc11p septin, localizes to bud neck in a septin-dependent manner 5109 S000005109 ORF Uncharacterized YNL165W n.a. 14 323832 325052 W Hypothetical protein 5111 S000005108 ORF Verified YNL164C IBD2 14 326320 325265 C Component of the BUB2-dependent spindle checkpoint pathway, interacts with Bfa1p and functions upstream of Bub2p and Bfa1p 5113 S000005107 ORF Verified YNL163C RIA1 14 330073 326741 C Cytoplasmic GTPase involved in biogenesis of the 60S ribosome; has similarity to translation elongation factor 2 (Eft1p and Eft2p) 5115 S000007624 ORF Uncharacterized YNL162W-A n.a. 14 330329 330547 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 5117 S000005106 ORF Verified YNL162W RPL42A 14 331322 332154 W Protein component of the large (60S) ribosomal subunit, identical to Rpl42Bp and has similarity to rat L44 ribosomal protein 5120 S000034974 intron n.a. n.a. n.a. 14 331326 331837 W n.a. 5121 S000005105 ORF Verified YNL161W CBK1 14 332597 334867 W Protein kinase involved in cell wall biosynthesis; required for efficient apical growth, proper mating projection morphology, bipolar bud site selection in diploid cells, and cell separation 5123 S000005104 ORF Verified YNL160W YGP1 14 336545 337609 W Cell wall-related secretory glycoprotein; induced by nutrient deprivation-associated growth arrest and upon entry into stationary phase; may be involved in adaptation prior to stationary phase entry; has similarity to Sps100p 5125 S000005103 ORF Verified YNL159C ASI2 14 339347 338478 C Predicted membrane protein; genetic interactions suggest a role in negative regulation of amino acid uptake 5127 S000005102 ORF Uncharacterized YNL158W n.a. 14 339612 340208 W Essential protein required for maturation of Gas1p and Pho8p; green fluorescent protein (GFP)-fusion protein localizes to the nuclear periphery 5129 S000005101 ORF Uncharacterized YNL157W n.a. 14 340352 340858 W Hypothetical protein 5131 S000005100 ORF Uncharacterized YNL156C n.a. 14 341968 341069 C Protein of unknown function, potential homolog of mammalian Insig 1 5133 S000005099 ORF Uncharacterized YNL155W n.a. 14 342516 343340 W Hypothetical protein 5135 S000005098 ORF Verified YNL154C YCK2 14 345276 343636 C Palmitoylated, plasma membrane-bound casein kinase I isoform; shares redundant functions with Yck1p in morphogenesis, proper septin assembly, endocytic trafficking; provides an essential function overlapping with that of Yck1p 5137 S000005097 ORF Verified YNL153C GIM3 14 346058 345669 C Subunit of the heterohexameric cochaperone prefoldin complex which binds specifically to cytosolic chaperonin and transfers target proteins to it 5139 S000005096 ORF Uncharacterized YNL152W n.a. 14 346313 347542 W Protein required for cell viability 5141 S000005095 ORF Verified YNL151C RPC31 14 348521 347766 C RNA polymerase III subunit C31; contains HMG-like C-terminal domain 5143 S000005094 ORF Dubious YNL150W n.a. 14 349251 349658 W Protein required for cell viability 5145 S000005093 ORF Uncharacterized YNL149C n.a. 14 349756 349367 C Protein required for cell viability 5147 S000005092 ORF Verified YNL148C ALF1 14 350671 349907 C Alpha-tubulin folding protein, similar to mammalian cofactor B; Alf1p-GFP localizes to cytoplasmic microtubules; required for the folding of alpha-tubulin and may play an additional role in microtubule maintenance 5149 S000005091 ORF Verified YNL147W LSM7 14 350940 351383 W Component of small nuclear ribonucleoprotein complexes involved in RNA processing, splicing, and decay 5152 S000031003 intron n.a. n.a. n.a. 14 350958 351077 W n.a. 5153 S000028851 ORF Uncharacterized YNL146C-A n.a. 14 351580 351386 C Identified by expression profiling and mass spectrometry 5155 S000005090 ORF Uncharacterized YNL146W n.a. 14 351715 352017 W Hypothetical protein 5157 S000005089 ORF Verified YNL145W MFA2 14 352414 352530 W Mating pheromone a-factor, made by a cells; interacts with alpha cells to induce cell cycle arrest and other responses leading to mating; biogenesis involves C-terminal modification, N-terminal proteolysis, and export; also encoded by MFA1 5159 S000028702 ORF Dubious YNL144W-A n.a. 14 353061 353144 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5161 S000005088 ORF Uncharacterized YNL144C n.a. 14 355042 352820 C Hypothetical protein 5163 S000005087 ORF Dubious YNL143C n.a. 14 357186 356794 C Hypothetical protein 5165 S000005086 ORF Verified YNL142W MEP2 14 357453 358952 W Ammonium permease involved in regulation of pseudohyphal growth; belongs to a ubiquitous family of cytoplasmic membrane proteins that transport only ammonium (NH4+); expression is under the nitrogen catabolite repression regulation 5167 S000005085 ORF Verified YNL141W AAH1 14 359596 360639 W Adenine deaminase (adenine aminohydrolase), involved in purine salvage and nitrogen catabolism 5169 S000005084 ORF Dubious YNL140C n.a. 14 361486 360917 C Hypothetical protein 5171 S000005083 ORF Verified YNL139C RLR1 14 365717 360924 C Subunit of the THO complex, which is required for efficient transcription elongation and involved in transcriptional elongation-associated recombination; required for LacZ RNA expression from certain plasmids 5173 S000028509 ORF Uncharacterized YNL138W-A n.a. 14 366033 366412 W Component of the U2 snRNP, associated with the SF3b complex; conserved in Ashbya gossypii 5176 S000030225 intron n.a. n.a. n.a. 14 366036 366157 W n.a. 5177 S000005082 ORF Verified YNL138W SRV2 14 366741 368321 W CAP (cyclase-associated protein) subunit of adenylyl cyclase complex; N-terminus binds adenylyl cyclase and facilitates activation by RAS; C-terminus binds ADP-actin monomers, facilitating regulation of actin dynamics and cell morphogenesis 5179 S000005081 ORF Verified YNL137C NAM9 14 370055 368595 C Mitochondrial ribosomal component of the small subunit 5181 S000005080 ORF Verified YNL136W EAF7 14 370368 371645 W Subunit of the NuA4 histone acetyltransferase complex, which acetylates the N-terminal tails of histones H4 and H2A 5183 S000005079 ORF Verified YNL135C FPR1 14 372226 371882 C Peptidyl-prolyl cis-trans isomerase (PPIase), binds to the drugs FK506 and rapamycin; also binds to the nonhistone chromatin binding protein Hmo1p and may regulate its assembly or function 5185 S000005078 ORF Uncharacterized YNL134C n.a. 14 373581 372451 C ORF, Uncharacterized 5187 S000005077 ORF Verified YNL133C FYV6 14 374692 374171 C Protein of unknown function, required for survival upon exposure to K1 killer toxin; proposed to regulate double-strand break repair via non-homologous end-joining 5189 S000006569 tRNA n.a. tF(GAA)N n.a. 14 374869 374959 W tRNA-Phe 5190 S000035429 intron n.a. n.a. n.a. 14 374906 374923 W n.a. 5193 S000005076 ORF Verified YNL132W KRE33 14 375321 378491 W Essential protein of unknown function; heterozygous mutant shows haploinsufficiency in K1 killer toxin resistance 5195 S000005075 ORF Verified YNL131W TOM22 14 378767 379225 W Constituent of the mitochondrial outer membrane translocase complex involved in protein import into mitochondria 5197 S000005074 ORF Verified YNL130C CPT1 14 380831 379558 C Cholinephosphotransferase, required for phosphatidylcholine biosynthesis and for inositol-dependent regulation of EPT1 transcription 5200 S000030246 intron n.a. n.a. n.a. 14 380781 380690 C n.a. 5201 S000028579 ORF Uncharacterized YNL130C-A n.a. 14 381391 381245 C Identified by fungal homology and RT-PCR 5203 S000005073 ORF Verified YNL129W NRK1 14 381480 382202 W Nicotinamide riboside kinase, catalyzes the synthesis of nicotinamide nucleotide (NMN) from nicotinamide riboside; involved in a salvage pathway for NAD+ biosynthesis 5205 S000005072 ORF Verified YNL128W TEP1 14 382359 383663 W Putative phosphatidylinositol phosphate phosphatase, similar to human tumor suppressor gene known as TEP1, MMAC1 and PTEN1 5207 S000005071 ORF Verified YNL127W FAR11 14 383987 386848 W Protein involved in G1 cell cycle arrest in response to pheromone, in a pathway different from the Far1p-dependent pathway; interacts with Far3p, Far7p, Far8p, Far9p, and Far10p 5209 S000005070 ORF Verified YNL126W SPC98 14 387227 389767 W Component of the microtubule-nucleating Tub4p (gamma-tubulin) complex; interacts with Spc110p at the spindle pole body (SPB) inner plaque and with Spc72p at the SPB outer plaque 5211 S000005069 ORF Verified YNL125C ESBP6 14 392167 390146 C Protein with similarity to monocarboxylate permeases, appears not to be involved in transport of monocarboxylates such as lactate, pyruvate or acetate across the plasma membrane 5213 S000005068 ORF Verified YNL124W NAF1 14 392892 394370 W Protein required for the assembly of box H/ACA snoRNPs and for pre-rRNA processing, forms a complex with Shq1p and interacts with H/ACA snoRNP components Nhp2p and Cbf5p; has similarity to Gar1p and other RNA-binding proteins 5215 S000005067 ORF Uncharacterized YNL123W n.a. 14 394685 397678 W shows protein sequence similarity to the mammalian Omi/HtrA2 family of serine proteases 5217 S000005066 ORF Uncharacterized YNL122C n.a. 14 398370 398023 C Hypothetical protein 5219 S000005065 ORF Verified YNL121C TOM70 14 400537 398684 C Translocase of Outer Mitochondrial membrane; 70 kDa mitochondrial specialized import receptor of the outer membrane 5221 S000005063 ORF Uncharacterized YNL119W NCS2 14 401040 402521 W Protein with a role in urmylation and in invasive and pseudohyphal growth; inhibits replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 5223 S000005064 ORF Dubious YNL120C n.a. 14 401518 401033 C Dubious open reading frame, not conserved in closely related Saccharomyces species; deletion mutation enhances replication of Brome mosaic virus in S. cerevisiae, but this is likely due to effects on the overlapping gene NCS2 5225 S000005062 ORF Verified YNL118C DCP2 14 405564 402652 C Protein required for the decapping of mRNAs, functions to allow the production of active Dcp1p, contains a pyrophosphatase MutT motif and several alpha-helical leucine-rich motifs 5227 S000005061 ORF Verified YNL117W MLS1 14 406358 408022 W Malate synthase, enzyme of the glyoxylate cycle, involved in utilization of non-fermentable carbon sources; expression is subject to carbon catabolite repression; localizes in peroxisomes during growth in oleic acid medium 5229 S000005060 ORF Verified YNL116W DMA2 14 408341 409909 W Protein involved in regulating spindle position and orientation, functionally redundant with Dma1p; homolog of S. pombe Dma1 and H. sapiens Chfr 5231 S000005059 ORF Uncharacterized YNL115C n.a. 14 412053 410119 C Hypothetical protein 5233 S000005057 ORF Verified YNL113W RPC19 14 412771 413199 W RNA polymerase subunit, common to RNA polymerases I and III 5235 S000005058 ORF Dubious YNL114C n.a. 14 413055 412684 C Protein required for cell viability 5237 S000005056 ORF Verified YNL112W DBP2 14 413639 416281 W Essential ATP-dependent RNA helicase of the DEAD-box protein family, involved in nonsense-mediated mRNA decay and rRNA processing 5240 S000033964 intron n.a. n.a. n.a. 14 414912 415913 W n.a. 5241 S000005055 ORF Verified YNL111C CYB5 14 417302 416940 C Cytochrome b5, involved in the sterol and lipid biosynthesis pathways; required for sterol C5-6 and fatty acid desaturation 5243 S000005054 ORF Verified YNL110C NOP15 14 418488 417826 C Constituent of 66S pre-ribosomal particles, involved in 60S ribosomal subunit biogenesis; localizes to both nucleolus and cytoplasm 5245 S000005053 ORF Dubious YNL109W n.a. 14 418964 419509 W Hypothetical protein 5247 S000005052 ORF Uncharacterized YNL108C n.a. 14 419826 419014 C Hypothetical protein 5249 S000005051 ORF Verified YNL107W YAF9 14 420098 420778 W Subunit of both the NuA4 histone H4 acetyltransferase complex and the SWR1 complex, may function to antagonize silencing near telomeres; interacts directly with Swc4p, has homology to human leukemogenic protein AF9, contains a YEATS domain 5251 S000005049 ORF Dubious YNL105W n.a. 14 424155 424583 W Hypothetical protein 5253 S000005050 ORF Verified YNL106C INP52 14 424495 420944 C Phosphatidylinositol 4,5-bisphosphate 5-phosphatase, synaptojanin-like protein with an N-terminal Sac1 domain, plays a role in endocytosis; hyperosmotic stress causes translocation to actin patches 5255 S000028701 ORF Dubious YNL103W-A n.a. 14 426719 426808 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5257 S000005048 ORF Verified YNL104C LEU4 14 426754 424895 C Alpha-isopropylmalate synthase (2-isopropylmalate synthase); the main isozyme responsible for the first step in the leucine biosynthesis pathway 5259 S000005047 ORF Verified YNL103W MET4 14 427735 429753 W Lecine-zipper transcriptional activator, responsible for the regulation of the sulfur amino acid pathway, requires different combinations of the auxiliary factors Cbf1p, Met28p, Met31p and Met32p 5261 S000005046 ORF Verified YNL102W POL1 14 430087 434493 W Catalytic subunit of the DNA polymerase alpha-primase complex, required for the initiation of DNA replication during mitotic DNA synthesis and premeiotic DNA synthesis 5263 S000005045 ORF Verified YNL101W AVT4 14 434999 437140 W Vacuolar transporter, exports large neutral amino acids from the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters 5265 S000005044 ORF Uncharacterized YNL100W n.a. 14 437613 438317 W Hypothetical protein 5267 S000005043 ORF Verified YNL099C OCA1 14 439283 438567 C Putative protein tyrosine phosphatase, required for cell cycle arrest in response to oxidative damage of DNA 5269 S000005042 ORF Verified YNL098C RAS2 14 440570 439602 C GTP-binding protein that regulates the nitrogen starvation response, sporulation, and filamentous growth; farnesylation and palmitoylation required for activity and localization to plasma membrane; homolog of mammalian Ras proto-oncogenes 5271 S000028699 ORF Uncharacterized YNL097C-B n.a. 14 440919 440797 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5273 S000028700 ORF Dubious YNL097W-A n.a. 14 441431 441586 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5275 S000005041 ORF Verified YNL097C PHO23 14 442358 441366 C Probable component of the Rpd3 histone deacetylase complex, involved in transcriptional regulation of PHO5; C-terminus has similarity to human candidate tumor suppressor p33(ING1) 5277 S000006645 tRNA n.a. tL(CAA)N n.a. 14 443006 443119 W tRNA-Leu 5278 S000033817 intron n.a. n.a. n.a. 14 443044 443075 W n.a. 5281 S000005040 ORF Verified YNL096C RPS7B 14 444315 443398 C Protein component of the small (40S) ribosomal subunit, nearly identical to Rps7Ap; interacts with Kti11p; deletion causes hypersensitivity to zymocin; has similarity to rat S7 and Xenopus S8 ribosomal proteins 5284 S000030168 intron n.a. n.a. n.a. 14 444171 443827 C n.a. 5285 S000005039 ORF Uncharacterized YNL095C n.a. 14 446840 444912 C Hypothetical protein 5287 S000005038 ORF Uncharacterized YNL094W APP1 14 447611 449374 W Protein of unknown function, interacts with Rvs161p and Rvs167p; computational analysis of protein-protein interactions in large-scale studies suggests a possible role in actin filament organization 5289 S000005037 ORF Verified YNL093W YPT53 14 449868 450530 W GTPase, similar to Ypt51p and Ypt52p and to mammalian rab5; required for vacuolar protein sorting and endocytosis 5291 S000005036 ORF Uncharacterized YNL092W n.a. 14 450871 452073 W Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 5293 S000005035 ORF Verified YNL091W NST1 14 452408 456130 W Protein of unknown function, mediates sensitivity to salt stress; interacts physically with the splicing factor Msl1p and also displays genetic interaction with MSL1 5295 S000005034 ORF Verified YNL090W RHO2 14 456565 457143 W Non-essential small GTPase of the Rho/Rac subfamily of Ras-like proteins, involved in the establishment of cell polarity and in microtubule assembly 5297 S000005033 ORF Dubious YNL089C n.a. 14 457169 456693 C Hypothetical protein 5299 S000005032 ORF Verified YNL088W TOP2 14 457704 461990 W Essential type II topoisomerase, relieves torsional strain in DNA by cleaving and re-sealing the phosphodiester backbone of both positively and negatively supercoiled DNA; cleaves complementary strands; localizes to axial cores in meiosis 5301 S000005031 ORF Verified YNL087W TCB2 14 462411 465947 W Bud-specific protein with a potential role in membrane trafficking; GFP-fusion protein migrates from the cell surface to intracellular vesicles near vacuole; contains 3 calcium and lipid binding domains; mRNA is targeted to the bud via the mRNA transport system involving She2p 5303 S000005030 ORF Uncharacterized YNL086W n.a. 14 466334 466642 W Hypothetical protein 5305 S000005029 ORF Verified YNL085W MKT1 14 467131 469623 W Protein involved in propagation of M2 dsRNA satellite of L-A virus; forms a complex with Pbp1p that is involved in posttranscriptional regulation of HO endonuclease 5307 S000005028 ORF Verified YNL084C END3 14 471102 470053 C EH domain-containing protein involved in endocytosis, actin cytoskeletal organization and cell wall morphogenesis; forms a complex with Sla1p and Pan1p 5309 S000005027 ORF Verified YNL083W SAL1 14 471377 473014 W Probable transporter, member of the Ca2+-binding subfamily of the mitochondrial carrier family, with two EF-hand motifs; Pet9p and Sal1p have an overlapping function critical for viability; polymorphic in different S. cerevisiae strains 5311 S000005026 ORF Verified YNL082W PMS1 14 473390 476011 W ATP-binding protein required for mismatch repair in mitosis and meiosis; functions as a heterodimer with Mlh1p, binds double- and single-stranded DNA via its N-terminal domain, similar to E. coli MutL 5313 S000005025 ORF Uncharacterized YNL081C SWS2 14 476618 476187 C Putative mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S13 ribosomal protein 5315 S000005024 ORF Uncharacterized YNL080C n.a. 14 478031 476931 C Deletion causes slight growth defect, similar to U. maydis myp1 protein 5317 S000005023 ORF Verified YNL079C TPM1 14 479164 478565 C Major isoform of tropomyosin; binds to and stabilizes actin cables and filaments, which direct polarized cell growth and the distribution of several organelles; acetylated by the NatB complex and acetylated form binds actin most efficiently 5319 S000005022 ORF Verified YNL078W NIS1 14 479767 480990 W Protein localized in the bud neck at G2/M phase; physically interacts with septins; possibly involved in a mitotic signaling network 5321 S000005021 ORF Verified YNL077W APJ1 14 481390 482976 W Putative chaperone of the HSP40 (DNAJ) family; overexpression interferes with propagation of the [Psi+] prion 5323 S000005020 ORF Verified YNL076W MKS1 14 483555 485309 W Pleiotropic regulatory factor involved in Ras-CAMP and lysine biosynthetic pathways and nitrogen regulation; involved in retrograde (RTG) mitochondria-to-nucleus signaling 5325 S000005019 ORF Verified YNL075W IMP4 14 485606 486478 W Component of the SSU processome, which is required for pre-18S rRNA processing; interacts with Mpp10p; member of a superfamily of proteins that contain a sigma(70)-like motif and associate with RNAs 5327 S000005018 ORF Verified YNL074C MLF3 14 488123 486765 C Serine-rich protein of unknown function; overproduction suppresses the growth inhibition caused by exposure to the immunosuppressant leflunomide 5329 S000005017 ORF Verified YNL073W MSK1 14 488385 490115 W Mitochondrial lysine-tRNA synthetase, required for import of both aminoacylated and deacylated forms of tRNA(Lys) into mitochondria 5331 S000005016 ORF Verified YNL072W RNH201 14 490316 491239 W Ribonuclease H2 catalytic subunit, removes RNA primers during Okazaki fragment synthesis; cooperates with Rad27p nuclease 5333 S000005015 ORF Verified YNL071W LAT1 14 491522 492970 W Dihydrolipoamide acetyltransferase component (E2) of pyruvate dehydrogenase complex, which catalyzes the oxidative decarboxylation of pyruvate to acetyl-CoA 5335 S000005014 ORF Verified YNL070W TOM7 14 493365 493547 W Involved in mitochondrial protein import; translocase of the outer mito. membrane 5337 S000005013 ORF Verified YNL069C RPL16B 14 495000 493955 C N-terminally acetylated protein component of the large (60S) ribosomal subunit, binds to 5.8 S rRNA; has similarity to Rpl16Ap, E. coli L13 and rat L13a ribosomal proteins; transcriptionally regulated by Rap1p 5340 S000036375 intron n.a. n.a. n.a. 14 494972 494524 C n.a. 5341 S000005012 ORF Verified YNL068C FKH2 14 498288 495700 C Transcription factor of the forkhead family that regulates the cell cycle and pseudohyphal growth; also involved in chromatin silencing at HML and HMR; potential Cdc28p substrate 5343 S000007623 ORF Dubious YNL067W-A n.a. 14 498537 498683 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 5345 S000028810 ORF Uncharacterized YNL067W-B n.a. 14 499416 499556 W ORF, Uncharacterized 5347 S000005011 ORF Verified YNL067W RPL9B 14 499680 500255 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl9Ap and has similarity to E. coli L6 and rat L9 ribosomal proteins 5349 S000005010 ORF Verified YNL066W SUN4 14 501514 502776 W Cell wall protein related to glucanases, possibly involved in cell wall septation; member of the SUN family 5351 S000005009 ORF Verified YNL065W AQR1 14 503723 505483 W Plasma membrane transporter of the major facilitator superfamily that confers resistance to short-chain monocarboxylic acids and quinidine 5353 S000005008 ORF Verified YNL064C YDJ1 14 507096 505867 C Protein chaperone involved in regulation of the HSP90 and HSP70 functions; involved in protein translocation across membranes; member of the DnaJ family 5355 S000005007 ORF Uncharacterized YNL063W n.a. 14 507757 508701 W ORF, Uncharacterized 5357 S000005006 ORF Verified YNL062C GCD10 14 510211 508775 C Subunit of tRNA (1-methyladenosine) methyltransferase with Gcd14p, required for the modification of the adenine at position 58 in tRNAs, especially tRNAi-Met; first identified as a negative regulator of GCN4 expression 5359 S000005005 ORF Verified YNL061W NOP2 14 510539 512395 W Probable RNA m(5)C methyltransferase, essential for processing and maturation of 27S pre-rRNA and large ribosomal subunit biogenesis; localized to the nucleolus; constituent of 66S pre-ribosomal particles 5361 S000005004 ORF Verified YNL059C ARP5 14 514934 512667 C Nuclear actin-related protein involved in chromatin remodeling, component of chromatin-remodeling enzyme complexes 5363 S000005002 ORF Dubious YNL057W n.a. 14 516402 516734 W Hypothetical protein 5365 S000005003 ORF Uncharacterized YNL058C n.a. 14 516712 515762 C Protein of unknown function, localizes to the vacuole; potential Cdc28p substrate 5367 S000005001 ORF Uncharacterized YNL056W n.a. 14 517248 517841 W Cytoplasmic protein required for replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 5369 S000005000 ORF Verified YNL055C POR1 14 518844 517993 C Mitochondrial porin (voltage-dependent anion channel), outer membrane protein required for the maintenance of mitochondrial osmotic stability and mitochondrial membrane permeability 5373 S000006544 tRNA n.a. tD(GUC)N n.a. 14 519168 519098 C tRNA-Asp 5382 S000004999 ORF Verified YNL054W VAC7 14 526085 529582 W Integral vacuolar membrane protein involved in vacuole inheritance and morphology; may function to regulate Fab1p kinase activity 5384 S000004998 ORF Verified YNL053W MSG5 14 529941 531410 W Dual-specificity protein phosphatase required for maintenance of a low level of signaling through the cell integrity pathway; regulates and is regulated by Slt2p; also required for adaptive response to pheromone 5386 S000004997 ORF Verified YNL052W COX5A 14 531724 532185 W Subunit Va of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; predominantly expressed during aerobic growth while its isoform Vb (Cox5Bp) is expressed during anaerobic growth 5388 S000004996 ORF Verified YNL051W COG5 14 532658 533869 W Component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments 5390 S000004995 ORF Uncharacterized YNL050C n.a. 14 534981 534078 C Hypothetical protein 5393 S000037524 intron n.a. n.a. n.a. 14 534964 534874 C n.a. 5394 S000004994 ORF Verified YNL049C SFB2 14 537910 535280 C Probable component of COPII coated vesicles that binds to Sec23p; similar to and functionally redundant with Sec24p, but expressed at low levels; involved in ER to Golgi transport and in autophagy 5396 S000004993 ORF Verified YNL048W ALG11 14 538172 539818 W Alpha-1,2-mannosyltransferase, catalyzes addition of the terminal alpha 1,2-Man to the Man5GlcNAc2-PP-dolichol intermediate during asparagine-linked glycosylation in the ER 5398 S000004992 ORF Verified YNL047C SLM2 14 541880 539910 C Phosphoinositide PI4,5P(2) binding protein, forms a complex with Slm1p; acts downstream of Mss4p in a pathway regulating actin cytoskeleton organization in response to stress; phosphorylated by the Tor2p-containing complex TORC2 5400 S000004991 ORF Uncharacterized YNL046W n.a. 14 542303 542821 W Hypothetical protein 5402 S000004990 ORF Verified YNL045W n.a. 14 542962 544977 W Leucyl aminopeptidase with epoxide hydrolase activity, metalloenzyme containing one zinc atom; role in vivo is not defined 5404 S000004989 ORF Verified YNL044W YIP3 14 545267 545876 W Protein localized to COPII vesicles, proposed to be involved in ER to Golgi transport; interacts with members of the Rab GTPase family and Yip1p 5407 S000035330 intron n.a. n.a. n.a. 14 545291 545369 W n.a. 5408 S000004988 ORF Dubious YNL043C n.a. 14 545908 545588 C Hypothetical protein 5412 S000006685 tRNA n.a. tP(UGG)N1 n.a. 14 547093 547195 W tRNA-Pro 5413 S000030970 intron n.a. n.a. n.a. 14 547129 547159 W n.a. 5416 S000028850 ORF Uncharacterized YNL042W-B n.a. 14 547112 547369 W Identified by expression profiling and mass spectrometry 5418 S000004987 ORF Verified YNL042W BOP3 14 548099 549289 W Protein of unknown function, potential Cdc28p substrate; overproduction suppresses a pam1 slv3 double null mutation and confers resistance to methylmercury 5420 S000004986 ORF Verified YNL041C COG6 14 551986 549467 C Component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments 5422 S000004985 ORF Uncharacterized YNL040W n.a. 14 553379 554749 W Hypothetical protein 5424 S000004984 ORF Verified YNL039W BDP1 14 555047 556831 W Essential subunit of RNA polymerase III transcription factor (TFIIIB), which is involved in transcription of genes encoding tRNAs, 5S rRNA, U6 snRNA, and other small RNAs 5426 S000004983 ORF Verified YNL038W GPI15 14 557019 557782 W Protein involved in the synthesis of N-acetylglucosaminyl phosphatidylinositol (GlcNAc-PI), the first intermediate in the synthesis of glycosylphosphatidylinositol (GPI) anchors; homologous to the human PIG-H protein 5429 S000032183 intron n.a. n.a. n.a. 14 557610 557683 W n.a. 5430 S000004982 ORF Verified YNL037C IDH1 14 559001 557919 C Subunit of mitochondrial NAD(+)-dependent isocitrate dehydrogenase, which catalyzes the oxidation of isocitrate to alpha-ketoglutarate in the TCA cycle 5432 S000004981 ORF Verified YNL036W NCE103 14 559813 560478 W Carbonic anhydrase; poorly transcribed under aerobic conditions and at an undetectable level under anaerobic conditions; involved in non-classical protein export pathway 5434 S000006745 tRNA n.a. tT(AGU)N2 n.a. 14 560764 560692 C tRNA-Thr 5440 S000006686 tRNA n.a. tP(UGG)N2 n.a. 14 568114 568216 W tRNA-Pro 5441 S000030974 intron n.a. n.a. n.a. 14 568150 568180 W n.a. 5444 S000004980 ORF Uncharacterized YNL035C n.a. 14 569690 568521 C Hypothetical protein 5446 S000006609 tRNA n.a. tI(AAU)N1 n.a. 14 569939 569866 C tRNA-Ile 5448 S000004979 ORF Uncharacterized YNL034W n.a. 14 570476 572314 W Hypothetical protein 5450 S000004978 ORF Uncharacterized YNL033W n.a. 14 572998 573852 W Hypothetical protein 5452 S000004977 ORF Verified YNL032W SIW14 14 574505 575350 W Tyrosine phosphatase that plays a role in actin filament organization and endocytosis; localized to the cytoplasm 5454 S000004976 ORF Verified YNL031C HHT2 14 576049 575639 C One of two identical histone H3 proteins (see also HHT1); core histone required for chromatin assembly, involved in heterochromatin-mediated telomeric and HM silencing; regulated by acetylation, methylation, and mitotic phosphorylation 5456 S000004975 ORF Verified YNL030W HHF2 14 576726 577037 W One of two identical histone H4 proteins (see also HHF1); core histone required for chromatin assembly and chromosome function; contributes to telomeric silencing; N-terminal domain involved in maintaining genomic integrity 5458 S000004973 ORF Dubious YNL028W n.a. 14 578678 578995 W Hypothetical protein 5460 S000004974 ORF Verified YNL029C KTR5 14 578772 577204 C Putative mannosyltransferase involved in protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family 5462 S000004972 ORF Verified YNL027W CRZ1 14 579579 581615 W Transcription factor that activates transcription of genes involved in stress response; nuclear localization is positively regulated by calcineurin-mediated dephosphorylation 5464 S000004971 ORF Verified YNL026W SAM50 14 581919 583373 W Essential component of the Sorting and Assembly Machinery (SAM complex) of the mitochondrial outer membrane; the authentic, non-tagged protein was localized to the mitochondria 5466 S000004970 ORF Verified YNL025C SSN8 14 585290 584319 C Component of RNA polymerase II holoenzyme, involved in RNA pol II carboxy-terminal domain phosphorylation 5468 S000007436 ncRNA n.a. NME1 NME1 14 585586 585925 W RNA component of RNase MRP, which cleaves pre-rRNA 5470 S000006457 snoRNA n.a. snR66 SNR66 14 586089 586174 W guides 2'-O-methylation on large subunit rRNA at U2415; small nucleolar RNA snR66 5472 S000028698 ORF Uncharacterized YNL024C-A n.a. 14 586819 586601 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5474 S000004969 ORF Uncharacterized YNL024C n.a. 14 587846 587106 C Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 5476 S000004968 ORF Verified YNL023C FAP1 14 591159 588262 C Protein that binds to Fpr1p (FKBP12), conferring rapamycin resistance by competing with rapamycin for Fpr1p binding; has similarity to putative transcription factors, including D. melanogaster shuttle craft and human NFX1 5478 S000004967 ORF Uncharacterized YNL022C n.a. 14 592898 591426 C Non-essential protein with similarity to S. pombe hypothetical protein E349594 5480 S000004966 ORF Verified YNL021W HDA1 14 593226 595346 W Putative catalytic subunit of a class II histone deacetylase complex that also contains Hda2p and Hda3p; Hda1p interacts with the Hda2p-Hda3p subcomplex to form an active tetramer; deletion increases histone H2B, H3 and H4 acetylation 5482 S000004965 ORF Verified YNL020C ARK1 14 597538 595622 C Serine/threonine protein kinase involved in regulation of the cortical actin cytoskeleton; involved in control of endocytosis 5484 S000004964 ORF Uncharacterized YNL019C n.a. 14 599229 598375 C Hypothetical protein 5486 S000004963 ORF Uncharacterized YNL018C n.a. 14 601773 599935 C Hypothetical protein 5488 S000006610 tRNA n.a. tI(AAU)N2 n.a. 14 602311 602384 W tRNA-Ile 5490 S000004962 ORF Dubious YNL017C n.a. 14 602475 602137 C Hypothetical protein 5492 S000004961 ORF Verified YNL016W PUB1 14 602906 604267 W Poly(A)+ RNA-binding protein, abundant mRNP-component protein hypothesized to bind a pool of non-translatable mRNAs; not reported to associate with polyribosomes 5494 S000004960 ORF Verified YNL015W PBI2 14 605383 605610 W Cytosolic inhibitor of vacuolar proteinase B, required for efficient vacuole inheritance; with thioredoxin forms protein complex LMA1, which assists in priming SNARE molecules and promotes vacuole fusion 5496 S000004959 ORF Verified YNL014W HEF3 14 606318 609452 W Translational elongation factor EF-3; paralog of YEF3 and member of the ABC superfamily; stimulates EF-1 alpha-dependent binding of aminoacyl-tRNA by the ribosome; normally expressed in zinc deficient cells 5498 S000004958 ORF Dubious YNL013C n.a. 14 609509 609132 C Hypothetical protein 5500 S000004957 ORF Verified YNL012W SPO1 14 609685 611664 W Meiosis-specific protein with similarity to phospholipase B, required for meiotic spindle pole body duplication and separation; required for spore formation 5503 S000030706 intron n.a. n.a. n.a. 14 609790 609873 W n.a. 5504 S000004956 ORF Uncharacterized YNL011C n.a. 14 613169 611835 C Hypothetical protein 5506 S000004955 ORF Uncharacterized YNL010W n.a. 14 613634 614359 W Hypothetical protein 5508 S000004954 ORF Verified YNL009W IDP3 14 614820 616082 W Peroxisomal NADP-dependent isocitrate dehydrogenase, catalyzes oxidation of isocitrate to alpha-ketoglutarate with the formation of NADP(H+), required for growth on unsaturated fatty acids 5510 S000004953 ORF Verified YNL008C ASI3 14 618219 616210 C Putative integral membrane E3 ubiquitin ligase; genetic interactions suggest a role in negative regulation of amino acid uptake 5512 S000004952 ORF Verified YNL007C SIS1 14 619565 618507 C Type II HSP40 co-chaperone that interacts with the HSP70 protein Ssa1p; not functionally redundant with Ydj1p due to due to substrate specificity; shares similarity with bacterial DnaJ proteins 5514 S000004951 ORF Verified YNL006W LST8 14 620067 620978 W Protein required for the transport of amino acid permease Gap1p from the Golgi to the cell surface; component of the TOR signaling pathway; associates with both Tor1p and Tor2p; contains a WD-repeat 5516 S000004950 ORF Verified YNL005C MRP7 14 622428 621313 C Mitochondrial ribosomal protein of the large subunit 5518 S000004949 ORF Verified YNL004W HRB1 14 623332 624621 W Poly(A+) RNA-binding protein, involved in the export of mRNAs from the nucleus to the cytoplasm; similar to Gbp2p and Npl3p 5520 S000004948 ORF Verified YNL003C PET8 14 625829 624975 C S-adenosylmethionine transporter of the mitochondrial inner membrane, member of the mitochondrial carrier family; required for biotin biosynthesis and respiratory growth 5522 S000004947 ORF Verified YNL002C RLP7 14 627142 626174 C Nucleolar protein with similarity to large ribosomal subunit L7 proteins; constituent of 66S pre-ribosomal particles; plays an essential role in processing of precursors to the large ribosomal subunit RNAs 5524 S000004946 ORF Verified YNL001W DOM34 14 627456 628616 W Probable RNA-binding protein, functions in protein translation to promote G1 progression and differentiation, required for meiotic cell division 5530 S000005284 ORF Verified YNR001C CIT1 14 631061 629622 C Citrate synthase, catalyzes the condensation of acetyl coenzyme A and oxaloacetate to form citrate; the rate-limiting enzyme of the TCA cycle; nuclear encoded mitochondrial protein 5532 S000007625 ORF Dubious YNR001W-A n.a. 14 631263 631481 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 5534 S000006679 tRNA n.a. tP(AGG)N SUF10 14 631917 631846 C tRNA-Pro 5538 S000006674 tRNA n.a. tN(GUU)N2 n.a. 14 632599 632672 W tRNA-Asn 5540 S000005285 ORF Verified YNR002C FUN34 14 633856 633008 C Putative transmembrane protein, involved in ammonia production; member of the TC 9.B.33 YaaH family; homolog of Ady2p and Y. lipolytica Gpr1p 5542 S000028705 ORF Dubious YNR003W-A n.a. 14 634420 634518 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5544 S000005286 ORF Verified YNR003C RPC34 14 635297 634344 C RNA polymerase III subunit C34; interacts with TFIIIB70 and is a key determinant in pol III recruitment by the preinitiation complex 5546 S000005287 ORF Uncharacterized YNR004W n.a. 14 635943 636383 W Hypothetical protein 5548 S000005289 ORF Verified YNR006W VPS27 14 636986 638854 W Endosomal protein that forms a complex with Hse1p; required for recycling Golgi proteins, forming lumenal membranes and sorting ubiquitinated proteins destined for degradation; has Ubiquitin Interaction Motifs which bind ubiquitin (Ubi4p) 5550 S000005288 ORF Dubious YNR005C n.a. 14 637335 636931 C Hypothetical protein 5552 S000005290 ORF Verified YNR007C ATG3 14 640114 639182 C Protein involved in autophagy; E2-like enzyme that plays a role in formation of Atg8p-phosphatidylethanolamine conjugates, which are involved in membrane dynamics during autophagy 5554 S000005291 ORF Verified YNR008W LRO1 14 640396 642381 W Acyltransferase that catalyzes diacylglycerol esterification; one of several acyltransferases that contribute to triglyceride synthesis; putative homolog of human lecithin cholesterol acyltransferase 5556 S000005292 ORF Uncharacterized YNR009W n.a. 14 642690 643439 W Hypothetical protein 5558 S000005293 ORF Verified YNR010W CSE2 14 643744 644193 W Component of the Med9/10 module, which is a subcomplex within the RNA polymerase II Mediator complex; required for regulation of RNA polymerase II activity 5560 S000005294 ORF Verified YNR011C PRP2 14 646950 644320 C RNA-dependent ATPase in the DEAH-box family, required for activation of the spliceosome before the first transesterification step in RNA splicing 5562 S000005295 ORF Verified YNR012W URK1 14 647432 648937 W Uridine/cytidine kinase, component of the pyrimidine ribonucleotide salvage pathway that converts uridine into UMP and cytidine into CMP; involved in the pyrimidine deoxyribonucleotide salvage pathway, converting deoxycytidine into dCMP 5564 S000005296 ORF Verified YNR013C PHO91 14 651712 649028 C Low-affinity phosphate transporter; deletion of pho84, pho87, pho89, pho90, and pho91 causes synthetic lethality; transcription independent of Pi and Pho4p activity; overexpression results in vigorous growth 5566 S000005297 ORF Uncharacterized YNR014W n.a. 14 652465 653103 W Hypothetical protein 5568 S000005298 ORF Verified YNR015W SMM1 14 653387 654541 W Dihydrouridine synthase, member of a family of dihydrouridine synthases including Dus1p, Smm1p, Dus3p, and Dus4p; modifies uridine residues at position 20 of cytoplasmic tRNAs 5570 S000005299 ORF Verified YNR016C ACC1 14 661374 654673 C Acetyl-CoA carboxylase, biotin containing enzyme that catalyzes the carboxylation of acetyl-CoA to form malonyl-CoA; required for de novo biosynthesis of long-chain fatty acids 5572 S000005300 ORF Verified YNR017W MAS6 14 662913 663581 W Essential protein of the mitochondrial inner membrane, component of the mitochondrial import system 5574 S000005301 ORF Uncharacterized YNR018W n.a. 14 664270 664944 W Hypothetical protein 5576 S000005302 ORF Verified YNR019W ARE2 14 665339 667267 W Acyl-CoA:sterol acyltransferase, isozyme of Are1p; endoplasmic reticulum enzyme that contributes the major sterol esterification activity in the presence of oxygen 5578 S000005303 ORF Uncharacterized YNR020C n.a. 14 668222 667410 C Hypothetical protein 5580 S000005304 ORF Uncharacterized YNR021W n.a. 14 668377 669591 W Hypothetical protein 5582 S000005305 ORF Verified YNR022C MRPL50 14 670193 669774 C Mitochondrial ribosomal protein of the large subunit, not essential for mitochondrial translation 5584 S000005306 ORF Verified YNR023W SNF12 14 670418 672118 W 73 kDa subunit of the 11-subunit SWI/SNF chromatin remodeling complex involved in transcriptional regulation; homolog of Rsc6p subunit of the RSC chromatin remodeling complex; deletion mutants are temperature-sensitive 5586 S000005307 ORF Uncharacterized YNR024W n.a. 14 672409 672969 W Hypothetical protein 5588 S000005308 ORF Dubious YNR025C n.a. 14 673061 672702 C Hypothetical protein 5590 S000005309 ORF Verified YNR026C SEC12 14 674689 673274 C Guanine nucleotide exchange factor (GEF); glycosylated integral membrane protein of the endoplasmic reticulum, important for the initiation of transport vesicle budding from the endoplasmic reticulum through activation of the GTPase Sar1p 5592 S000005310 ORF Verified YNR027W BUD17 14 674923 675876 W Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 5594 S000005311 ORF Verified YNR028W CPR8 14 676177 677103 W Peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; similarity to Cpr4p suggests a potential role in the secretory pathway 5596 S000005312 ORF Uncharacterized YNR029C n.a. 14 678488 677199 C Hypothetical protein 5598 S000005313 ORF Verified YNR030W ALG12 14 678799 680454 W Alpha-1,6-mannosyltransferase localized to the ER; responsible for the addition of the alpha-1,6 mannose to dolichol-linked Man7GlcNAc2, acts in the dolichol pathway for N-glycosylation 5600 S000005314 ORF Verified YNR031C SSK2 14 685433 680694 C MAP kinase kinase kinase of the HOG1 mitogen-activated signaling pathway; interacts with Ssk1p, leading to autophosphorylation and activation of Ssk2p which phosphorylates Pbs2p; also mediates actin cytoskeleton recovery from osmotic stress 5602 S000005315 ORF Verified YNR032W PPG1 14 686010 687116 W Putative serine/threonine protein phosphatase, required for glycogen accumulation; interacts with Tap42p, which binds to and regulates other protein phosphatases 5604 S000007251 ORF Verified YNR032C-A HUB1 14 687464 687243 C Ubiquitin-like protein modifier, may function in modification of Sph1p and Hbt1p, functionally complemented by the human or S. pombe ortholog; mechanism of Hub1p adduct formation not yet clear 5606 S000005316 ORF Verified YNR033W ABZ1 14 687635 689998 W Para-aminobenzoate (PABA) synthase, has similarity to Escherichia coli PABA synthase components PabA and PabB 5608 S000005317 ORF Verified YNR034W SOL1 14 690321 691286 W Protein with a possible role in tRNA export; shows similarity to glucose-6-phosphate dehydrogenase non-catalytic domains but does not exhibit this enzymatic activity; homologous to Sol2p, Sol3p, and Sol4p 5610 S000007525 ORF Uncharacterized YNR034W-A n.a. 14 692561 692857 W Hypothetical protein 5612 S000005318 ORF Verified YNR035C ARC35 14 694047 693019 C Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches; required for cortical localization of calmodulin 5614 S000005319 ORF Uncharacterized YNR036C n.a. 14 694822 694361 C Putative mitochondrial ribosomal protein of the small subunit, has similarity to E. coli and human mitochondrial S12 ribosomal proteins 5616 S000005320 ORF Verified YNR037C RSM19 14 695327 695052 C Mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S19 ribosomal protein 5618 S000005321 ORF Verified YNR038W DBP6 14 695595 697484 W Essential protein involved in ribosome biogenesis; putative ATP-dependent RNA helicase of the DEAD-box protein family 5620 S000005322 ORF Verified YNR039C ZRG17 14 699431 697614 C Endoplasmic reticulum protein of unknown function, transcription is induced under conditions of zinc deficiency; mutant phenotype suggests a role in uptake of zinc 5622 S000005323 ORF Uncharacterized YNR040W n.a. 14 699690 700460 W Hypothetical protein 5624 S000005325 ORF Dubious YNR042W n.a. 14 701238 701666 W Hypothetical protein 5626 S000005324 ORF Verified YNR041C COQ2 14 701659 700541 C Para hydroxybenzoate: polyprenyl transferase, catalyzes the second step in ubiquinone (coenzyme Q) biosynthesis 5628 S000005326 ORF Verified YNR043W MVD1 14 701895 703085 W Mevalonate pyrophosphate decarboxylase, essential enzyme involved in the biosynthesis of isoprenoids and sterols, including ergosterol; acts as a homodimer 5630 S000005327 ORF Verified YNR044W AGA1 14 703699 705876 W Anchorage subunit of a-agglutinin of a-cells, highly O-glycosylated protein with N-terminal secretion signal and C-terminal signal for addition of GPI anchor to cell wall, linked to adhesion subunit Aga2p via two disulfide bonds 5632 S000005328 ORF Verified YNR045W PET494 14 706139 707608 W Specific translational activator for the COX3 mRNA that acts together with Pet54p and Pet122p; located in the mitochondrial inner membrane 5634 S000005329 ORF Verified YNR046W TRM112 14 707788 708195 W Subunit of an adoMet-dependent tRNA methyltransferase (MTase) complex (Trm11p-Trm112p), required for the methylation of the guanosine nucleotide at position 10 (m2G10) in tRNAs; putative zinc binding subunit of other MTase-related proteins 5636 S000005330 ORF Uncharacterized YNR047W n.a. 14 708523 711204 W Putative protein kinase that, when overexpressed, interferes with pheromone-induced growth arrest; localizes to the cytoplasm; potential Cdc28p substrate 5638 S000005331 ORF Uncharacterized YNR048W n.a. 14 711630 712811 W Protein with similarity to Cdc50p 5640 S000005332 ORF Verified YNR049C MSO1 14 713655 713023 C Probable component of the secretory vesicle docking complex, acts at a late step in secretion; shows genetic and physical interactions with Sec1p and is enriched in microsomal membrane fractions; required for sporulation 5642 S000005333 ORF Verified YNR050C LYS9 14 715388 714048 C Saccharopine dehydrogenase (NADP+, L-glutamate-forming); catalyzes the formation of saccharopine from alpha-aminoadipate 6-semialdehyde, which is the seventh step in lysine biosynthesis pathway 5644 S000007460 snoRNA n.a. snR49 SNR49 14 716120 716284 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of small subunit rRNA at positions 120, 211, and 302 and of large subunit rRNA at position 989 5646 S000005334 ORF Verified YNR051C BRE5 14 718327 716780 C Ubiquitin protease cofactor, forms deubiquitination complex with Ubp3p that coregulates anterograde and retrograde transport between the endoplasmic reticulum and Golgi compartments; null is sensitive to brefeldin A 5648 S000005335 ORF Verified YNR052C POP2 14 720647 719346 C RNase of the DEDD superfamily, subunit of the Ccr4-Not complex that mediates 3' to 5' mRNA deadenylation 5650 S000029463 snoRNA n.a. snR191 SNR191 14 722210 721937 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at positions 2259 and 2257; encoded within the intron of NOG2/YNR053C 5652 S000005336 ORF Verified YNR053C NOG2 14 723111 721120 C Putative GTPase that associates with pre-60S ribosomal subunits in the nucleolus and is required for their nuclear export and maturation 5655 S000033759 intron n.a. n.a. n.a. 14 722301 721771 C n.a. 5656 S000005337 ORF Uncharacterized YNR054C n.a. 14 724305 723355 C Essential protein of unknown function, has homology to mouse mABT1, which is a basal transcription activator that associates with TBP 5658 S000006653 tRNA n.a. tL(UAA)N n.a. 14 726216 726133 C tRNA-Leu 5663 S000005338 ORF Verified YNR055C HOL1 14 730185 728425 C Putative ion transporter similar to the major facilitator superfamily of transporters; mutations in membrane-spanning domains permit nonselective cation uptake 5665 S000005339 ORF Verified YNR056C BIO5 14 733301 731616 C Putative transmembrane protein involved in the biotin biosynthesis pathway; responsible for uptake of 7-keto 8-aminopelargonic acid; BIO5 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis 5667 S000005340 ORF Verified YNR057C BIO4 14 734067 733354 C Dethiobiotin synthetase, catalyzes the third step in the biotin biosynthesis pathway; BIO4 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis; expression appears to be repressed at low iron levels 5669 S000005341 ORF Verified YNR058W BIO3 14 734289 735731 W 7,8-diamino-pelargonic acid aminotransferase (DAPA), catalyzes the second step in the biotin biosynthesis pathway; BIO3 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis 5671 S000005342 ORF Verified YNR059W MNT4 14 736801 738543 W Putative alpha-1,3-mannosyltransferase, not required for protein O-glycosylation 5673 S000005343 ORF Verified YNR060W FRE4 14 739949 742108 W Ferric reductase, reduces a specific subset of siderophore-bound iron prior to uptake by transporters; expression induced by low iron levels 5675 S000005344 ORF Uncharacterized YNR061C n.a. 14 743538 742879 C Hypothetical protein 5677 S000005345 ORF Uncharacterized YNR062C n.a. 14 745341 744358 C Hypothetical protein 5679 S000005346 ORF Uncharacterized YNR063W n.a. 14 746941 748764 W Hypothetical protein 5681 S000005347 ORF Verified YNR064C n.a. 14 750006 749134 C Epoxide hydrolase, member of the alpha/beta hydrolase fold family; may have a role in detoxification of epoxides 5683 S000005348 ORF Uncharacterized YNR065C n.a. 14 753698 750348 C Sortilin homolog, interacts with proteins of the endocytic machinery 5685 S000005349 ORF Uncharacterized YNR066C n.a. 14 755033 753723 C Hypothetical protein 5687 S000005350 ORF Verified YNR067C DSE4 14 759097 755744 C Daughter cell-specific secreted protein with similarity to glucanases, degrades cell wall from the daughter side causing daughter to separate from mother 5689 S000005351 ORF Uncharacterized YNR068C n.a. 14 760883 760065 C Hypothetical protein 5691 S000005352 ORF Verified YNR069C BSC5 14 762590 761121 C Protein of unknown function, ORF exhibits genomic organization compatible with a translational readthrough-dependent mode of expression 5693 S000005353 ORF Uncharacterized YNR070W n.a. 14 765373 769374 W Putative transporter of the ATP-binding cassette (ABC) family, implicated in pleiotropic drug resistance 5695 S000005354 ORF Uncharacterized YNR071C n.a. 14 771466 770438 C Hypothetical protein 5697 S000005355 ORF Verified YNR072W HXT17 14 772655 774349 W Protein of unknown function with similarity to hexose transporter family members, expression is repressed by high levels of glucose 5699 S000005356 ORF Uncharacterized YNR073C n.a. 14 776298 774790 C Hypothetical protein 5701 S000005357 ORF Verified YNR074C AIF1 14 778736 777600 C Mitochondrial cell death effector that translocates to the nucleus in response to apoptotic stimuli, homolog of mammalian Apoptosis-Inducing Factor, putative reductase 5703 S000005358 ORF Verified YNR075W COS10 14 779914 781038 W Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 5705 S000028706 ORF Uncharacterized YNR075C-A n.a. 14 781601 781509 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5707 S000005359 ORF Verified YNR076W PAU6 14 781916 782278 W Part of 23-member seripauperin multigene family encoded mainly in subtelomeric regions, active during alcoholic fermentation, regulated by anaerobiosis, negatively regulated by oxygen, repressed by heme 5713 S000005360 ORF Dubious YNR077C n.a. 14 783539 783285 C Hypothetical protein 5720 S000028709 ORF Uncharacterized YOL166W-A n.a. 15 585 740 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5725 S000005526 ORF Dubious YOL166C n.a. 15 1338 1000 C Hypothetical protein 5727 S000005525 ORF Verified YOL165C AAD15 15 2078 1647 C Putative aryl-alcohol dehydrogenase with similarity to P. chrysosporium aryl-alcohol dehydrogenase; mutational analysis has not yet revealed a physiological role 5731 S000028580 ORF Uncharacterized YOL164W-A n.a. 15 4130 4312 W Identified by fungal homology and RT-PCR 5733 S000005524 ORF Uncharacterized YOL164W n.a. 15 6175 8115 W Bacterially-derived sulfatase required for use of alkyl- and aryl-sulfates as sulfur sources 5735 S000005523 ORF Uncharacterized YOL163W n.a. 15 9596 10105 W Hypothetical protein, member of the Dal5p subfamily of the major facilitator family 5737 S000005522 ORF Uncharacterized YOL162W n.a. 15 10118 10765 W Hypothetical protein, member of the Dal5p subfamily of the major facilitator family 5739 S000005521 ORF Uncharacterized YOL161C n.a. 15 11910 11548 C Hypothetical protein 5741 S000005520 ORF Dubious YOL160W n.a. 15 14312 14653 W Hypothetical protein 5743 S000007627 ORF Uncharacterized YOL159C-A n.a. 15 15504 15232 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 5745 S000005519 ORF Uncharacterized YOL159C n.a. 15 17795 17280 C Hypothetical protein 5748 S000005518 ORF Verified YOL158C ENB1 15 21310 19490 C Endosomal ferric enterobactin transporter, expressed under conditions of iron deprivation; member of the major facilitator superfamily; expression is regulated by Rcs1p and affected by chloroquine treatment 5750 S000005517 ORF Uncharacterized YOL157C n.a. 15 24293 22524 C Hypothetical protein 5752 S000005516 ORF Verified YOL156W HXT11 15 25272 26975 W Putative hexose transporter that is nearly identical to Hxt9p, has similarity to major facilitator superfamily (MFS) transporters and is involved in pleiotropic drug resistance 5754 S000028855 ORF Uncharacterized YOL155W-A n.a. 15 27083 27217 W Identified by expression profiling and mass spectrometry 5756 S000005515 ORF Uncharacterized YOL155C n.a. 15 31605 28702 C ORF 5758 S000005514 ORF Verified YOL154W ZPS1 15 34657 35406 W Putative GPI-anchored protein; transcription is induced under low-zinc conditions, as mediated by the Zap1p transcription factor, and at alkaline pH 5762 S000005512 ORF Verified YOL152W FRE7 15 40747 42636 W Putative ferric reductase with similarity to Fre2p; expression induced by low copper levels but not by low iron levels 5764 S000005511 ORF Verified YOL151W GRE2 15 43692 44720 W NADPH-dependent methylglyoxal reductase (D-lactaldehyde dehydrogenase); stress induced (osmotic, ionic, oxidative, heat shock and heavy metals); regulated by the HOG pathway 5766 S000005510 ORF Dubious YOL150C n.a. 15 44782 44471 C Hypothetical protein 5768 S000005509 ORF Verified YOL149W DCP1 15 44936 45631 W Decapping enzyme, essential phosphoprotein component of mRNA decapping complex, plays key role in mRNA decay by cleaving off the 5' cap to leave the end susceptible to exonucleolytic degradation; regulated by DEAD box protein Dhh1p 5770 S000005508 ORF Verified YOL148C SPT20 15 47572 45758 C Subunit of the SAGA transcriptional regulatory complex, involved in maintaining the integrity of the complex 5772 S000005507 ORF Verified YOL147C PEX11 15 48641 47931 C Peroxisomal membrane protein required for peroxisome proliferation and medium-chain fatty acid oxidation, most abundant protein in the peroxisomal membrane, regulated by Adr1p and Pip2p-Oaf1p, promoter contains ORE and UAS1-like elements 5774 S000005506 ORF Verified YOL146W PSF3 15 48862 49446 W Subunit of the GINS complex (Sld5p, Psf1p, Psf2p, Psf3p), which binds to DNA replication origins and facilitates assembly of the DNA replication machinery 5776 S000005505 ORF Verified YOL145C CTR9 15 52786 49553 C Component of the Paf1p complex, which is a large complex that binds to and modulates the activity of RNA polymerase II and is required for expression of a subset of genes, including cyclin genes; contains TPR repeats 5778 S000005504 ORF Verified YOL144W NOP8 15 53096 54550 W Nucleolar protein required for 60S ribosomal subunit biogenesis 5780 S000005503 ORF Verified YOL143C RIB4 15 55102 54593 C Lumazine synthase (6,7-dimethyl-8-ribityllumazine synthase, also known as DMRL synthase); catalyzes synthesis of immediate precursor to riboflavin 5782 S000005502 ORF Verified YOL142W RRP40 15 55556 56278 W Protein involved in rRNA processing; component of the exosome 3->5 exonuclease complex 5784 S000005501 ORF Verified YOL141W PPM2 15 56450 58537 W Putative carboxyl methyl transferase, has similarity to Ppm1p but biochemical activity not yet demonstrated 5786 S000005500 ORF Verified YOL140W ARG8 15 58758 60029 W Acetylornithine aminotransferase, catalyzes the fourth step in the biosynthesis of the arginine precursor ornithine 5788 S000005499 ORF Verified YOL139C CDC33 15 61023 60382 C Cytoplasmic mRNA cap binding protein; the eIF4E-cap complex is responsible for mediating cap-dependent mRNA translation via interactions with the translation initiation factor eIF4G (Tif4631p or Tif4632p) 5790 S000005498 ORF Uncharacterized YOL138C n.a. 15 65349 61324 C Hypothetical protein 5792 S000005497 ORF Verified YOL137W BSC6 15 65620 67113 W Protein of unknown function containing 8 putative transmembrane seqments; ORF exhibits genomic organization compatible with a translational readthrough-dependent mode of expression 5794 S000005496 ORF Verified YOL136C PFK27 15 68753 67560 C 6-phosphofructo-2-kinase, has negligible fructose-2,6-bisphosphatase activity, inhibited by phosphoenolpyruvate and sn-glycerol 3-phosphate, expression induced by glucose and sucrose, transcriptional regulation involves protein kinase A 5796 S000005495 ORF Verified YOL135C MED7 15 70043 69375 C Member of RNA Polymerase II transcriptional regulation mediator; Stoichiometric member of mediator complex 5798 S000005493 ORF Verified YOL133W HRT1 15 70324 70689 W RING finger containing subunit of Skp1-Cullin-F-box ubiquitin protein ligases (SCF); required for Gic2p, Far1p, Sic1p and Cln2p degradation; may tether Cdc34p (a ubiquitin conjugating enzyme or E2) and Cdc53p (a cullin) subunits of SCF 5800 S000005494 ORF Dubious YOL134C n.a. 15 70544 70155 C Protein required for cell viability 5802 S000005492 ORF Verified YOL132W GAS4 15 71299 72714 W Putative 1,3-beta-glucanosyltransferase, has similarity to Gas1p; localizes to the cell wall 5804 S000005491 ORF Uncharacterized YOL131W n.a. 15 73030 73356 W Hypothetical protein 5806 S000005490 ORF Verified YOL130W ALR1 15 74399 76978 W Plasma membrane Mg(2+) transporter, expression and turnover are regulated by Mg(2+) concentration; overexpression confers increased tolerance to Al(3+) and Ga(3+) ions 5808 S000005489 ORF Verified YOL129W VPS68 15 77559 78113 W Vacuolar membrane protein of unknown function involved in vacuolar protein sorting; also detected in the mitochondria 5810 S000005488 ORF Verified YOL128C YGK3 15 79478 78351 C Protein kinase related to mammalian glycogen synthase kinases of the GSK-3 family; GSK-3 homologs (Mck1p, Rim11p, Mrk1p, Ygk3p) are involved in control of Msn2p-dependent transcription of stress responsive genes and in protein degradation 5812 S000005487 ORF Verified YOL127W RPL25 15 80347 81189 W Primary rRNA-binding ribosomal protein component of the large (60S) ribosomal subunit, has similarity to E. coli L23 and rat L23a ribosomal proteins; binds to 26S rRNA via a conserved C-terminal motif 5815 S000031097 intron n.a. n.a. n.a. 15 80360 80773 W n.a. 5816 S000005486 ORF Verified YOL126C MDH2 15 83057 81786 C Cytoplasmic malate dehydrogenase, one of the three isozymes that catalyze interconversion of malate and oxaloacetate; involved in gluconeogenesis during growth on ethanol or acetate as carbon source; interacts with Pck1p and Fbp1p 5818 S000005485 ORF Uncharacterized YOL125W n.a. 15 83833 85263 W Hypothetical protein 5820 S000005484 ORF Verified YOL124C TRM11 15 86756 85455 C Catalytic subunit of an adoMet-dependent tRNA methyltransferase complex (Trm11p-Trm112p), required for the methylation of the guanosine nucleotide at position 10 (m2G10) in tRNAs; contains a THUMP domain and a methyltransferase domain 5822 S000005483 ORF Verified YOL123W HRP1 15 87843 89447 W Subunit of cleavage factor I, a five-subunit complex required for the cleavage and polyadenylation of pre-mRNA 3' ends; RRM-containing heteronuclear RNA binding protein and hnRNPA/B family member that binds to poly (A) signal sequences 5824 S000005482 ORF Verified YOL122C SMF1 15 91418 89691 C Divalent metal ion transporter with a broad specificity for di-valent and tri-valent metals; post-translationally regulated by levels of metal ions; member of the Nramp family of metal transport proteins 5826 S000005481 ORF Verified YOL121C RPS19A 15 92849 92025 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps19Bp and has similarity to rat S19 ribosomal protein 5829 S000035839 intron n.a. n.a. n.a. 15 92829 92440 C n.a. 5830 S000005480 ORF Verified YOL120C RPL18A 15 94401 93394 C Protein component of the large (60S) ribosomal subunit, identical to Rpl18Bp and has similarity to rat L18 ribosomal protein; intron of RPL18A pre-mRNA forms stem-loop structures that are a target for Rnt1p cleavage leading to degradation 5833 S000035728 intron n.a. n.a. n.a. 15 94289 93843 C n.a. 5834 S000005479 ORF Verified YOL119C MCH4 15 96360 94855 C Protein with similarity to mammalian monocarboxylate permeases, which are involved in transport of monocarboxylic acids across the plasma membrane; mutant is not deficient in monocarboxylate transport 5836 S000005478 ORF Dubious YOL118C n.a. 15 96915 96607 C Hypothetical protein 5838 S000005477 ORF Verified YOL117W RRI2 15 97550 99487 W Subunit of the COP9 signalosome (CSN) complex that cleaves the ubiquitin-like protein Nedd8 from SCF ubiquitin ligases; plays a role in the mating pheromone response 5840 S000005476 ORF Verified YOL116W MSN1 15 99808 100956 W Transcriptional activator involved in regulation of invertase and glucoamylase expression, invasive growth and pseudohyphal differentiation, iron uptake, chromium accumulation, and response to osmotic stress; localizes to the nucleus 5842 S000005475 ORF Verified YOL115W PAP2 15 101474 103228 W Catalytic subunit of TRAMP (Trf4/Pap2p-Mtr4p-Air1p/2p), a nuclear poly (A) polymerase complex involved in RNA quality control; catalyzes polyadenylation of unmodified tRNAs, and snoRNA and rRNA precursors; disputed role as a DNA polymerase 5844 S000005474 ORF Uncharacterized YOL114C n.a. 15 103924 103316 C Hypothetical protein 5846 S000005473 ORF Verified YOL113W SKM1 15 104325 106292 W Member of the PAK family of serine/threonine protein kinases with similarity to Ste20p and Cla4p; proposed to be a downstream effector of Cdc42p during polarized growth 5848 S000005472 ORF Verified YOL112W MSB4 15 106709 108187 W GTPase-activating protein of the Ras superfamily that acts primarily on Sec4p, localizes to the bud site and bud tip, has similarity to Msb3p; msb3 msb4 double mutation causes defects in secretion and actin organization 5850 S000005471 ORF Uncharacterized YOL111C n.a. 15 108895 108257 C Hypothetical protein 5852 S000005470 ORF Verified YOL110W SHR5 15 109175 109888 W Subunit of a palmitoyltransferase, composed of Shr5p and Erf2p, that adds a palmitoyl lipid moiety to Ras2p through a thioester linkage; palmitoylation is required for Ras2p localization to the plasma membrane 5854 S000005469 ORF Verified YOL109W ZEO1 15 110296 110637 W Peripheral membrane protein of the plasma membrane that interacts with Mid2p; regulates the cell integrity pathway mediated by Pkc1p and Slt2p 5856 S000006592 tRNA n.a. tG(UCC)O SUF1 15 111032 110961 C tRNA-Gly 5858 S000005468 ORF Verified YOL108C INO4 15 111885 111430 C Transcription factor required for derepression of inositol-choline-regulated genes involved in phospholipid synthesis; forms a complex, with Ino2p, that binds the inositol-choline-responsive element through a basic helix-loop-helix domain 5860 S000005467 ORF Uncharacterized YOL107W n.a. 15 112101 113129 W Hypothetical protein 5862 S000005466 ORF Dubious YOL106W n.a. 15 113225 113578 W Hypothetical protein 5865 S000006746 tRNA n.a. tT(AGU)O1 n.a. 15 113801 113873 W tRNA-Thr 5867 S000005465 ORF Verified YOL105C WSC3 15 115807 114137 C cell wall integrity and stress response component 3; Putative integral membrane protein containing novel cysteine motif. Similarity to SLG1 (WSC1), WSC2 and WSC4 5869 S000005464 ORF Verified YOL104C NDJ1 15 117453 116395 C Meiosis-specific telomere protein, required for bouquet formation, effective homolog pairing, ordered cross-over distribution (interference), sister chromatid cohesion at meiotic telomeres, and segregation of small chromosomes 5880 S000005463 ORF Verified YOL103W ITR2 15 124000 125829 W Myo-inositol transporter with strong similarity to the major myo-inositol transporter Itr1p, member of the sugar transporter superfamily; expressed constitutively 5882 S000005462 ORF Verified YOL102C TPT1 15 126688 125996 C tRNA 2'-phosphotransferase, catalyzes the final step in yeast tRNA splicing: the transfer of the 2'-PO(4) from the splice junction to NAD(+) to form ADP-ribose 1''-2''cyclic phosphate and nicotinamide 5884 S000005461 ORF Verified YOL101C IZH4 15 127919 126981 C Membrane protein involved in zinc metabolism, member of the four-protein IZH family, expression induced by fatty acids and altered zinc levels; deletion reduces sensitivity to excess zinc; possible role in sterol metabolism 5886 S000005460 ORF Verified YOL100W PKH2 15 129236 132481 W Serine/threonine protein kinase involved in sphingolipid-mediated signaling pathway that controls endocytosis; activates Ypk1p and Ykr2p, components of signaling cascade required for maintenance of cell wall integrity; redundant with Pkh1p 5888 S000005459 ORF Dubious YOL099C n.a. 15 132507 132016 C Hypothetical protein 5890 S000005458 ORF Uncharacterized YOL098C n.a. 15 135837 132724 C Putative metalloprotease 5892 S000006449 snoRNA n.a. snR58 SNR58 15 136182 136087 C guides 2'-O-methylation on large subunit ribosomal RNA at C661; small nucleolar RNA snR58 5894 S000028854 ORF Uncharacterized YOL097W-A n.a. 15 136219 136404 W Identified by expression profiling and mass spectrometry 5896 S000005457 ORF Verified YOL097C WRS1 15 137824 136526 C Cytoplasmic tryptophanyl-tRNA synthetase, aminoacylates tryptophanyl-tRNA 5898 S000005456 ORF Verified YOL096C COQ3 15 139044 138106 C O-methyltransferase, catalyzes two different O-methylation steps in ubiquinone (Coenzyme Q) biosynthesis; component of a mitochondrial ubiquinone-synthesizing complex 5900 S000005455 ORF Verified YOL095C HMI1 15 141346 139226 C Mitochondrial inner membrane localized ATP-dependent DNA helicase, required for the maintenance of the mitochondrial genome; not required for mitochondrial transcription 5902 S000005454 ORF Verified YOL094C RFC4 15 142554 141583 C Subunit of heteropentameric Replication factor C (RF-C), which is a DNA binding protein and ATPase that acts as a clamp loader of the proliferating cell nuclear antigen (PCNA) processivity factor for DNA polymerases delta and epsilon 5904 S000005453 ORF Verified YOL093W TRM10 15 142814 143695 W tRNA methyltransferase, methylates the N-1 position of guanosine in tRNAs 5906 S000005452 ORF Uncharacterized YOL092W n.a. 15 144203 145129 W Hypothetical protein 5908 S000005451 ORF Verified YOL091W SPO21 15 145333 147162 W Component of the meiotic outer plaque of the spindle pole body, involved in modifying the meiotic outer plaque that is required prior to prospore membrane formation 5910 S000005450 ORF Verified YOL090W MSH2 15 147381 150275 W Protein that forms heterodimers, with Msh3p and Msh6p, that bind to DNA mismatches to initiate the mismatch repair process; contains a Walker ATP-binding motif required for repair activity; Msh2p-Msh6p binds to and hydrolyzes ATP 5912 S000005449 ORF Verified YOL089C HAL9 15 153489 150397 C Putative transcription factor containing a zinc finger; overexpression increases salt tolerance through increased expression of the ENA1 (Na+/Li+ extrusion pump) gene while gene disruption decreases both salt tolerance and ENA1 expression 5914 S000005448 ORF Verified YOL088C MPD2 15 154744 153911 C Member of the protein disulfide isomerase (PDI) family, exhibits chaperone activity; overexpression suppresses the lethality of a pdi1 deletion but does not complement all Pdi1p functions; undergoes oxidation by Ero1p 5916 S000005447 ORF Uncharacterized YOL087C n.a. 15 158636 155286 C Hypothetical protein 5918 S000007626 ORF Uncharacterized YOL086W-A n.a. 15 159172 159444 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 5920 S000005446 ORF Verified YOL086C ADH1 15 160593 159547 C Alcohol dehydrogenase, fermentative isozyme active as homo- or heterotetramers; required for the reduction of acetaldehyde to ethanol, the last step in the glycolytic pathway 5922 S000028708 ORF Dubious YOL085W-A n.a. 15 161578 161790 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 5924 S000005445 ORF Dubious YOL085C n.a. 15 162013 161672 C Hypothetical protein 5926 S000005444 ORF Verified YOL084W PHM7 15 162355 165330 W Protein of unknown function, expression is regulated by phosphate levels; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery and vacuole 5928 S000005443 ORF Uncharacterized YOL083W n.a. 15 165713 166951 W Hypothetical protein 5930 S000028853 ORF Dubious YOL083C-A n.a. 15 166600 166460 C Identified by expression profiling and mass spectrometry 5932 S000005442 ORF Verified YOL082W ATG19 15 168726 169973 W Protein involved in the cytoplasm-to-vacuole targeting pathway and in autophagy, recognizes cargo proteins and delivers them to the preautophagosomal structure for eventual engulfment by the autophagosome and degradation 5934 S000005441 ORF Verified YOL081W IRA2 15 171069 180308 W GTPase-activating protein that negatively regulates RAS by converting it from the GTP- to the GDP-bound inactive form, required for reducing cAMP levels under nutrient limiting conditions, has similarity to Ira1p and human neurofibromin 5936 S000005439 ORF Dubious YOL079W n.a. 15 181056 181454 W Hypothetical protein 5938 S000005440 ORF Verified YOL080C REX4 15 181426 180557 C Putative RNA exonuclease possibly involved in pre-rRNA processing and ribosome assembly 5940 S000005438 ORF Verified YOL078W AVO1 15 181681 185211 W Component of a membrane-bound complex containing the Tor2p kinase and other proteins, which may have a role in regulation of cell growth 5942 S000007339 ORF Verified YOL077W-A ATP19 15 185437 185643 W Subunit k of the mitochondrial F1F0 ATP synthase, which is a large enzyme complex required for ATP synthesis; associated only with the dimeric form of ATP synthase 5944 S000005437 ORF Verified YOL077C BRX1 15 186722 185847 C Nucleolar protein, constituent of 66S pre-ribosomal particles; depletion leads to defects in rRNA processing and a block in the assembly of large ribosomal subunits; possesses a sigma(70)-like RNA-binding motif 5946 S000005436 ORF Verified YOL076W MDM20 15 187023 189413 W Non-catalytic subunit of the NatB N-terminal acetyltransferase, which catalyzes acetylation of the amino-terminal methionine residues of all proteins beginning with Met-Asp or Met-Glu and of some proteins beginning with Met-Asn or Met-Met; involved in mitochondrial inheritance and actin assembly 5948 S000005435 ORF Uncharacterized YOL075C n.a. 15 193541 189657 C Hypothetical protein 5950 S000005434 ORF Uncharacterized YOL073C n.a. 15 194799 193831 C Hypothetical protein 5952 S000005433 ORF Verified YOL072W THP1 15 194969 196336 W Nuclear pore-associated protein, forms a complex with Sac3p that is involved in transcription and in mRNA export from the nucleus; contains a PAM domain implicated in protein-protein binding 5954 S000005432 ORF Verified YOL071W EMI5 15 196506 196994 W Non-essential protein of unknown function required for transcriptional induction of the early meiotic-specific transcription factor IME1, also required for sporulation 5956 S000005431 ORF Uncharacterized YOL070C n.a. 15 198724 197219 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, and bud neck; potential Cdc28p substrate 5958 S000005430 ORF Verified YOL069W NUF2 15 198941 200296 W Component of the evolutionarily conserved kinetochore-associated Ndc80 complex (Ndc80p-Nuf2p-Spc24p-Spc25p); involved in chromosome segregation, spindle checkpoint activity and kinetochore clustering 5960 S000005429 ORF Verified YOL068C HST1 15 201878 200367 C NAD(+)-dependent histone deacetylase; essential subunit of the Sum1p/Rfm1p/Hst1p complex required for ORC-dependent silencing at HMR and for mitotic repression of mid-sporulation genes; non-essential subunit of the Set3C deacetylase complex 5962 S000005428 ORF Verified YOL067C RTG1 15 202517 201984 C Transcription factor (bHLH) involved in interorganelle communication between mitochondria, peroxisomes, and nucleus 5964 S000005427 ORF Verified YOL066C RIB2 15 204470 202695 C DRAP deaminase, catalyzes the third step of the riboflavin biosynthesis pathway; N-terminus has sequence similarity to RNA:pseudouridine synthases 5966 S000005426 ORF Verified YOL065C INP54 15 205884 204730 C Phosphatidylinositol 4,5-bisphosphate 5-phosphatase with a role in secretion, localizes to the endoplasmic reticulum via the C-terminal tail; lacks the Sac1 domain and proline-rich region found in the other 3 INP proteins 5968 S000005425 ORF Verified YOL064C MET22 15 207175 206102 C Bisphosphate-3'-nucleotidase, involved in salt tolerance and methionine biogenesis; dephosphorylates 3'-phosphoadenosine-5'-phosphate and 3'-phosphoadenosine-5'-phosphosulfate, intermediates of the sulfate assimilation pathway 5970 S000005424 ORF Uncharacterized YOL063C n.a. 15 210264 207391 C Protein of unknown function; not related to the HUS1 checkpoint protein identified in human and fission yeast 5972 S000005423 ORF Verified YOL062C APM4 15 211994 210519 C Mu2-like subunit of the clathrin associated protein complex (AP-2); involved in vesicle transport 5974 S000005422 ORF Verified YOL061W PRS5 15 212243 213733 W 5-phospho-ribosyl-1(alpha)-pyrophosphate synthetase, involved in nucleotide, histidine, and tryptophan biosynthesis; one of a five related enzymes, which are active as heteromultimeric complexes 5976 S000005421 ORF Verified YOL060C MAM3 15 216136 214016 C Protein required for normal mitochondrial morphology, has similarity to hemolysins 5978 S000005420 ORF Verified YOL059W GPD2 15 217125 218447 W NAD-dependent glycerol 3-phosphate dehydrogenase, homolog of Gpd1p, expression is controlled by an oxygen-independent signaling pathway required to regulate metabolism under anoxic conditions; located in cytosol and mitochondria 5980 S000005419 ORF Verified YOL058W ARG1 15 219209 220471 W Arginosuccinate synthetase, catalyzes the formation of L-argininosuccinate from citrulline and L-aspartate in the arginine biosynthesis pathway; potential Cdc28p substrate 5982 S000005418 ORF Uncharacterized YOL057W n.a. 15 220765 222900 W Putative metalloprotease 5984 S000005417 ORF Verified YOL056W GPM3 15 223266 224177 W Homolog of Gpm1p phosphoglycerate mutase which converts 3-phosphoglycerate to 2-phosphoglycerate in glycolysis; may be non-functional derivative of a gene duplication event 5986 S000005416 ORF Verified YOL055C THI20 15 226073 224418 C Hydroxymethylpyrimidine phosphate kinase, involved in the last steps in thiamine biosynthesis; member of a gene family with THI21 and THI22; functionally redundant with Thi21p 5988 S000006586 tRNA n.a. tG(GCC)O1 n.a. 15 226679 226609 C tRNA-Gly 5993 S000006675 tRNA n.a. tN(GUU)O1 n.a. 15 228329 228402 W tRNA-Asn 5995 S000005415 ORF Uncharacterized YOL054W n.a. 15 228612 229832 W Nuclear protein, putative RNA polymerase II elongation factor; isolated as Pob3p/Spt16p-binding protein 5997 S000005414 ORF Uncharacterized YOL053W n.a. 15 230083 231270 W Hypothetical protein 5999 S000005413 ORF Verified YOL052C-A DDR2 15 231753 231568 C Multistress response protein, expression is activated by a variety of xenobiotic agents and environmental or physiological stresses 6001 S000005412 ORF Verified YOL052C SPE2 15 233634 232444 C S-adenosylmethionine decarboxylase, required for the biosynthesis of spermidine and spermine; cells lacking Spe2p require spermine or spermidine for growth in the presence of oxygen but not when grown anaerobically 6003 S000005411 ORF Verified YOL051W GAL11 15 234938 238183 W Component of the Mediator complex; interacts with RNA polymerase II and the general transcription factors to form the RNA polymerase II holoenzyme; affects transcription by acting as target of activators and repressors 6005 S000005410 ORF Dubious YOL050C n.a. 15 238200 237880 C Hypothetical protein 6007 S000005409 ORF Verified YOL049W GSH2 15 238617 240092 W Glutathione synthetase, catalyzes the ATP-dependent synthesis of glutathione (GSH) from gamma-glutamylcysteine and glycine; induced by oxidative stress and heat shock 6009 S000005408 ORF Uncharacterized YOL048C n.a. 15 241308 240202 C Hypothetical protein 6012 S000036369 intron n.a. n.a. n.a. 15 241023 240946 C n.a. 6013 S000005407 ORF Uncharacterized YOL047C n.a. 15 242745 241612 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 6016 S000036271 intron n.a. n.a. n.a. 15 242502 242440 C n.a. 6017 S000005405 ORF Verified YOL045W PSK2 15 243495 246800 W One of two (see also PSK1) PAS domain containing S/T protein kinases; regulates sugar flux and translation in response to an unknown metabolite by phosphorylating Ugp1p and Gsy2p (sugar flux) and Caf20p, Tif11p and Sro9p (translation) 6019 S000005406 ORF Dubious YOL046C n.a. 15 244138 243464 C Hypothetical protein 6021 S000005404 ORF Verified YOL044W PEX15 15 247148 248299 W Phosphorylated tail-anchored type II integral peroxisomal membrane protein required for peroxisome biogenesis, cells lacking Pex15p mislocalize peroxisomal matrix proteins to cytosol, overexpression results in impaired peroxisome assembly 6023 S000005403 ORF Verified YOL043C NTG2 15 249532 248390 C DNA N-glycosylase and apurinic/apyrimidinic (AP) lyase involved in base excision repair, localizes to the nucleus 6025 S000005402 ORF Verified YOL042W NGL1 15 249823 250914 W Putative endonuclease, has a domain similar to a magnesium-dependent endonuclease motif in mRNA deadenylase Ccr4p 6027 S000005401 ORF Verified YOL041C NOP12 15 252644 251265 C Nucleolar protein, required for pre-25S rRNA processing; contains an RNA recognition motif (RRM) and has similarity to Nop13p, Nsr1p, and putative orthologs in Drosophila and S. pombe 6029 S000005400 ORF Verified YOL040C RPS15 15 253575 253147 C Protein component of the small (40S) ribosomal subunit; has similarity to E. coli S19 and rat S15 ribosomal proteins 6031 S000005399 ORF Verified YOL039W RPP2A 15 254295 254615 W Ribosomal protein P2 alpha, a component of the ribosomal stalk, which is involved in the interaction between translational elongation factors and the ribosome; regulates the accumulation of P1 (Rpp1Ap and Rpp1Bp) in the cytoplasm 6033 S000028812 ORF Uncharacterized YOL038C-A n.a. 15 255019 254924 C Identified by SAGE 6035 S000005398 ORF Verified YOL038W PRE6 15 255335 256099 W 20S proteasome alpha-type subunit 6037 S000005396 ORF Uncharacterized YOL036W n.a. 15 256743 259028 W Protein of unknown function; potential Cdc28p substrate 6039 S000005397 ORF Dubious YOL037C n.a. 15 257017 256664 C Hypothetical protein 6041 S000005395 ORF Dubious YOL035C n.a. 15 259103 258801 C Hypothetical protein 6043 S000006441 snoRNA n.a. snR50 SNR50 15 259489 259578 W guides 2'-O-methylation on large subunit rRNA at G865; small nucleolar RNA snR50 6045 S000005394 ORF Verified YOL034W SMC5 15 259923 263204 W Structural maintenance of chromosomes (SMC) protein, interacts with Smc6p and Nse1p to form a large complex; S. pombe homolog forms a heterodimer with S. pombe Rad18p that is involved in DNA repair 6047 S000005393 ORF Verified YOL033W MSE1 15 263475 265085 W Mitochondrial glutamyl-tRNA synthetase, encoded by a nuclear gene 6049 S000005392 ORF Uncharacterized YOL032W n.a. 15 265429 266169 W Hypothetical protein 6051 S000005391 ORF Verified YOL031C SIL1 15 267529 266264 C Nucleotide exchange factor for the endoplasmic reticulum (ER) lumenal Hsp70 chaperone Kar2p, required for protein translocation into the ER; homolog of Yarrowia lipolytica SLS1; GrpE-like protein 6053 S000005390 ORF Verified YOL030W GAS5 15 268187 269641 W Putative 1,3-beta-glucanosyltransferase, has similarity to Gas1p; localizes to the cell wall 6055 S000005389 ORF Uncharacterized YOL029C n.a. 15 270420 269815 C Hypothetical protein 6057 S000005388 ORF Verified YOL028C YAP7 15 271370 270633 C Putative basic leucine zipper (bZIP) transcription factor 6059 S000005387 ORF Verified YOL027C MDM38 15 273724 272003 C Mitochondrial inner membrane protein, required for mitochondrial potassium homeostasis and for normal mitochondrial morphology and inheritance; human ortholog is implicated in Wolf-Hirschhorn syndrome 6061 S000005386 ORF Verified YOL026C MIM1 15 274353 274012 C Mitochondrial outer membrane protein, required for assembly of the translocase of the outer membrane (TOM) complex and thereby for mitochondrial protein import; N terminus is exposed to the cytosol: transmembrane segment is highly conserved 6063 S000006733 tRNA n.a. tS(GCU)O n.a. 15 274673 274773 W tRNA-Ser 6064 S000037500 intron n.a. n.a. n.a. 15 274710 274728 W n.a. 6067 S000005385 ORF Verified YOL025W LAG2 15 274957 276939 W Protein involved in determination of longevity; LAG2 gene is preferentially expressed in young cells; overexpression extends the mean and maximum life span of cells 6069 S000005384 ORF Uncharacterized YOL024W n.a. 15 277086 277604 W Hypothetical protein 6071 S000005383 ORF Verified YOL023W IFM1 15 278056 280086 W Mitochondrial translation initiation factor 2 6073 S000005382 ORF Uncharacterized YOL022C n.a. 15 281498 280272 C Protein required for cell viability 6075 S000006587 tRNA n.a. tG(GCC)O2 SUF17 15 282164 282234 W tRNA-Gly 6077 S000005381 ORF Verified YOL021C DIS3 15 285426 282421 C Nucleolar exosome component, involved in rRNA processing and RNA degradation, binds Gsp1p/Ran and enhances the GEF activity of Srm1p, implicated in mitotic control, homologous to the E. coli RNase R of the RNase II family 6079 S000005380 ORF Verified YOL020W TAT2 15 286172 287950 W High affinity tryptophan and tyrosine permease, overexpression confers FK506 resistance 6081 S000006785 tRNA n.a. tY(GUA)O SUP3 15 288192 288280 W tRNA-Tyr 6082 S000034708 intron n.a. n.a. n.a. 15 288231 288244 W n.a. 6085 S000028707 ORF Uncharacterized YOL019W-A n.a. 15 288420 288572 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6087 S000005379 ORF Uncharacterized YOL019W n.a. 15 288898 290553 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery and vacuole 6089 S000005378 ORF Verified YOL018C TLG2 15 292074 290881 C Syntaxin-like t-SNARE that forms a complex with Tlg1p and Vti1p and mediates fusion of endosome-derived vesicles with the late Golgi; binds Vps45p, which prevents Tlg2p degradation and also facilitates t-SNARE complex formation 6091 S000005377 ORF Verified YOL017W ESC8 15 292529 294673 W Protein involved in telomeric and mating-type locus silencing, interacts with Sir2p and also interacts with the Gal11p, which is a component of the RNA pol II mediator complex 6093 S000005376 ORF Verified YOL016C CMK2 15 296120 294777 C Calmodulin-dependent protein kinase; may play a role in stress response, many CA++/calmodulan dependent phosphorylation substrates demonstrated in vitro, amino acid sequence similar to Cmk1p and mammalian Cam Kinase II 6095 S000005375 ORF Uncharacterized YOL015W n.a. 15 297078 298838 W Hypothetical protein 6097 S000005374 ORF Uncharacterized YOL014W n.a. 15 299693 300067 W Hypothetical protein 6099 S000007252 ORF Dubious YOL013W-B n.a. 15 300690 300980 W Similar to probable membrane protein YLR334C and ORF YOL106W 6102 S000028811 ORF Uncharacterized YOL013W-A n.a. 15 301047 301238 W Identified by SAGE 6104 S000006687 tRNA n.a. tP(UGG)O1 n.a. 15 301097 301198 W tRNA-Pro 6105 S000031042 intron n.a. n.a. n.a. 15 301133 301162 W n.a. 6108 S000005373 ORF Verified YOL013C HRD1 15 303035 301380 C Ubiquitin-protein ligase required for endoplasmic reticulum-associated degradation (ERAD) of misfolded proteins; genetically linked to the unfolded protein response (UPR); regulated through association with Hrd3p; contains an H2 ring finger 6110 S000005372 ORF Verified YOL012C HTZ1 15 303983 303579 C Histone variant H2AZ, exchanged for histone H2A in nucleosomes by the SWR1 complex; involved in transcriptional regulation through prevention of the spread of silent heterochromatin 6112 S000005371 ORF Verified YOL011W PLB3 15 305349 307409 W Phospholipase B (lysophospholipase) involved in phospholipid metabolism; hydrolyzes phosphatidylinositol and phosphatidylserine and displays transacylase activity in vitro 6114 S000005370 ORF Verified YOL010W RCL1 15 307938 309041 W RNA terminal phosphate cyclase-like protein involved in rRNA processing at sites A0, A1, and A2; does not possess detectable RNA cyclase activity 6116 S000005369 ORF Verified YOL009C MDM12 15 310139 309324 C Mitochondrial outer membrane protein, required for transmission of mitochondria to daughter cells; exists in a complex with Mmm1p and Mdm10p 6118 S000005368 ORF Uncharacterized YOL008W n.a. 15 310312 310935 W Hypothetical protein 6120 S000005367 ORF Uncharacterized YOL007C n.a. 15 312367 311342 C Appears to be a structural component of the chitin synthase 3 complex 6122 S000005366 ORF Verified YOL006C TOP1 15 315387 313078 C Topoisomerase I, nuclear enzyme that relieves torsional strain in DNA by cleaving and re-sealing the phosphodiester backbone; relaxes both positively and negatively supercoiled DNA; functions in replication, transcription, and recombination 6124 S000005365 ORF Verified YOL005C RPB11 15 316175 315813 C RNA polymerase II subunit B12.5; part of central core; similar to Rpc19p and bacterial alpha subunit 6126 S000005364 ORF Verified YOL004W SIN3 15 316938 321548 W DNA binding subunit of Sin3p-Rpd3p histone deacetylase complex, involved in transcriptional repression of meiosis-specific genes during vegetative growth and silencing 6128 S000005363 ORF Uncharacterized YOL003C n.a. 15 322994 321858 C DHHC-CRD protein 6130 S000005362 ORF Verified YOL002C IZH2 15 324364 323411 C Membrane protein involved in zinc metabolism, member of the four-protein IZH family, direct target of the Zap1p transcription factor, expression induced by zinc deficiency and fatty acids, deletion increases sensitivity to elevated zinc 6132 S000005361 ORF Verified YOL001W PHO80 15 325249 326130 W Cyclin, negatively regulates phosphate metabolism; Pho80p-Pho85p (cyclin-CDK complex) phosphorylates Pho4p and Swi5p; deletion of PHO80 leads to aminoglycoside supersensitivity; truncated form of PHO80 affects vacuole inheritance 6138 S000005527 ORF Verified YOR001W RRP6 15 326832 329033 W Exonuclease component of the nuclear exosome; contributes to the quality-control system that retains and degrades aberrant mRNAs in the nucleus 6140 S000005528 ORF Verified YOR002W ALG6 15 329417 331051 W Glucosyltransferase, involved in transfer of oligosaccharides from dolichyl pyrophosphate to asparagine residues of proteins during N-linked protein glycosylation; mutations in human ortholog are associated with disease 6142 S000005529 ORF Verified YOR003W YSP3 15 331455 332891 W Putative precursor to the subtilisin-like protease III 6144 S000005530 ORF Uncharacterized YOR004W n.a. 15 333592 334356 W Protein required for cell viability 6146 S000005531 ORF Verified YOR005C DNL4 15 337343 334509 C DNA ligase required for nonhomologous end-joining (NHEJ), forms stable heterodimer with required cofactor Lif1p, catalyzes DNA ligation as part of a complex with Lif1p and Nej1p; involved in meiosis, not essential for vegetative growth 6148 S000005532 ORF Uncharacterized YOR006C n.a. 15 338621 337680 C Hypothetical protein 6150 S000005533 ORF Verified YOR007C SGT2 15 339978 338938 C Glutamine-rich cytoplasmic protein of unknown function, contains tetratricopeptide (TPR) repeats, which often mediate protein-protein interactions; conserved in human and C. elegans 6152 S000006705 tRNA n.a. tR(ACG)O n.a. 15 340371 340299 C tRNA-Arg 6155 S000005534 ORF Verified YOR008C SLG1 15 342414 341278 C Sensor-transducer of the stress-activated PKC1-MPK1 kinase pathway involved in maintenance of cell wall integrity; involved in organization of the actin cytoskeleton; secretory pathway Wsc1p is required for the arrest of secretion response 6157 S000006431 ORF Uncharacterized YOR008C-A n.a. 15 343081 342857 C diepoxybutane and mitomycin C resistance 6159 S000007628 ORF Dubious YOR008W-B n.a. 15 343928 344029 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 6161 S000005535 ORF Verified YOR009W TIR4 15 344334 345797 W Cell wall mannoprotein of the Srp1p/Tip1p family of serine-alanine-rich proteins; expressed under anaerobic conditions and required for anaerobic growth; transcription is also induced by cold shock 6163 S000005536 ORF Verified YOR010C TIR2 15 346949 346194 C Putative cell wall mannoprotein of the Srp1p/Tip1p family of serine-alanine-rich proteins; transcription is induced by cold shock and anaerobiosis 6165 S000005537 ORF Verified YOR011W AUS1 15 349678 353862 W Transporter of the ATP-binding cassette family, involved in uptake of sterols and anaerobic growth 6167 S000006747 tRNA n.a. tT(AGU)O2 n.a. 15 354112 354040 C tRNA-Thr 6171 S000028581 ORF Uncharacterized YOR011W-A n.a. 15 355651 355857 W Identified by fungal homology and RT-PCR 6173 S000005538 ORF Uncharacterized YOR012W n.a. 15 356542 356955 W Hypothetical protein 6175 S000005539 ORF Dubious YOR013W n.a. 15 356750 357220 W Hypothetical protein 6177 S000005540 ORF Verified YOR014W RTS1 15 357673 359946 W B-type regulatory subunit of protein phosphatase 2A (PP2A); homolog of the mammalian B' subunit of PP2A 6179 S000005541 ORF Dubious YOR015W n.a. 15 359992 360351 W Hypothetical protein 6181 S000005542 ORF Verified YOR016C ERP4 15 361083 360460 C Protein with similarity to Emp24p and Erv25p, member of the p24 family involved in ER to Golgi transport 6183 S000005543 ORF Verified YOR017W PET127 15 361411 363813 W Protein with a role in mitochondrial RNA stability and/or processing, located in the mitochondrial membrane 6185 S000005544 ORF Verified YOR018W ROD1 15 364368 366881 W Membrane protein; overexpression confers resistance to the GST substrate o-dinitrobenzene as well as to zinc and calcium; contains 2 PY motifs, which are required for Rod1p interaction with Rsp5p, a hect-type ubiquitin ligase 6187 S000005545 ORF Uncharacterized YOR019W n.a. 15 368126 370318 W Hypothetical protein 6189 S000005546 ORF Verified YOR020C HSP10 15 370843 370523 C Mitochondrial matrix co-chaperonin that inhibits the ATPase activity of Hsp60p, a mitochondrial chaperonin; involved in protein folding and sorting in the mitochondria; 10 kD heat shock protein with similarity to E. coli groES 6191 S000028526 ORF Uncharacterized YOR020W-A n.a. 15 371684 371956 W Identified by homology to Ashbya gossypii 6193 S000005547 ORF Uncharacterized YOR021C n.a. 15 373438 372797 C Hypothetical protein 6195 S000005548 ORF Uncharacterized YOR022C n.a. 15 375856 373709 C Hypothetical protein 6197 S000005549 ORF Verified YOR023C AHC1 15 377711 376011 C Subunit of the Ada histone acetyltransferase complex, required for structural integrity of the complex 6199 S000005550 ORF Dubious YOR024W n.a. 15 377846 378169 W Hypothetical protein 6201 S000005551 ORF Verified YOR025W HST3 15 378218 379561 W Member of the Sir2 family of NAD(+)-dependent protein deacetylases; involved along with Hst4p in telomeric silencing, cell cycle progression, radiation resistance, genomic stability and short-chain fatty acid metabolism 6203 S000005552 ORF Verified YOR026W BUB3 15 379780 380805 W Kinetochore checkpoint WD40 repeat protein that localizes to kinetochores during prophase and metaphase, delays anaphase in the presence of unattached kinetochores; forms complexes with Mad1p-Bub1p and with Cdc20p, binds Mad2p and Mad3p 6205 S000005553 ORF Verified YOR027W STI1 15 381052 382821 W Hsp90 cochaperone, interacts with the Ssa group of the cytosolic Hsp70 chaperones; activates the ATPase activity of Ssa1p; homolog of mammalian Hop protein 6207 S000005554 ORF Verified YOR028C CIN5 15 384419 383532 C Basic leucine zipper transcriptional factor of the yAP-1 family that mediates pleiotropic drug resistance and salt tolerance; localizes constitutively to the nucleus 6209 S000005555 ORF Dubious YOR029W n.a. 15 384599 384934 W Hypothetical protein 6211 S000005556 ORF Verified YOR030W DFG16 15 386824 388683 W Probable multiple transmembrane protein, involved in invasive growth upon nitrogen starvation; required for accumulation of processed Rim101p 6213 S000005557 ORF Verified YOR031W CRS5 15 389212 389421 W Copper-binding metallothionein, required for wild-type copper resistance 6215 S000005558 ORF Verified YOR032C HMS1 15 391074 389770 C C2H2 zinc-finger protein with similarity to myc-family transcription factors; overexpression confers hyperfilamentous growth and suppresses the pseudohyphal filamentation defect of a diploid mep1 mep2 homozygous null mutant 6217 S000028710 ORF Uncharacterized YOR032W-A n.a. 15 392175 392375 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6219 S000005559 ORF Verified YOR033C EXO1 15 394523 392415 C 5'-3' exonuclease and flap-endonuclease involved in recombination, double-strand break repair and DNA mismatch repair; member of the Rad2p nuclease family, with conserved N and I nuclease domains 6221 S000005560 ORF Verified YOR034C AKR2 15 397085 394836 C Ankyrin repeat-containing protein of unknown function, similar to Akr1p; possibly involved in constitutive endocytosis of Ste3p 6223 S000028856 ORF Uncharacterized YOR034C-A n.a. 15 397667 397425 C Identified by expression profiling and mass spectrometry 6225 S000005561 ORF Verified YOR035C SHE4 15 400103 397734 C Protein containing a UCS (UNC-45/CRO1/SHE4) domain, binds to myosin motor domains to regulate myosin function; involved in endocytosis, polarization of the actin cytoskeleton, and asymmetric mRNA localization 6227 S000005562 ORF Verified YOR036W PEP12 15 400347 401213 W Target membrane receptor (t-SNARE) for vesicular intermediates traveling between the Golgi apparatus and the vacuole; controls entry of biosynthetic, endocytic, and retrograde traffic into the prevacuolar compartment; syntaxin 6229 S000005563 ORF Verified YOR037W CYC2 15 401554 402654 W Mitochondrial protein required for normal abundance of mitochondrial cytochrome c (Cyc1p) and for mitochondrial osmotic stability; may be involved in regulating the activity of cytochrome c heme lyase (Cyc3p); potential Cdc28p substrate 6231 S000005564 ORF Verified YOR038C HIR2 15 405387 402760 C Non-essential transcriptional corepressor involved in the cell cycle-regulated transcription of histone H2A, H2B, H3, and H4 genes; recruits Swi-Snf complexes to histone gene promoters; promotes heterochromatic gene silencing with Asf1p 6233 S000005565 ORF Verified YOR039W CKB2 15 405767 406543 W protein kinase CK2, beta' subunit 6235 S000005566 ORF Verified YOR040W GLO4 15 407063 407920 W Mitochondrial glyoxalase II, catalyzes the hydrolysis of S-D-lactoylglutathione into glutathione and D-lactate 6237 S000007292 snoRNA n.a. snR9 SNR9 15 408133 407947 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at position 2339 6239 S000005568 ORF Uncharacterized YOR042W CUE5 15 408424 409659 W Protein containing a CUE domain that binds ubiquitin, which may facilitate intramolecular monoubiquitination; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 6241 S000005567 ORF Dubious YOR041C n.a. 15 408788 408357 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 85% of ORF overlaps the uncharacterized gene CUE5; deletion in cyr1 mutant results in loss of stress resistance 6243 S000006453 snoRNA n.a. snR62 SNR62 15 409863 409764 C guides 2'-O-methylation on large subunit rRNA at U1886; small nucleolar RNA snR62 6245 S000005569 ORF Verified YOR043W WHI2 15 410869 412329 W Protein required, with binding partner Psr1p, for full activation of the general stress response, possibly through Msn2p dephosphorylation; regulates growth during the diauxic shift; negative regulator of G1 cyclin expression 6247 S000005570 ORF Uncharacterized YOR044W n.a. 15 413006 413479 W Hypothetical protein 6249 S000005571 ORF Verified YOR045W TOM6 15 413851 414036 W involved in supporting the cooperativity between receptors and the general insertion pore and facilitating the release of preproteins from import components; outer mitochondrial membrane protein, component of the mitochondiral protein translocation complex, associates with TOM40 6251 S000005572 ORF Verified YOR046C DBP5 15 415907 414459 C Cytoplasmic ATP-dependent RNA helicase of the DEAD-box family involved in mRNA export from the nucleus 6253 S000005573 ORF Verified YOR047C STD1 15 417681 416347 C Protein involved in control of glucose-regulated gene expression; interacts with protein kinase Snf1p, glucose sensors Snf3p and Rgt2p, and TATA-binding protein Spt15p; acts as a regulator of the transcription factor Rgt1p 6255 S000005574 ORF Verified YOR048C RAT1 15 421650 418630 C Nuclear 5' to 3' single-stranded RNA exonuclease, involved in RNA metabolism, including rRNA and snRNA processing as well as mRNA transcription termination 6257 S000005575 ORF Verified YOR049C RSB1 15 423732 422668 C Suppressor of sphingoid long chain base (LCB) sensitivity of an LCB-lyase mutation; putative integral membrane transporter or flippase that may transport LCBs from the cytoplasmic side toward the extracytoplasmic side of the membrane 6259 S000005576 ORF Dubious YOR050C n.a. 15 424618 424271 C Hypothetical protein 6261 S000005577 ORF Uncharacterized YOR051C n.a. 15 426085 424847 C Nuclear protein that inhibits replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 6263 S000005578 ORF Uncharacterized YOR052C n.a. 15 427225 426773 C Hypothetical protein 6265 S000005579 ORF Dubious YOR053W n.a. 15 427818 428159 W Hypothetical protein 6267 S000005581 ORF Dubious YOR055W n.a. 15 429479 429913 W Hypothetical protein 6269 S000005580 ORF Verified YOR054C VHS3 15 429858 427834 C Functionally redundant (see also SIS2) inhibitory subunit of Ppz1p, a PP1c-related ser/thr protein phosphatase Z isoform; synthetically lethal with sis2; putative phosphopantothenoylcysteine decarboxylase involved in coenzyme A biosynthesis 6271 S000005582 ORF Verified YOR056C NOB1 15 431627 430248 C Essential nuclear protein involved in proteasome maturation and synthesis of 40S ribosomal subunits; required for cleavage of the 20S pre-rRNA to generate the mature 18S rRNA 6273 S000005583 ORF Verified YOR057W SGT1 15 432187 433374 W Probable cochaperone, regulates activity of Cyr1p (adenylyl cyclase); involved in assembly of the kinetochore complex, associates with the SCF (Skp1p/Cdc53p/F box protein) ubiquitin ligase complex 6275 S000005584 ORF Verified YOR058C ASE1 15 436346 433689 C Member of a family of microtubule-associated proteins (MAPs) that function at the mitotic spindle midzone; required for spindle elongation; undergoes cell cycle-regulated degradation by anaphase promoting complex; potential Cdc28p substrate 6279 S000006634 tRNA n.a. tK(UUU)O n.a. 15 438644 438739 W tRNA-Lys 6280 S000034218 intron n.a. n.a. n.a. 15 438681 438703 W n.a. 6283 S000005585 ORF Uncharacterized YOR059C n.a. 15 440259 438907 C Hypothetical protein 6285 S000005586 ORF Uncharacterized YOR060C n.a. 15 441164 440391 C Protein required for cell viability 6287 S000005587 ORF Verified YOR061W CKA2 15 441535 442554 W may have a role in regulation and/or execution of the eukaryotic cell cycle; alpha' subunit of casein kinase II 6289 S000005588 ORF Uncharacterized YOR062C n.a. 15 443532 442726 C Protein of unknown function; similar to YKR075Cp and Reg1p; expression regulated by glucose and Rgt1p 6291 S000005589 ORF Verified YOR063W RPL3 15 444687 445850 W Protein component of the large (60S) ribosomal subunit, has similarity to E. coli L3 and rat L3 ribosomal proteins; involved in the replication and maintenance of killer double stranded RNA virus 6293 S000005590 ORF Verified YOR064C YNG1 15 446739 446080 C Subunit of the NuA3 histone acetyltransferase complex that acetylates histone H3; has similarity to the human tumor suppressor ING1 6295 S000005591 ORF Verified YOR065W CYT1 15 447440 448369 W Cytochrome c1, component of the mitochondrial respiratory chain; expression is regulated by the heme-activated, glucose-repressed Hap2p/3p/4p/5p CCAAT-binding complex 6297 S000005592 ORF Uncharacterized YOR066W n.a. 15 449437 451326 W Protein of unknown function; potential Cdc28p substrate 6299 S000005593 ORF Verified YOR067C ALG8 15 453463 451730 C Glucosyl transferase, involved in N-linked glycosylation; adds glucose to the dolichol-linked oligosaccharide precursor prior to transfer to protein during lipid-linked oligosaccharide biosynthesis; similar to Alg6p 6301 S000005595 ORF Verified YOR069W VPS5 15 453769 455796 W Nexin-1 homolog required for localizing membrane proteins from a prevacuolar/late endosomal compartment back to the late Golgi apparatus; structural component of the retromer membrane coat complex; forms a retromer subcomplex with Vps17p 6303 S000005594 ORF Verified YOR068C VAM10 15 454214 453870 C Protein involved in vacuole morphogenesis; acts at an early step of homotypic vacuole fusion that is required for vacuole tethering 6305 S000005596 ORF Verified YOR070C GYP1 15 457821 455908 C Cis-golgi GTPase-activating protein (GAP) for the Rab family members Ypt1p (in vivo) and for Ypt1p, Sec4p, Ypt7p, and Ypt51p (in vitro); involved in vesicle docking and fusion 6307 S000005597 ORF Uncharacterized YOR071C n.a. 15 461277 459481 C Hypothetical protein 6309 S000005598 ORF Dubious YOR072W n.a. 15 461503 461817 W Hypothetical protein 6311 S000028582 ORF Dubious YOR072W-A n.a. 15 461792 462040 W Identified by fungal homology and RT-PCR 6313 S000006688 tRNA n.a. tP(UGG)O2 SUF11 15 464451 464552 W tRNA-Pro 6314 S000031047 intron n.a. n.a. n.a. 15 464487 464516 W n.a. 6317 S000028516 ORF Uncharacterized YOR072W-B n.a. 15 464470 464631 W Identified by expression profiling and mass spectrometry 6319 S000005599 ORF Verified YOR073W SGO1 15 464772 466544 W Component of the spindle checkpoint, involved in sensing lack of tension on mitotic chromosomes; protects centromeric Rec8p at meiosis I; required for accurate chromosomal segregation at meiosis II and for mitotic chromosome stability 6321 S000028583 ORF Dubious YOR073W-A n.a. 15 467391 467624 W Identified by fungal homology and RT-PCR 6323 S000005600 ORF Verified YOR074C CDC21 15 467590 466676 C Thymidylate synthase, required for de novo biosynthesis of pyrimidine deoxyribonucleotides; expression is induced at G1/S 6326 S000034993 intron n.a. n.a. n.a. 15 467490 467356 C n.a. 6327 S000005601 ORF Verified YOR075W UFE1 15 468213 469253 W t-SNARE required for ER membrane fusion and vesicular traffic, integral membrane protein that constitutes with Sec20p and Use1p the trimeric acceptor for R/v-SNAREs on Golgi-derived vesicles at the ER; part of Dsl1p complex 6329 S000005602 ORF Verified YOR076C SKI7 15 471621 469378 C Antiviral adaptor protein that mediates interactions via its N-terminus between the exosome and Ski complex (Ski2p, Ski3p, Ski8p) which operate in the 3'-to-5' mRNA-decay pathway; cytoplasmic protein required for degrading nonstop mRNAs 6331 S000005603 ORF Verified YOR077W RTS2 15 471900 472598 W Basic zinc-finger protein, similar to human and mouse Kin17 proteins which are chromatin-associated proteins involved in UV response and DNA replication 6333 S000005604 ORF Verified YOR078W BUD21 15 472726 473370 W Component of small ribosomal subunit (SSU) processosome that contains U3 snoRNA; originally isolated as bud-site selection mutant that displays a random budding pattern 6335 S000005605 ORF Verified YOR079C ATX2 15 474417 473476 C Golgi membrane protein involved in manganese homeostasis; overproduction suppresses the sod1 (copper, zinc superoxide dismutase) null mutation 6337 S000005606 ORF Verified YOR080W DIA2 15 474553 476793 W Protein of unknown function, involved in invasive and pseudohyphal growth 6339 S000005607 ORF Uncharacterized YOR081C n.a. 15 479189 476940 C Protein of unknown function, localizes to lipid particles; potential Cdc28p substrate 6341 S000005609 ORF Verified YOR083W WHI5 15 479534 480421 W Protein that regulates the critical cell size required for passage through Start and commitment to cell division; may act upstream of SCB binding factor (SBF) and MCB binding factor (MBF); periodically expressed in G1 6343 S000005608 ORF Dubious YOR082C n.a. 15 479638 479297 C Hypothetical protein 6345 S000005610 ORF Verified YOR084W n.a. 15 480588 481751 W Putative lipase of the peroxisomal matrix; transcriptionally activated by Yrm1p along with genes involved in multidrug resistance 6347 S000005611 ORF Verified YOR085W OST3 15 482034 483086 W Gamma subunit of the oligosaccharyltransferase complex of the ER lumen, which catalyzes asparagine-linked glycosylation of newly synthesized proteins; Ost3p is important for N-glycosylation of a subset of proteins 6349 S000005612 ORF Verified YOR086C TCB1 15 486780 483220 C Contains three calcium and lipid binding domains; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery; C-terminal portion of Tcb1p, Tcb2p and Tcb3p interact 6351 S000006676 tRNA n.a. tN(GUU)O2 n.a. 15 487440 487513 W tRNA-Asn 6353 S000005613 ORF Verified YOR087W YVC1 15 487708 489735 W Vacuolar cation channel, mediates release of Ca(2+) from the vacuole in response to hyperosmotic shock 6355 S000005615 ORF Verified YOR089C VPS21 15 490829 490197 C GTPase required for transport during endocytosis and for correct sorting of vacuolar hydrolases; localized in endocytic intermediates; detected in mitochondria; geranylgeranylation required for membrane association; mammalian Rab5 homolog 6357 S000005616 ORF Verified YOR090C PTC5 15 492842 491124 C Mitochondrially localized type 2C protein phosphatase; contains Mg2+/Mn2+-dependent casein phosphatase activity in vitro but in vivo substrates are unknown 6359 S000005617 ORF Uncharacterized YOR091W n.a. 15 493265 494470 W Hypothetical protein 6361 S000005618 ORF Verified YOR092W ECM3 15 495127 496968 W Non-essential protein of unknown function 6363 S000005619 ORF Uncharacterized YOR093C n.a. 15 502452 497506 C Hypothetical protein 6365 S000005620 ORF Verified YOR094W ARF3 15 502795 503346 W Glucose-repressible ADP-ribosylation factor, GTPase of the Ras superfamily involved in development of polarity 6367 S000005621 ORF Verified YOR095C RKI1 15 504328 503552 C Ribose-5-phosphate ketol-isomerase, catalyzes the interconversion of ribose 5-phosphate and ribulose 5-phosphate in the pentose phosphate pathway 6369 S000005622 ORF Verified YOR096W RPS7A 15 505794 506767 W Protein component of the small (40S) ribosomal subunit, nearly identical to Rps7Bp; interacts with Kti11p; deletion causes hypersensitivity to zymocin; has similarity to rat S7 and Xenopus S8 ribosomal proteins 6372 S000034379 intron n.a. n.a. n.a. 15 505938 506338 W n.a. 6373 S000005623 ORF Uncharacterized YOR097C n.a. 15 507505 506978 C Hypothetical protein 6375 S000005624 ORF Verified YOR098C NUP1 15 511178 507948 C Nuclear pore complex (NPC) subunit, involved in protein import/export and in export of RNAs, possible karyopherin release factor that accelerates release of karyopherin-cargo complexes after transport across NPC; potential Cdc28p substrate 6377 S000005625 ORF Verified YOR099W KTR1 15 511825 513006 W Alpha-1,2-mannosyltransferase involved in O- and N-linked protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family 6379 S000005626 ORF Verified YOR100C CRC1 15 514278 513295 C Mitochondrial inner membrane carnitine transporter, required for carnitine-dependent transport of acetyl-CoA from peroxisomes to mitochondria during fatty acid beta-oxidation 6381 S000005627 ORF Verified YOR101W RAS1 15 515244 516173 W GTPase involved in G-protein signaling in the adenylate cyclase activating pathway, plays a role in cell proliferation; localized to the plasma membrane; homolog of mammalian RAS proto-oncogenes 6383 S000005628 ORF Dubious YOR102W n.a. 15 516423 516773 W Protein required for cell viability 6385 S000005629 ORF Verified YOR103C OST2 15 516841 516449 C Epsilon subunit of the oligosaccharyltransferase complex of the ER lumen, which catalyzes asparagine-linked glycosylation of newly synthesized proteins 6387 S000005630 ORF Verified YOR104W PIN2 15 517642 518490 W Protein that induces appearance of [PIN+] prion when overproduced 6389 S000005631 ORF Dubious YOR105W n.a. 15 518195 518521 W Hypothetical protein 6391 S000005632 ORF Verified YOR106W VAM3 15 519121 519972 W Syntaxin-related protein required for vacuolar assembly; functions with Vam7p in vacuolar protein trafficking; member of the syntaxin family of proteins 6393 S000005633 ORF Verified YOR107W RGS2 15 521353 522282 W Negative regulator of glucose-induced cAMP signaling; directly activates the GTPase activity of the heterotrimeric G protein alpha subunit Gpa2p 6395 S000005634 ORF Verified YOR108W LEU9 15 523027 524841 W Alpha-isopropylmalate synthase II (2-isopropylmalate synthase), catalyzes the first step in the leucine biosynthesis pathway; the minor isozyme, responsible for the residual alpha-IPMS activity detected in a leu4 null mutant 6397 S000028711 ORF Dubious YOR108C-A n.a. 15 524814 524605 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6399 S000005635 ORF Verified YOR109W INP53 15 525278 528601 W Phosphatidylinositol 4,5-bisphosphate 5-phosphatase, synaptojanin-like protein with an N-terminal Sac1 domain, plays a role in a TGN (trans Golgi network)-to-early endosome pathway; hyperosmotic stress causes translocation to actin patches 6401 S000005636 ORF Verified YOR110W TFC7 15 528941 530248 W One of six subunits of the RNA polymerase III transcription initiation factor complex (TFIIIC); part of the TauA globular domain of TFIIIC that binds DNA at the BoxA promoter sites of tRNA and similar genes 6403 S000005637 ORF Uncharacterized YOR111W n.a. 15 530429 531127 W Hypothetical protein 6405 S000005638 ORF Uncharacterized YOR112W n.a. 15 531508 533793 W Hypothetical protein 6407 S000005639 ORF Verified YOR113W AZF1 15 534075 536819 W Zinc-finger transcription factor, involved in induction of CLN3 transcription in response to glucose; genetic and physical interactions indicate a possible role in mitochondrial transcription or genome maintenance 6409 S000005640 ORF Uncharacterized YOR114W n.a. 15 537570 538454 W Hypothetical protein 6411 S000005641 ORF Verified YOR115C TRS33 15 539465 538659 C One of 10 subunits of the transport protein particle (TRAPP) complex of the cis-Golgi which mediates vesicle docking and fusion; involved in endoplasmic reticulum (ER) to Golgi membrane traffic 6413 S000005642 ORF Verified YOR116C RPO31 15 544145 539763 C RNA polymerase III subunit C160, part of core enzyme; similar to bacterial beta-prime subunit 6415 S000005643 ORF Verified YOR117W RPT5 15 545029 546333 W One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; recruited to the GAL1-10 promoter region upon induction of transcription 6417 S000005644 ORF Uncharacterized YOR118W n.a. 15 546857 548560 W Hypothetical protein 6419 S000005645 ORF Verified YOR119C RIO1 15 550246 548792 C Essential serine kinase involved in cell cycle progression and processing of the 20S pre-rRNA into mature 18S rRNA 6421 S000005646 ORF Verified YOR120W GCY1 15 551114 552052 W Putative NADP(+) coupled glycerol dehydrogenase, proposed to be involved in an alternative pathway for glycerol catabolism 6423 S000005647 ORF Dubious YOR121C n.a. 15 552103 551798 C Hypothetical protein 6425 S000005648 ORF Verified YOR122C PFY1 15 552887 552298 C Profilin, actin- and phosphatidylinositol 4,5-bisphosphate-binding protein, plays a role in cytoskeleton organization, required for normal timing of actin polymerization in response to thermal stress; localizes to plasma membrane and cytosol 6428 S000033160 intron n.a. n.a. n.a. 15 552874 552666 C n.a. 6429 S000005649 ORF Verified YOR123C LEO1 15 554570 553176 C Component of the Paf1 complex, which associates with RNA polymerase II and is involved in histone methylation 6431 S000005650 ORF Verified YOR124C UBP2 15 558642 554824 C Ubiquitin-specific protease that removes ubiquitin from ubiquitinated proteins, cleaves at the C terminus of ubiquitin fusions; capable of cleaving polyubiquitin and possesses isopeptidase activity 6433 S000005651 ORF Verified YOR125C CAT5 15 559731 559030 C Mitochondrial inner membrane protein directly involved in ubiquinone biosynthesis, essential for several other metabolic pathways including respiration and gluconeogenic gene activation 6435 S000005652 ORF Verified YOR126C IAH1 15 560677 559961 C Isoamyl acetate-hydrolyzing esterase, required in balance with alcohol acetyltransferase to maintain optimal amounts of isoamyl acetate, which is particularly important in sake brewing 6437 S000005653 ORF Verified YOR127W RGA1 15 561170 564193 W GTPase-activating protein for the polarity-establishment protein Cdc42p; implicated in control of septin organization, pheromone response, and haploid invasive growth 6439 S000005654 ORF Verified YOR128C ADE2 15 566191 564476 C Phosphoribosylaminoimidazole carboxylase, catalyzes a step in the 'de novo' purine nucleotide biosynthetic pathway; red pigment accumulates in mutant cells deprived of adenine 6441 S000005655 ORF Verified YOR129C n.a. 15 569558 566877 C Putative component of the outer plaque of the spindle pole body; may be involved in cation homeostasis or multidrug resistance 6443 S000005656 ORF Verified YOR130C ORT1 15 570807 569929 C Ornithine transporter of the mitochondrial inner membrane, exports ornithine from mitochondria as part of arginine biosynthesis; human ortholog is associated with hyperammonaemia-hyperornithinaemia-homocitrullinuria (HHH) syndrome 6445 S000006545 tRNA n.a. tD(GUC)O n.a. 15 571958 572029 W tRNA-Asp 6447 S000005657 ORF Uncharacterized YOR131C n.a. 15 572838 572182 C Hypothetical protein 6449 S000005658 ORF Verified YOR132W VPS17 15 573175 574830 W Subunit of the membrane-associated retromer complex essential for endosome-to-Golgi retrograde protein transport; peripheral membrane protein that assembles onto the membrane with Vps5p to promote vesicle formation 6451 S000005659 ORF Verified YOR133W EFT1 15 575098 577626 W Elongation factor 2 (EF-2), also encoded by EFT2; catalyzes ribosomal translocation during protein synthesis; contains diphthamide, the unique posttranslationally modified histidine residue specifically ADP-ribosylated by diphtheria toxin 6453 S000005660 ORF Verified YOR134W BAG7 15 578564 579793 W Rho GTPase activating protein (RhoGAP), stimulates the intrinsic GTPase activity of Rho1p, which plays a role in actin cytoskeleton organization and control of cell wall synthesis; structurally and functionally related to Sac7p 6455 S000005662 ORF Verified YOR136W IDH2 15 580250 581359 W Subunit of mitochondrial NAD(+)-dependent isocitrate dehydrogenase, which catalyzes the oxidation of isocitrate to alpha-ketoglutarate in the TCA cycle 6457 S000005661 ORF Dubious YOR135C n.a. 15 580500 580159 C Hypothetical protein 6459 S000005663 ORF Verified YOR137C SIA1 15 583681 581813 C Protein of unassigned function involved in activation of the Pma1p plasma membrane H+-ATPase by glucose 6461 S000005664 ORF Uncharacterized YOR138C n.a. 15 586324 584309 C Hypothetical protein 6463 S000005666 ORF Verified YOR140W SFL1 15 586981 589281 W Transcription repressor involved in regulation of flocculation-related genes, inhibits transcription by recruiting general corepressor Cyc8p-Tup1p to different promoters; negatively regulated by cAMP-dependent protein kinase A subunit Tpk2p 6465 S000005665 ORF Dubious YOR139C n.a. 15 587342 586950 C Hypothetical protein 6467 S000005667 ORF Verified YOR141C ARP8 15 592587 589942 C Nuclear actin-related protein involved in chromatin remodeling, component of chromatin-remodeling enzyme complexes 6469 S000005668 ORF Verified YOR142W LSC1 15 593057 594046 W Alpha subunit of succinyl-CoA ligase, which is a mitochondrial enzyme of the TCA cycle that catalyzes the nucleotide-dependent conversion of succinyl-CoA to succinate 6471 S000006573 tRNA n.a. tG(CCC)O SUF5 15 594425 594354 C tRNA-Gly 6484 S000005669 ORF Verified YOR143C THI80 15 602342 601383 C Thiamine pyrophosphokinase, phosphorylates thiamine to produce the coenzyme thiamine pyrophosphate (thiamine diphosphate) 6486 S000005670 ORF Verified YOR144C ELG1 15 605092 602717 C Protein required for S phase progression and telomere homeostasis, forms an alternative replication factor C complex important for DNA replication and genome integrity; mutants are sensitive to DNA damage 6488 S000005672 ORF Dubious YOR146W n.a. 15 605873 606178 W Protein required for cell viability 6490 S000005671 ORF Verified YOR145C PNO1 15 606171 605347 C Essential nucleolar protein required for pre-18S rRNA processing, interacts with Dim1p, an 18S rRNA dimethyltransferase, and also with Nob1p, which is involved in proteasome biogenesis; contains a KH domain 6492 S000005673 ORF Verified YOR147W MDM32 15 606514 608475 W Mitochondrial inner membrane protein with similarity to Mdm31p, required for normal mitochondrial morphology and inheritance; interacts genetically with MMM1, MDM10, MDM12, and MDM34 6494 S000005674 ORF Verified YOR148C SPP2 15 609197 608640 C Essential protein that promotes the first step of splicing and is required for the final stages of spliceosome maturation; interacts with Prp2p, which may release Spp2p from the spliceosome following the first cleavage reaction 6496 S000005675 ORF Verified YOR149C SMP3 15 611388 609838 C Alpha 1,2-mannosyltransferase involved in glycosyl phosphatidyl inositol (GPI) biosynthesis; required for addition of the fourth, side branching mannose to the GPI core structure 6498 S000005676 ORF Verified YOR150W MRPL23 15 611999 612490 W Mitochondrial ribosomal protein of the large subunit 6500 S000005677 ORF Verified YOR151C RPB2 15 616671 612997 C RNA polymerase II second largest subunit B150, part of central core; similar to bacterial beta subunit 6502 S000005678 ORF Uncharacterized YOR152C n.a. 15 618288 617518 C Hypothetical protein 6504 S000005679 ORF Verified YOR153W PDR5 15 619840 624375 W Short-lived membrane ABC (ATP-binding cassette) transporter, actively exports various drugs, expression regulated by Pdr1p; also involved in steroid transport, cation resistance, and cellular detoxification during exponential growth 6506 S000005680 ORF Uncharacterized YOR154W n.a. 15 624729 626492 W Hypothetical protein 6508 S000005681 ORF Verified YOR155C ISN1 15 627980 626628 C Inosine 5'-monophosphate (IMP)-specific 5'-nucleotidase, catalyzes the breakdown of IMP to inosine, does not show similarity to known 5'-nucleotidases from other organisms 6510 S000005682 ORF Verified YOR156C NFI1 15 630540 628360 C SUMO ligase, catalyzes the covalent attachment of SUMO (Smt3p) to proteins 6512 S000005683 ORF Verified YOR157C PUP1 15 631751 630966 C Endopeptidase with trypsin-like activity that cleaves after basic residues; beta-type subunit of 20S proteasome synthesized as a proprotein before being proteolytically processed for assembly into 20S particle; human homolog is subunit Z 6514 S000005684 ORF Verified YOR158W PET123 15 632164 633120 W Mitochondrial ribosomal protein of the small subunit; PET123 exhibits genetic interactions with PET122, which encodes a COX3 mRNA-specific translational activator 6516 S000005685 ORF Verified YOR159C SME1 15 633566 633282 C Required for pre-mRNA splicing, cap modification and U1, U2, U4 and U5 snRNA stability; homologue of human E core protein 6518 S000005686 ORF Verified YOR160W MTR10 15 633839 636757 W Nuclear import receptor, mediates the nuclear localization of proteins involved in mRNA-nucleus export 6520 S000028713 ORF Dubious YOR161W-A n.a. 15 637574 637654 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6522 S000028714 ORF Dubious YOR161W-B n.a. 15 637975 638235 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6524 S000005687 ORF Verified YOR161C PNS1 15 638558 636939 C Protein of unknown function; has similarity to Torpedo californica tCTL1p, which is postulated to be a choline transporter, neither null mutation nor overexpression affects choline transport 6526 S000028712 ORF Uncharacterized YOR161C-C n.a. 15 639267 639121 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6528 S000005688 ORF Verified YOR162C YRR1 15 641992 639560 C Zn2-Cys6 zinc-finger transcription factor that activates genes involved in multidrug resistance; paralog of Yrm1p, acting on an overlapping set of target genes 6530 S000005689 ORF Verified YOR163W DDP1 15 642741 643307 W Diadenosine polyphosphate hydrolase, member of the MutT family of nucleotide hydrolases with high specificity for diadenosine hexa- and pentaphosphates, required for efficient hydrolysis of diphosphorylated inositol polyphosphates 6532 S000005690 ORF Uncharacterized YOR164C n.a. 15 644332 643394 C Hypothetical protein 6534 S000005691 ORF Verified YOR165W SEY1 15 644566 646896 W Protein of unknown function, contains two predicted GTP-binding motifs Gn.a.XGKS and DXXG near the N-terminus, homolog of the Arabidopsis gene RHD3 (Root Hair Defective) 6536 S000005692 ORF Uncharacterized YOR166C n.a. 15 648502 647126 C Hypothetical protein 6538 S000005693 ORF Verified YOR167C RPS28A 15 649007 648804 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps28Ap and has similarity to rat S28 ribosomal protein 6540 S000005694 ORF Verified YOR168W GLN4 15 649303 651732 W Glutamine tRNA synthetase, monomeric class I tRNA synthetase that catalyzes the specific glutaminylation of tRNA(Glu); N-terminal domain proposed to be involved in enzyme-tRNA interactions 6542 S000005695 ORF Dubious YOR169C n.a. 15 651840 651376 C Protein required for cell viability 6544 S000005696 ORF Dubious YOR170W n.a. 15 651858 652163 W Hypothetical protein 6546 S000005697 ORF Verified YOR171C LCB4 15 653884 652010 C Sphingoid long-chain base kinase, responsible for synthesis of long-chain base phosphates, which function as signaling molecules, regulates synthesis of ceramide from exogenous long-chain bases, localizes to the Golgi and late endosomes 6548 S000005698 ORF Verified YOR172W YRM1 15 654210 656570 W Zn2-Cys6 zinc-finger transcription factor that activates genes involved in multidrug resistance; paralog of Yrr1p, acting on an overlapping set of target genes 6550 S000005699 ORF Verified YOR173W DCS2 15 657132 658325 W Non-essential protein containing a HIT (histidine triad) motif; regulated by Msn2p, Msn4p, and the Ras-cAMP-cAPK signaling pathway, transcript accumulates under glucose limitation, similar to Dcs1p 6552 S000005700 ORF Verified YOR174W MED4 15 658747 659601 W Member of RNA Polymerase II transcriptional regulation mediator; Stoichiometric member of mediator complex 6554 S000005701 ORF Uncharacterized YOR175C n.a. 15 661674 659815 C Member of the MBOAT family of putative membrane-bound O-acyltransferases 6556 S000005702 ORF Verified YOR176W HEM15 15 662401 663582 W Ferrochelatase, a mitochondrial inner membrane protein, catalyzes the insertion of ferrous iron into protoporphyrin IX, the eighth and final step in the heme biosynthetic pathway; Yfh1p mediates the use of iron by Hem15p 6558 S000006766 tRNA n.a. tV(AAC)O n.a. 15 663885 663812 C tRNA-Val 6563 S000005703 ORF Verified YOR177C MPC54 15 667179 665785 C Component of the meiotic outer plaque, a membrane-organizing center which is assembled on the cytoplasmic face of the spindle pole body during meiosis II and triggers the formation of the prospore membrane; potential Cdc28p substrate 6565 S000005704 ORF Verified YOR178C GAC1 15 670241 667860 C Regulatory subunit for Glc7p (protein phosphatase I) for glycogen synthesis; regulatory role also predicted for glucose repression and ion homeostasis; potential Cdc28p substrate 6567 S000005705 ORF Verified YOR179C SYC1 15 672411 671845 C Subunit of the APT subcomplex of cleavage and polyadenylation factor, may have a role in 3' end formation of both polyadenylated and non-polyadenylated RNAs 6569 S000005706 ORF Verified YOR180C DCI1 15 675167 674352 C Peroxisomal delta(3,5)-delta(2,4)-dienoyl-CoA isomerase, involved in fatty acid metabolism, contains peroxisome targeting signals at amino and carboxy termini 6571 S000005707 ORF Verified YOR181W LAS17 15 675939 677840 W Actin assembly factor, activates the Arp2/3 protein complex that nucleates branched actin filaments; localizes with the Arp2/3 complex to actin patches; homolog of the human Wiskott-Aldrich syndrome protein (WASP) 6573 S000005708 ORF Verified YOR182C RPS30B 15 678793 678191 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps30Ap and has similarity to rat S30 ribosomal protein 6576 S000030005 intron n.a. n.a. n.a. 15 678790 678380 C n.a. 6577 S000005709 ORF Uncharacterized YOR183W FYV12 15 678872 679261 W Protein of unknown function, required for survival upon exposure to K1 killer toxin 6579 S000005710 ORF Verified YOR184W SER1 15 679357 680544 W 3-phosphoserine aminotransferase, catalyzes the formation of phosphoserine from 3-phosphohydroxypyruvate, required for serine and glycine biosynthesis; regulated by the general control of amino acid biosynthesis mediated by Gcn4p 6581 S000007300 snoRNA n.a. snR36 SNR36 15 680996 680642 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of small subunit rRNA at position 1185 6583 S000005711 ORF Verified YOR185C GSP2 15 682106 681444 C GTP binding protein (mammalian Ranp homolog) involved in the maintenance of nuclear organization, RNA processing and transport; interacts with Kap121p, Kap123p and Pdr6p (karyophilin betas); Gsp1p homolog that is not required for viability 6585 S000005712 ORF Uncharacterized YOR186W n.a. 15 683111 683545 W Hypothetical protein 6587 S000028715 ORF Dubious YOR186C-A n.a. 15 683538 683329 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6589 S000005713 ORF Verified YOR187W TUF1 15 684030 685343 W Mitochondrial translation elongation factor Tu; comprises both GTPase and guanine nucleotide exchange factor activities, while these activities are found in separate proteins in S. pombe and humans 6591 S000005714 ORF Verified YOR188W MSB1 15 685767 689180 W Protein involved in positive regulation of both 1,3-beta-glucan synthesis and the Pkc1p-MAPK pathway, potential Cdc28p substrate; multicopy suppressor of temperature-sensitive mutations in CDC24 and CDC42, and of mutations in BEM4 6593 S000005715 ORF Verified YOR189W IES4 15 689624 689974 W Protein that associates with the INO80 chromatin remodeling complex under low-salt conditions 6595 S000005716 ORF Verified YOR190W SPR1 15 690695 692032 W Sporulation regulated genes; sporulation-specific exo-1,3-beta-glucanase 6597 S000005717 ORF Verified YOR191W RIS1 15 692475 697334 W Member of the SWI/SNF family of DNA-dependent ATPases, plays a role in antagonizing silencing during mating-type switching, contains an N-terminal domain that interacts with Sir4p and a C-terminal SNF2 domain 6599 S000005718 ORF Uncharacterized YOR192C n.a. 15 700567 698768 C Hypothetical protein 6604 S000028857 ORF Uncharacterized YOR192C-C n.a. 15 704224 703988 C Identified by expression profiling and mass spectrometry 6616 S000006665 tRNA n.a. tM(CAU)O1 IMT1 15 710201 710272 W Initiator methionine tRNA, tRNA(IMet), one of four initiator methionine tRNA genes in yeast that are functional for translation 6618 S000005719 ORF Verified YOR193W PEX27 15 710446 711576 W Peripheral peroxisomal membrane protein involved in controlling peroxisome size and number, interacts with homologous protein Pex25p 6620 S000005720 ORF Verified YOR194C TOA1 15 712543 711683 C Transcription factor IIA, large chain 6622 S000005721 ORF Verified YOR195W SLK19 15 712866 715331 W Kinetochore-associated protein required for normal segregation of chromosomes in meiosis and mitosis; component of the FEAR regulatory network, which promotes Cdc14p release from the nucleolus during anaphase; potential Cdc28p substrate 6624 S000005722 ORF Verified YOR196C LIP5 15 716837 715593 C Protein involved in biosynthesis of the coenzyme lipoic acid, has similarity to E. coli lipoic acid synthase 6626 S000005723 ORF Verified YOR197W MCA1 15 717023 718384 W Putative cysteine protease similar to mammalian caspases, involved in regulation of apoptosis upon hydrogen peroxide treatment 6628 S000005724 ORF Verified YOR198C BFR1 15 720065 718653 C Component of mRNP complexes associated with polyribosomes; implicated in secretion and nuclear segregation; multicopy suppressor of BFA (Brefeldin A) sensitivity 6630 S000005725 ORF Dubious YOR199W n.a. 15 720181 720510 W Hypothetical protein 6632 S000005726 ORF Dubious YOR200W n.a. 15 720417 720815 W Hypothetical protein 6634 S000005727 ORF Verified YOR201C n.a. 15 721708 720470 C Ribose methyltransferase that modifies a functionally critical, conserved nucleotide in mitochondrial 21S rRNA 6636 S000005728 ORF Verified YOR202W HIS3 15 721946 722608 W Imidazoleglycerol-phosphate dehydratase, catalyzes the sixth step in histidine biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts; transcription is regulated by general amino acid control via Gcn4p 6638 S000005729 ORF Dubious YOR203W n.a. 15 722565 722918 W Protein required for cell viability 6640 S000005730 ORF Verified YOR204W DED1 15 722911 724725 W ATP-dependent DEAD (Asp-Glu-Ala-Asp)-box RNA helicase, required for translation initiation of all yeast mRNAs; mutations in human DEAD-box DBY are a frequent cause of male infertility 6642 S000005731 ORF Uncharacterized YOR205C n.a. 15 727234 725564 C The authentic, non-tagged protein was localized to the mitochondria 6644 S000005732 ORF Verified YOR206W NOC2 15 727512 729644 W Protein that forms a nucleolar complex with Mak21p that binds to 90S and 66S pre-ribosomes, as well as a nuclear complex with Noc3p that binds to 66S pre-ribosomes; both complexes mediate intranuclear transport of ribosomal precursors 6646 S000005733 ORF Verified YOR207C RET1 15 733457 730008 C Second-largest subunit of RNA polymerase III, which is responsible for the transcription of tRNA and 5S RNA genes, and other low molecular weight RNAs 6648 S000005734 ORF Verified YOR208W PTP2 15 733925 736177 W Phosphotyrosine-specific protein phosphatase involved in the inactivation of mitogen-activated protein kinase (MAPK) during osmolarity sensing; dephosporylates Hog1p MAPK and regulates its localization; localized to the nucleus 6650 S000005735 ORF Verified YOR209C NPT1 15 737726 736437 C Nicotinate phosphoribosyltransferase, acts in the salvage pathway of NAD+ biosynthesis; required for silencing at rDNA and telomeres and has a role in silencing at mating-type loci; localized to the nucleus 6652 S000005736 ORF Verified YOR210W RPB10 15 738320 738532 W RNA polymerase subunit ABC10-beta, common to RNA polymerases I, II, and III 6654 S000005737 ORF Verified YOR211C MGM1 15 741632 738924 C Mitochondrial GTPase related to dynamin, present in a complex containing Ugo1p and Fzo1p; required for normal morphology of cristae and for stability of Tim11p; homolog of human OPA1 involved in autosomal dominant optic atrophy 6656 S000005738 ORF Verified YOR212W STE4 15 742910 744181 W G protein beta subunit, forms a dimer with Ste18p to activate the mating signaling pathway, forms a heterotrimer with Gpa1p and Ste18p to dampen signaling; may recruit Rho1p to the polarized growth site during mating; contains WD40 repeats 6658 S000005739 ORF Verified YOR213C SAS5 15 745281 744535 C Subunit of the SAS complex (Sas2p, Sas4p, Sas5p), which acetylates free histones and nucleosomes and regulates transcriptional silencing; stimulates Sas2p HAT activity 6660 S000005740 ORF Uncharacterized YOR214C n.a. 15 746303 745593 C Hypothetical protein 6662 S000005741 ORF Uncharacterized YOR215C n.a. 15 747282 746725 C Hypothetical protein 6664 S000005742 ORF Verified YOR216C RUD3 15 748979 747525 C Golgi matrix protein involved in the structural organization of the cis-Golgi; interacts genetically with COG3 and USO1 6666 S000005743 ORF Verified YOR217W RFC1 15 749301 751886 W Subunit of heteropentameric Replication factor C (RF-C), which is a DNA binding protein and ATPase that acts as a clamp loader of the proliferating cell nuclear antigen (PCNA) processivity factor for DNA polymerases delta and epsilon 6668 S000005744 ORF Dubious YOR218C n.a. 15 751895 751476 C Protein required for cell viability 6670 S000005745 ORF Verified YOR219C STE13 15 755009 752214 C Dipeptidyl aminopeptidase, Golgi integral membrane protein that cleaves on the carboxyl side of repeating -X-Ala- sequences, required for maturation of alpha factor, transcription is induced by a-factor 6672 S000005746 ORF Uncharacterized YOR220W n.a. 15 755328 756125 W Hypothetical protein 6674 S000005747 ORF Verified YOR221C MCT1 15 757831 756476 C Predicted malonyl-CoA:ACP transferase, putative component of a type-II mitochondrial fatty acid synthase that produces intermediates for phospholipid remodeling 6677 S000034463 intron n.a. n.a. n.a. 15 757737 757537 C n.a. 6678 S000005748 ORF Verified YOR222W ODC2 15 758330 759253 W Mitochondrial inner membrane transporter, exports 2-oxoadipate and 2-oxoglutarate from the mitochondrial matrix to the cytosol for use in lysine and glutamate biosynthesis and in lysine catabolism 6680 S000007299 snoRNA n.a. snR35 SNR35 15 759729 759190 C H/ACA small nucleolar RNA (snoRNA); predicted to guide pseudouridylation of small subunit rRNA at position 1189 6682 S000005749 ORF Uncharacterized YOR223W n.a. 15 759782 760660 W Hypothetical protein 6684 S000005750 ORF Verified YOR224C RPB8 15 761265 760825 C RNA polymerase subunit ABC14.5, common to RNA polymerases I, II, and III 6686 S000005751 ORF Dubious YOR225W n.a. 15 761392 761721 W Hypothetical protein 6688 S000005752 ORF Verified YOR226C ISU2 15 762084 761614 C Conserved protein of the mitochondrial matrix, required for synthesis of mitochondrial and cytosolic iron-sulfur proteins, performs a scaffolding function in mitochondria during Fe/S cluster assembly; isu1 isu2 double mutant is inviable 6690 S000005753 ORF Uncharacterized YOR227W n.a. 15 762825 766565 W Hypothetical protein 6692 S000005754 ORF Uncharacterized YOR228C n.a. 15 767777 766869 C Hypothetical protein 6694 S000005755 ORF Verified YOR229W WTM2 15 768409 769812 W Transcriptional repressor involved in regulation of meiosis and silencing; contains WD repeats 6696 S000005756 ORF Verified YOR230W WTM1 15 770800 772113 W Transcriptional repressor involved in regulation of meiosis and silencing; contains WD repeats 6698 S000005757 ORF Verified YOR231W MKK1 15 772601 774127 W Mitogen-activated kinase kinase involved in protein kinase C signaling pathway that controls cell integrity; upon activation by Bck1p phosphorylates downstream target, Slt2p; functionally redundant with Mkk2p 6700 S000028716 ORF Dubious YOR231C-A n.a. 15 773363 773163 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6702 S000005758 ORF Verified YOR232W MGE1 15 774573 775259 W Protein of the mitochondrial matrix involved in protein import into mitochondria; acts as a cochaperone and a nucleotide release factor for Ssc1p; homolog of E. coli GrpE 6704 S000005759 ORF Verified YOR233W KIN4 15 775846 778248 W Nonessential protein kinase with unknown cellular role 6706 S000005760 ORF Verified YOR234C RPL33B 15 779405 778555 C Ribosomal protein L37 of the large (60S) ribosomal subunit, nearly identical to Rpl33Ap and has similarity to rat L35a; rpl33b null mutant exhibits normal growth while rpl33a rpl33b double null mutant is inviable 6709 S000030772 intron n.a. n.a. n.a. 15 779386 778860 C n.a. 6710 S000005761 ORF Dubious YOR235W n.a. 15 779870 780184 W Hypothetical protein 6712 S000007294 snoRNA n.a. snR17a SNR17A 15 780107 780596 W encodes snoRNA U3, SNR17B also encodes snoRNA U3; part of small (ribosomal) subunit (SSU) processosome (contains U3 snoRNA); encodes snoRNA U3, SNR17B also encodes snoRNA U3 6713 S000030175 intron n.a. n.a. n.a. 15 780121 780277 W n.a. 6716 S000005762 ORF Verified YOR236W DFR1 15 780906 781541 W Dihydrofolate reductase, part of the dTTP biosynthetic pathway, involved in folate metabolism, possibly required for mitochondrial function 6718 S000005763 ORF Verified YOR237W HES1 15 781994 783298 W Protein implicated in the regulation of ergosterol biosynthesis; one of a seven member gene family with a common essential function and non-essential unique functions; similar to human oxysterol binding protein (OSBP) 6720 S000005764 ORF Uncharacterized YOR238W n.a. 15 783677 784588 W Hypothetical protein 6722 S000005765 ORF Verified YOR239W ABP140 15 784857 786744 W Nonessential protein that binds actin filaments and localizes to actin patches and cables, has similarity to S-adenosylmethionine (AdoMet)-dependent methyltransferases 6726 S000005767 ORF Verified YOR241W MET7 15 786995 788641 W Folylpolyglutamate synthetase, catalyzes extension of the glutamate chains of the folate coenzymes, required for methionine synthesis and for maintenance of mitochondrial DNA, present in both the cytoplasm and mitochondria 6728 S000005768 ORF Verified YOR242C SSP2 15 789857 788742 C Sporulation specific protein that localizes to the spore wall; required for sporulation at a point after meiosis II and during spore wall formation; SSP2 expression is induced midway in meiosis 6730 S000005769 ORF Verified YOR243C PUS7 15 792241 790211 C Pseudouridine synthase, catalyzes pseudouridylation at position 35 in U2 snRNA, position 13 in cytoplasmic tRNAs, and position 35 in pre-tRNA(Tyr); Asp(256) mutation abolishes activity; conserved in archaea, some bacteria, and vertebrates 6732 S000005770 ORF Verified YOR244W ESA1 15 792531 793868 W Histone acetyltransferase catalytic subunit of the native multisubunit complex (NuA4) that acetylates four conserved internal lysines of histone H4 N-terminal tail; required for cell cycle progression 6734 S000005771 ORF Verified YOR245C DGA1 15 795332 794076 C Diacylglycerol acyltransferase, catalyzes the terminal step of triacylglycerol (TAG) formation, acylates diacylglycerol using acyl-CoA as an acyl donor, localized to lipid particles 6736 S000005772 ORF Uncharacterized YOR246C n.a. 15 796793 795801 C Protein with similarity to oxidoreductases, found in lipid particles; required for replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 6738 S000005773 ORF Verified YOR247W SRL1 15 797676 798308 W Mannoprotein that exhibits a tight association with the cell wall, required for cell wall stability in the absence of GPI-anchored mannoproteins; has a high serine-threonine content; expression is induced in cell wall mutants 6740 S000005774 ORF Dubious YOR248W n.a. 15 798013 798315 W Hypothetical protein 6742 S000005775 ORF Verified YOR249C APC5 15 800731 798674 C Subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition 6744 S000005776 ORF Verified YOR250C CLP1 15 802307 800970 C Subunit of cleavage factor I (CFI), involved in both the endonucleolyitc cleavage and polyadenylation steps of mRNA 3? end maturation 6746 S000005777 ORF Uncharacterized YOR251C n.a. 15 803464 802550 C catalyzes transfer of the sulfane atom of thiosulfate to cyanide to form sulfite and thiocyanate 6748 S000005778 ORF Uncharacterized YOR252W n.a. 15 803777 804202 W Hypothetical protein 6750 S000005779 ORF Verified YOR253W NAT5 15 804376 804906 W Subunit of the N-terminal acetyltransferase NatA (Nat1p, Ard1p, Nat5p); N-terminally acetylates many proteins, which influences multiple processes such as the cell cycle, heat-shock resistance, mating, sporulation, and telomeric silencing 6752 S000005780 ORF Verified YOR254C SEC63 15 807022 805031 C Essential subunit of Sec63 complex (Sec63p, Sec62p, Sec66p and Sec72p); with Sec61 complex, Kar2p/BiP and Lhs1p forms a channel competent for SRP-dependent and post-translational SRP-independent protein targeting and import into the ER 6754 S000005781 ORF Verified YOR255W OSW1 15 807270 808106 W Protein of unknown function required for the construction of the outer spore wall layers 6756 S000005782 ORF Uncharacterized YOR256C n.a. 15 810681 808252 C Protein of unknown function with similarity to TRE1/YPL176C; required for cell viability 6758 S000005783 ORF Verified YOR257W CDC31 15 811006 811491 W Component of the spindle pole body (SPB) half-bridge, required for SPB duplication in mitosis and meiosis II; homolog of mammalian centrin; interacts with Kar1p 6760 S000005784 ORF Verified YOR258W HNT3 15 811669 812322 W Member of the third branch of the histidine triad (HIT) superfamily of nucleotide-binding proteins; similar to Aprataxin, a Hint related protein that is mutated in individuals with ataxia with oculomotor apraxia 6762 S000005785 ORF Verified YOR259C RPT4 15 813706 812393 C One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; required for spindle pole body duplication; localized mainly to the nucleus throughout the cell cycle 6764 S000005786 ORF Verified YOR260W GCD1 15 813982 815718 W Gamma subunit of the translation initiation factor eIF2B, the guanine-nucleotide exchange factor for eIF2; activity subsequently regulated by phosphorylated eIF2; first identified as a negative regulator of GCN4 expression 6766 S000005787 ORF Verified YOR261C RPN8 15 816929 815913 C Essential, non-ATPase regulatory subunit of the 26S proteasome; has similarity to the human p40 proteasomal subunit and to another S. cerevisiae regulatory subunit, Rpn11p 6768 S000005788 ORF Uncharacterized YOR262W n.a. 15 817289 818332 W Protein required for cell viability 6770 S000005790 ORF Verified YOR264W DSE3 15 818863 820155 W Daughter cell-specific protein, may help establish daughter fate 6772 S000005789 ORF Dubious YOR263C n.a. 15 819161 818754 C Hypothetical protein 6774 S000005791 ORF Verified YOR265W RBL2 15 820451 820771 W Protein involved in microtubule morphogenesis, required for protection from excess free beta-tubulin; proposed to be involved the folding of beta-tubulin 6776 S000005792 ORF Verified YOR266W PNT1 15 821020 822291 W Mitochondrial inner membrane protein involved in export of proteins from the mitochondrial matrix; overexpression of PNT1 confers resistance to the anti-Pneumocystis carinii drug pentamidine, and deletion confers increased sensitivity 6778 S000005793 ORF Verified YOR267C HRK1 15 824864 822585 C Protein kinase implicated in activation of the plasma membrane H(+)-ATPase Pma1p in response to glucose metabolism; plays a role in ion homeostasis 6780 S000005794 ORF Uncharacterized YOR268C n.a. 15 825929 825531 C Hypothetical protein 6782 S000005795 ORF Verified YOR269W PAC1 15 826382 827866 W Protein involved in nuclear migration, part of the dynein/dynactin pathway; targets dynein to microtubule tips, which is necessary for sliding of microtubules along bud cortex; synthetic lethal with bni1; homolog of human LIS1 6784 S000005796 ORF Verified YOR270C VPH1 15 830571 828049 C Subunit of vacuolar-ATPase V0 domain, one of two isoforms (Vph1p and Stv1p); Vph1p is located in V-ATPase complexes of the vacuole while Stv1p is located in V-ATPase complexes of the Golgi and endosomes 6786 S000005797 ORF Uncharacterized YOR271C n.a. 15 832039 831056 C Hypothetical protein 6788 S000006497 snoRNA n.a. snR8 SNR8 15 832329 832518 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at positions 985 and 959 6790 S000005798 ORF Verified YOR272W YTM1 15 832810 834192 W Constituent of 66S pre-ribosomal particles, required for maturation of the large ribosomal subunit 6792 S000005799 ORF Verified YOR273C TPO4 15 836428 834449 C Polyamine transport protein, recognizes spermine, putrescine, and spermidine; localizes to the plasma membrane; member of the major facilitator superfamily 6794 S000005800 ORF Verified YOR274W MOD5 15 837671 838957 W Delta 2-isopentenyl pyrophosphate:tRNA isopentenyl transferase, required for biosynthesis of the modified base isopentenyladenosine in mitochondrial and cytoplasmic tRNAs; gene is nuclear and encodes two isozymic forms 6796 S000005801 ORF Verified YOR275C RIM20 15 841066 839081 C Protein involved in proteolytic activation of Rim101p in response to alkaline pH; member of the PalA/AIP1/Alix family; interacts with the ESCRT-III subunits Snf7p, suggesting a relationship between the response to pH and multivesicular body formation 6798 S000005802 ORF Verified YOR276W CAF20 15 841330 841815 W Phosphoprotein of the mRNA cap-binding complex involved in translational control, repressor of cap-dependent translation initiation, competes with eIF4G for binding to eIF4E 6800 S000005803 ORF Dubious YOR277C n.a. 15 841820 841512 C Hypothetical protein 6802 S000007296 snoRNA n.a. snR31 SNR31 15 842179 841955 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of small subunit rRNA at position 1000 6804 S000007291 snoRNA n.a. snR5 SNR5 15 842400 842603 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at positions 1003 and 1123 6806 S000005804 ORF Verified YOR278W HEM4 15 842814 843641 W Uroporphyrinogen III synthase, catalyzes the conversion of hydroxymethylbilane to uroporphyrinogen III, the fourth step in the heme biosynthetic pathway 6808 S000005805 ORF Verified YOR279C RFM1 15 844627 843695 C DNA-binding protein required for repression of middle sporulation genes; specificity factor that directs the Hst1p histone deacetylase to some of the promoters regulated by Sum1p 6810 S000005806 ORF Verified YOR280C FSH3 15 845789 844989 C Serine hydrolase that localizes to both the nucleus and cytoplasm; sequence is similar to Fsh1p and Fsh3p 6812 S000005808 ORF Dubious YOR282W n.a. 15 846997 847317 W Protein required for cell viability 6814 S000005807 ORF Verified YOR281C PLP2 15 847126 846266 C Essential protein with similarity to phosducins, which are GTPase inhibitors; lethality of null mutation is functionally complemented by expression of mouse phosducin-like protein MgcPhLP 6816 S000005809 ORF Uncharacterized YOR283W n.a. 15 847450 848142 W Hypothetical protein 6818 S000005810 ORF Uncharacterized YOR284W HUA2 15 848475 849206 W Cytoplasmic protein of unknown function; computational analysis of large-scale protein-protein interaction data suggests a possible role in actin patch assembly 6820 S000005811 ORF Uncharacterized YOR285W n.a. 15 849632 850051 W Hypothetical protein 6822 S000005812 ORF Uncharacterized YOR286W n.a. 15 850277 850726 W The authentic, non-tagged protein was localized to the mitochondria 6824 S000005813 ORF Uncharacterized YOR287C n.a. 15 851836 850934 C Protein required for cell viability 6826 S000005814 ORF Verified YOR288C MPD1 15 853074 852118 C Member of the protein disulfide isomerase (PDI) family; overexpression suppresses the defect in maturation of carboxypeptidase Y, and defects in other essential Pdi1p functions, caused by PDI1 deletion 6828 S000005815 ORF Uncharacterized YOR289W n.a. 15 853354 854109 W Hypothetical protein 6830 S000006525 tRNA n.a. tA(UGC)O n.a. 15 854256 854184 C tRNA-Ala 6833 S000005816 ORF Verified YOR290C SNF2 15 860255 855144 C Catalytic subunit of the 11-subunit SWI/SNF chromatin remodeling complex involved in transcriptional regulation; contains DNA-stimulated ATPase activity; functions interdependently in transcriptional activation with Snf5p and Snf6p 6835 S000005817 ORF Uncharacterized YOR291W n.a. 15 861172 865590 W Hypothetical protein 6837 S000005818 ORF Uncharacterized YOR292C n.a. 15 866579 865650 C Hypothetical protein 6839 S000005819 ORF Verified YOR293W RPS10A 15 867095 867849 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps10Bp and has similarity to rat ribosomal protein S10 6842 S000037301 intron n.a. n.a. n.a. 15 867147 867583 W n.a. 6843 S000028858 ORF Uncharacterized YOR293C-A n.a. 15 868144 867995 C Identified by expression profiling and mass spectrometry 6845 S000005820 ORF Verified YOR294W RRS1 15 868337 868948 W Essential protein that binds ribosomal protein L11 and is required for nuclear export of the 60S pre-ribosomal subunit during ribosome biogenesis; mouse homolog shows altered expression in Huntington's disease model mice 6847 S000005821 ORF Verified YOR295W UAF30 15 869205 869891 W Subunit of UAF (upstream activation factor), which is an RNA polymerase I specific transcription stimulatory factor composed of Uaf30p, Rrn5p, Rrn9p, Rrn10p, histones H3 and H4; deletion decreases cellular growth rate 6849 S000005822 ORF Uncharacterized YOR296W n.a. 15 870199 874068 W Hypothetical protein 6851 S000005823 ORF Verified YOR297C TIM18 15 875318 874740 C mitochondrial inner membrane translocase 6853 S000005824 ORF Verified YOR298W MUM3 15 875596 877035 W Protein of unknown function involved in the organization of the outer spore wall layers; has similarity to the tafazzins superfamily of acetyltransferases 6855 S000007253 ORF Verified YOR298C-A MBF1 15 877682 877227 C Transcriptional coactivator that bridges the DNA-binding region of Gcn4p and TATA-binding protein Spt15p; suppressor of frameshift mutations 6857 S000005825 ORF Verified YOR299W BUD7 15 878431 880671 W Protein involved in bud-site selection; diploid mutants display an axial-like budding pattern 6859 S000005826 ORF Dubious YOR300W HUF1 15 880571 880879 W Dubious open reading frame, unlikely to encode a protein; HUF1 ORF overlaps with verified gene BUD7/YOR299W; mutation affects bipolar budding and bud site selection. 6861 S000005827 ORF Verified YOR301W RAX1 15 880961 882268 W Protein involved in bud site selection during bipolar budding; localization requires Rax2p; has similarity to members of the insulin-related peptide superfamily 6863 S000005828 ORF Verified YOR302W n.a. 15 882761 882838 W CPA1 uORF , Arginine attenuator peptide, regulates translation of the CPA1 mRNA 6865 S000005829 ORF Verified YOR303W CPA1 15 882895 884130 W Small subunit of carbamoyl phosphate synthetase, which catalyzes a step in the synthesis of citrulline, an arginine precursor; translationally regulated by an attenuator peptide encoded by YOR302W within the CPA1 mRNA 5'-leader 6867 S000005831 ORF Verified YOR304W ISW2 15 884510 887872 W Member of the imitation-switch (ISWI) class of ATP-dependent chromatin remodeling complexes; ATPase component that, with Itc1p, forms a complex required for repression of a-specific genes, INO1, and early meiotic genes during mitotic growth 6869 S000005830 ORF Uncharacterized YOR304C-A n.a. 15 888746 888516 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, bud, and bud neck 6871 S000005832 ORF Uncharacterized YOR305W n.a. 15 889018 889746 W Hypothetical protein 6873 S000005833 ORF Verified YOR306C MCH5 15 891428 889863 C Protein with similarity to mammalian monocarboxylate permeases, which are involved in transport of monocarboxylic acids across the plasma membrane; mutant is not deficient in monocarboxylate transport 6875 S000005834 ORF Verified YOR307C SLY41 15 894087 892726 C Protein involved in ER-to-Golgi transport 6877 S000005835 ORF Verified YOR308C SNU66 15 896382 894619 C 66kD U4/U6.U5 snRNP associated protein 6879 S000005836 ORF Dubious YOR309C n.a. 15 897073 896693 C Hypothetical protein 6881 S000005837 ORF Verified YOR310C NOP58 15 898355 896820 C Protein involved in pre-rRNA processing, 18S rRNA synthesis, and snoRNA synthesis; component of the small subunit processome complex, which is required for processing of pre-18S rRNA 6883 S000005838 ORF Verified YOR311C HSD1 15 899923 899051 C Endoplasmic reticulum (ER)-resident membrane protein, overproduction induces enlargement of ER-like membrane structures and suppresses a temperature-sensitive sly1 mutation 6885 S000005839 ORF Verified YOR312C RPL20B 15 901176 900245 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl20Ap and has similarity to rat L18a ribosomal protein 6888 S000032859 intron n.a. n.a. n.a. 15 901169 900763 C n.a. 6889 S000005840 ORF Verified YOR313C SPS4 15 902869 901853 C Protein whose expression is induced during sporulation; not required for sporulation; heterologous expression in E. coli induces the SOS response that senses DNA damage 6891 S000005841 ORF Dubious YOR314W n.a. 15 903038 903367 W Hypothetical protein 6893 S000007629 ORF Dubious YOR314W-A n.a. 15 904453 904563 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 6895 S000005842 ORF Uncharacterized YOR315W n.a. 15 904755 905795 W Protein of unknown function, found in the cytoplasm and the nucleus; potential Cdc28p substrate 6897 S000005843 ORF Verified YOR316C COT1 15 907550 906231 C Vacuolar transporter that mediates zinc transport into the vacuole; overexpression confers resistance to cobalt and rhodium 6899 S000028584 ORF Uncharacterized YOR316C-A n.a. 15 907930 907721 C Identified by fungal homology and RT-PCR 6901 S000005844 ORF Verified YOR317W FAA1 15 909338 911440 W Long chain fatty acyl-CoA synthetase with a preference for C12:0-C16:0 fatty acids; involved in the activation of imported fatty acids; not required for growth on nonfermentable carbon sources; essential for stationary phase 6903 S000005845 ORF Dubious YOR318C n.a. 15 912431 911779 C Hypothetical protein 6906 S000034045 intron n.a. n.a. n.a. 15 912427 912081 C n.a. 6907 S000005846 ORF Verified YOR319W HSH49 15 912817 913458 W U2-snRNP associated splicing factor with similarity to the mammalian splicing factor SAP49; proposed to function as a U2-snRNP assembly factor along with Hsh155p and binding partner Cus1p; contains two RNA recognition motifs (RRM) 6909 S000005847 ORF Verified YOR320C GNT1 15 915089 913614 C N-acetylglucosaminyltransferase capable of modification of N-linked glycans in the Golgi apparatus 6911 S000005848 ORF Verified YOR321W PMT3 15 916025 918286 W Protein O-mannosyltransferase, transfers mannose residues from dolichyl phosphate-D-mannose to protein serine/threonine residues; acts in a complex with Pmt5p, can instead interact with Pmt1p in some conditions; target for new antifungals 6913 S000005849 ORF Uncharacterized YOR322C n.a. 15 921057 918601 C Hypothetical protein 6915 S000005850 ORF Verified YOR323C PRO2 15 922900 921530 C Gamma-glutamyl phosphate reductase, catalyzes the second step in proline biosynthesis 6917 S000005852 ORF Dubious YOR325W n.a. 15 924572 925045 W Hypothetical protein 6919 S000005851 ORF Verified YOR324C FRT1 15 925035 923227 C Tail-anchored endoplasmic reticulum membrane protein that is a substrate of the phosphatase calcineurin, interacts with homolog Frt2p, promotes cell growth in conditions of high Na+, alkaline pH, and cell wall stress 6921 S000005853 ORF Verified YOR326W MYO2 15 925716 930440 W One of two type V myosins, involved in polarized distribution of mitochondria; required for mitochondrion and vacuole inheritance and nuclear spindle orientation; moves multiple cargo 6923 S000005854 ORF Verified YOR327C SNC2 15 931076 930729 C Vesicle membrane receptor protein (v-SNARE) involved in the fusion between Golgi-derived secretory vesicles with the plasma membrane; member of the synaptobrevin/VAMP family of R-type v-SNARE proteins 6925 S000005855 ORF Verified YOR328W PDR10 15 931798 936492 W ABC (ATP-binding cassette) membrane pump involved in the pleiotropic drug resistance network, regulated by Pdr1p and Pdr3p, similar to Pdr5p 6927 S000028585 ORF Dubious YOR329W-A n.a. 15 939343 939552 W Identified by fungal homology and RT-PCR 6929 S000005856 ORF Verified YOR329C SCD5 15 939344 936726 C Protein required for normal cortical actin organization and endocytosis; multicopy suppressor of clathrin deficiency; acts as a targeting subunit for protein phosphatase type 1 6931 S000005857 ORF Verified YOR330C MIP1 15 943458 939616 C Catalytic subunit of the mitochondrial DNA polymerase 6933 S000005859 ORF Verified YOR332W VMA4 15 943651 944352 W Subunit E of the eight-subunit V1 peripheral membrane domain of the vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found throughout the endomembrane system; required for the V1 domain to assemble onto the vacuolar membrane 6935 S000005858 ORF Dubious YOR331C n.a. 15 944117 943560 C Hypothetical protein 6937 S000005861 ORF Verified YOR334W MRS2 15 944591 946003 W Mitochondrial inner membrane Mg(2+) channel, required for maintenance of intramitochondrial Mg(2+) concentrations at the correct level to support splicing of group II introns 6939 S000005860 ORF Dubious YOR333C n.a. 15 944952 944536 C Spore Wall Formation 6941 S000028717 ORF Dubious YOR335W-A n.a. 15 946563 946643 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 6943 S000005862 ORF Verified YOR335C ALA1 15 949104 946228 C Cytoplasmic alanyl-tRNA synthetase, required for protein synthesis; point mutation (cdc64-1 allele) causes cell cycle arrest at G1; lethality of null mutation is functionally complemented by human homolog 6945 S000005863 ORF Verified YOR336W KRE5 15 949768 953865 W Protein required for beta-1,6 glucan biosynthesis; mutations result in aberrant morphology and severe growth defects 6947 S000005864 ORF Verified YOR337W TEA1 15 954339 956618 W Mutants are defective in Ty1 Enhancer-mediated Activation; Ty1 enhancer activator 6949 S000005865 ORF Uncharacterized YOR338W n.a. 15 956893 957984 W Hypothetical protein 6951 S000005866 ORF Verified YOR339C UBC11 15 958827 958357 C Ubiquitin-conjugating enzyme most similar in sequence to Xenopus ubiquitin-conjugating enzyme E2-C, but not a true functional homolog of this E2; unlike E2-C, not required for the degradation of mitotic cyclin Clb2 6953 S000005867 ORF Verified YOR340C RPA43 15 960177 959197 C RNA polymerase I subunit A43 6955 S000005868 ORF Verified YOR341W RPA190 15 960982 965976 W RNA polymerase I subunit; largest subunit of RNA polymerase I 6957 S000005869 ORF Uncharacterized YOR342C n.a. 15 967620 966661 C Hypothetical protein 6959 S000005870 ORF Dubious YOR343C n.a. 15 968469 968143 C Hypothetical protein 6972 S000006666 tRNA n.a. tM(CAU)O2 EMT2 15 976416 976488 W tRNA that accepts methionine; functions in translational elongation but not translational initiation 6974 S000005871 ORF Verified YOR344C TYE7 15 978064 977189 C Serine-rich protein that contains a basic-helix-loop-helix (bHLH) DNA binding motif; binds E-boxes of glycolytic genes and contributes to their activation; may function as a transcriptional activator in Ty1-mediated gene expression 6977 S000006689 tRNA n.a. tP(UGG)O3 n.a. 15 980678 980782 W tRNA-Pro 6978 S000031061 intron n.a. n.a. n.a. 15 980714 980746 W n.a. 6981 S000005873 ORF Verified YOR346W REV1 15 981823 984780 W Deoxycytidyl transferase, forms a complex with the subunits of DNA polymerase zeta, Rev3p and Rev7p; involved in repair of abasic sites in damaged DNA 6983 S000005872 ORF Dubious YOR345C n.a. 15 982157 981807 C Hypothetical protein 6985 S000005874 ORF Verified YOR347C PYK2 15 986457 984937 C Pyruvate kinase, one of two isoforms that catalyze the final step in glycolysis; activity appears to be modulated by phosphorylation; PYK2 transcription is repressed by glucose, and Pyk2p may be active under low glycolytic flux 6987 S000005875 ORF Verified YOR348C PUT4 15 988777 986894 C Proline permease, required for high-affinity transport of proline; also transports the toxic proline analog azetidine-2-carboxylate (AzC); PUT4 transcription is repressed in ammonia-grown cells 6989 S000005876 ORF Verified YOR349W CIN1 15 989784 992828 W Tubulin folding factor D involved in beta-tubulin (Tub2p) folding; isolated as mutant with increased chromosome loss and sensitivity to benomyl 6991 S000005877 ORF Verified YOR350C MNE1 15 994850 992859 C Mitochondrial protein similar to Lucilia illustris mitochondrial cytochrome oxidase 6993 S000005878 ORF Verified YOR351C MEK1 15 996506 995013 C Meiosis-specific serine/threonine protein kinase, functions in meiotic checkpoint, phosphorylates Red1p, interacts with Hop1p; required for meiotic recombination and normal spore viability 6995 S000005879 ORF Uncharacterized YOR352W n.a. 15 997208 998239 W Hypothetical protein 6997 S000005880 ORF Verified YOR353C SOG2 15 1000823 998448 C Protein required for cell morphogenesis and cell separation after mitosis 6999 S000005881 ORF Verified YOR354C MSC6 15 1003220 1001142 C Protein of unknown function, green fluorescent protein (GFP)-fusion protein localizes to mitochondria; msc6 mutants are defective in directing meiotic recombination events to homologous chromatids 7001 S000005882 ORF Verified YOR355W GDS1 15 1005133 1006701 W Protein of unknown function, required for growth on glycerol as a carbon source 7003 S000005883 ORF Uncharacterized YOR356W n.a. 15 1007217 1009112 W Hypothetical protein 7005 S000005884 ORF Verified YOR357C GRD19 15 1009708 1009220 C Sorting nexin required to maintain late-Golgi resident enzymes in their proper location by recycling molecules from the prevacuolar compartment; contains a PX domain and sequence similarity to human Snx3p 7007 S000005885 ORF Verified YOR358W HAP5 15 1010157 1010885 W Subunit of the heme-activated, glucose-repressed Hap2/3/4/5 CCAAT-binding complex, a transcriptional activator and global regulator of respiratory gene expression; required for assembly and DNA binding activity of the complex 7009 S000005886 ORF Verified YOR359W VTS1 15 1011185 1012756 W Protein of unknown function, shows genetic interactions with Vti1p, which is a v-SNARE involved in cis-Golgi membrane traffic 7011 S000005887 ORF Verified YOR360C PDE2 15 1014817 1013237 C High-affinity cyclic AMP phosphodiesterase, component of the cAMP-dependent protein kinase signaling system, protects the cell from extracellular cAMP, contains readthrough motif surrounding termination codon 7013 S000005888 ORF Verified YOR361C PRT1 15 1017648 1015357 C Subunit of the core complex of translation initiation factor 3(eIF3), essential for translation; part of a subcomplex (Prt1p-Rpg1p-Nip1p) that stimulates binding of mRNA and tRNA(i)Met to ribosomes 7015 S000005889 ORF Verified YOR362C PRE10 15 1018742 1017876 C 20S proteasome alpha-type subunit 7017 S000005890 ORF Verified YOR363C PIP2 15 1023208 1020218 C Autoregulatory oleate-specific transcriptional activator of peroxisome proliferation, contains Zn(2)-Cys(6) cluster domain, forms heterodimer with Oaf1p, binds oleate response elements (OREs), activates beta-oxidation genes 7019 S000005891 ORF Dubious YOR364W n.a. 15 1023367 1023735 W Hypothetical protein 7021 S000005893 ORF Dubious YOR366W n.a. 15 1025252 1025605 W Hypothetical protein 7023 S000005892 ORF Uncharacterized YOR365C n.a. 15 1025568 1023457 C Hypothetical protein 7025 S000005894 ORF Verified YOR367W SCP1 15 1026003 1026605 W Component of yeast cortical actin cytoskeleton, binds and cross links actin filaments; originally identified by its homology to calponin (contains a calponin-like repeat) but the Scp1p domain structure is more similar to transgelin 7027 S000005895 ORF Verified YOR368W RAD17 15 1026839 1028044 W Checkpoint protein, involved in the activation of the DNA damage and meiotic pachytene checkpoints; with Mec3p and Ddc1p, forms a clamp that is loaded onto partial duplex DNA; homolog of human and S. pombe Rad1 and U. maydis Rec1 proteins 7029 S000005896 ORF Verified YOR369C RPS12 15 1028621 1028190 C Protein component of the small (40S) ribosomal subunit; has similarity to rat ribosomal protein S12 7031 S000005897 ORF Verified YOR370C MRS6 15 1030990 1029179 C Rab escort protein, forms a complex with the Ras-like small GTPase Ypt1p that is required for the prenylation of Ypt1p by protein geranylgeranyltransferase type II (Bet2p-Bet4p) 7033 S000005898 ORF Verified YOR371C GPB1 15 1034178 1031485 C Proposed beta subunit of the heterotrimeric G protein that interacts with the receptor Grp1p, has signaling role in response to nutrients; involved in regulation of pseudohyphal growth through cAMP levels; homolog of Gpb2p 7035 S000005899 ORF Verified YOR372C NDD1 15 1036467 1034803 C Transcriptional activator essential for nuclear division; localized to the nucleus; essential component of the mechanism that activates the expression of a set of late-S-phase-specific genes 7037 S000005900 ORF Verified YOR373W NUD1 15 1036830 1039385 W Component of the spindle pole body outer plaque, required for exit from mitosis 7039 S000005901 ORF Verified YOR374W ALD4 15 1039836 1041395 W Mitochondrial aldehyde dehydrogenase, required for growth on ethanol and conversion of acetaldehyde to acetate; activity is K+ dependent; utilizes NADP+ or NAD+ equally as coenzymes; expression is glucose repressed 7041 S000005902 ORF Verified YOR375C GDH1 15 1043038 1041674 C NADP(+)-dependent glutamate dehydrogenase, synthesizes glutamate from ammonia and alpha-ketoglutarate; rate of alpha-ketoglutarate utilization differs from Gdh3p; expression regulated by nitrogen and carbon sources 7043 S000005903 ORF Dubious YOR376W n.a. 15 1043187 1043555 W Hypothetical protein 7045 S000028586 ORF Uncharacterized YOR376W-A n.a. 15 1045192 1045347 W Identified by fungal homology and RT-PCR 7047 S000005904 ORF Verified YOR377W ATF1 15 1046222 1047799 W Alcohol acetyltransferase with potential roles in lipid and sterol metabolism; responsible for the major part of volatile acetate ester production during fermentation 7049 S000005905 ORF Uncharacterized YOR378W n.a. 15 1049507 1051054 W Hypothetical protein 7051 S000005906 ORF Dubious YOR379C n.a. 15 1051060 1050722 C Hypothetical protein 7053 S000005907 ORF Verified YOR380W RDR1 15 1051286 1052926 W Transcriptional repressor involved in the control of multidrug resistance; negatively regulates expression of the PDR5 gene; member of the Gal4p family of zinc cluster proteins 7055 S000005908 ORF Verified YOR381W FRE3 15 1055541 1057676 W Ferric reductase, reduces siderophore-bound iron prior to uptake by transporters; expression induced by low iron levels 7057 S000028587 ORF Uncharacterized YOR381W-A n.a. 15 1058419 1058586 W Identified by fungal homology and RT-PCR 7059 S000005909 ORF Verified YOR382W FIT2 15 1059527 1059988 W Mannoprotein that is incorporated into the cell wall via a glycosylphosphatidylinositol (GPI) anchor, involved in the retention of siderophore-iron in the cell wall 7061 S000005910 ORF Verified YOR383C FIT3 15 1061051 1060437 C Mannoprotein that is incorporated into the cell wall via a glycosylphosphatidylinositol (GPI) anchor, involved in the retention of siderophore-iron in the cell wall 7063 S000005911 ORF Verified YOR384W FRE5 15 1061560 1063644 W Putative ferric reductase with similarity to Fre2p; expression induced by low iron levels 7065 S000005912 ORF Uncharacterized YOR385W n.a. 15 1065039 1065911 W Hypothetical protein 7067 S000005913 ORF Verified YOR386W PHR1 15 1066835 1068532 W DNA photolyase involved in photoreactivation, repairs pyrimidine dimers in the presence of visible light; induced by DNA damage; regulated by transcriptional repressor Rph1p 7069 S000005914 ORF Uncharacterized YOR387C n.a. 15 1070237 1069617 C Hypothetical protein 7071 S000005915 ORF Verified YOR388C FDH1 15 1072919 1071789 C NAD(+)-dependent formate dehydrogenase, may protect cells from exogenous formate 7073 S000005916 ORF Uncharacterized YOR389W n.a. 15 1074209 1076083 W Hypothetical protein 7075 S000005917 ORF Uncharacterized YOR390W n.a. 15 1076780 1077907 W Hypothetical protein 7077 S000005918 ORF Uncharacterized YOR391C HSP33 15 1079254 1078541 C Possible chaperone and cysteine protease with similarity to E. coli Hsp31 and S. cerevisiae Hsp32p, Hsp33p, and Sno4p; member of the DJ-1/ThiJ/PfpI superfamily, which includes human DJ-1 involved in Parkinson's disease 7079 S000005919 ORF Dubious YOR392W n.a. 15 1079278 1079721 W Hypothetical protein 7081 S000005920 ORF Verified YOR393W ERR1 15 1080272 1081585 W Protein of unknown function, has similarity to enolases 7083 S000005921 ORF Uncharacterized YOR394W n.a. 15 1082714 1083208 W Hypothetical protein 7090 S000028718 ORF Uncharacterized YOR394C-A n.a. 15 1084365 1084198 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 7095 S000007526 ORF Uncharacterized YOR396W n.a. 15 1087185 1090859 W Hypothetical protein 7097 S000028719 ORF Dubious YOR396C-A n.a. 15 1090493 1090011 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 7101 S000028724 ORF Dubious YPL283W-B n.a. 16 643 1125 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 7103 S000028723 ORF Dubious YPL283W-A n.a. 16 1426 2001 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 7105 S000006204 ORF Verified YPL283C YRF1-7 16 6007 280 C Helicase encoded by the Y' element of subtelomeric regions, highly expressed in the mutants lacking the telomerase component TLC1; potentially phosphorylated by Cdc28p 7108 S000036890 intron n.a. n.a. n.a. 16 5988 5841 C n.a. 7116 S000006203 ORF Uncharacterized YPL282C n.a. 16 8427 7933 C Hypothetical protein 7118 S000006202 ORF Verified YPL281C ERR2 16 10870 9557 C Protein of unknown function, has similarity to enolases 7120 S000006201 ORF Uncharacterized YPL280W HSP32 16 11887 12600 W Possible chaperone and cysteine protease with similarity to E. coli Hsp31 and S. cerevisiae Hsp31p, Hsp33p, and Sno4p; member of the DJ-1/ThiJ/PfpI superfamily, which includes human DJ-1 involved in Parkinson's disease 7122 S000006200 ORF Uncharacterized YPL279C n.a. 16 14355 13228 C Hypothetical protein 7124 S000006199 ORF Uncharacterized YPL278C n.a. 16 15355 15053 C Hypothetical protein 7126 S000006198 ORF Uncharacterized YPL277C n.a. 16 16868 15405 C Hypothetical protein 7132 S000006195 ORF Verified YPL274W SAM3 16 22938 24701 W High-affinity S-adenosylmethionine permease, required for utilization of S-adenosylmethionine as a sulfur source; has similarity to S-methylmethionine permease Mmp1p 7134 S000006194 ORF Verified YPL273W SAM4 16 25087 26064 W S-adenosylmethionine-homocysteine methyltransferase, functions along with Mht1p in the conversion of S-adenosylmethionine (AdoMet) to methionine to control the methionine/AdoMet ratio 7136 S000006193 ORF Uncharacterized YPL272C n.a. 16 28164 26611 C Hypothetical protein 7138 S000006192 ORF Verified YPL271W ATP15 16 30079 30267 W Epsilon subunit of the F1 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 7140 S000006191 ORF Verified YPL270W MDL2 16 30482 32803 W Half-type ATP-binding cassette (ABC) transporter of the inner mitochondrial membrane 7142 S000006190 ORF Verified YPL269W KAR9 16 33013 34947 W Karyogamy protein required for correct positioning of the mitotic spindle and for orienting cytoplasmic microtubules, localizes at the shmoo tip in mating cells and at the tip of the growing bud in small-budded cells through anaphase 7144 S000006189 ORF Verified YPL268W PLC1 16 35236 37845 W Phosphoinositide-specific phospholipase C, hydrolyzes phosphatidylinositol 4,5-biphosphate (PIP2) to generate inositol 1,4,5-triphosphate (IP3) and 1,2-diacylglycerol (DAG); involved in kinetochore function and pseudohyphal differentiation 7146 S000006188 ORF Uncharacterized YPL267W n.a. 16 38169 38798 W Protein of unknown function, potential Cdc28p substrate 7148 S000006187 ORF Verified YPL266W DIM1 16 39121 40077 W Essential 18S rRNA dimethylase, responsible for conserved m6(2)Am6(2)A dimethylation in 3'-terminal loop of 18 S rRNA, part of 90S and 40S pre-particles in nucleolus, involved in pre-ribosomal RNA processing 7150 S000006186 ORF Verified YPL265W DIP5 16 41043 42869 W Dicarboxylic amino acid permease, mediates high-affinity and high-capacity transport of L-glutamate and L-aspartate; also a transporter for Gln, Asn, Ser, Ala, and Gly 7152 S000006185 ORF Uncharacterized YPL264C n.a. 16 44344 43283 C Hypothetical protein 7154 S000006184 ORF Verified YPL263C KEL3 16 46506 44551 C Cytoplasmic protein of unknown function 7156 S000006183 ORF Verified YPL262W FUM1 16 47336 48802 W Fumarase, converts fumaric acid to L-malic acid in the TCA cycle; cytosolic and mitochondrial localization determined by the N-terminal mitochondrial targeting sequence and protein conformation 7158 S000006181 ORF Uncharacterized YPL260W n.a. 16 49303 50958 W Hypothetical protein 7160 S000006182 ORF Dubious YPL261C n.a. 16 49304 48996 C Hypothetical protein 7162 S000006180 ORF Verified YPL259C APM1 16 52671 51244 C Mu1-like medium subunit of the clathrin-associated protein complex (AP-1); binds clathrin; involved in clathrin-dependent Golgi protein sorting 7164 S000006179 ORF Verified YPL258C THI21 16 55153 53498 C Hydroxymethylpyrimidine phosphate kinase, involved in the last steps in thiamine biosynthesis; member of a gene family with THI20 and THI22; functionally redundant with Thi20p 7167 S000006776 tRNA n.a. tW(CCA)P n.a. 16 56274 56169 C tRNA-Trp 7168 S000034120 intron n.a. n.a. n.a. 16 56238 56205 C n.a. 7184 S000006178 ORF Uncharacterized YPL257W n.a. 16 63279 63860 W Hypothetical protein 7186 S000006177 ORF Verified YPL256C CLN2 16 66614 64977 C G1 cyclin involved in regulation of the cell cycle; activates Cdc28p kinase to promote the G1 to S phase transition; late G1 specific expression depends on transcription factor complexes, MBF (Swi6p-Mbp1p) and SBF (Swi6p-Swi4p) 7188 S000006176 ORF Verified YPL255W BBP1 16 67725 68882 W Protein required for the spindle pole body (SPB) duplication, localized at the central plaque periphery; forms a complex with a nuclear envelope protein Mps2p and SPB components Spc29p and Kar1p; required for mitotic functions of Cdc5p 7190 S000006175 ORF Verified YPL254W HFI1 16 69485 70951 W Adaptor protein required for structural integrity of the SAGA complex, a histone acetyltransferase-coactivator complex that is involved in global regulation of gene expression through acetylation and transcription functions 7192 S000006174 ORF Verified YPL253C VIK1 16 73006 71063 C Protein that forms a complex with Kar3p at the spindle pole body, possible regulator of Kar3p function in microtubule-mediated processes; required for sister chromatid cohesion; has similarity to Cik1p 7194 S000006172 ORF Dubious YPL251W n.a. 16 73625 73927 W Protein required for cell viability 7196 S000006173 ORF Verified YPL252C YAH1 16 73881 73363 C Ferredoxin of the mitochondrial matrix required for formation of cellular iron-sulfur proteins; involved in heme A biosynthesis; homologous to human adrenodoxin 7198 S000006171 ORF Uncharacterized YPL250C ICY2 16 74719 74309 C Protein that interacts with the cytoskeleton and is involved in chromatin organization and nuclear transport, interacts genetically with TCP1 and ICY1; potential Cdc28p substrate 7200 S000028589 ORF Dubious YPL250W-A n.a. 16 75702 75989 W Identified by fungal homology and RT-PCR 7202 S000006438 ORF Verified YPL249C-A RPL36B 16 76239 75699 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl36Ap and has similarity to rat L36 ribosomal protein; binds to 5.8 S rRNA 7205 S000032351 intron n.a. n.a. n.a. 16 76223 75986 C n.a. 7206 S000006170 ORF Verified YPL249C GYP5 16 79353 76669 C GTPase-activating protein (GAP) for yeast Rab family members, involved in ER to Golgi trafficking; exhibits GAP activity toward Ypt1p that is stimulated by Gyl1p, also acts on Sec4p; interacts with Gyl1p, Rvs161p and Rvs167p 7208 S000006169 ORF Verified YPL248C GAL4 16 82356 79711 C DNA-binding transcription factor required for the activation of the GAL genes in response to galactose; repressed by Gal80p and activated by Gal3p 7210 S000006168 ORF Uncharacterized YPL247C n.a. 16 84196 82625 C Hypothetical protein 7212 S000006167 ORF Verified YPL246C RBD2 16 85297 84509 C Possible rhomboid protease, has similarity to eukaryotic rhomboid proteases including Pcp1p 7214 S000006166 ORF Uncharacterized YPL245W n.a. 16 85586 86950 W Hypothetical protein 7216 S000006165 ORF Verified YPL244C HUT1 16 88033 87014 C Protein with a role in UDP-galactose transport to the Golgi lumen, has similarity to human UDP-galactose transporter UGTrel1, exhibits a genetic interaction with S. cerevisiae ERO1 7218 S000006164 ORF Verified YPL243W SRP68 16 88517 90316 W Core component of the signal recognition particle (SRP) ribonucleoprotein (RNP) complex that functions in targeting nascent secretory proteins to the endoplasmic reticulum (ER) membrane 7220 S000006163 ORF Verified YPL242C IQG1 16 95109 90622 C Essential protein required for determination of budding pattern, promotes localization of axial markers Bud4p and Cdc12p and functionally interacts with Sec3p, localizes to the contractile ring during anaphase, member of the IQGAP family 7222 S000006162 ORF Verified YPL241C CIN2 16 96258 95372 C Tubulin folding factor C (putative) involved in beta-tubulin (Tub2p) folding; isolated as mutant with increased chromosome loss and sensitivity to benomyl 7225 S000037282 intron n.a. n.a. n.a. 16 96233 96154 C n.a. 7226 S000006161 ORF Verified YPL240C HSP82 16 98625 96496 C Cytoplasmic chaperone (Hsp90 family) required for pheromone signaling and negative regulation of Hsf1p; docks with the mitochondrial import receptor Tom70p for preprotein delivery; interacts with co-chaperones Cns1p, Cpr6p, Cpr7p, and Sti1p 7228 S000006160 ORF Verified YPL239W YAR1 16 99484 100086 W Cytoplasmic ankyrin-repeat containing protein of unknown function, proposed to link the processes of 40S ribosomal subunit biogenesis and adaptation to osmotic and oxidative stress; expression repressed by heat shock 7230 S000006158 ORF Verified YPL237W SUI3 16 100496 101353 W Beta subunit of the translation initiation factor eIF2, involved in the identification of the start codon; proposed to be involved in mRNA binding 7232 S000006159 ORF Dubious YPL238C n.a. 16 100863 100474 C Protein required for cell viability 7234 S000006157 ORF Uncharacterized YPL236C n.a. 16 102702 101608 C Hypothetical protein 7236 S000006156 ORF Verified YPL235W RVB2 16 103232 104647 W Essential protein involved in transcription regulation; component of chromatin remodeling complexes; required for assembly and function of the INO80 complex; member of the RUVB-like protein family 7238 S000006155 ORF Verified YPL234C TFP3 16 105440 104946 C Vacuolar ATPase V0 domain subunit c', involved in proton transport activity; hydrophobic integral membrane protein (proteolipid) containing four transmembrane segments; N and C termini are in the vacuolar lumen 7240 S000006154 ORF Verified YPL233W NSL1 16 106172 106822 W Essential component of the MIND kinetochore complex (Mtw1p Including Nnf1p-Nsl1p-Dsn1p) which joins kinetochore subunits contacting DNA to those contacting microtubules; required for accurate chromosome segregation 7242 S000006153 ORF Verified YPL232W SSO1 16 107275 108147 W Plasma membrane t-SNARE involved in fusion of secretory vesicles at the plasma membrane; forms a complex, with t-SNARE Sec9p, that binds v-SNARE Snc2p; also required for sporulation; syntaxin homolog that is functionally redundant with Sso2p 7244 S000006152 ORF Verified YPL231W FAS2 16 108652 114315 W Alpha subunit of fatty acid synthetase, which catalyzes the synthesis of long-chain saturated fatty acids; contains beta-ketoacyl reductase and beta-ketoacyl synthase activities 7246 S000006151 ORF Uncharacterized YPL230W n.a. 16 115312 116487 W Up in StarVation 7248 S000006150 ORF Uncharacterized YPL229W n.a. 16 117067 117687 W Hypothetical protein 7250 S000006149 ORF Verified YPL228W CET1 16 118382 120031 W Interacts with Ceg1p, the mRNA capping enzyme alpha subunit; removes gamma-phosphate from triphosphate-terminated RNA; mRNA capping enzyme beta subunit (80 kDa), RNA 5'-triphosphatase 7252 S000006148 ORF Verified YPL227C ALG5 16 121167 120163 C UDP-glucose:dolichyl-phosphate glucosyltransferase, involved in asparagine-linked glycosylation in the endoplasmic reticulum 7254 S000006147 ORF Verified YPL226W NEW1 16 121767 125357 W ATP binding cassette family member; Asn/Gln-rich rich region supports [NU+] prion formation, susceptibility to [PSI+] prion induction and aggregation of a fragment of the human Machado-Joseph Disease protein 7256 S000006146 ORF Uncharacterized YPL225W n.a. 16 126006 126446 W Hypothetical protein 7258 S000006145 ORF Verified YPL224C MMT2 16 128087 126738 C Putative metal transporter involved in mitochondrial iron accumulation; closely related to Mmt1p 7260 S000006144 ORF Verified YPL223C GRE1 16 129137 128631 C Hydrophilin of unknown function; stress induced (osmotic, ionic, oxidative, heat shock and heavy metals); regulated by the HOG pathway 7262 S000006143 ORF Uncharacterized YPL222W n.a. 16 130161 132227 W The authentic, non-tagged protein was localized to the mitochondria. 7264 S000028722 ORF Dubious YPL222C-A n.a. 16 132114 131869 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 7266 S000006142 ORF Uncharacterized YPL221W n.a. 16 133042 135423 W Protein of unknown function, overproduction suppresses a pam1 slv3 double null mutation 7268 S000006141 ORF Verified YPL220W RPL1A 16 135789 136442 W N-terminally acetylated protein component of the large (60S) ribosomal subunit, nearly identical to Rpl1Bp and has similarity to E. coli L1 and rat L10a ribosomal proteins; rpl1a rpl1b double null mutation is lethal 7270 S000006140 ORF Verified YPL219W PCL8 16 136749 138227 W Cyclin, interacts with Pho85p cyclin-dependent kinase (Cdk) to phosphorylate and regulate glycogen synthase, also activates Pho85p for Glc8p phosphorylation 7272 S000006139 ORF Verified YPL218W SAR1 16 138697 139408 W GTPase, GTP-binding protein of the ARF family, component of COPII coat of vesicles; required for transport vesicle formation during ER to Golgi protein transport 7275 S000036529 intron n.a. n.a. n.a. 16 138725 138863 W n.a. 7276 S000006138 ORF Verified YPL217C BMS1 16 143170 139619 C Essential conserved nucleolar GTP-binding protein required for synthesis of 40S ribosomal subunits and for processing of the 35S pre-rRNA at sites A0, A1, and A2; interacts with Rcl1p, has similarity to Tsr1p 7278 S000006137 ORF Uncharacterized YPL216W n.a. 16 143820 147128 W Hypothetical protein 7280 S000006136 ORF Verified YPL215W CBP3 16 147415 148422 W Protein required for assembly of ubiquinol cytochrome-c reductase complex (cytochrome bc1 complex); involved in cytochrome-c reductase assembly 7282 S000006135 ORF Verified YPL214C THI6 16 150190 148568 C Bifunctional enzyme with thiamine-phosphate pyrophosphorylase and 4-methyl-5-beta-hydroxyethylthiazole kinase activities, required for thiamine biosynthesis; GFP-fusion protein localizes to the cytoplasm in a punctate pattern 7284 S000006134 ORF Verified YPL213W LEA1 16 150613 151329 W Component of U2 snRNP; disruption causes reduced U2 snRNP levels; physically interacts with Msl1p; putative homolog of human U2A' snRNP protein 7286 S000006133 ORF Verified YPL212C PUS1 16 153148 151514 C tRNA:pseudouridine synthase, introduces pseudouridines at positions 26-28, 34-36, 65, and 67 of tRNA; nuclear protein that appears to be involved in tRNA export; also acts on U2 snRNA 7288 S000006132 ORF Verified YPL211W NIP7 16 153494 154039 W Nucleolar protein required for 60S ribosome subunit biogenesis, constituent of 66S pre-ribosomal particles; physically interacts with Nop8p and the exosome subunit Rrp43p 7290 S000006131 ORF Verified YPL210C SRP72 16 156211 154289 C Core component of the signal recognition particle (SRP) ribonucleoprotein (RNP) complex that functions in targeting nascent secretory proteins to the endoplasmic reticulum (ER) membrane 7292 S000006130 ORF Verified YPL209C IPL1 16 157592 156489 C Aurora kinase involved in regulating kinetochore-microtubule attachments, associates with Sli5p, which stimulates Ipl1p kinase activity and promotes its association with the mitotic spindle, potential Cdc28p substrate 7294 S000006129 ORF Uncharacterized YPL208W n.a. 16 157841 159592 W Hypothetical protein 7296 S000006128 ORF Uncharacterized YPL207W n.a. 16 159908 162340 W Hypothetical protein 7298 S000006127 ORF Uncharacterized YPL206C n.a. 16 163596 162631 C Endoplasmic reticulum protein of unknown function 7300 S000006126 ORF Dubious YPL205C n.a. 16 164265 163921 C Hypothetical protein 7302 S000006125 ORF Verified YPL204W HRR25 16 164275 165759 W Protein kinase involved in regulating diverse events including vesicular trafficking, gene expression, DNA repair, and chromosome segregation; binds the CTD of RNA pol II; homolog of mammalian casein kinase 1delta (CK1delta) 7304 S000006124 ORF Verified YPL203W TPK2 16 166255 167397 W Subunit of cytoplasmic cAMP-dependent protein kinase, which contains redundant catalytic subunits Tpk1p, Tpk2p, and Tpk3p and regulatory subunit Bcy1p; promotes vegetative growth in response to nutrients; activates filamentous growth 7306 S000006123 ORF Verified YPL202C AFT2 16 169337 168087 C Iron-regulated transcriptional activator, required for iron homeostasis and resistance to oxidative stress; similar to Aft1p 7308 S000006122 ORF Uncharacterized YPL201C n.a. 16 171154 169769 C Hypothetical protein 7310 S000006121 ORF Verified YPL200W CSM4 16 171483 171953 W Protein required for accurate chromosome segregation during meiosis 7312 S000006120 ORF Uncharacterized YPL199C n.a. 16 172754 172032 C Hypothetical protein 7314 S000006119 ORF Verified YPL198W RPL7B 16 173151 174701 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl7Ap and has similarity to E. coli L30 and rat L7 ribosomal proteins; contains a conserved C-terminal Nucleic acid Binding Domain (NDB2) 7318 S000031811 intron n.a. n.a. n.a. 16 173162 173570 W n.a. 7319 S000031812 intron n.a. n.a. n.a. 16 173665 174071 W n.a. 7320 S000006450 snoRNA n.a. snR59 SNR59 16 173826 173903 W small nucleolar RNA snR59 7322 S000006118 ORF Dubious YPL197C n.a. 16 174755 174342 C Hypothetical protein 7324 S000006117 ORF Verified YPL196W OXR1 16 175042 175863 W Protein of unknown function required for normal levels of resistance to oxidative damage, null mutants are sensitive to hydrogen peroxide; member of a conserved family of proteins found in eukaryotes but not in prokaryotes 7326 S000006116 ORF Verified YPL195W APL5 16 176222 179020 W Delta adaptin-like subunit of the clathrin associated protein complex (AP-3); functions in transport of alkaline phosphatase to the vacuole via the alternate pathway, suppressor of loss of casein kinase 1 function 7328 S000006115 ORF Verified YPL194W DDC1 16 179276 181114 W DNA damage checkpoint protein, part of a PCNA-like complex required for DNA damage response, required for pachytene checkpoint to inhibit cell cycle in response to unrepaired recombination intermediates; potential Cdc28p substrate 7330 S000006114 ORF Verified YPL193W RSA1 16 181402 182547 W Protein involved in the assembly of 60S ribosomal subunits; functionally interacts with Dbp6p; functions in a late nucleoplasmic step of the assembly 7332 S000006113 ORF Verified YPL192C PRM3 16 183055 182654 C Pheromone-regulated protein required for karyogamy; localizes to the inner membrane of the nuclear envelope 7334 S000006112 ORF Uncharacterized YPL191C n.a. 16 184678 183596 C Hypothetical protein 7336 S000006111 ORF Verified YPL190C NAB3 16 187724 185316 C Single stranded DNA binding protein; acidic ribonucleoprotein; required for termination of non-poly(A) transcripts and efficient splicing; interacts with Nrd1p 7338 S000028527 ORF Uncharacterized YPL189C-A n.a. 16 188512 188306 C Identified by homology to Ashbya gossypii 7340 S000006110 ORF Verified YPL189W GUP2 16 189153 190982 W Probable membrane protein with a possible role in proton symport of glycerol; member of the MBOAT family of putative membrane-bound O-acyltransferases; Gup1p homolog 7342 S000006109 ORF Verified YPL188W POS5 16 191405 192649 W Mitochondrial NADH kinase, phosphorylates NADH; also phosphorylates NAD(+) with lower specificity; required for the response to oxidative stress 7344 S000006108 ORF Verified YPL187W MF(ALPHA)1 16 193647 194144 W Mating pheromone alpha-factor, made by alpha cells; interacts with mating type a cells to induce cell cycle arrest and other responses leading to mating; also encoded by MF(ALPHA)2, although MF(ALPHA)1 produces most alpha-factor 7346 S000006106 ORF Dubious YPL185W n.a. 16 195252 195647 W Hypothetical protein 7348 S000006107 ORF Verified YPL186C UIP4 16 195425 194511 C Protein of unknown function that interacts with Ulp1p, a Ubl (ubiquitin-like protein)-specific protease for Smt3p protein conjugates 7350 S000006105 ORF Uncharacterized YPL184C n.a. 16 197787 195949 C Hypothetical protein 7352 S000007224 ORF Uncharacterized YPL183W-A n.a. 16 199094 199375 W Homolog of the prokaryotic ribosomal protein L36, likely to be a mitochondrial ribosomal protein coded in the nuclear genome 7354 S000006104 ORF Uncharacterized YPL183C n.a. 16 202535 199494 C Hypothetical protein 7356 S000006102 ORF Verified YPL181W CTI6 16 203420 204940 W Protein that relieves transcriptional repression by binding to the Cyc8p-Tup1p corepressor and recruiting the SAGA complex to the repressed promoter; contains a PHD finger domain 7358 S000006103 ORF Dubious YPL182C n.a. 16 203688 203305 C Hypothetical protein 7360 S000006101 ORF Verified YPL180W TCO89 16 205247 207646 W Subunit of TORC1 (Tor1p or Tor2p-Kog1p-Lst8p-Tco89p), a complex that regulates growth in response to nutrient availability; cooperates with Ssd1p in the maintenance of cellular integrity; deletion strains are hypersensitive to rapamycin 7362 S000006100 ORF Verified YPL179W PPQ1 16 208156 209805 W Putative protein serine/threonine phosphatase; null mutation enhances efficiency of translational suppressors 7364 S000006561 tRNA n.a. tE(UUC)P n.a. 16 210262 210191 C tRNA-Glu 7368 S000006099 ORF Verified YPL178W CBC2 16 212157 212783 W Small subunit of the heterodimeric cap binding complex that also contains Sto1p, component of the spliceosomal commitment complex; interacts with Npl3p, possibly to package mRNA for export from the nucleus; contains an RNA-binding motif 7370 S000006098 ORF Verified YPL177C CUP9 16 213961 213041 C Homeodomain-containing transcriptional repressor of PTR2, which encodes a major peptide transporter; imported peptides activate ubiquitin-dependent proteolysis, resulting in degradation of Cup9p and de-repression of PTR2 transcription 7372 S000006097 ORF Uncharacterized YPL176C n.a. 16 218362 216011 C Plasma membrane localized protein of unknown function; contains sequence similarity to the transferrin receptor 7374 S000006096 ORF Verified YPL175W SPT14 16 218629 220087 W UDP-GlcNAc-binding and catalytic subunit of the enzyme that mediates the first step in glycosylphosphatidylinositol (GPI) biosynthesis, mutations cause defects in transcription and in biogenesis of cell wall proteins 7377 S000032482 intron n.a. n.a. n.a. 16 218646 218745 W n.a. 7378 S000006095 ORF Verified YPL174C NIP100 16 222772 220166 C Large subunit of the dynactin complex, which is involved in partitioning the mitotic spindle between mother and daughter cells; putative ortholog of mammalian p150(glued) 7380 S000006094 ORF Verified YPL173W MRPL40 16 223142 224035 W Mitochondrial ribosomal protein of the large subunit 7382 S000006093 ORF Verified YPL172C COX10 16 225740 224352 C Heme A:farnesyltransferase, catalyzes the first step in the conversion of protoheme to the heme A prosthetic group required for cytochrome c oxidase activity; human ortholog is associated with mitochondrial disorders 7384 S000006092 ORF Verified YPL171C OYE3 16 227370 226168 C Widely conserved NADPH oxidoreductase containing flavin mononucleotide (FMN), homologous to Oye2p with slight differences in ligand binding and catalytic properties; may be involved in sterol metabolism 7386 S000006091 ORF Verified YPL170W DAP1 16 228313 228771 W Heme-binding protein involved in regulation of cytochrome P450 protein Erg11p; damage response protein, related to mammalian membrane progesterone receptors; mutations lead to defects in telomeres, mitochondria, and sterol synthesis 7388 S000006090 ORF Verified YPL169C MEX67 16 230837 229038 C Poly(A)RNA binding protein involved in nuclear mRNA export, component of the nuclear pore; ortholog of human TAP 7390 S000006089 ORF Uncharacterized YPL168W n.a. 16 231216 232508 W Hypothetical protein 7392 S000006088 ORF Verified YPL167C REV3 16 237106 232592 C Subunit of DNA polymerase zeta, which is involved in DNA repair; required for mutagenesis induced by DNA damage 7394 S000006087 ORF Uncharacterized YPL166W n.a. 16 237337 237978 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 7396 S000006086 ORF Verified YPL165C SET6 16 239076 237955 C Protein of unknown function; deletion heterozygote is sensitive to compounds that target ergosterol biosynthesis, may be involved in compound availability 7398 S000006085 ORF Verified YPL164C MLH3 16 241496 239349 C Protein involved in DNA mismatch repair; forms a complex with Mlh1p to promote meiotic crossing-over; mammalian homolog is implicated mammalian microsatellite instability 7400 S000006084 ORF Verified YPL163C SVS1 16 242699 241917 C Cell wall and vacuolar protein, required for wild-type resistance to vanadate 7402 S000006083 ORF Uncharacterized YPL162C n.a. 16 244026 243205 C Hypothetical protein 7404 S000006082 ORF Verified YPL161C BEM4 16 246219 244318 C Protein involved in establishment of cell polarity and bud emergence; interacts with the Rho1p small GTP-binding protein and with the Rho-type GTPase Cdc42p 7406 S000006081 ORF Verified YPL160W CDC60 16 246989 250261 W Cytosolic leucyl tRNA synthetase, ligates leucine to the appropriate tRNA 7408 S000006080 ORF Uncharacterized YPL159C PET20 16 251667 250906 C Protein required for respiratory growth and stability of the mitochondrial genome 7410 S000006079 ORF Uncharacterized YPL158C n.a. 16 254309 252033 C Hypothetical protein 7412 S000006078 ORF Verified YPL157W TGS1 16 254813 255760 W Trimethyl guanosine synthase, conserved nucleolar methyl transferase responsible for conversion of the m(7)G cap structure of snRNAs and snoRNAs to m(2,2,7)G; also required for ribosome synthesis and nucleolar morphology 7414 S000006077 ORF Verified YPL156C PRM4 16 256766 255912 C Pheromone-regulated protein, predicted to have 1 transmembrane segment; transcriptionally regulated by Ste12p during mating and by Cat8p during the diauxic shift 7416 S000006076 ORF Verified YPL155C KIP2 16 259335 257215 C Kinesin-related motor protein involved in mitotic spindle positioning 7418 S000006075 ORF Verified YPL154C PEP4 16 260930 259713 C Vacuolar aspartyl protease (proteinase A), required for the posttranslational precursor maturation of vacuolar proteinases; synthesized as a zymogen, self-activates 7420 S000006074 ORF Verified YPL153C RAD53 16 264191 261726 C Protein kinase, required for cell-cycle arrest in response to DNA damage; activated by trans autophosphorylation when interacting with hyperphosphorylated Rad9p 7422 S000028721 ORF Uncharacterized YPL152W-A n.a. 16 264601 264699 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 7424 S000006073 ORF Verified YPL152W RRD2 16 265027 266103 W Activator of the phosphotyrosyl phosphatase activity of PP2A; regulates G1 phase progression, the osmoresponse and microtubule dynamics; implicated in the spindle assembly check; subunit of the Tap42p-Pph21p-Rrd2p complex 7426 S000006072 ORF Verified YPL151C PRP46 16 267534 266179 C Splicing factor that is found in the Cef1p subcomplex of the spliceosome 7428 S000006071 ORF Uncharacterized YPL150W n.a. 16 268187 270892 W Hypothetical protein 7430 S000006070 ORF Verified YPL149W ATG5 16 271309 272193 W Conserved autophagy-related protein that undergoes conjugation with Atg12p and then associates with Atg16p to form a cytosolic complex essential for autophagosome formation 7432 S000006069 ORF Verified YPL148C PPT2 16 272814 272293 C Phosphopantetheine:protein transferase (PPTase), activates mitochondrial acyl carrier protein (Acp1p) by phosphopantetheinylation 7434 S000006068 ORF Verified YPL147W PXA1 16 273254 275866 W Subunit of a heterodimeric peroxisomal ATP-binding cassette transporter complex (Pxa1p-Pxa2p), required for import of long-chain fatty acids into peroxisomes; similarity to human adrenoleukodystrophy transporter and ALD-related proteins 7436 S000006067 ORF Verified YPL146C NOP53 16 277528 276161 C Nucleolar protein; involved in biogenesis of the 60S subunit of the ribosome; interacts with rRNA processing factors Cbf5p and Nop2p; null mutant is viable but growth is severely impaired 7438 S000006066 ORF Verified YPL145C KES1 16 279698 278394 C Member of the oxysterol binding protein family, which includes seven yeast homologs; involved in negative regulation of Sec14p-dependent Golgi complex secretory functions, peripheral membrane protein that localizes to the Golgi complex 7440 S000006065 ORF Uncharacterized YPL144W n.a. 16 280479 280925 W Hypothetical protein 7442 S000007441 snoRNA n.a. snR17b SNR17B 16 281516 281055 C encodes snoRNA U3, SNR17A also encodes snoRNA U3; part of small (ribosomal) subunit (SSU) processosome (contains U3 snoRNA); encodes snoRNA U3, SNR17A also encodes snoRNA U3 7443 S000030181 intron n.a. n.a. n.a. 16 281502 281373 C n.a. 7446 S000006064 ORF Verified YPL143W RPL33A 16 282121 282969 W N-terminally acetylated ribosomal protein L37 of the large (60S) ribosomal subunit, nearly identical to Rpl33Bp and has similarity to rat L35a; rpl33a null mutant exhibits slow growth while rpl33a rpl33b double null mutant is inviable 7449 S000035519 intron n.a. n.a. n.a. 16 282140 282664 W n.a. 7450 S000006063 ORF Dubious YPL142C n.a. 16 283002 282685 C Protein required for cell viability 7452 S000006062 ORF Uncharacterized YPL141C n.a. 16 286060 283463 C Hypothetical protein 7454 S000006061 ORF Verified YPL140C MKK2 16 289033 287513 C Mitogen-activated kinase kinase involved in protein kinase C signaling pathway that controls cell integrity; upon activation by Bck1p phosphorylates downstream target, Slt2p; functionally redundant with Mkk1p 7456 S000006060 ORF Verified YPL139C UME1 16 291050 289668 C Negative regulator of meiosis, required for repression of a subset of meiotic genes during vegetative growth, binding of histone deacetylase Rpd3p required for activity, contains a NEE box and a WD repeat motif; homologous with Wtm1p, Wtm2p 7458 S000006059 ORF Verified YPL138C SPP1 16 292426 291365 C Subunit of COMPASS (Set1C), a complex which methylates Rad6p ubiquitinated histone H3 on lysine 4 and is required in telomeric transcriptional silencing; PHD finger domain protein similar to human CGBP, an unmethylated CpG binding protein 7460 S000006057 ORF Dubious YPL136W n.a. 16 296285 296653 W Hypothetical protein 7462 S000006058 ORF Uncharacterized YPL137C n.a. 16 296646 292816 C Glc7-interacting protein whose overexpression relocalizes Glc7p from the nucleus 7464 S000006056 ORF Verified YPL135W ISU1 16 297552 298049 W Conserved protein of the mitochondrial matrix, performs a scaffolding function during assembly of iron-sulfur clusters, interacts physically and functionally with yeast frataxin (Yfh1p); isu1 isu2 double mutant is inviable 7466 S000028720 ORF Dubious YPL135C-A n.a. 16 297850 297677 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 7468 S000006055 ORF Verified YPL134C ODC1 16 299502 298570 C Mitochondrial inner membrane transporter, exports 2-oxoadipate and 2-oxoglutarate from the mitochondrial matrix to the cytosol for use in lysine and glutamate biosynthesis and in lysine catabolism 7470 S000006054 ORF Verified YPL133C RDS2 16 301227 299887 C Zinc cluster protein involved in conferring resistance to ketoconazole 7472 S000006053 ORF Verified YPL132W COX11 16 301715 302617 W Mitochondrial inner membrane protein required for delivery of copper to the Cox1p subunit of cytochrome c oxidase; association with mitochondrial ribosomes suggests that copper delivery may occur during translation of Cox1p 7474 S000006052 ORF Verified YPL131W RPL5 16 303120 304013 W Protein component of the large (60S) ribosomal subunit with similarity to E. coli L18 and rat L5 ribosomal proteins; binds 5S rRNA and is required for 60S subunit assembly 7476 S000006051 ORF Verified YPL130W SPO19 16 304386 305057 W Meiosis-specific protein of unknown function, involved in completion of nuclear divisions; identified as a weak high-copy suppressor of the spo1-1 ts mutation; putative GPI-dependent cell-wall protein 7478 S000006050 ORF Verified YPL129W TAF14 16 305297 306136 W Subunit (30 kDa) of TFIID, TFIIF, and SWI/SNF complexes, involved in RNA polymerase II transcription initiation and in chromatin modification, contains a YEATS domain 7481 S000031308 intron n.a. n.a. n.a. 16 305306 305410 W n.a. 7482 S000006049 ORF Verified YPL128C TBF1 16 308220 306532 C Telobox-containing general regulatory factor; binds to TTAGGG repeats within subtelomeric anti-silencing regions (STARs) and possibly throughout the genome and mediates their insulating capacity by blocking silent chromatin propagation 7484 S000006048 ORF Verified YPL127C HHO1 16 309603 308827 C Histone H1, a linker histone required for nucleosome packaging at restricted sites; suppresses DNA repair involving homologous recombination; not required for telomeric silencing, basal transcriptional repression, or efficient sporulation 7486 S000006047 ORF Verified YPL126W NAN1 16 310209 312899 W U3 snoRNP protein, component of the small (ribosomal) subunit (SSU) processosome containing U3 snoRNA; required for the biogenesis of18S rRNA 7488 S000006046 ORF Verified YPL125W KAP120 16 313387 316485 W Karyopherin with a role in the assembly or export of 60S ribosomal subunits 7490 S000006045 ORF Verified YPL124W SPC29 16 316754 317515 W Inner plaque spindle pole body (SPB) component, links the central plaque component Spc42p to the inner plaque component Spc110p; required for SPB duplication 7492 S000006044 ORF Verified YPL123C RNY1 16 318944 317640 C RNAse; member of the T(2) family of endoribonucleases 7494 S000006043 ORF Verified YPL122C TFB2 16 320766 319225 C Subunit of TFIIH and nucleotide excision repair factor 3 complexes, involved in transcription initiation, required for nucleotide excision repair, similar to 52 kDa subunit of human TFIIH 7496 S000006042 ORF Verified YPL121C MEI5 16 321629 320961 C Meiosis specific protein involved in DMC1-dependent meiotic recombination, forms heterodimer with Sae3p; proposed to be an assembly factor for Dmc1p 7498 S000006041 ORF Verified YPL120W VPS30 16 322070 323743 W Protein that forms a membrane-associated complex with Apg14p that is essential for autophagy; involved in a retrieval step of the carboxypeptidase Y receptor, Vps10p, to the late Golgi from the endosome; involved in vacuolar protein sorting 7500 S000028859 ORF Uncharacterized YPL119C-A n.a. 16 324286 324023 C Identified by expression profiling and mass spectrometry 7502 S000006040 ORF Verified YPL119C DBP1 16 326263 324410 C Putative ATP-dependent RNA helicase of the DEAD-box protein family; mutants show reduced stability of the 40S ribosomal subunit scanning through 5' untranslated regions of mRNAs 7504 S000006039 ORF Verified YPL118W MRP51 16 326627 327661 W Mitochondrial ribosomal protein of the large subunit; MRP51 exhibits genetic interactions with mutations in the COX2 and COX3 mRNA 5'-untranslated leader sequences 7506 S000006038 ORF Verified YPL117C IDI1 16 328729 327863 C Isopentenyl diphosphate:dimethylallyl diphosphate isomerase (IPP isomerase), catalyzes an essential activation step in the isoprenoid biosynthetic pathway; required for viability 7508 S000006037 ORF Verified YPL116W HOS3 16 329605 331698 W Trichostatin A-insensitive homodimeric histone deacetylase (HDAC) with specificity in vitro for histones H3, H4, H2A, and H2B; similar to Hda1p, Rpd3p, Hos1p, and Hos2p; deletion results in increased histone acetylation at rDNA repeats 7510 S000006036 ORF Verified YPL115C BEM3 16 335485 332099 C Rho GTPase activating protein (RhoGAP) involved in control of the cytoskeleton organization; targets the essential Rho-GTPase Cdc42p, which controls establishment and maintenance of cell polarity, including bud-site assembly 7512 S000006035 ORF Dubious YPL114W n.a. 16 335947 336366 W Hypothetical protein 7514 S000006034 ORF Uncharacterized YPL113C n.a. 16 337142 335952 C Putative dehydrogenase 7516 S000006033 ORF Verified YPL112C PEX25 16 338619 337435 C Peripheral peroxisomal membrane peroxin required for the regulation of peroxisome size and maintenance, recruits GTPase Rho1p to peroxisomes, induced by oleate, interacts with homologous protein Pex27p 7518 S000006667 tRNA n.a. tM(CAU)P IMT2 16 338918 338847 C Initiator methionine tRNA, tRNA(IMet), one of four initiator methionine tRNA genes in yeast that are functional for translation 7520 S000006032 ORF Verified YPL111W CAR1 16 339943 340944 W Arginase, responsible for arginine degradation, expression responds to both induction by arginine and nitrogen catabolite repression; disruption enhances freeze tolerance 7522 S000006031 ORF Uncharacterized YPL110C n.a. 16 344738 341067 C Hypothetical protein 7524 S000006030 ORF Uncharacterized YPL109C n.a. 16 347388 345263 C Hypothetical protein 7527 S000032180 intron n.a. n.a. n.a. 16 345595 345444 C n.a. 7528 S000006029 ORF Uncharacterized YPL108W n.a. 16 348443 348949 W Hypothetical protein 7530 S000006028 ORF Uncharacterized YPL107W n.a. 16 349116 349862 W Hypothetical protein 7532 S000006027 ORF Verified YPL106C SSE1 16 352272 350191 C ATPase that is a component of the heat shock protein Hsp90 chaperone complex; binds unfolded proteins; member of the heat shock protein 70 (HSP70) family; localized to the cytoplasm 7534 S000006026 ORF Uncharacterized YPL105C n.a. 16 355409 352860 C Hypothetical protein 7536 S000006025 ORF Verified YPL104W MSD1 16 355697 357673 W Mitochondrial aspartyl-tRNA synthetase, required for acylation of aspartyl-tRNA; yeast and bacterial aspartyl-, asparaginyl-, and lysyl-tRNA synthetases contain regions with high sequence similarity, suggesting a common ancestral gene 7538 S000006024 ORF Uncharacterized YPL103C n.a. 16 359403 357997 C The authentic, non-tagged protein was localized to the mitochondria 7540 S000006022 ORF Verified YPL101W ELP4 16 360206 361576 W Elongator protein, part of the HAP subcomplex of Elongator, which is a six-subunit component of the RNA polymerase II holoenzyme; required for Elongator structural integrity and histone acetyltransferase activity 7542 S000006023 ORF Dubious YPL102C n.a. 16 360302 360000 C Dubious open reading frame, not conserved in closely related Saccharomyces species; deletion mutation enhances replication of Brome mosaic virus in S. cerevisiae, but this is likely due to effects on the overlapping gene ELP4 7544 S000006021 ORF Verified YPL100W ATG21 16 361869 363359 W Phosphatidylinositol 3,5-bisphosphate-binding protein required for maturation of pro-aminopeptidase I, predicted to fold as a seven-bladed beta-propeller; displays punctate cytoplasmic localization 7546 S000006020 ORF Uncharacterized YPL099C n.a. 16 364065 363517 C The authentic, non-tagged protein was localized to the mitochondria 7548 S000006019 ORF Uncharacterized YPL098C n.a. 16 364724 364383 C Hypothetical protein 7550 S000006018 ORF Verified YPL097W MSY1 16 364949 366427 W Mitochondrial tyrosyl-tRNA synthetase 7552 S000028423 ORF Verified YPL096C-A ERI1 16 366732 366526 C Endoplasmic reticulum membrane protein that binds to and inhibits GTP-bound Ras2p at the ER; component of the GPI-GnT complex which catalyzes the first step in GPI-anchor biosynthesis 7554 S000006017 ORF Verified YPL096W PNG1 16 366924 368015 W Conserved peptide N-glycanase required for deglycosylation of misfolded glycoproteins during proteasome-dependent degradation, localizes to the cytoplasm and nucleus, interacts with the DNA repair protein Rad23p 7556 S000006016 ORF Uncharacterized YPL095C n.a. 16 369438 368068 C Acyl-coenzymeA:ethanol O-acyltransferase responsible for the major part of short-chain fatty acid ethyl ester production during fermentation 7558 S000006015 ORF Verified YPL094C SEC62 16 370660 369836 C Essential subunit of Sec63 complex (Sec63p, Sec62p, Sec66p and Sec72p); with Sec61 complex, Kar2p/BiP and Lhs1p forms a channel competent for SRP-dependent and post-translational SRP-independent protein targeting and import into the ER 7560 S000006014 ORF Verified YPL093W NOG1 16 370975 372918 W Putative GTPase that associates with free 60S ribosomal subunits in the nucleolus and is required for 60S ribosomal subunit biogenesis; constituent of 66S pre-ribosomal particles; member of the ODN family of nucleolar G-proteins 7562 S000006013 ORF Verified YPL092W SSU1 16 373790 375166 W Plasma membrane sulfite pump involved in sulfite metabolism and required for efficient sulfite efflux; major facilitator superfamily protein 7564 S000006012 ORF Verified YPL091W GLR1 16 375499 376950 W Cytosolic and mitochondrial glutathione oxidoreductase, converts oxidized glutathione to reduced glutathione 7566 S000006011 ORF Verified YPL090C RPS6A 16 378392 377288 C Protein component of the small (40S) ribosomal subunit; identical to Rps6Bp and has similarity to rat S6 ribosomal protein 7569 S000035036 intron n.a. n.a. n.a. 16 378386 377993 C n.a. 7570 S000006010 ORF Verified YPL089C RLM1 16 381147 379117 C MADS-box transcription factor, component of the protein kinase C-mediated MAP kinase pathway involved in the maintenance of cell integrity; phosphorylated and activated by the MAP-kinase Slt2p 7572 S000006009 ORF Uncharacterized YPL088W n.a. 16 381962 382990 W Putative aryl alcohol dehydrogenase; transcription is activated by paralogous transcription factors Yrm1p and Yrr1p along with genes involved in multidrug resistance 7574 S000006008 ORF Verified YPL087W YDC1 16 383452 384405 W Alkaline dihydroceramidase, involved in sphingolipid metabolism; preferentially hydrolyzes dihydroceramide to a free fatty acid and dihydrosphingosine; has a minor reverse activity 7576 S000006007 ORF Verified YPL086C ELP3 16 386443 384770 C Histone acetyltransferase subunit of the Elongator complex, which is a component of the RNA polymerase II holoenzyme; activity is directed specifically towards histones H3 and H4; disruption confers resistance to K. lactis zymotoxin 7578 S000006006 ORF Verified YPL085W SEC16 16 387064 393651 W COPII vesicle coat protein required for ER transport vesicle budding and autophagosome formation; Sec16p is bound to the periphery of ER membranes and may act to stabilize initial COPII complexes; interacts with Sec23p, Sec24p and Sec31p 7580 S000006005 ORF Verified YPL084W BRO1 16 394035 396569 W Cytoplasmic class E vacuolar protein sorting (VPS) factor that coordinates deubiquitination in the multivesicular body (MVB) pathway by recruiting Doa4p to endosomes 7582 S000006004 ORF Verified YPL083C SEN54 16 398102 396699 C Subunit of the tRNA splicing endonuclease, which is composed of Sen2p, Sen15p, Sen34p, and Sen54p 7584 S000006003 ORF Verified YPL082C MOT1 16 404080 398477 C Essential abundant protein involved in regulation of transcription, removes Spt15p (TBP) from DNA via its C-terminal ATPase activity, forms a complex with TBP that binds TATA DNA with high affinity but with altered specificity 7586 S000006002 ORF Verified YPL081W RPS9A 16 404947 406041 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps9Ap and has similarity to E. coli S4 and rat S9 ribosomal proteins 7589 S000032633 intron n.a. n.a. n.a. 16 404954 405454 W n.a. 7590 S000006001 ORF Dubious YPL080C n.a. 16 406495 406169 C Hypothetical protein 7592 S000006000 ORF Verified YPL079W RPL21B 16 406633 407536 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl21Ap and has similarity to rat L21 ribosomal protein 7595 S000031937 intron n.a. n.a. n.a. 16 406644 407064 W n.a. 7596 S000005999 ORF Verified YPL078C ATP4 16 408741 408007 C Subunit b of the stator stalk of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 7598 S000005998 ORF Uncharacterized YPL077C n.a. 16 410087 409365 C Hypothetical protein 7600 S000005997 ORF Verified YPL076W GPI2 16 410440 411282 W Protein involved in the synthesis of N-acetylglucosaminyl phosphatidylinositol (GlcNAc-PI), the first intermediate in the synthesis of glycosylphosphatidylinositol (GPI) anchors; homologous to the human PIG-C protein 7602 S000005996 ORF Verified YPL075W GCR1 16 412251 415359 W Transcriptional activator of genes involved in glycolysis; DNA-binding protein that interacts and functions with the transcriptional activator Gcr2p 7605 S000036780 intron n.a. n.a. n.a. 16 412259 413009 W n.a. 7606 S000005995 ORF Verified YPL074W YTA6 16 415760 418024 W Putative ATPase of the CDC48/PAS1/SEC18 (AAA) family, localized to the cortex of mother cells but not to daughter cells 7608 S000005993 ORF Verified YPL072W UBP16 16 418509 420008 W Putative ubiquitin-specific protease 7610 S000005994 ORF Dubious YPL073C n.a. 16 418981 418496 C Hypothetical protein 7612 S000005992 ORF Uncharacterized YPL071C n.a. 16 420515 420045 C Hypothetical protein 7614 S000005991 ORF Uncharacterized YPL070W MUK1 16 420945 422783 W Protein of unknown function, localized to the cytoplasm; computational analysis of large-scale protein-protein interaction data suggests a possible role in transcriptional regulation 7616 S000005990 ORF Verified YPL069C BTS1 16 423889 422882 C Geranylgeranyl diphosphate synthase, increases the intracellular pool of geranylgeranyl diphosphate, suppressor of bet2 mutation that causes defective geranylgeranylation of small GTP-binding proteins that mediate vesicular traffic 7618 S000005989 ORF Uncharacterized YPL068C n.a. 16 425093 424212 C Hypothetical protein 7620 S000005988 ORF Uncharacterized YPL067C n.a. 16 425844 425248 C Hypothetical protein 7622 S000005987 ORF Uncharacterized YPL066W n.a. 16 426230 427669 W Hypothetical protein 7624 S000005986 ORF Verified YPL065W VPS28 16 427924 428652 W Component of the ESCRT-I complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome; involved in transport of precursors for soluble vacuolar hydrolases from the late endosome to the vacuole 7626 S000005985 ORF Verified YPL064C CWC27 16 429613 428708 C Component of a complex containing Cef1p, putatively involved in pre-mRNA splicing; has similarity to S. pombe Cwf27p 7628 S000005984 ORF Verified YPL063W TIM50 16 429936 431366 W Constituent of the mitochondrial inner membrane presequence translocase (TIM23 complex); may promote binding of incoming precursor proteins to the intermembrane space domain of Tom22p during translocation 7630 S000005983 ORF Dubious YPL062W n.a. 16 431892 432296 W Hypothetical protein 7632 S000005982 ORF Verified YPL061W ALD6 16 432585 434087 W Cytosolic aldehyde dehydrogenase that is activated by Mg2+ and utilizes NADP+ as the preferred coenzyme; required for the conversion of acetaldehyde to acetate; constitutively expressed 7634 S000005981 ORF Verified YPL060W LPE10 16 434520 435761 W Mitochondrial inner membrane magnesium transporter, involved in maintenance of magnesium concentrations inside mitochondria; indirectly affects splicing of group II introns; functionally and structurally related to Mrs2p 7636 S000006528 tRNA n.a. tC(GCA)P1 n.a. 16 435961 435890 C tRNA-Cys 7646 S000005980 ORF Verified YPL059W GRX5 16 444576 445028 W Hydroperoxide and superoxide-radical responsive glutathione-dependent oxidoreductase; mitochondrial matrix protein involved in the synthesis/assembly of iron-sulfur centers; monothiol glutaredoxin subfamily member along with Grx3p and Grx4p 7648 S000005979 ORF Verified YPL058C PDR12 16 450374 445839 C Plasma membrane weak-acid-inducible ATP-binding cassette (ABC) transporter, required for weak organic acid resistance, strongly induced by sorbate and benzoate, regulated by War1p, mutants exhibit sorbate hypersensitivity 7650 S000005978 ORF Verified YPL057C SUR1 16 453054 451906 C Probable catalytic subunit of a mannosylinositol phosphorylceramide (MIPC) synthase, forms a complex with probable regulatory subunit Csg2p; function in sphingolipid biosynthesis is overlapping with that of Csh1p 7652 S000005977 ORF Uncharacterized YPL056C n.a. 16 453732 453427 C Hypothetical protein 7654 S000005976 ORF Verified YPL055C LGE1 16 454987 453989 C Protein of unknown function; null mutant forms abnormally large cells 7656 S000005975 ORF Verified YPL054W LEE1 16 455756 456661 W Zinc-finger protein of unknown function 7658 S000005974 ORF Verified YPL053C KTR6 16 458455 457115 C Probable mannosylphosphate transferase involved in the synthesis of core oligosaccharides in protein glycosylation pathway; member of the KRE2/MNT1 mannosyltransferase family 7660 S000005973 ORF Verified YPL052W OAZ1 16 459070 459675 W Regulator of ornithine decarboxylase (Spe1p), antizyme that binds to Spe1p to regulate ubiquitin-independent degradation; ribosomal frameshifting during synthesis of Oaz1p and its ubiquitin-mediated degradation are both polyamine-regulated 7662 S000005972 ORF Verified YPL051W ARL3 16 459960 460556 W GTPase of the Ras superfamily required to recruit Arl1p to the Golgi; similar to ADP-ribosylation factor 7664 S000005971 ORF Verified YPL050C MNN9 16 461963 460776 C Subunit of Golgi mannosyltransferase complex also containing Anp1p, Mnn10p, Mnn11p, and Hoc1p that mediates elongation of the polysaccharide mannan backbone; forms a separate complex with Van1p that is also involved in backbone elongation 7666 S000005970 ORF Verified YPL049C DIG1 16 463836 462478 C Regulatory protein of unknown function, constitutively-expressed, involved in the regulation of mating-specific genes and the invasive growth pathway, required for MAP-kinase imposed repression, inhibits pheromone-responsive transcription 7668 S000005969 ORF Verified YPL048W CAM1 16 464398 465645 W Translational cofactor elongation factor-1 gamma, participates in the regulation of GTP-binding protein EF-1 alpha, may play a redundant role in the regulation of protein synthesis or another GTP-dependent process 7670 S000005968 ORF Verified YPL047W SGF11 16 465959 466258 W Integral subunit of SAGA histone acetyltransferase complex, regulates transcription of a subset of SAGA-regulated genes, required for the Ubp8p association with SAGA and for H2B deubiquitylation 7672 S000005967 ORF Verified YPL046C ELC1 16 466940 466641 C Elongin C, forms heterodimer with Ela1p that participates in transcription elongation; expression dramatically upregulated during sporulation; widely conserved among eukaryotes 7674 S000005966 ORF Verified YPL045W VPS16 16 467257 469653 W Subunit of the homotypic vacuole fusion and vacuole protein sorting (HOPS) complex; part of the Class C Vps complex essential for membrane docking and fusion at both the Golgi-to-endosome and endosome-to-vacuole stages of protein transport 7676 S000005964 ORF Verified YPL043W NOP4 16 469936 471993 W Nucleolar protein, essential for processing and maturation of 27S pre-rRNA and large ribosomal subunit biogenesis; constituent of 66S pre-ribosomal particles; contains four RNA recognition motifs (RRMs) 7678 S000005965 ORF Dubious YPL044C n.a. 16 470471 469923 C Protein required for cell viability 7680 S000005963 ORF Verified YPL042C SSN3 16 474704 473037 C Component of RNA polymerase II holoenzyme, involved in RNA pol II carboxy-terminal domain phosphorylation 7682 S000005962 ORF Uncharacterized YPL041C n.a. 16 475738 475115 C Hypothetical protein 7684 S000005961 ORF Verified YPL040C ISM1 16 478998 475990 C Mitochondrial isoleucyl-tRNA synthetase, null mutant is deficient in respiratory growth 7686 S000005960 ORF Uncharacterized YPL039W n.a. 16 479222 480172 W Hypothetical protein 7688 S000028588 ORF Uncharacterized YPL038W-A n.a. 16 480179 480370 W Identified by fungal homology and RT-PCR 7690 S000005959 ORF Verified YPL038W MET31 16 480532 481065 W Zinc-finger DNA-binding protein, involved in regulating expression of the methionine biosynthetic genes, similar to Met32p 7692 S000005958 ORF Verified YPL037C EGD1 16 481898 481425 C Subunit beta1 of the nascent polypeptide-associated complex (NAC) involved in protein targeting, associated with cytoplasmic ribosomes; enhances DNA binding of the Gal4p activator; homolog of human BTF3b 7694 S000005957 ORF Verified YPL036W PMA2 16 482841 485684 W Plasma membrane H+-ATPase, isoform of Pma1p, involved in pumping protons out of the cell; regulator of cytoplasmic pH and plasma membrane potential 7696 S000005955 ORF Uncharacterized YPL034W n.a. 16 486710 487207 W Hypothetical protein 7698 S000005956 ORF Dubious YPL035C n.a. 16 486909 486562 C Hypothetical protein 7700 S000005954 ORF Uncharacterized YPL033C n.a. 16 488205 487360 C Hypothetical protein 7702 S000005953 ORF Verified YPL032C SVL3 16 491362 488885 C Protein of unknown function, mutant phenotype suggests a potential role in vacuolar function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, bud, and bud neck 7704 S000005952 ORF Verified YPL031C PHO85 16 493035 492016 C Cyclin-dependent kinase, with ten cyclin partners; involved in environmental stress response; in phosphate-rich conditions, Pho85p-Pho80p complex phosphorylates Pho4p which in turn represses PHO5 7707 S000029950 intron n.a. n.a. n.a. 16 493018 492917 C n.a. 7708 S000005951 ORF Uncharacterized YPL030W n.a. 16 493541 495244 W Hypothetical protein 7710 S000005950 ORF Verified YPL029W SUV3 16 495504 497717 W ATP-dependent RNA helicase, component of the mitochondrial degradosome along with the RNase Msu1p; the degradosome associates with the ribosome and mediates turnover of aberrant or unprocessed RNAs 7712 S000005949 ORF Verified YPL028W ERG10 16 498094 499290 W Acetyl-CoA C-acetyltransferase (acetoacetyl-CoA thiolase), cytosolic enzyme that transfers an acetyl group from one acetyl-CoA molecule to another, forming acetoacetyl-CoA; involved in the first step in mevalonate biosynthesis 7714 S000005948 ORF Verified YPL027W SMA1 16 499663 500400 W Protein of unknown function involved in the assembly of the prospore membrane during sporulation 7716 S000005947 ORF Verified YPL026C SKS1 16 502181 500673 C Putative serine/threonine protein kinase; involved in the adaptation to low concentrations of glucose independent of the SNF3 regulated pathway 7718 S000005946 ORF Dubious YPL025C n.a. 16 503028 502471 C Hypothetical protein 7720 S000005945 ORF Verified YPL024W RMI1 16 503515 504240 W Involved in response to DNA damage; null mutants have increased rates of recombination and delayed S phase; interacts physically and genetically with Sgs1p (RecQ family member) and Top3p (topoisomerase III) 7722 S000005944 ORF Verified YPL023C MET12 16 506310 504337 C Isozyme of methylenetetrahydrofolate reductase, catalyzes the reduction of 5,10-methylenetetrahydrofolate to 5-methyltetrahydrofolate in the methionine biosynthesis pathway 7724 S000005943 ORF Verified YPL022W RAD1 16 506695 509997 W Single-stranded DNA endonuclease (with Rad10p), cleaves single-stranded DNA during nucleotide excision repair and double-strand break repair; subunit of Nucleotide Excision Repair Factor 1 (NEF1); homolog of human ERCC1 protein 7726 S000005942 ORF Verified YPL021W ECM23 16 511099 511662 W Non-essential protein of unconfirmed function; affects pre-rRNA processing, may act as a negative regulator of the transcription of genes involved in pseudohyphal growth; homologous to Srd1p 7728 S000005941 ORF Verified YPL020C ULP1 16 514176 512311 C Ubl (ubiquitin-like protein)-specific protease that cleaves Smt3p protein conjugates; specifically required for cell cycle progression; associates with nucleoporins and may interact with septin rings during telophase 7730 S000005940 ORF Verified YPL019C VTC3 16 517016 514509 C Phosphate metabolism; transcription is regulated by PHO system; polyphosphate synthetase (putative) 7732 S000005939 ORF Verified YPL018W CTF19 16 517649 518758 W Outer kinetochore protein, required for accurate mitotic chromosome segregation; forms a complex with Mcm21p and Okp1p that binds to centromeres via the CBF3 complex 7734 S000005938 ORF Uncharacterized YPL017C n.a. 16 520231 518732 C Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 7736 S000005937 ORF Verified YPL016W SWI1 16 521011 524955 W One of 11 subunits of the SWI/SNF chromatin remodeling complex that regulates transcription by remodeling chromosomes; required for transcription of many genes, including ADH1, ADH2, GAL1, HO, INO1 and SUC2 7738 S000005936 ORF Verified YPL015C HST2 16 526880 525807 C Cytoplasmic member of the silencing information regulator 2 (Sir2) family of NAD(+)-dependent protein deacetylases; modulates nucleolar (rDNA) and telomeric silencing; possesses NAD(+)-dependent histone deacetylase activity in vitro 7740 S000005935 ORF Uncharacterized YPL014W n.a. 16 527544 528689 W Hypothetical protein 7742 S000005934 ORF Verified YPL013C MRPS16 16 529347 528982 C Mitochondrial ribosomal protein of the small subunit 7744 S000005933 ORF Verified YPL012W RRP12 16 529720 533406 W Protein required for export of the ribosomal subunits; associates with the RNA components of the pre-ribosomes; contains HEAT-repeats 7746 S000005932 ORF Verified YPL011C TAF3 16 534700 533639 C TFIID subunit (47 kDa), involved in promoter binding and RNA polymerase II transcription initiation 7748 S000005931 ORF Verified YPL010W RET3 16 535015 535584 W Zeta subunit of the coatomer complex (COPI), which coats Golgi-derived transport vesicles; involved in retrograde transport between Golgi and ER 7750 S000005930 ORF Uncharacterized YPL009C n.a. 16 538933 535817 C Hypothetical protein 7752 S000005929 ORF Verified YPL008W CHL1 16 539382 541967 W Conserved nuclear protein required to establish sister-chromatid pairing during S-phase, probable DNA helicase with similarity to human BACH1, which associates with tumor suppressor BRCA1; associates with acetyltransferase Ctf7p 7754 S000005928 ORF Verified YPL007C TFC8 16 543845 542079 C One of six subunits of RNA polymerase III transcription initiation factor complex (TFIIIC); part of TFIIIC TauB domain that binds BoxB promoter sites of tRNA and other genes; linker between TauB and TauA domains; human homolog is TFIIIC-90 7756 S000005927 ORF Verified YPL006W NCR1 16 544628 548140 W Vacuolar membrane protein that transits through the biosynthetic vacuolar protein sorting pathway, involved in sphingolipid metabolism; glycoprotein homologous to human Niemann Pick C1 (NPC) protein 7758 S000005926 ORF Verified YPL005W AEP3 16 548483 550303 W Peripheral mitochondrial inner membrane protein, located on the matrix face of the membrane; stabilizes the bicistronic AAP1-ATP6 mRNA encoding subunits 6 and 8 of the ATP synthase complex 7760 S000005925 ORF Verified YPL004C LSP1 16 551654 550629 C Long chain base-responsive inhibitor of protein kinases Phk1p and Phk2p, acts along with Pil1p to down-regulate heat stress resistance via regulation of the Pkc1p and Ypk1p pathways; phosphorylated by Phk1p and Phk2p 7762 S000005924 ORF Verified YPL003W ULA1 16 552017 553405 W Protein that acts together with Uba3p to activate Rub1p before its conjugation to proteins (neddylation), which may play a role in protein degradation 7764 S000005923 ORF Verified YPL002C SNF8 16 554325 553624 C Component of the ESCRT-II complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome; appears to be functionally related to SNF7; involved in glucose derepression 7766 S000005922 ORF Verified YPL001W HAT1 16 554602 555726 W Catalytic subunit of the Hat1p-Hat2p histone acetyltransferase complex that uses the cofactor acetyl coenzyme A, to acetylate free nuclear and cytoplasmic histone H4; involved in telomeric silencing and DNA double-strand break repair 7772 S000006205 ORF Verified YPR001W CIT3 16 556374 557834 W Citrate synthase, catalyzes the condensation of acetyl coenzyme A and oxaloacetate to form citrate, mitochondrial isozyme involved in the TCA cycle 7774 S000006206 ORF Verified YPR002W PDH1 16 558382 559932 W Mitochondrial protein that participates in respiration, induced by diauxic shift; homologous to E. coli PrpD, may take part in the conversion of 2-methylcitrate to 2-methylisocitrate 7776 S000006570 tRNA n.a. tF(GAA)P1 n.a. 16 560286 560195 C tRNA-Phe 7777 S000035230 intron n.a. n.a. n.a. 16 560249 560231 C n.a. 7781 S000007254 ORF Dubious YPR002C-A n.a. 16 560763 560566 C Similar to probable membrane protein YLR334C and ORF YOL106W 7783 S000006207 ORF Uncharacterized YPR003C n.a. 16 563765 561501 C Hypothetical protein 7785 S000006208 ORF Uncharacterized YPR004C n.a. 16 565038 564004 C Hypothetical protein 7787 S000006209 ORF Verified YPR005C HAL1 16 566668 565784 C Cytoplasmic protein involved in halotolerance; decreases intracellular Na+ (via Ena1p) and increases intracellular K+ by decreasing efflux; expression repressed by Ssn6p-Tup1p and Sko1p and induced by NaCl, KCl, and sorbitol through Gcn4p 7789 S000006210 ORF Verified YPR006C ICL2 16 568993 567266 C 2-methylisocitrate lyase of the mitochondrial matrix, functions in the methylcitrate cycle to catalyze the conversion of 2-methylisocitrate to succinate and pyruvate; ICL2 transcription is repressed by glucose and induced by ethanol 7791 S000006211 ORF Verified YPR007C REC8 16 571375 569333 C Meiosis-specific component of sister chromatid cohesion complex; maintains cohesion between sister chromatids during meiosis I; maintains cohesion between centromeres of sister chromatids until meiosis II; homolog of S. pombe Rec8p 7794 S000006588 tRNA n.a. tG(GCC)P1 n.a. 16 572266 572336 W tRNA-Gly 7796 S000006212 ORF Verified YPR008W HAA1 16 573015 575099 W Transcriptional activator involved in the transcription of TPO2, HSP30 and other genes encoding membrane stress proteins; despite sequence similarity with the transcription factor Ace1p, it is not subject to metalloregulation 7798 S000006213 ORF Verified YPR009W SUT2 16 576549 577355 W Putative transcription factor; multicopy suppressor of mutations that cause low activity of the cAMP/protein kinase A pathway; highly similar to Sut1p 7800 S000006214 ORF Verified YPR010C RPA135 16 581193 577582 C RNA polymerase I subunit A135 7802 S000006628 tRNA n.a. tK(CUU)P n.a. 16 582059 582131 W tRNA-Lys 7804 S000006215 ORF Uncharacterized YPR011C n.a. 16 584039 583059 C Hypothetical protein 7806 S000006216 ORF Dubious YPR012W n.a. 16 584306 584560 W Hypothetical protein 7808 S000006217 ORF Uncharacterized YPR013C n.a. 16 585582 584629 C Hypothetical protein 7810 S000006218 ORF Dubious YPR014C n.a. 16 587515 587186 C Hypothetical protein 7812 S000006219 ORF Uncharacterized YPR015C n.a. 16 591023 590280 C Hypothetical protein 7814 S000006220 ORF Verified YPR016C TIF6 16 593066 592329 C Constituent of 66S pre-ribosomal particles, has similarity to human translation initiation factor 6 (eIF6); may be involved in the biogenesis and or stability of 60S ribosomal subunits 7816 S000007630 ORF Dubious YPR016W-A n.a. 16 593093 593353 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 7818 S000006221 ORF Verified YPR017C DSS4 16 593914 593483 C Nucleotide release factor functioning in the post-Golgi secretory pathway, required for ER-to-Golgi transport, binds zinc, found both on membranes and in the cytosol; guanine nucleotide dissociation stimulator 7820 S000006222 ORF Verified YPR018W RLF2 16 594473 596293 W Largest subunit (p90) of the Chromatin Assembly Complex (CAF-I) with Cac2p and Msi1p that assembles newly synthesized histones onto recently replicated DNA; involved in the maintenance of transcriptionally silent chromatin 7822 S000006223 ORF Verified YPR019W CDC54 16 596747 599548 W Essential helicase component of heterohexameric MCM2-7 complexes which bind pre-replication complexes on DNA and melt the DNA prior to replication; accumulates in the nucleus in G1; homolog of S. pombe Cdc21p 7824 S000006224 ORF Verified YPR020W ATP20 16 599867 600214 W Subunit g of the mitochondrial F1F0 ATP synthase, which is a large enzyme complex required for ATP synthesis; associated only with the dimeric form of ATP synthase 7826 S000006225 ORF Verified YPR021C AGC1 16 603354 600646 C Mitochondrial transporter, acts both as a glutamate uniporter and as an aspartate-glutamate exchanger; involved in nitrogen metabolism, ornithine synthesis, and the malate-aspartate NADH shuttle 7828 S000006226 ORF Uncharacterized YPR022C n.a. 16 607309 603908 C Hypothetical protein 7830 S000006227 ORF Verified YPR023C EAF3 16 610028 608823 C Esa1p-associated factor, nonessential component of the NuA4 acetyltransferase complex, homologous to Drosophila dosage compensation protein MSL3 7832 S000006228 ORF Verified YPR024W YME1 16 610478 612721 W Mitochondrial inner membrane protease of the AAA family, responsible for degradation of unfolded or misfolded mitochondrial gene products; mutation causes an elevated rate of mitochondrial turnover 7834 S000006229 ORF Verified YPR025C CCL1 16 614555 613374 C Cyclin associated with protein kinase Kin28p, which is the TFIIH-associated carboxy-terminal domain (CTD) kinase involved in transcription initiation at RNA polymerase II promoters 7836 S000006230 ORF Verified YPR026W ATH1 16 615376 619011 W Vacuolar acid trehalase, required for trehalose utilization 7838 S000006231 ORF Uncharacterized YPR027C n.a. 16 621255 620422 C Hypothetical protein 7840 S000006571 tRNA n.a. tF(GAA)P2 n.a. 16 622628 622537 C tRNA-Phe 7841 S000035233 intron n.a. n.a. n.a. 16 622591 622573 C n.a. 7844 S000006232 ORF Verified YPR028W YOP1 16 623524 624199 W Membrane protein that interacts with Yip1p to mediate membrane traffic; overexpression results in cell death and accumulation of internal cell membranes; regulates vesicular traffic in stressed cells 7847 S000032205 intron n.a. n.a. n.a. 16 623575 623707 W n.a. 7848 S000006233 ORF Verified YPR029C APL4 16 626964 624466 C Gamma-adaptin, large subunit of the clathrin-associated protein (AP-1) complex; binds clathrin; involved in vesicle mediated transport 7850 S000006234 ORF Verified YPR030W CSR2 16 627877 631242 W Nuclear protein with a potential regulatory role in utilization of galactose and nonfermentable carbon sources; overproduction suppresses the lethality at high temperature of a chs5 spa2 double null mutation; potential Cdc28p substrate 7852 S000006235 ORF Uncharacterized YPR031W n.a. 16 631512 633758 W Component of the histone acetyltransferase complex 7854 S000006236 ORF Verified YPR032W SRO7 16 634120 637221 W Protein with roles in exocytosis and cation homeostasis; functions in docking and fusion of post-Golgi vesicles with plasma membrane; homolog of Sro77p and Drosophila lethal giant larvae tumor suppressor; interacts with SNARE protein Sec9p 7856 S000006237 ORF Verified YPR033C HTS1 16 639016 637376 C Cytoplasmic and mitochondrial histidine tRNA synthetase; encoded by a single nuclear gene that specifies two messages; efficient mitochondrial localization requires both a presequence and an amino-terminal sequence 7858 S000006238 ORF Verified YPR034W ARP7 16 639522 640955 W Actin-related protein involved in transcriptional regulation; subunit of the chromatin remodeling Snf/Swi complex 7860 S000006239 ORF Verified YPR035W GLN1 16 642205 643317 W Glutamine synthetase (GS), synthesizes glutamine from glutamate and ammonia; with Glt1p, forms the secondary pathway for glutamate biosynthesis from ammonia; expression regulated by nitrogen source and by amino acid limitation 7862 S000006240 ORF Verified YPR036W VMA13 16 643833 645269 W Subunit H of the eight-subunit V1 peripheral membrane domain of the vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found throughout the endomembrane system; serves as an activator or a structural stabilizer of the V-ATPase 7864 S000028425 ORF Uncharacterized YPR036W-A n.a. 16 645947 646150 W ORF, Uncharacterized 7866 S000006242 ORF Dubious YPR038W n.a. 16 646833 647192 W Hypothetical protein 7868 S000006243 ORF Dubious YPR039W n.a. 16 647009 647344 W Hypothetical protein 7870 S000006241 ORF Verified YPR037C ERV2 16 647035 646445 C Flavin-linked sulfhydryl oxidase localized to the endoplasmic reticulum lumen, involved in disulfide bond formation within the ER 7872 S000006244 ORF Verified YPR040W TIP41 16 647302 648372 W Protein involved in regulation of the TOR pathway 7874 S000006245 ORF Verified YPR041W TIF5 16 648701 649918 W Translation initiation factor eIF-5; N-terminal domain functions as a GTPase-activating protein to mediate hydrolysis of ribosome-bound GTP; C-terminal domain is the core of ribosomal preinitiation complex formation 7876 S000006246 ORF Verified YPR042C PUF2 16 653659 650432 C Member of the PUF protein family, which is defined by the presence of Pumilio homology domains that confer RNA binding activity; preferentially binds mRNAs encoding membrane-associated proteins 7878 S000006247 ORF Verified YPR043W RPL43A 16 654163 654844 W Protein component of the large (60S) ribosomal subunit, identical to Rpl43Bp and has similarity to rat L37a ribosomal protein; null mutation confers a dominant lethal phenotype 7881 S000030560 intron n.a. n.a. n.a. 16 654165 654567 W n.a. 7882 S000006248 ORF Dubious YPR044C n.a. 16 654874 654521 C Hypothetical protein 7884 S000006249 ORF Uncharacterized YPR045C n.a. 16 656549 655137 C Hypothetical protein 7886 S000006250 ORF Verified YPR046W MCM16 16 656796 657341 W Protein involved in kinetochore-microtubule mediated chromosome segregation; binds to centromere DNA 7888 S000006251 ORF Verified YPR047W MSF1 16 657526 658935 W Mitochondrial phenylalanyl-tRNA synthetase alpha subunit, active as a monomer, unlike the cytoplasmic subunit which is active as a dimer complexed to a beta subunit dimer; similar to the alpha subunit of E. coli phenylalanyl-tRNA synthetase 7890 S000006252 ORF Verified YPR048W TAH18 16 659179 661050 W Protein with a potential role in DNA replication; displays synthetic lethal genetic interaction with the pol3-13 allele of POL3, which encodes DNA polymerase delta 7892 S000006253 ORF Verified YPR049C ATG11 16 664670 661134 C Peripheral membrane protein required for delivery of aminopeptidase I (Lap4p) to the vacuole in the cytoplasm-to-vacuole targeting pathway; also required for peroxisomal degradation (pexophagy) 7894 S000006255 ORF Verified YPR051W MAK3 16 664957 665487 W Catalytic subunit of N-terminal acetyltransferase of the NatC type; required for replication of dsRNA virus 7896 S000006254 ORF Dubious YPR050C n.a. 16 665363 664950 C Hypothetical protein 7898 S000006256 ORF Verified YPR052C NHP6A 16 665971 665690 C High-mobility group non-histone chromatin protein, functionally redundant with Nhp6Bp; homologous to mammalian high mobility group proteins 1 and 2; acts to recruit transcription factor Rcs1p to certain promoters 7900 S000006257 ORF Dubious YPR053C n.a. 16 666240 665785 C Hypothetical protein 7902 S000006258 ORF Verified YPR054W SMK1 16 666277 667443 W Middle sporulation-specific mitogen-activated protein kinase (MAPK) required for spore morphogenesis 7904 S000006259 ORF Verified YPR055W SEC8 16 667673 670870 W Essential 121kDa subunit of the exocyst complex (Sec3p, Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p), which has the essential function of mediating polarized targeting of secretory vesicles to active sites of exocytosis 7906 S000006260 ORF Verified YPR056W TFB4 16 671123 672139 W Subunit of TFIIH complex, involved in transcription initiation, similar to 34 kDa subunit of human TFIIH; interacts with Ssl1p 7908 S000006261 ORF Verified YPR057W BRR1 16 672468 673493 W snRNP protein component of spliceosomal snRNPs, required for pre-mRNA splicing and snRNP biogenesis; in null mutant newly-synthesized snRNAs are destabilized and 3'-end processing is slowed 7910 S000006262 ORF Verified YPR058W YMC1 16 673748 674671 W Putative mitochondrial inner membrane transporter, member of the mitochondrial carrier (MCF) family 7912 S000006263 ORF Dubious YPR059C n.a. 16 674697 674311 C Hypothetical protein 7914 S000006264 ORF Verified YPR060C ARO7 16 675628 674858 C Chorismate mutase, catalyzes the conversion of chorismate to prephenate to initiate the tyrosine/phenylalanine-specific branch of aromatic amino acid biosynthesis 7916 S000006265 ORF Verified YPR061C JID1 16 676879 675974 C Probable Hsp40p co-chaperone, has a DnaJ-like domain and appears to be involved in ER-associated degradation of misfolded proteins containing a tightly folded cytoplasmic domain; inhibits replication of Brome mosaic virus in S. cerevisiae 7918 S000006266 ORF Verified YPR062W FCY1 16 677162 677638 W Cytosine deaminase, involved in salvage pathways of pyrimidine metabolism 7920 S000006267 ORF Uncharacterized YPR063C n.a. 16 678317 677809 C Hypothetical protein 7923 S000029985 intron n.a. n.a. n.a. 16 678276 678191 C n.a. 7924 S000006268 ORF Dubious YPR064W n.a. 16 678948 679367 W Hypothetical protein 7926 S000006269 ORF Verified YPR065W ROX1 16 679690 680796 W Heme-dependent repressor of hypoxic genes; contains an HMG domain that is responsible for DNA bending activity 7928 S000006270 ORF Verified YPR066W UBA3 16 681210 682109 W Protein that acts together with Ula1p to activate Rub1p before its conjugation to proteins (neddylation), which may play a role in protein degradation; GFP-fusion protein localizes to the cytoplasm in a punctate pattern 7930 S000006271 ORF Verified YPR067W ISA2 16 682217 682774 W Protein required for maturation of mitochondrial and cytosolic Fe/S proteins, localizes to the mitochondrial intermembrane space, overexpression of ISA2 suppresses grx5 mutations 7932 S000006272 ORF Verified YPR068C HOS1 16 684350 682938 C Putative class I histone deacetylase (HDAC) with sequence similarity to Hda1p, Rpd3p, Hos2p, and Hos3p; deletion results in increased histone acetylation at rDNA repeats; interacts with the Tup1p-Ssn6p corepressor complex 7934 S000006273 ORF Verified YPR069C SPE3 16 685434 684553 C Spermidine synthase, involved in biosynthesis of spermidine and also in biosynthesis of pantothenic acid; spermidine is required for growth of wild-type cells 7936 S000006274 ORF Verified YPR070W MED1 16 685895 687595 W Subunit 1 of the Mediator complex essential for transcriptional regulation 7938 S000006275 ORF Uncharacterized YPR071W n.a. 16 688169 688804 W Hypothetical protein 7940 S000006736 tRNA n.a. tS(UGA)P n.a. 16 689562 689643 W tRNA-Ser 7942 S000006276 ORF Verified YPR072W NOT5 16 690104 691786 W Subunit of the CCR4-NOT complex, which is a global transcriptional regulator with roles in transcription initiation and elongation and in mRNA degradation 7944 S000006277 ORF Verified YPR073C LTP1 16 692415 691930 C Protein phosphotyrosine phosphatase of unknown cellular role; activated by adenine 7946 S000006278 ORF Verified YPR074C TKL1 16 694835 692793 C Transketolase, similar to Tkl2p; catalyzes conversion of xylulose-5-phosphate and ribose-5-phosphate to sedoheptulose-7-phosphate and glyceraldehyde-3-phosphate in the pentose phosphate pathway; needed for synthesis of aromatic amino acids 7948 S000007631 ORF Dubious YPR074W-A n.a. 16 695015 695185 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 7950 S000006280 ORF Dubious YPR076W n.a. 16 696473 696847 W Hypothetical protein 7952 S000006279 ORF Verified YPR075C OPY2 16 696816 695734 C Protein of unknown function, overproduction blocks cell cycle arrest in the presence of mating pheromone 7954 S000006281 ORF Dubious YPR077C n.a. 16 697499 697128 C Hypothetical protein 7956 S000006282 ORF Uncharacterized YPR078C n.a. 16 698262 697144 C Hypothetical protein 7958 S000006283 ORF Verified YPR079W MRL1 16 698867 700012 W Membrane protein with similarity to mammalian mannose-6-phosphate receptors, possibly functions as a sorting receptor in the delivery of vacuolar hydrolases 7960 S000006284 ORF Verified YPR080W TEF1 16 700592 701968 W functions in the binding reaction of aminoacyl-tRNA (AA-tRNA) to ribosomes; translational elongation factor EF-1 alpha 7962 S000006285 ORF Verified YPR081C GRS2 16 703968 702112 C Protein with sequence similarity to Grs1p, which is a glycyl-tRNA synthetase; cannot substitute for Grs1p; possible pseudogene that is expressed at very low levels 7964 S000006286 ORF Verified YPR082C DIB1 16 704654 704223 C 17-kDa component of the U4/U6aU5 tri-snRNP, plays an essential role in pre-mRNA splicing, orthologue of the human U5-specific 15-kDa protein 7966 S000006287 ORF Verified YPR083W MDM36 16 704852 706591 W Protein required for normal mitochondrial morphology and inheritance 7968 S000006288 ORF Uncharacterized YPR084W n.a. 16 706970 708340 W Hypothetical protein 7970 S000006289 ORF Uncharacterized YPR085C n.a. 16 709826 708495 C Protein required for cell viability 7972 S000006290 ORF Verified YPR086W SUA7 16 710099 711136 W Transcription factor TFIIB, a general transcription factor required for transcription initiation and start site selection by RNA polymerase II 7974 S000006291 ORF Dubious YPR087W VPS69 16 711352 711672 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 85% of ORF overlaps the verified gene SRP54; deletion causes a vacuolar protein sorting defect 7976 S000006292 ORF Verified YPR088C SRP54 16 713026 711401 C Signal recognition particle (SRP) subunit (homolog of mammalian SRP54); contains the signal sequence-binding activity of SRP, interacts with the SRP RNA, and mediates binding of SRP to signal receptor; contains GTPase domain 7978 S000006293 ORF Uncharacterized YPR089W n.a. 16 713273 715939 W Hypothetical protein 7980 S000006296 ORF Dubious YPR092W n.a. 16 718377 718682 W Hypothetical protein 7982 S000006295 ORF Uncharacterized YPR091C n.a. 16 718466 716154 C Hypothetical protein 7984 S000006442 snoRNA n.a. snR51 SNR51 16 718804 718698 C guides 2'-O-methylation on small subunit rRNA at A100 and on large subunit rRNA at U2726; small nucleolar RNA snR51 7986 S000006461 snoRNA n.a. snR70 SNR70 16 719049 718885 C involved in 2'-O-methylation on small subunit rRNA at C1638; small nucleolar RNA snR70 7988 S000007305 snoRNA n.a. snR41 SNR41 16 719240 719146 C Small nucleolar RNA 7990 S000006297 ORF Verified YPR093C ASR1 16 720422 719556 C Protein involved in a putative alcohol-responsive signaling pathway; accumulates in the nucleus under alcohol stress; contains a Ring/PHD finger domain 7992 S000006298 ORF Verified YPR094W RDS3 16 720635 720958 W Zinc cluster protein involved in pre-mRNA splicing and cycloheximide resistance 7994 S000006299 ORF Verified YPR095C SYT1 16 724715 721035 C Guanine nucleotide exchange factor (GEF) for Arf proteins; involved in vesicular transport; suppressor of ypt3 mutations; member of the Sec7-domain family 7996 S000006300 ORF Dubious YPR096C n.a. 16 725142 724840 C Hypothetical protein 7998 S000006301 ORF Uncharacterized YPR097W n.a. 16 725392 728613 W Hypothetical protein 8000 S000006302 ORF Uncharacterized YPR098C n.a. 16 729526 728945 C Hypothetical protein 8003 S000034699 intron n.a. n.a. n.a. 16 729479 729384 C n.a. 8004 S000006304 ORF Verified YPR100W MRPL51 16 729789 730211 W Mitochondrial ribosomal protein of the large subunit 8006 S000006303 ORF Dubious YPR099C n.a. 16 730111 729755 C Hypothetical protein 8008 S000006305 ORF Verified YPR101W SNT309 16 730490 731017 W Component of a protein complex associated with the splicing factor Prp19p, essential for mRNA splicing 8010 S000006306 ORF Verified YPR102C RPL11A 16 731746 731222 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl11Bp; involved in ribosomal assembly; depletion causes degradation of proteins and RNA of the 60S subunit; has similarity to E. coli L5 and rat L11 8012 S000006307 ORF Verified YPR103W PRE2 16 732347 733210 W 20S proteasome beta-type subunit, responsible for the chymotryptic activity of the proteasome 8014 S000006308 ORF Verified YPR104C FHL1 16 736431 733621 C Putative transcriptional regulator with similarity to DNA-binding domain of Drosophila forkhead; required for rRNA processing 8016 S000006309 ORF Verified YPR105C COG4 16 739567 736982 C Essential component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments 8018 S000006310 ORF Verified YPR106W ISR1 16 740059 741390 W Predicted protein kinase, overexpression causes sensitivity to staurosporine, which is a potent inhibitor of protein kinase C 8020 S000006311 ORF Verified YPR107C YTH1 16 742062 741436 C Essential RNA-binding component of cleavage and polyadenylation factor, contains five zinc fingers; required for pre-mRNA 3'-end processing and polyadenylation 8022 S000006312 ORF Verified YPR108W RPN7 16 742452 743741 W Essential, non-ATPase regulatory subunit of the 26S proteasome, similar to another S. cerevisiae regulatory subunit, Rpn5p, as well as to mammalian proteasome subunits 8024 S000028590 ORF Uncharacterized YPR108W-A n.a. 16 744173 744385 W Identified by fungal homology and RT-PCR 8026 S000006752 tRNA n.a. tT(UGU)P n.a. 16 744282 744353 W tRNA-Thr 8028 S000006313 ORF Uncharacterized YPR109W n.a. 16 744687 745571 W Hypothetical protein 8030 S000006314 ORF Verified YPR110C RPC40 16 746833 745826 C RNA polymerase subunit, common to RNA polymerase I and III 8032 S000006315 ORF Verified YPR111W DBF20 16 747304 748998 W Ser/Thr kinase involved in late nuclear division, one of the mitotic exit network (MEN) proteins; necessary for the execution of cytokinesis 8034 S000006316 ORF Verified YPR112C MRD1 16 751917 749254 C Essential conserved protein that associates with 35S precursor rRNA and is required for its initial processing at the A(0)-A(2) cleavage sites, shows partial nucleolar localization, contains five consensus RNA-binding domains 8036 S000006317 ORF Verified YPR113W PIS1 16 752255 752917 W Phosphatidylinositol synthase, required for biosynthesis of phosphatidylinositol, which is a precursor for polyphosphoinositides, sphingolipids, and glycolipid anchors for some of the plasma membrane proteins 8038 S000006318 ORF Uncharacterized YPR114W n.a. 16 753299 754246 W Hypothetical protein 8040 S000006319 ORF Uncharacterized YPR115W n.a. 16 754875 758126 W Hypothetical protein 8042 S000006320 ORF Uncharacterized YPR116W n.a. 16 758646 759479 W Hypothetical protein 8044 S000006321 ORF Uncharacterized YPR117W n.a. 16 760023 767492 W Hypothetical protein 8046 S000006322 ORF Verified YPR118W n.a. 16 767750 768985 W Methylthioribose-1-phosphate isomerase, catalyzes the isomerization of 5-methylthioribose-1-phosphate to 5-methylthioribulose-1-phosphate in the methionine salvage pathway 8048 S000006635 tRNA n.a. tK(UUU)P n.a. 16 769300 769205 C tRNA-Lys 8049 S000034222 intron n.a. n.a. n.a. 16 769263 769241 C n.a. 8053 S000006323 ORF Verified YPR119W CLB2 16 771651 773126 W B-type cyclin involved in cell cycle progression; activates Cdc28p to promote the transition from G2 to M phase; accumulates during G2 and M, then targeted via a destruction box motif for ubiquitin-mediated degradation by the proteasome 8055 S000006324 ORF Verified YPR120C CLB5 16 775180 773873 C B-type cyclin involved in DNA replication during S phase; activates Cdc28p to promote initiation of DNA synthesis; functions in formation of mitotic spindles along with Clb3p and Clb4p; most abundant during late G1 phase 8057 S000006529 tRNA n.a. tC(GCA)P2 n.a. 16 775834 775763 C tRNA-Cys 8062 S000006325 ORF Verified YPR121W THI22 16 778579 780297 W Protein with similarity to hydroxymethylpyrimidine phosphate kinases; member of a gene family with THI20 and THI21; not required for thiamine biosynthesis 8064 S000006326 ORF Verified YPR122W AXL1 16 782041 785667 W Haploid specific endoprotease that performs one of two N-terminal cleavages during maturation of a-factor mating pheromone; required for axial budding pattern of haploid cells 8066 S000006328 ORF Verified YPR124W CTR1 16 786204 787424 W High-affinity copper transporter of the plasma membrane, mediates nearly all copper uptake under low copper conditions; transcriptionally induced at low copper levels and degraded at high copper levels 8068 S000006327 ORF Dubious YPR123C n.a. 16 786571 786137 C Hypothetical protein 8070 S000006329 ORF Uncharacterized YPR125W n.a. 16 787957 789321 W Hypothetical protein 8072 S000006330 ORF Dubious YPR126C n.a. 16 789381 789073 C Hypothetical protein 8074 S000006331 ORF Uncharacterized YPR127W n.a. 16 790079 791116 W Hypothetical protein 8076 S000006332 ORF Verified YPR128C ANT1 16 792200 791214 C Peroxisomal adenine nucleotide transporter; involved in beta-oxidation of medium-chain fatty acid; required for peroxisome proliferation 8078 S000006333 ORF Verified YPR129W SCD6 16 792683 793732 W Protein containing an Lsm domain, may bind RNA and have a role in RNA processing; overproduction suppresses a null mutation in CHC1, which encodes the heavy chain of clathrin 8080 S000006334 ORF Dubious YPR130C n.a. 16 793777 793370 C Hypothetical protein 8082 S000006335 ORF Verified YPR131C NAT3 16 794494 793907 C Catalytic subunit of the NatB N-terminal acetyltransferase, which catalyzes acetylation of the amino-terminal methionine residues of all proteins beginning with Met-Asp or Met-Glu and of some proteins beginning with Met-Asn or Met-Met 8084 S000006336 ORF Verified YPR132W RPS23B 16 794961 795763 W Ribosomal protein 28 (rp28) of the small (40S) ribosomal subunit, required for translational accuracy; nearly identical to Rps23Ap and similar to E. coli S12 and rat S23 ribosomal proteins; deletion of both RPS23A and RPS23B is lethal 8087 S000035961 intron n.a. n.a. n.a. 16 795026 795390 W n.a. 8088 S000006337 ORF Verified YPR133C IWS1 16 797206 795974 C Protein that interacts with Spt6p and copurifies with Spt5p and RNA polymerase II, probable transcriptional elongation factor; metazoan homologs contain an acidic N terminus; mutations in the gene confer an Spt- phenotype 8090 S000006433 ORF Verified YPR133W-A TOM5 16 797553 797705 W Small mitochondrial outer membrane protein crucial to a binding relay for the import of proteins into mitochondria; subunit on the outer mouth of the TOM channel that accepts precursors from the receptors Tom20p and Tom22p 8092 S000006338 ORF Verified YPR134W MSS18 16 798047 798853 W Nuclear encoded protein needed for efficient splicing of mitochondrial COX1 aI5beta intron; mss18 mutations block cleavage of 5' exon - intron junction; phenotype of intronless strain suggests additional functions 8094 S000006339 ORF Verified YPR135W CTF4 16 799230 802013 W Chromatin-associated protein, required for sister chromatid cohesion; interacts with DNA polymerase alpha (Pol1p) and may link DNA synthesis to sister chromatid cohesion 8096 S000006341 ORF Verified YPR137W RRP9 16 802355 804076 W Protein involved in pre-rRNA processing, associated with U3 snRNP; component of small ribosomal subunit (SSU) processosome; ortholog of the human U3-55k protein 8098 S000006340 ORF Dubious YPR136C n.a. 16 802833 802321 C Hypothetical protein 8110 S000006677 tRNA n.a. tN(GUU)P n.a. 16 810672 810745 W tRNA-Asn 8112 S000006342 ORF Verified YPR138C MEP3 16 812449 810980 C Ammonium permease of high capacity and low affinity; belongs to a ubiquitous family of cytoplasmic membrane proteins that transport only ammonium (NH4+); expression is under the nitrogen catabolite repression regulation ammonia permease 8114 S000006343 ORF Verified YPR139C VPS66 16 814054 813152 C Cytoplasmic protein of unknown function involved in vacuolar protein sorting 8116 S000006344 ORF Verified YPR140W TAZ1 16 814387 815532 W Lyso-phosphatidylcholine acyltransferase, required for normal phospholipid content of mitochondrial membranes; may remodel acyl groups of cardiolipin in the inner membrane; similar to human tafazzin, which is implicated in Barth syndrome 8118 S000006345 ORF Verified YPR141C KAR3 16 817919 815730 C Minus-end-directed microtubule motor that functions in mitosis and meiosis, localizes to the spindle pole body and localization is dependent on functional Cik1p, required for nuclear fusion during mating; potential Cdc28p substrate 8120 S000006347 ORF Verified YPR143W RRP15 16 818319 819071 W Nucleolar protein, constituent of pre-60S ribosomal particles; required for processing of the 27S pre-rRNA at the A2 site to yield 5.8S and 25S rRNA 8122 S000006346 ORF Dubious YPR142C n.a. 16 818689 818126 C Protein required for cell viability 8124 S000006611 tRNA n.a. tI(AAU)P1 n.a. 16 819525 819598 W tRNA-Ile 8126 S000006348 ORF Verified YPR144C NOC4 16 821419 819761 C Nucleolar protein, forms a complex with Nop14p that mediates maturation and nuclear export of 40S ribosomal subunits 8128 S000006505 snoRNA n.a. snR45 SNR45 16 821728 821899 W Small nucleolar RNA 8130 S000006349 ORF Verified YPR145W ASN1 16 822616 824334 W Asparagine synthetase, isozyme of Asn2p; catalyzes the synthesis of L-asparagine from L-aspartate in the asparagine biosynthetic pathway 8132 S000006350 ORF Dubious YPR146C n.a. 16 825672 825343 C Hypothetical protein 8134 S000006351 ORF Uncharacterized YPR147C n.a. 16 826555 825641 C Hypothetical protein 8136 S000006352 ORF Uncharacterized YPR148C n.a. 16 828136 826829 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 8138 S000006353 ORF Verified YPR149W NCE102 16 829914 830435 W Protein of unknown function; contains transmembrane domains; involved in secretion of proteins that lack classical secretory signal sequences; component of the detergent-insoluble glycolipid-enriched complexes (DIGs) 8140 S000006354 ORF Dubious YPR150W n.a. 16 830995 831516 W Hypothetical protein 8142 S000006355 ORF Verified YPR151C SUE1 16 831671 831051 C Mitochondrial protein required for degradation of unstable forms of cytochrome c 8144 S000006356 ORF Uncharacterized YPR152C n.a. 16 833454 832057 C Hypothetical protein 8146 S000006357 ORF Uncharacterized YPR153W n.a. 16 833807 834241 W Hypothetical protein 8148 S000006358 ORF Verified YPR154W PIN3 16 834561 835208 W Protein that induces appearance of [PIN+] prion when overproduced 8150 S000006359 ORF Verified YPR155C NCA2 16 837409 835559 C Protein involved in regulation of mitochondrial expression of subunits 6 (Atp6p) and 8 (Atp8p) of the Fo-F1 ATP synthase; functions with Nca3p 8152 S000006360 ORF Verified YPR156C TPO3 16 839773 837905 C Polyamine transport protein specific for spermine; localizes to the plasma membrane; member of the major facilitator superfamily 8154 S000006361 ORF Uncharacterized YPR157W n.a. 16 841262 842665 W Hypothetical protein 8156 S000006362 ORF Uncharacterized YPR158W n.a. 16 843258 844016 W Hypothetical protein 8178 S000006520 tRNA n.a. tA(AGC)P n.a. 16 856898 856970 W tRNA-Ala 8180 S000006363 ORF Verified YPR159W KRE6 16 857579 859741 W Protein required for beta-1,6 glucan biosynthesis; putative beta-glucan synthase; appears functionally redundant with Skn1p 8182 S000006589 tRNA n.a. tG(GCC)P2 n.a. 16 860375 860445 W tRNA-Gly 8184 S000028725 ORF Uncharacterized YPR159C-A n.a. 16 860411 860310 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 8186 S000006364 ORF Verified YPR160W GPH1 16 861302 864010 W Non-essential glycogen phosphorylase required for the mobilization of glycogen, activity is regulated by cyclic AMP-mediated phosphorylation, expression is regulated by stress-response elements and by the HOG MAP kinase pathway 8188 S000028860 ORF Dubious YPR160W-A n.a. 16 861930 862010 W Identified by expression profiling and mass spectrometry 8190 S000028726 ORF Dubious YPR160C-A n.a. 16 862857 862573 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 8192 S000006365 ORF Verified YPR161C SGV1 16 866418 864445 C Cyclin (Bur2p)-dependent protein kinase that functions in transcriptional regulation; phosphorylates the carboxy-terminal domain of Rpo21p, which is the largest subunit of RNA polymerase II; regulated by Cak1p 8194 S000006366 ORF Verified YPR162C ORC4 16 868300 866711 C Subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing 8196 S000006367 ORF Verified YPR163C TIF3 16 869951 868641 C Translation initiation factor eIF-4B, has RNA annealing activity; contains an RNA recognition motif and binds to single-stranded RNA 8198 S000006368 ORF Verified YPR164W MMS1 16 870699 874922 W Protein likely involved in protection against replication-dependent DNA damage; mutants are sensitive to methyl methanesulfonate (MMS); implicated in regulation of Ty1 transposition 8200 S000006369 ORF Verified YPR165W RHO1 16 875364 875993 W GTP-binding protein of the rho subfamily of Ras-like proteins, involved in establishment of cell polarity; regulates protein kinase C (Pkc1p) and the cell wall synthesizing enzyme 1,3-beta-glucan synthase (Fks1p and Gsc2p) 8202 S000006370 ORF Verified YPR166C MRP2 16 876625 876278 C Mitochondrial ribosomal protein of the small subunit 8204 S000006371 ORF Verified YPR167C MET16 16 877628 876843 C 3'-phosphoadenylsulfate reductase, reduces 3'-phosphoadenylyl sulfate to adenosine-3',5'-bisphosphate and free sulfite using reduced thioredoxin as cosubstrate, involved in sulfate assimilation and methionine metabolism 8206 S000006372 ORF Verified YPR168W NUT2 16 878072 878545 W Component of the RNA polymerase II mediator complex, which is required for transcriptional activation and also has a role in basal transcription 8208 S000006373 ORF Uncharacterized YPR169W n.a. 16 878620 880164 W Nucleolar protein of unknown function, exhibits a physical interaction with Bre1p 8210 S000006612 tRNA n.a. tI(AAU)P2 n.a. 16 880365 880292 C tRNA-Ile 8214 S000028591 ORF Dubious YPR169W-A n.a. 16 883235 883453 W Identified by fungal homology and RT-PCR 8216 S000028515 ORF Dubious YPR170W-B n.a. 16 883235 883591 W Identified based on homology to Ashbya gossypii 8219 S000030286 intron n.a. n.a. n.a. 16 883384 883482 W n.a. 8220 S000006374 ORF Dubious YPR170C n.a. 16 883314 882979 C Hypothetical protein 8222 S000028861 ORF Dubious YPR170W-A n.a. 16 883374 883559 W Identified by expression profiling and mass spectrometry 8224 S000006375 ORF Verified YPR171W BSP1 16 883824 885554 W Adapter that links synaptojanins Inp2p and Inp53p to the cortical actin cytoskeleton 8226 S000006376 ORF Uncharacterized YPR172W n.a. 16 885792 886394 W Protein of unknown function, transcriptionally activated by Yrm1p along with genes involved in multidrug resistance 8228 S000006377 ORF Verified YPR173C VPS4 16 887833 886520 C AAA-type ATPase required for efficient late endosome to vacuole transport; catalyzes the release of an endosomal membrane-associated class E VPS protein complex; cytoplasmic protein that is also associated with an endosomal compartment 8230 S000006378 ORF Uncharacterized YPR174C n.a. 16 888704 888039 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nuclear periphery; potential Cdc28p substrate 8232 S000006379 ORF Verified YPR175W DPB2 16 888970 891039 W Second largest subunit of DNA polymerase II (DNA polymerase epsilon), required for normal yeast chromosomal replication; expression peaks at the G1/S phase boundary; potential Cdc28p substrate 8234 S000006380 ORF Verified YPR176C BET2 16 892074 891097 C Beta subunit of Type II geranylgeranyltransferase required for vesicular transport between the endoplasmic reticulum and the Golgi; provides a membrane attachment moiety to Rab-like proteins Ypt1p and Sec4p 8236 S000006382 ORF Verified YPR178W PRP4 16 892328 893725 W Splicing factor, component of the U4/U6-U5 snRNP complex 8238 S000006381 ORF Dubious YPR177C n.a. 16 892680 892309 C Protein required for cell viability 8240 S000006383 ORF Verified YPR179C HDA3 16 895760 893793 C Subunit of a possibly tetrameric trichostatin A-sensitive class II histone deacetylase complex that contains an Hda1p homodimer and an Hda2p-Hda3p heterodimer; required for the activity of the complex; has similarity to Hda2p 8242 S000006384 ORF Verified YPR180W AOS1 16 895957 897000 W Nuclear protein that acts as a heterodimer with Uba2p to activate Smt3p (SUMO) before its conjugation to proteins (sumoylation), which may play a role in protein targeting; essential for viability 8244 S000006385 ORF Verified YPR181C SEC23 16 899663 897357 C GTPase-activating protein; component of the Sec23p-Sec24p heterodimeric complex of the COPII vesicle coat, involved in ER to Golgi transport and autophagy; stimulates the GDP-bound form of Sar1p 8246 S000006386 ORF Verified YPR182W SMX3 16 900190 900450 W Sm or Sm-like snRNP protein 8248 S000006387 ORF Verified YPR183W DPM1 16 900751 901554 W Dolichol phosphate mannose (Dol-P-Man) synthase of the ER membrane, catalyzes the formation of Dol-P-Man from Dol-P and GDP-Man; required for glycosyl phosphatidylinositol membrane anchoring, O mannosylation, and protein glycosylation 8250 S000006388 ORF Verified YPR184W GDB1 16 902040 906650 W Glycogen debranching enzyme containing glucanotranferase and alpha-1,6-amyloglucosidase activities, required for glycogen degradation 8252 S000006389 ORF Verified YPR185W ATG13 16 907214 909430 W Phosphorylated protein that interacts with Vac8p, required for the cytoplasm-to-vacuole targeting (Cvt) pathway and autophagy 8254 S000006390 ORF Verified YPR186C PZF1 16 911018 909729 C Transcription factor IIIA (TFIIIA), essential protein with nine C2H2 Zn-fingers, binds the 5S rRNA gene through the zinc finger domain and directs assembly of a multiprotein initiation complex for RNA polymerase III; also binds DNA 8256 S000006391 ORF Verified YPR187W RPO26 16 911253 911796 W RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III; part of central core; similar to bacterial omega subunit 8259 S000032736 intron n.a. n.a. n.a. 16 911273 911348 W n.a. 8260 S000006392 ORF Uncharacterized YPR188C MLC2 16 912475 911984 C Regulatory light chain for the type II myosin, Myo1p; binds to an IQ motif of Myo1p, localization to the bud neck depends on Myo1p; involved in the disassembly of the Myo1p ring 8262 S000006393 ORF Verified YPR189W SKI3 16 912660 916958 W Protein involved in exosome mediated 3' to 5' mRNA degradation and translation inhibition of non-poly(A) mRNAs; forms complex with Ski2p and Ski8p; required for repressing propagation of dsRNA viruses 8264 S000006394 ORF Verified YPR190C RPC82 16 919037 917073 C RNA polymerase III subunit C82 8266 S000006395 ORF Verified YPR191W QCR2 16 919377 920483 W Subunit 2 of the ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; transcription is regulated by Hap1p, Hap2p/Hap3p, and heme 8268 S000006396 ORF Verified YPR192W AQY1 16 921856 922773 W Water channel that mediates the transport of water across cell membranes and may be involved in freeze tolerance 8270 S000006397 ORF Verified YPR193C HPA2 16 923375 922905 C Tetrameric histone acetyltransferase with similarity to Gcn5p, Hat1p, Elp3p, and Hpa3p; acetylates histones H3 and H4 in vitro and exhibits autoacetylation activity 8272 S000006398 ORF Verified YPR194C OPT2 16 926933 924300 C Oligopeptide transporter; member of the OPT family, with potential orthologs in S. pombe and C. albicans 8274 S000006399 ORF Dubious YPR195C n.a. 16 928290 927961 C Hypothetical protein 8276 S000006400 ORF Uncharacterized YPR196W n.a. 16 931372 932784 W nuclear protein (putative) 8279 S000006402 ORF Verified YPR198W SGE1 16 934030 935661 W Membrane-associated multidrug transporter, acts as an extrusion permease, member of the drug-resistance protein family within the major facilitator superfamily (MFS), partial multicopy suppressor of gal11 mutations 8281 S000006401 ORF Dubious YPR197C n.a. 16 934457 933894 C Hypothetical protein 8283 S000006403 ORF Verified YPR199C ARR1 16 939028 938144 C Transcriptional activator of the bZIP family, required for transcription of genes involved in resistance to arsenic compounds 8285 S000006404 ORF Verified YPR200C ARR2 16 939667 939275 C Arsenate reductase required for arsenate resistance; converts arsenate to arsenite which can then be exported from cells by Arr3p 8287 S000006405 ORF Verified YPR201W ARR3 16 939918 941132 W Arsenite transporter of the plasma membrane, required for resistance to arsenic compounds; transcription is activated by Arr1p in the presence of arsenite 8296 S000006406 ORF Uncharacterized YPR202W n.a. 16 943028 943892 W similar to other subtelomerically-encoded proteins 8299 S000034728 intron n.a. n.a. n.a. 16 943047 943194 W n.a. 8300 S000006407 ORF Uncharacterized YPR203W n.a. 16 943876 944184 W Hypothetical protein 8302 S000006408 ORF Uncharacterized YPR204W n.a. 16 944599 947697 W subtelomerically-encoded DNA helicase 8304 S000028727 ORF Dubious YPR204C-A n.a. 16 947334 946852 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 8306 S000007328 tRNA n.a. tP(UGG)Q n.a. 17 731 802 W tRNA-Pro 8308 S000007257 ORF Dubious Q0010 n.a. 17 3952 4338 W Hypothetical protein 8310 S000007258 ORF Dubious Q0017 n.a. 17 4254 4415 W Hypothetical protein 8312 S000007287 rRNA n.a. 15S_rRNA 15S_RRNA 17 6546 8194 W Ribosomal RNA of the small mitochondrial ribosomal subunit; MSU1 allele suppresses ochre stop mutations in mitochondrial protein-coding genes 8314 S000007337 tRNA n.a. tW(UCA)Q n.a. 17 9374 9447 W tRNA-Trp1 8316 S000007259 ORF Dubious Q0032 n.a. 17 11667 11957 W Hypothetical protein 8318 S000007260 ORF Verified Q0045 COX1 17 13818 26701 W Subunit I of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; one of three mitochondrially-encoded subunits 8327 S000037028 intron n.a. n.a. n.a. 17 13987 16434 W n.a. 8328 S000037029 intron n.a. n.a. n.a. 17 16471 18953 W n.a. 8329 S000037030 intron n.a. n.a. n.a. 17 18992 20507 W n.a. 8330 S000037031 intron n.a. n.a. n.a. 17 20985 21994 W n.a. 8331 S000037032 intron n.a. n.a. n.a. 17 22247 23611 W n.a. 8332 S000037033 intron n.a. n.a. n.a. 17 23747 25317 W n.a. 8333 S000037034 intron n.a. n.a. n.a. 17 25343 26228 W n.a. 8334 S000007263 ORF Verified Q0060 AI3 17 13818 19996 W Endonuclease I-SceIII, encoded by a mobile group I intron within the mitochondrial COX1 gene 8337 S000037205 intron n.a. n.a. n.a. 17 13987 18953 W n.a. 8338 S000007265 ORF Verified Q0070 AI5_ALPHA 17 13818 23167 W Endonuclease I-SceIV, involved in intron mobility; encoded by a mobile group I intron within the mitochondrial COX1 gene 8344 S000029866 intron n.a. n.a. n.a. 17 13987 16434 W n.a. 8345 S000029867 intron n.a. n.a. n.a. 17 16471 18953 W n.a. 8346 S000029868 intron n.a. n.a. n.a. 17 18992 20507 W n.a. 8347 S000029869 intron n.a. n.a. n.a. 17 20985 21994 W n.a. 8348 S000007264 ORF Verified Q0065 AI4 17 13818 21935 W Endonuclease I-SceII, encoded by a mobile group I intron within the mitochondrial COX1 gene; intron is normally spliced by the BI4p maturase but AI4p can mutate to acquire the same maturase activity 8352 S000037227 intron n.a. n.a. n.a. 17 13987 18953 W n.a. 8353 S000037228 intron n.a. n.a. n.a. 17 18992 20507 W n.a. 8354 S000007262 ORF Verified Q0055 AI2 17 13818 18830 W Reverse transcriptase required for splicing of the COX1 pre-mRNA, encoded by a mobile group II intron within the mitochondrial COX1 gene 8357 S000037127 intron n.a. n.a. n.a. 17 13987 16434 W n.a. 8358 S000007261 ORF Verified Q0050 AI1 17 13818 16322 W Reverse transcriptase required for splicing of the COX1 pre-mRNA, encoded by a mobile group II intron within the mitochondrial COX1 gene 8360 S000007266 ORF Uncharacterized Q0075 AI5_BETA 17 24156 25255 W Protein of unknown function, encoded within an intron of the mitochondrial COX1 gene; translational initiation codon is predicted to be ATA rather than ATG 8363 S000029883 intron n.a. n.a. n.a. 17 24871 24905 W n.a. 8364 S000007267 ORF Verified Q0080 AAP1 17 27666 27812 W Subunit 8 of the F0 sector of mitochondrial inner membrane F1-F0 ATP synthase, encoded on the mitochondrial genome 8366 S000007268 ORF Verified Q0085 ATP6 17 28487 29266 W Mitochondrially encoded subunit 6 of the F0 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 8368 S000007269 ORF Dubious Q0092 n.a. 17 30874 31014 W Hypothetical protein 8370 S000007318 tRNA n.a. tE(UUC)Q n.a. 17 35373 35444 W tRNA-Glu 8372 S000007270 ORF Verified Q0105 COB 17 36540 43647 W Cytochrome b 8379 S000031171 intron n.a. n.a. n.a. 17 36955 37722 W n.a. 8380 S000031172 intron n.a. n.a. n.a. 17 37737 39140 W n.a. 8381 S000031173 intron n.a. n.a. n.a. 17 39218 40840 W n.a. 8382 S000031174 intron n.a. n.a. n.a. 17 41091 42507 W n.a. 8383 S000031175 intron n.a. n.a. n.a. 17 42559 43296 W n.a. 8384 S000007271 ORF Verified Q0110 BI2 17 36540 38579 W Mitochondrial mRNA maturase with a role in splicing, encoded by both exon and intron sequences of partially processed COB mRNA 8387 S000031216 intron n.a. n.a. n.a. 17 36955 37722 W n.a. 8388 S000007272 ORF Verified Q0115 BI3 17 36540 40265 W Mitochondrial mRNA maturase, forms a complex with Mrs1p to mediate splicing of the bI3 intron of the COB gene; encoded by both exon and intron sequences of partially processed COB mRNA 8392 S000031227 intron n.a. n.a. n.a. 17 36955 37722 W n.a. 8393 S000031228 intron n.a. n.a. n.a. 17 37737 39140 W n.a. 8394 S000007273 ORF Verified Q0120 BI4 17 36540 42251 W Mitochondrial mRNA maturase, forms a complex with Nam2p to mediate splicing of the bI4 intron of the COB gene; encoded by both exon and intron sequences of partially processed COB mRNA 8399 S000032188 intron n.a. n.a. n.a. 17 36955 37722 W n.a. 8400 S000032189 intron n.a. n.a. n.a. 17 37737 39140 W n.a. 8401 S000032190 intron n.a. n.a. n.a. 17 39218 40840 W n.a. 8402 S000007274 ORF Verified Q0130 OLI1 17 46723 46953 W F0-ATP synthase subunit 9 (ATPase-associated proteolipid), encoded on the mitochondrial genome; mutation confers oligomycin resistance; expression is specifically dependent on the nuclear genes AEP1 and AEP2 8404 S000007333 tRNA n.a. tS(UGA)Q2 n.a. 17 48201 48290 W tRNA-Ser 8406 S000007275 ORF Verified Q0140 VAR1 17 48901 50097 W Mitochondrial ribosomal protein of the small subunit, mitochondrially-encoded; polymorphic in different strains due to variation in number of AAT (asparagine) codons; translated near the mitochondrial inner membrane 8408 S000007276 ORF Dubious Q0142 n.a. 17 51052 51228 W Hypothetical protein 8410 S000007277 ORF Dubious Q0143 n.a. 17 51277 51429 W Hypothetical protein 8412 S000007278 ORF Dubious Q0144 n.a. 17 54109 54438 W Hypothetical protein 8414 S000007288 rRNA n.a. 21S_rRNA 21S_RRNA 17 58009 62447 W Mitochondrial 21S rRNA gene; intron encodes the I-SceI DNA endonuclease 8415 S000034078 intron n.a. n.a. n.a. 17 60725 61867 W n.a. 8418 S000007279 ORF Verified Q0160 SCEI 17 61022 61729 W I-SceI DNA endonuclease, encoded by the mitochondrial group I intron of the 21S_rRNA gene; mediates gene conversion that propagates the intron into intron-less copies of the 21S_rRNA gene 8420 S000007334 tRNA n.a. tT(UGU)Q1 n.a. 17 63862 63937 W tRNA-Thr 8422 S000007316 tRNA n.a. tC(GCA)Q n.a. 17 64415 64490 W tRNA-Cys 8424 S000007321 tRNA n.a. tH(GUG)Q n.a. 17 64596 64670 W tRNA-His 8426 S000007280 ORF Dubious Q0182 n.a. 17 65770 66174 W Hypothetical protein 8428 S000007324 tRNA n.a. tL(UAA)Q n.a. 17 66095 66179 W tRNA-Leu 8430 S000007329 tRNA n.a. tQ(UUG)Q n.a. 17 66210 66285 W tRNA-Gln 8432 S000007323 tRNA n.a. tK(UUU)Q n.a. 17 67061 67134 W tRNA-Lys 8434 S000007331 tRNA n.a. tR(UCU)Q1 n.a. 17 67309 67381 W tRNA-Arg 8436 S000007320 tRNA n.a. tG(UCC)Q n.a. 17 67468 67542 W tRNA-Gly 8438 S000007317 tRNA n.a. tD(GUC)Q n.a. 17 68322 68396 W tRNA-Asp 8440 S000007332 tRNA n.a. tS(GCU)Q1 n.a. 17 69203 69288 W tRNA-Ser 8442 S000007330 tRNA n.a. tR(ACG)Q2 n.a. 17 69289 69362 W tRNA-Arg 8444 S000007315 tRNA n.a. tA(UGC)Q n.a. 17 69846 69921 W tRNA-Ala 8446 S000007322 tRNA n.a. tI(GAU)Q n.a. 17 70162 70237 W tRNA-Ile 8448 S000007338 tRNA n.a. tY(GUA)Q n.a. 17 70824 70907 W tRNA-Tyr 8450 S000007327 tRNA n.a. tN(GUU)Q n.a. 17 71433 71503 W tRNA-Asn 8452 S000007325 tRNA n.a. tM(CAU)Q1 n.a. 17 72630 72705 W tRNA-Met 8454 S000007281 ORF Verified Q0250 COX2 17 73758 74513 W Subunit II of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; one of three mitochondrially-encoded subunits 8456 S000007282 ORF Uncharacterized Q0255 n.a. 17 74495 75984 W Hypothetical protein 8460 S000036466 intron n.a. n.a. n.a. 17 75623 75662 W n.a. 8461 S000036467 intron n.a. n.a. n.a. 17 75873 75903 W n.a. 8462 S000007319 tRNA n.a. tF(GAA)Q n.a. 17 77431 77505 W tRNA-Phe 8464 S000007335 tRNA n.a. tT(n.a.)Q2 n.a. 17 78162 78089 C tRNA-Thr 8466 S000007336 tRNA n.a. tV(UAC)Q n.a. 17 78533 78608 W tRNA-Val 8468 S000007283 ORF Verified Q0275 COX3 17 79213 80022 W Subunit III of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; one of three mitochondrially-encoded subunits 8470 S000007326 tRNA n.a. tM(CAU)Q2 n.a. 17 85035 85112 W tRNA-fMet 8472 S000029023 ncRNA n.a. RPM1 RPM1 17 85295 85777 W RNA component of mitochondrial RNase P, which also contains the protein subunit Rpm2p; Rnase P removes 5' extensions from tRNA precursors 8474 S000007284 ORF Dubious Q0297 n.a. 17 85554 85709 W Hypothetical protein 8477 S000028599 ORF Dubious YBL113W-A n.a. 2 646 1128 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 8479 S000002153 ORF Uncharacterized YBL113C n.a. 2 2658 280 C Hypothetical protein 8481 S000002152 ORF Uncharacterized YBL112C n.a. 2 2899 2582 C Hypothetical protein 8483 S000002151 ORF Uncharacterized YBL111C n.a. 2 5009 2907 C Hypothetical protein 8486 S000035859 intron n.a. n.a. n.a. 2 4215 4117 C n.a. 8487 S000002150 ORF Dubious YBL109W n.a. 2 5790 6125 W Hypothetical protein 8496 S000007592 ORF Uncharacterized YBL108C-A n.a. 2 7733 7605 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 8498 S000000204 ORF Dubious YBL108W n.a. 2 8177 8482 W Hypothetical protein 8502 S000007229 ORF Dubious YBL107W-A n.a. 2 9268 9372 W Similar to TyA and TyB proteins 8505 S000006647 tRNA n.a. tL(UAA)B1 n.a. 2 9583 9666 W tRNA-Leu 8507 S000000203 ORF Uncharacterized YBL107C n.a. 2 10551 9961 C Hypothetical protein 8509 S000000202 ORF Verified YBL106C SRO77 2 13879 10847 C Protein with roles in exocytosis and cation homeostasis; functions in docking and fusion of post-Golgi vesicles with plasma membrane; homolog of Sro7p and Drosophila lethal giant larvae tumor suppressor; interacts with SNARE protein Sec9p 8511 S000000201 ORF Verified YBL105C PKC1 2 17696 14241 C Protein serine/threonine kinase essential for cell wall remodeling during growth; localized to sites of polarized growth and the mother-daughter bud neck; homolog of the alpha, beta, and gamma isoforms of mammalian protein kinase C (PKC) 8513 S000000200 ORF Uncharacterized YBL104C n.a. 2 21293 18177 C Hypothetical protein 8515 S000000199 ORF Verified YBL103C RTG3 2 23535 22075 C Basic helix-loop-helix-leucine zipper (bHLH/Zip) transcription factor that forms a complex with another bHLH/Zip protein, Rtg1p, to activate the retrograde (RTG) and TOR pathways 8517 S000000198 ORF Verified YBL102W SFT2 2 24098 24745 W Non-essential tetra-spanning membrane protein found mostly in the late Golgi, can suppress some sed5 alleles; may be part of the transport machinery, but precise function is unknown; similar to mammalian syntaxin 5 8519 S000000197 ORF Verified YBL101C ECM21 2 28299 24946 C Non-essential protein of unknown function; promoter contains several Gcn4p binding elements 8521 S000028598 ORF Uncharacterized YBL100W-C n.a. 2 28427 28546 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 8534 S000006562 tRNA n.a. tF(GAA)B n.a. 2 36395 36485 W tRNA-Phe 8535 S000035371 intron n.a. n.a. n.a. 2 36432 36449 W n.a. 8538 S000000195 ORF Verified YBL099W ATP1 2 37050 38687 W Alpha subunit of the F1 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 8540 S000000196 ORF Dubious YBL100C n.a. 2 37300 36986 C Dubious open reading frame 8542 S000000194 ORF Verified YBL098W BNA4 2 39142 40524 W Kynurenine 3-mono oxygenase, required for biosynthesis of nicotinic acid from tryptophan via kynurenine pathway 8544 S000000193 ORF Verified YBL097W BRN1 2 40828 43092 W Essential protein required for chromosome condensation, likely to function as an intrinsic component of the condensation machinery, may influence multiple aspects of chromosome transmission and dynamics 8546 S000000191 ORF Uncharacterized YBL095W n.a. 2 43274 44086 W Hypothetical protein 8548 S000000192 ORF Dubious YBL096C n.a. 2 43479 43171 C Hypothetical protein 8550 S000000190 ORF Dubious YBL094C n.a. 2 44094 43762 C Hypothetical protein 8552 S000000189 ORF Verified YBL093C ROX3 2 44915 44253 C RNA polymerase II holoenzyme component 8554 S000000188 ORF Verified YBL092W RPL32 2 45975 46367 W Protein component of the large (60S) ribosomal subunit, has similarity to rat L32 ribosomal protein; overexpression disrupts telomeric silencing 8556 S000007228 ORF Verified YBL091C-A SCS22 2 47177 46562 C Protein involved in regulation of phospholipid metabolism; homolog of Scs2p2; similar to D. melanogaster inturned protein 8559 S000037852 intron n.a. n.a. n.a. 2 47143 47056 C n.a. 8560 S000000187 ORF Verified YBL091C MAP2 2 48625 47360 C Methionine aminopeptidase, catalyzes the cotranslational removal of N-terminal methionine from nascent polypeptides; function is partially redundant with that of Map1p 8562 S000000186 ORF Verified YBL090W MRP21 2 48822 49355 W Mitochondrial ribosomal protein of the large subunit; MRP21 exhibits genetic interactions with mutations in the COX2 and COX3 mRNA 5'-untranslated leader sequences 8564 S000000185 ORF Verified YBL089W AVT5 2 49571 50950 W Putative transporter, member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters 8566 S000000184 ORF Verified YBL088C TEL1 2 59379 51016 C Protein kinase, primarily involved in telomere length regulation; contributes to cell cycle checkpoint control in response to DNA damage; functionally redundant with Mec1p; homolog of human ataxia telangiectasia (ATM) gene 8568 S000000183 ORF Verified YBL087C RPL23A 2 60735 59818 C Protein component of the large (60S) ribosomal subunit, identical to Rpl23Bp and has similarity to E. coli L14 and rat L23 ribosomal proteins 8571 S000030033 intron n.a. n.a. n.a. 2 60693 60190 C n.a. 8572 S000000182 ORF Uncharacterized YBL086C n.a. 2 62599 61199 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 8574 S000000181 ORF Verified YBL085W BOI1 2 63873 66815 W Protein implicated in polar growth, functionally redundant with Boi2p; interacts with bud-emergence protein Bem1p; contains an SH3 (src homology 3) domain and a PH (pleckstrin homology) domain 8576 S000000180 ORF Verified YBL084C CDC27 2 69442 67166 C Subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition 8578 S000000179 ORF Dubious YBL083C n.a. 2 70135 69710 C Hypothetical protein 8580 S000000178 ORF Verified YBL082C ALG3 2 71124 69748 C Dolichol-P-Man dependent alpha(1-3) mannosyltransferase, involved in the synthesis of dolichol-linked oligosaccharide donor for N-linked glycosylation of proteins 8582 S000000177 ORF Uncharacterized YBL081W n.a. 2 71863 72969 W Hypothetical protein 8584 S000000176 ORF Verified YBL080C PET112 2 74692 73067 C Protein required for mitochondrial translation; mutation is functionally complemented by a Bacillus subtilis ortholog 8586 S000000175 ORF Verified YBL079W NUP170 2 75256 79764 W Abundant subunit of the nuclear pore complex (NPC), required for proper localization of specific nucleoporins within the NPC, involved in nuclear envelope permeability and in chromosome segregation, has similarity to Nup157p 8588 S000000174 ORF Verified YBL078C ATG8 2 80728 80375 C Protein required for autophagy; modified by the serial action of Atg4p, Atg7p, and Atg3p, and conjugated at the C terminus with phosphatidylethanolamine, to become the form essential for generation of autophagosomes 8590 S000000173 ORF Dubious YBL077W n.a. 2 80895 81326 W Protein required for cell viability 8592 S000000172 ORF Verified YBL076C ILS1 2 84259 81041 C Cytoplasmic isoleucine-tRNA synthetase, target of the G1-specific inhibitor reveromycin A 8594 S000000171 ORF Verified YBL075C SSA3 2 86446 84497 C ATPase involved in protein folding and the response to stress; plays a role in SRP-dependent cotranslational protein-membrane targeting and translocation; member of the heat shock protein 70 (HSP70) family; localized to the cytoplasm 8596 S000000169 ORF Dubious YBL073W n.a. 2 87644 87955 W Protein required for cell viability 8598 S000000170 ORF Verified YBL074C AAR2 2 87787 86720 C Component of the U5 snRNP, required for splicing of U3 precursors; originally described as a splicing factor specifically required for splicing pre-mRNA of the MATa1 cistron 8600 S000006447 snoRNA n.a. snR56 SNR56 2 88188 88275 W guides 2'-O-methylation on small subunit rRNA at G1427; small nucleolar RNA snR56 8602 S000000168 ORF Verified YBL072C RPS8A 2 89123 88521 C Protein component of the small (40S) ribosomal subunit; identical to Rps8Ap and has similarity to rat S8 ribosomal protein 8604 S000028597 ORF Uncharacterized YBL071C-B n.a. 2 89554 89456 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 8606 S000007587 ORF Verified YBL071W-A KTI11 2 89976 90224 W Protein required, along with Dph1p, Dph2p, Jjj3p, and Dph5p, for synthesis of diphthamide, which is a modified histidine residue of translation elongation factor 2 (Eft1p or Eft2p); may act in a complex with Dph1p and Dph2p 8608 S000000167 ORF Dubious YBL071C n.a. 2 90529 90221 C Hypothetical protein 8610 S000000165 ORF Verified YBL069W AST1 2 90739 92028 W Peripheral membrane protein that interacts with the plasma membrane ATPase Pma1p and has a role in its targeting to the plasma membrane, possibly by influencing its incorporation into lipid rafts 8612 S000000166 ORF Dubious YBL070C n.a. 2 90923 90603 C Hypothetical protein 8614 S000028530 ORF Dubious YBL068W-A n.a. 2 91792 92028 W Identified by fungal homology and RT-PCR 8616 S000000164 ORF Verified YBL068W PRS4 2 92412 93395 W 5-phospho-ribosyl-1(alpha)-pyrophosphate synthetase, involved in nucleotide, histidine, and tryptophan biosynthesis; one of a five related enzymes, which are active as heteromultimeric complexes 8618 S000000163 ORF Verified YBL067C UBP13 2 95884 93641 C Putative ubiquitin-specific protease 8620 S000000161 ORF Dubious YBL065W n.a. 2 99965 100309 W Hypothetical protein 8622 S000000162 ORF Verified YBL066C SEF1 2 100117 96671 C Putative transcription factor, has homolog in Kluyveromyces lactis 8624 S000000160 ORF Verified YBL064C PRX1 2 101158 100373 C Mitochondrial peroxiredoxin (1-Cys Prx) with thioredoxin peroxidase activity, has a role in reduction of hydroperoxides; induced during respiratory growth and under conditions of oxidative stress 8626 S000000159 ORF Verified YBL063W KIP1 2 101888 105223 W Kinesin-related motor protein required for mitotic spindle assembly and chromosome segregation; functionally redundant with Cin8p 8628 S000000158 ORF Dubious YBL062W n.a. 2 105310 105690 W Hypothetical protein 8630 S000000157 ORF Verified YBL061C SKT5 2 107408 105318 C Activator of Chs3p (chitin synthase III), recruits Chs3p to the bud neck via interaction with Bni4p; has similarity to Shc1p, which activates Chs3p during sporulation 8632 S000000156 ORF Uncharacterized YBL060W n.a. 2 107934 109997 W Hypothetical protein 8634 S000007488 ORF Uncharacterized YBL059C-A n.a. 2 110541 110127 C Hypothetical protein 8637 S000032275 intron n.a. n.a. n.a. 2 110507 110423 C n.a. 8638 S000000155 ORF Uncharacterized YBL059W n.a. 2 110596 111246 W Hypothetical protein 8641 S000035394 intron n.a. n.a. n.a. 2 110882 110950 W n.a. 8642 S000000154 ORF Verified YBL058W SHP1 2 111439 112710 W UBX (ubiquitin regulatory X) domain-containing protein that regulates Glc7p phosphatase activity and interacts with Cdc48p; interacts with ubiquitylated proteins in vivo and is required for degradation of a ubiquitylated model substrate 8644 S000000153 ORF Verified YBL057C PTH2 2 113447 112803 C One of two (see also PTH1) mitochondrially-localized peptidyl-tRNA hydrolases; dispensable for cell growth 8646 S000000152 ORF Verified YBL056W PTC3 2 113765 115171 W Type 2C protein phosphatase; dephosphorylates Hog1p (see also Ptc2p) to limit maximal kinase activity induced by osmotic stress; dephosphorylates T169 phosphorylated Cdc28p (see also Ptc2p); role in DNA checkpoint inactivation 8648 S000000151 ORF Uncharacterized YBL055C n.a. 2 116832 115576 C Hypothetical protein 8650 S000000150 ORF Uncharacterized YBL054W n.a. 2 117592 119169 W Hypothetical protein 8652 S000000149 ORF Dubious YBL053W n.a. 2 119338 119712 W Hypothetical protein 8654 S000000148 ORF Verified YBL052C SAS3 2 121877 119382 C Histone acetyltransferase catalytic subunit of NuA3 complex that acetylates histone H3, involved in transcriptional silencing; homolog of the mammalian MOZ proto-oncogene; sas3 gcn5 double mutation confers lethality 8656 S000000147 ORF Verified YBL051C PIN4 2 124762 122756 C Protein involved in G2/M phase progression and response to DNA damage, interacts with Rad53p; contains an RNA recognition motif, a nuclear localization signal, and several SQ/TQ cluster domains; hyperphosphorylated in response to DNA damage 8658 S000000146 ORF Verified YBL050W SEC17 2 125128 126122 W Peripheral membrane protein required for vesicular transport between ER and Golgi and for the 'priming' step in homotypic vacuole fusion, part of the cis-SNARE complex; has similarity to alpha-SNAP 8661 S000032146 intron n.a. n.a. n.a. 2 125158 125273 W n.a. 8662 S000000145 ORF Uncharacterized YBL049W MOH1 2 126831 127247 W Protein of unknown function, has homology to kinase Snf7p; not required for growth on nonfermentable carbon sources; essential for viability in stationary phase 8664 S000000144 ORF Dubious YBL048W n.a. 2 127302 127613 W Hypothetical protein 8666 S000000143 ORF Verified YBL047C EDE1 2 132043 127898 C Key endocytic protein involved in a network of interactions with other endocytic proteins, binds membranes in a ubiquitin-dependent manner, may also bind ubiquitinated membrane-associated proteins 8668 S000000142 ORF Uncharacterized YBL046W n.a. 2 132427 133752 W Hypothetical protein 8670 S000000141 ORF Verified YBL045C COR1 2 135519 134146 C Core subunit of the ubiquinol-cytochrome c reductase complex (bc1 complex), which is a component of the mitochondrial inner membrane electron transport chain 8672 S000000140 ORF Uncharacterized YBL044W n.a. 2 136001 136369 W Hypothetical protein 8674 S000000139 ORF Verified YBL043W ECM13 2 136691 137464 W Non-essential protein of unknown function 8676 S000000138 ORF Verified YBL042C FUI1 2 140263 138344 C High affinity uridine permease, localized to the plasma membrane; not involved in uracil transport 8678 S000000137 ORF Verified YBL041W PRE7 2 141250 141975 W 20S proteasome beta-type subunit 8680 S000000136 ORF Verified YBL040C ERD2 2 142871 142115 C Integral membrane protein that binds to the HDEL motif in proteins destined for retention in the endoplasmic reticulum; has a role in maintenance of normal levels of ER-resident proteins 8683 S000036162 intron n.a. n.a. n.a. 2 142849 142753 C n.a. 8684 S000028517 ORF Uncharacterized YBL039W-B n.a. 2 143396 143575 W Identified by homology to Ashbya gossypii 8686 S000028814 ORF Dubious YBL039C-A n.a. 2 145034 144951 C Identified by expression profiling and mass spectrometry 8688 S000000135 ORF Verified YBL039C URA7 2 145731 143992 C Major CTP synthase isozyme (see also URA8), catalyzes the ATP-dependent transfer of the amide nitrogen from glutamine to UTP, forming CTP, the final step in de novo biosynthesis of pyrimidines; involved in phospholipid biosynthesis 8690 S000000134 ORF Verified YBL038W MRPL16 2 146190 146888 W Mitochondrial ribosomal protein of the large subunit 8692 S000000133 ORF Verified YBL037W APL3 2 147212 150289 W Alpha-adaptin, large subunit of the clathrin associated protein complex (AP-2); involved in vesicle mediated transport 8694 S000000132 ORF Verified YBL036C n.a. 2 151223 150450 C Single-domain racemase, possibly non-specific due to the lack of the second domain, which presumably determines specificity 8696 S000000131 ORF Verified YBL035C POL12 2 153613 151496 C B subunit of DNA polymerase alpha-primase complex, required for initiation of DNA replication during mitotic and premeiotic DNA synthesis; also functions in telomere capping and length regulation 8698 S000000130 ORF Verified YBL034C STU1 2 158392 153851 C Component of the mitotic spindle that binds to interpolar microtubules via its association with beta-tubulin (Tub2p); required for interpolar microtubules to provide an outward force on the spindle poles 8700 S000000129 ORF Verified YBL033C RIB1 2 159696 158659 C GTP cyclohydrolase II; catalyzes the first step of the riboflavin biosynthesis pathway 8702 S000000128 ORF Verified YBL032W HEK2 2 160187 161332 W RNA binding protein with similarity to hnRNP-K that localizes to the cytoplasm and to subtelomeric DNA; required for the proper localization of ASH1 mRNA; involved in the regulation of telomere position effect and telomere length 8704 S000000127 ORF Verified YBL031W SHE1 2 161702 162718 W Cytoskeletal protein of unknown function; overexpression causes growth arrest 8706 S000000126 ORF Verified YBL030C PET9 2 164000 163044 C Major ADP/ATP carrier of the mitochondrial inner membrane, exchanges cytosolic ADP for mitochondrially synthesized ATP; required for viability in many common lab strains carrying a mutation in the polymorphic SAL1 gene 8708 S000007591 ORF Uncharacterized YBL029C-A n.a. 2 164775 164491 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery; has potential orthologs in Saccharomyces species and in Yarrowia lipolytica 8710 S000000125 ORF Uncharacterized YBL029W n.a. 2 166137 167267 W Hypothetical protein 8712 S000000124 ORF Uncharacterized YBL028C n.a. 2 167841 167521 C Hypothetical protein 8714 S000000123 ORF Verified YBL027W RPL19B 2 168426 169379 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl19Bp and has similarity to rat L19 ribosomal protein; rpl19a and rpl19b single null mutations result in slow growth, while the double null mutation is lethal 8717 S000031848 intron n.a. n.a. n.a. 2 168428 168811 W n.a. 8718 S000000122 ORF Verified YBL026W LSM2 2 170626 171041 W Component of small nuclear ribonucleoprotein complexes involved in RNA processing, splicing, and decay 8721 S000030860 intron n.a. n.a. n.a. 2 170680 170807 W n.a. 8722 S000000121 ORF Verified YBL025W RRN10 2 171484 171921 W subunit of UAF (upstream activation factor); involved in promoting high level transcription of rDNA; Upstream activation factor subunit 8724 S000000120 ORF Verified YBL024W NCL1 2 172537 174591 W S-adenosyl-L-methionine-dependent tRNA: m5C-methyltransferase, methylates cytosine to m5C at several positions in tRNAs and intron-containing pre-tRNAs; similar to Nop2p and human proliferation associated nucleolar protein p120 8726 S000000119 ORF Verified YBL023C MCM2 2 177529 174923 C Protein involved in DNA replication; component of the Mcm2-7 hexameric complex that binds chromatin as a part of the pre-replicative complex 8728 S000000118 ORF Verified YBL022C PIM1 2 181278 177877 C Mitochondrial ATP-dependent protease involved in intramitochondrial proteolysis; involved in degradation of misfolded proteins in mitochondria; required for bigenesis and maintenance of mitochondria 8730 S000000117 ORF Verified YBL021C HAP3 2 182097 181663 C Subunit of the heme-activated, glucose-repressed Hap2p/3p/4p/5p CCAAT-binding complex, a transcriptional activator and global regulator of respiratory gene expression; contains sequences contributing to both complex assembly and DNA binding 8732 S000000116 ORF Verified YBL020W RFT1 2 182404 184128 W Flippase, essential integral membrane protein that is required for translocation of Man5GlcNac2-PP-Dol from the cytoplasmic side to the lumenal side of the ER membrane; mutation is suppressed by expression human p53 protein 8734 S000000115 ORF Verified YBL019W APN2 2 184356 185918 W Class II abasic (AP) endonuclease involved in repair of DNA damage; homolog of human HAP1 and E. coli exoIII 8736 S000000114 ORF Verified YBL018C POP8 2 186477 186001 C Subunit of both RNase MRP, which cleaves pre-rRNA, and nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends 8739 S000035954 intron n.a. n.a. n.a. 2 186430 186356 C n.a. 8740 S000000113 ORF Verified YBL017C PEP1 2 191586 186847 C Type I transmembrane sorting receptor for multiple vacuolar hydrolases; cycles between the late-Golgi and prevacuolar endosome-like compartments 8742 S000000112 ORF Verified YBL016W FUS3 2 192454 193515 W Mitogen-activated protein kinase involved in mating pheromone response; activated by phoshporylation by Ste7p; provides specificity during the mating vs. filamentous growth response by phosphorylating transcriptional and cytoplasmic targets 8744 S000000111 ORF Verified YBL015W ACH1 2 194125 195705 W Acetyl-coA hydrolase, primarily localized to mitochondria; required for acetate utilization and for diploid pseudohyphal growth 8747 S000006600 tRNA n.a. tI(AAU)B n.a. 2 197497 197570 W tRNA-Ile 8749 S000006574 tRNA n.a. tG(GCC)B n.a. 2 197702 197632 C tRNA-Gly 8752 S000000110 ORF Verified YBL014C RRN6 2 201751 199067 C involved in the transcription of 35S rRNA genes by RNA polymerase I; member of yeast Pol I core factor (CF) also composed of Rrn11p, Rrn7p and TATA-binding protein 8754 S000000109 ORF Verified YBL013W FMT1 2 202059 203264 W Methionyl-tRNA formyltransferase, catalyzes the formylation of initiator Met-tRNA in mitochondria; potential Cdc28p substrate 8756 S000000107 ORF Verified YBL011W SCT1 2 203541 205820 W Glycerol 3-phosphate/dihydroxyacetone phosphate dual substrate-specific sn-1 acyltransferase of the glycerolipid biosynthesis pathway, prefers 16-carbon fatty acids, similar to Gpt2p, gene is constitutively transcribed 8758 S000000108 ORF Dubious YBL012C n.a. 2 203810 203409 C Hypothetical protein 8760 S000000106 ORF Uncharacterized YBL010C n.a. 2 206952 206110 C Hypothetical protein 8762 S000000105 ORF Uncharacterized YBL009W n.a. 2 207197 209227 W haspin 8764 S000028529 ORF Uncharacterized YBL008W-A n.a. 2 209412 209651 W Identified by fungal homology and RT-PCR 8766 S000000104 ORF Verified YBL008W HIR1 2 209656 212178 W Non-essential transcriptional corepressor involved in the cell cycle-regulated transcription of histone H2A, H2B, H3 and H4 genes; contributes to nucleosome formation, heterochromatic gene silencing, and formation of functional kinetochores 8768 S000000103 ORF Verified YBL007C SLA1 2 216369 212635 C Cytoskeletal protein binding protein required for assembly of the cortical actin cytoskeleton; contains 3 SH3 domains; interacts with proteins regulating actin dynamics and with proteins required for endocytosis 8770 S000028596 ORF Dubious YBL006W-A n.a. 2 216714 216863 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 8772 S000000102 ORF Verified YBL006C LDB7 2 217132 216590 C Protein of unknown function; null mutant shows a reduced affinity for the alcian blue dye suggesting a decreased net negative charge of the cell surface 8774 S000000101 ORF Verified YBL005W PDR3 2 217473 220403 W Transcriptional activator of the pleiotropic drug resistance network, regulates expression of ATP-binding cassette (ABC) transporters through binding to cis-acting sites known as PDREs (PDR responsive elements) 8786 S000006720 tRNA n.a. tS(AGA)B n.a. 2 227078 227159 W tRNA-Ser 8788 S000000100 ORF Uncharacterized YBL004W UTP20 2 227639 235120 W Possible snoRNA-binding protein, based on computational analysis of large-scale protein-protein interaction data 8790 S000000099 ORF Verified YBL003C HTA2 2 235795 235397 C One of two nearly identical (see also HTA1) histone H2A subtypes; core histone required for chromatin assembly and chromosome function; DNA damage-dependent phosphorylation by Mec1p facilitates DNA repair; acetylated by Nat4p 8792 S000000098 ORF Verified YBL002W HTB2 2 236495 236890 W One of two nearly identical (see HTB2) histone H2B subtypes required for chromatin assembly and chromosome function; Rad6p-Bre1p-Lge1p mediated ubiquitination regulates transcriptional activation, meiotic DSB formation and H3 methylation 8794 S000000097 ORF Verified YBL001C ECM15 2 237469 237155 C Non-essential protein of unknown function, likely exists as tetramer, may be regulated by the binding of small-molecule ligands (possibly sulfate ions), may have a role in yeast cell-wall biogenesis 8800 S000000205 ORF Verified YBR001C NTH2 2 241285 238943 C Neutral trehalase, degrades trehalose; required for thermotolerance and may mediate resistance to other cellular stresses 8802 S000000206 ORF Verified YBR002C RER2 2 242570 241710 C Cis-prenyltransferase involved in dolichol synthesis; participates in endoplasmic reticulum (ER) protein sorting 8804 S000000207 ORF Verified YBR003W COQ1 2 242811 244232 W Hexaprenyl pyrophosphate synthetase, catalyzes the first step in ubiquinone (coenzyme Q) biosynthesis 8806 S000000208 ORF Verified YBR004C GPI18 2 245669 244368 C Functional ortholog of human PIG-V, which is a mannosyltransferase that transfers the second mannose in glycosylphosphatidylinositol biosynthesis; the authentic, non-tagged protein was localized to mitochondria 8808 S000000209 ORF Verified YBR005W RCR1 2 245908 246549 W Protein of the endoplasmic reticulum membrane involved in chitin deposition in the cell wall; overproduction confers resistance to Congo Red 8810 S000000210 ORF Verified YBR006W UGA2 2 247012 248505 W Succinate semialdehyde dehydrogenase involved in the utilization of gamma-aminobutyrate (GABA) as a nitrogen source; part of the 4-aminobutyrate and glutamate degradation pathways; localized to the cytoplasm 8812 S000000211 ORF Uncharacterized YBR007C n.a. 2 251017 248807 C ORF, Uncharacterized 8814 S000000212 ORF Verified YBR008C FLR1 2 254210 252564 C Plasma membrane multidrug transporter, member of the major facilitator superfamily; involved in efflux of fluconazole, diazaborine, benomyl, methotrexate, and other drugs 8816 S000000213 ORF Verified YBR009C HHF1 2 255682 255371 C One of two identical histone H4 proteins (see also HHF2); core histone required for chromatin assembly and chromosome function; contributes to telomeric silencing; N-terminal domain involved in maintaining genomic integrity 8818 S000000214 ORF Verified YBR010W HHT1 2 256329 256739 W One of two identical histone H3 proteins (see also HHT2); core histone required for chromatin assembly, involved in heterochromatin-mediated telomeric and HM silencing; regulated by acetylation, methylation, and mitotic phosphorylation 8820 S000000215 ORF Verified YBR011C IPP1 2 257973 257110 C Cytoplasmic inorganic pyrophosphatase (PPase), catalyzes the rapid exchange of oxygens from Pi with water, highly expressed and essential for viability, active-site residues show identity to those from E. coli PPase 8823 S000000216 ORF Dubious YBR012C n.a. 2 259564 259145 C Hypothetical protein 8834 S000000217 ORF Uncharacterized YBR013C n.a. 2 265879 265490 C Hypothetical protein 8837 S000006737 tRNA n.a. tT(AGU)B n.a. 2 266378 266450 W tRNA-Thr 8839 S000000218 ORF Uncharacterized YBR014C n.a. 2 267336 266725 C Hypothetical protein 8841 S000000219 ORF Verified YBR015C MNN2 2 269503 267710 C Alpha-1,2-mannosyltransferase, responsible for addition of the first alpha-1,2-linked mannose to form the branches on the mannan backbone of oligosaccharides, localizes to an early Golgi compartment 8843 S000000220 ORF Uncharacterized YBR016W n.a. 2 270247 270633 W Plasma membrane protein of unknown function; has similarity to hydrophilins, which are hydrophilic, glycine-rich proteins involved in the adaptive response to hyperosmotic conditions 8845 S000000221 ORF Verified YBR017C KAP104 2 273703 270947 C Transportin, cytosolic karyopherin beta 2 involved in delivery of heterogeneous nuclear ribonucleoproteins to the nucleoplasm, binds rg-nuclear localization signals on Nab2p and Hrp1p, plays a role in cell-cycle progression 8847 S000000222 ORF Verified YBR018C GAL7 2 275527 274427 C Galactose-1-phosphate uridyl transferase, synthesizes glucose-1-phosphate and UDP-galactose from UDP-D-glucose and alpha-D-galactose-1-phosphate in the second step of galactose catabolism 8849 S000000223 ORF Verified YBR019C GAL10 2 278352 276253 C UDP-glucose-4-epimerase, catalyzes the interconversion of UDP-galactose and UDP-D-glucose in galactose metabolism; also catalyzes the conversion of alpha-D-glucose or alpha-D-galactose to their beta-anomers 8851 S000000224 ORF Verified YBR020W GAL1 2 279021 280607 W Galactokinase, phosphorylates alpha-D-galactose to alpha-D-galactose-1-phosphate in the first step of galactose catabolism; expression regulated by Gal4p 8853 S000000225 ORF Verified YBR021W FUR4 2 281443 283344 W Uracil permease, localized to the plasma membrane; expression is tightly regulated by uracil levels and environmental cues 8855 S000000226 ORF Verified YBR022W POA1 2 283738 284271 W Phosphatase that is highly specific for ADP-ribose 1''-phosphate, a tRNA splicing metabolite; may have a role in regulation of tRNA splicing 8857 S000000227 ORF Verified YBR023C CHS3 2 287925 284428 C Chitin synthase III, catalyzes the transfer of N-acetylglucosamine (GlcNAc) to chitin; required for synthesis of the majority of cell wall chitin, the chitin ring during bud emergence, and spore wall chitosan 8859 S000000228 ORF Verified YBR024W SCO2 2 289445 290350 W Protein anchored to the mitochondrial inner membrane, similar to Sco1p and may have a redundant function with Sco1p in delivery of copper to cytochrome c oxidase; interacts with Cox2p 8861 S000000229 ORF Uncharacterized YBR025C n.a. 2 291865 290681 C Hypothetical protein 8863 S000000230 ORF Verified YBR026C ETR1 2 294019 292877 C 2-enoyl thioester reductase, member of the medium chain dehydrogenase/reductase family; localized to in mitochondria, where it has a probable role in fatty acid synthesis 8865 S000000231 ORF Dubious YBR027C n.a. 2 294356 294024 C Hypothetical protein 8867 S000000232 ORF Uncharacterized YBR028C n.a. 2 296002 294425 C Hypothetical protein 8869 S000000233 ORF Verified YBR029C CDS1 2 297742 296369 C Phosphatidate cytidylyltransferase (CDP-diglyceride synthetase); an enzyme that catalyzes that conversion of CTP + phosphate into diphosphate + CDP-diaclglyerol, a critical step in the synthesis of all major yeast phospholipids 8871 S000000234 ORF Uncharacterized YBR030W n.a. 2 298292 299950 W Hypothetical protein 8873 S000000235 ORF Verified YBR031W RPL4A 2 300166 301254 W N-terminally acetylated protein component of the large (60S) ribosomal subunit, nearly identical to Rpl4Bp and has similarity to E. coli L4 and rat L4 ribosomal proteins 8875 S000000236 ORF Dubious YBR032W n.a. 2 301519 301821 W Hypothetical protein 8877 S000000237 ORF Uncharacterized YBR033W n.a. 2 301944 304703 W Non-essential protein of unknown function 8879 S000000238 ORF Verified YBR034C HMT1 2 305976 304930 C Nuclear SAM-dependent mono- and asymmetric arginine dimethylating methyltransferase that modifies hnRNPs, including Npl3p and Hrp1p, thus facilitating nuclear export of these proteins; required for viability of npl3 mutants 8881 S000000239 ORF Verified YBR035C PDX3 2 306955 306269 C Pyridoxine (pyridoxamine) phosphate oxidase, has homologs in E. coli and Myxococcus xanthus; transcription is under the general control of nitrogen metabolism 8883 S000006657 ncRNA n.a. TLC1 TLC1 2 307587 308887 W TLC1 RNA contains a template sequence that Est2p uses to add irregular repeats of TG(1-3) residues onto a DNA end; RNA template component of telomerase 8885 S000000240 ORF Verified YBR036C CSG2 2 310313 309081 C Endoplasmic reticulum membrane protein, required for mannosylation of inositolphosphorylceramide and for growth at high calcium concentrations 8887 S000000241 ORF Verified YBR037C SCO1 2 311451 310564 C Copper-binding protein of the mitochondrial inner membrane, required for cytochrome c oxidase activity and respiration; may function to deliver copper to cytochrome c oxidase; has similarity to thioredoxins 8889 S000000242 ORF Verified YBR038W CHS2 2 311897 314788 W Chitin synthase II, requires activation from zymogenic form in order to catalyze the transfer of N-acetylglucosamine (GlcNAc) to chitin; required for the synthesis of chitin in the primary septum during cytokinesis 8891 S000000243 ORF Verified YBR039W ATP3 2 315575 316510 W Gamma subunit of the F1 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 8893 S000000244 ORF Verified YBR040W FIG1 2 316968 317864 W Integral membrane protein required for efficient mating; may participate in or regulate the low affinity Ca2+ influx system, which affects intracellular signaling and cell-cell fusion during mating 8895 S000000245 ORF Verified YBR041W FAT1 2 318266 320275 W Fatty acid transporter and very long-chain fatty acyl-CoA synthetase, may form a complex with Faa1p or Faa4p that imports and activates exogenous fatty acids 8897 S000000246 ORF Uncharacterized YBR042C n.a. 2 321609 320416 C Hypothetical protein 8899 S000000247 ORF Verified YBR043C QDR3 2 323945 321876 C Multidrug transporter required for resistance to quinidine, barban, cisplatin, and bleomycin; member of the major facilitator superfamily of transporters conferring multiple drug resistance (MFS-MDR) 8901 S000000248 ORF Verified YBR044C TCM62 2 326058 324337 C Protein involved in the assembly of the mitochondrial succinate dehydrogenase complex; putative chaperone 8903 S000006769 tRNA n.a. tV(UAC)B n.a. 2 326864 326791 C tRNA-Val 8907 S000000249 ORF Verified YBR045C GIP1 2 330090 328369 C Meiosis-specific protein proposed to be a regulatory subunit of the protein phosphatase Glc7p, required for spore wall formation and proper septin organization 8909 S000000250 ORF Verified YBR046C ZTA1 2 331509 330505 C Zeta-crystallin homolog, found in the cytoplasm and nucleus; has similarity to E. coli quinone oxidoreductase and to human zeta-crystallin, which has quinone oxidoreductase activity 8911 S000000251 ORF Uncharacterized YBR047W n.a. 2 331831 332358 W The authentic, non-tagged protein was localized to the mitochondria 8913 S000000252 ORF Verified YBR048W RPS11B 2 332829 333810 W Protein component of the small (40S) ribosomal subunit; identical to Rps11Ap and has similarity to E. coli S17 and rat S11 ribosomal proteins 8916 S000035810 intron n.a. n.a. n.a. 2 332874 333384 W n.a. 8917 S000000253 ORF Verified YBR049C REB1 2 336816 334384 C RNA polymerase I enhancer binding protein; DNA binding protein which binds to genes transcribed by both RNA polymerase I and RNA polymerase II; required for termination of RNA polymerase I transcription 8919 S000000255 ORF Dubious YBR051W n.a. 2 337986 338336 W Hypothetical protein 8921 S000000254 ORF Verified YBR050C REG2 2 338197 337181 C Protein that binds type 1 protein phosphatase Glc7p; involved with Reg1p, Glc7p, and Snf1p in regulation of glucose-repressible genes 8923 S000000256 ORF Uncharacterized YBR052C n.a. 2 339350 338718 C Protein of unknown function; member of a flavodoxin-like fold protein family that includes Pst2p and Ycp4p; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 8925 S000000257 ORF Uncharacterized YBR053C n.a. 2 340749 339673 C Hypothetical protein 8927 S000000258 ORF Verified YBR054W YRO2 2 343099 344133 W Putative plasma membrane protein of unknown function, transcriptionally regulated by Haa1p; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery and bud 8929 S000000259 ORF Verified YBR055C PRP6 2 347299 344600 C Splicing factor, component of the U4/U6-U5 snRNP complex 8931 S000006648 tRNA n.a. tL(UAA)B2 n.a. 2 347601 347684 W tRNA-Leu 8933 S000000260 ORF Uncharacterized YBR056W n.a. 2 347877 349382 W Hypothetical protein 8936 S000006691 tRNA n.a. tQ(UUG)B n.a. 2 350825 350896 W tRNA-Gln 8938 S000028736 ORF Uncharacterized YBR056W-A n.a. 2 351253 351453 W ORF, Uncharacterized 8940 S000000261 ORF Verified YBR057C MUM2 2 353291 352191 C Cytoplasmic protein essential for meiotic DNA replication and sporulation; interacts with Orc2p, which is a component of the origin recognition complex 8942 S000000262 ORF Verified YBR058C UBP14 2 356015 353670 C Ubiquitin-specific protease that specifically disassembles unanchored ubiquitin chains; involved in fructose-1,6-bisphosphatase (Fbp1p) degradation; similar to human isopeptidase T 8944 S000007521 ORF Verified YBR058C-A TSC3 2 356564 356322 C Protein that stimulates the activity of serine palmitoyltransferase (Lcb1p, Lcb2p) several-fold; involved in sphingolipid biosynthesis 8946 S000000263 ORF Verified YBR059C AKL1 2 360185 356859 C Ser-Thr protein kinase, member (with Ark1p and Prk1p) of the Ark kinase family; involved in endocytosis and actin cytoskeleton organization 8948 S000000264 ORF Verified YBR060C ORC2 2 362512 360650 C Subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing; may be phosphorylated by Cdc28p 8950 S000000265 ORF Verified YBR061C TRM7 2 365717 364785 C 2'-O-ribose methyltransferase, methylates the 2'-O-ribose of nucleotides at positions 32 and 34 of the tRNA anticodon loop 8952 S000000266 ORF Uncharacterized YBR062C n.a. 2 366598 365974 C Hypothetical protein 8955 S000032828 intron n.a. n.a. n.a. 2 366582 366501 C n.a. 8956 S000000268 ORF Dubious YBR064W n.a. 2 367761 368189 W Hypothetical protein 8958 S000000267 ORF Uncharacterized YBR063C n.a. 2 368182 366968 C Hypothetical protein 8960 S000000269 ORF Verified YBR065C ECM2 2 369676 368582 C Pre-mRNA splicing factor, facilitates the cooperative formation of U2/U6 helix II in association with stem II in the spliceosome, function may be regulated by Slu7p 8962 S000000270 ORF Verified YBR066C NRG2 2 370697 370035 C Transcriptional repressor that mediates glucose repression and negatively regulates filamentous growth; has similarity to Nrg1p 8964 S000000271 ORF Verified YBR067C TIP1 2 372732 372100 C Major cell wall mannoprotein with possible lipase activity; transcription is induced by heat- and cold-shock; member of the Srp1p/Tip1p family of serine-alanine-rich proteins 8966 S000000272 ORF Verified YBR068C BAP2 2 375687 373858 C High-affinity leucine permease, functions as a branched-chain amino acid permease involved in the uptake of leucine, isoleucine and valine; contains 12 predicted transmembrane domains 8968 S000000273 ORF Verified YBR069C TAT1 2 378430 376571 C Amino acid transport protein for valine, leucine, isoleucine, and tyrosine, low-affinity tryptophan and histidine transporter; overexpression confers FK506 resistance 8970 S000000274 ORF Verified YBR070C ALG14 2 379931 379218 C Essential protein required for the second step of dolichyl-linked oligosaccharide synthesis; involved in N-linked glycosylation; similar to bacterial glycosyltransferases 8972 S000000275 ORF Uncharacterized YBR071W n.a. 2 380408 381043 W Hypothetical protein 8974 S000000276 ORF Verified YBR072W HSP26 2 382027 382671 W Small heat shock protein with chaperone activity that is regulated by a heat induced transition from an inactive oligomeric (24-mer) complex to an active dimer; induced by heat, upon entry into stationary phase, and during sporulation 8976 S000028532 ORF Uncharacterized YBR072C-A n.a. 2 383016 382855 C Identified by fungal homology and RT-PCR 8978 S000000277 ORF Verified YBR073W RDH54 2 383209 385983 W DNA-dependent ATPase, stimulates strand exchange by modifying the topology of double-stranded DNA; involved in the recombinational repair of double-strand breaks in DNA during mitosis and meiosis; proposed to be involved in crossover interference 8980 S000000278 ORF Uncharacterized YBR074W n.a. 2 386281 389211 W Putative metalloprotease 8982 S000000280 ORF Verified YBR076W ECM8 2 390369 391388 W Non-essential protein of unknown function 8984 S000028533 ORF Dubious YBR076C-A n.a. 2 391611 391345 C Identified by fungal homology and RT-PCR 8986 S000000281 ORF Verified YBR077C SLM4 2 392287 391799 C Component of the EGO complex, which is involved in the regulation of microautophagy; gene exhibits synthetic genetic interaction with MSS4 encoding phosphatidylinositol 4-phosphate kinase 8988 S000000282 ORF Verified YBR078W ECM33 2 393118 394854 W GPI-anchored protein of unknown function, has a possible role in apical bud growth; GPI-anchoring on the plasma membrane crucial to function; similar to Sps2p and Pst1p 8991 S000030048 intron n.a. n.a. n.a. 2 393176 393505 W n.a. 8992 S000000283 ORF Verified YBR079C RPG1 2 398271 395377 C Subunit of the core complex of translation initiation factor 3(eIF3), essential for translation; part of a subcomplex (Prt1p-Rpg1p-Nip1p) that stimulates binding of mRNA and tRNA(i)Met to ribosomes 8994 S000000284 ORF Verified YBR080C SEC18 2 400884 398608 C ATPase required for the release of Sec17p during the 'priming' step in homotypic vacuole fusion and for ER to Golgi transport; homolog of the mammalian NSF 8996 S000000285 ORF Verified YBR081C SPT7 2 405245 401247 C Subunit of the SAGA transcriptional regulatory complex, involved in proper assembly of the complex; also present as a C-terminally truncated form in the SLIK/SALSA transcriptional regulatory complex 8998 S000006708 tRNA n.a. tR(UCU)B n.a. 2 405872 405943 W tRNA-Arg 9000 S000006530 tRNA n.a. tD(GUC)B n.a. 2 405954 406025 W tRNA-Asp 9002 S000000286 ORF Verified YBR082C UBC4 2 407163 406622 C Ubiquitin-conjugating enzyme that mediates degradation of short-lived and abnormal proteins; interacts with E3-CaM in ubiquitinating calmodulin; interacts with many SCF ubiquitin protein ligases; component of the cellular stress response 9005 S000032124 intron n.a. n.a. n.a. 2 407116 407022 C n.a. 9006 S000000287 ORF Verified YBR083W TEC1 2 409163 410623 W transcription factor of the TEA/ATTS DNA-binding domain family, regulator of Ty1 expression 9008 S000000288 ORF Verified YBR084W MIS1 2 411048 413975 W Mitochondrial C1-tetrahydrofolate synthase, involved in interconversion between different oxidation states of tetrahydrofolate (THF); provides activities of formyl-THF synthetase, methenyl-THF cyclohydrolase, and methylene-THF dehydrogenase 9010 S000002156 ORF Verified YBR084C-A RPL19A 2 415255 414180 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl19Bp and has similarity to rat L19 ribosomal protein; rpl19a and rpl19b single null mutations result in slow growth, while the double null mutation is lethal 9013 S000033731 intron n.a. n.a. n.a. 2 415253 414748 C n.a. 9014 S000000289 ORF Verified YBR085W AAC3 2 415977 416900 W Mitochondrial inner membrane ADP/ATP translocator, exchanges cytosolic ADP for mitochondrially synthesized ATP; expressed under anaerobic conditions; similar to Pet9p and Aac1p; has roles in maintenance of viability and in respiration 9016 S000007522 ORF Uncharacterized YBR085C-A n.a. 2 419158 418901 C Hypothetical protein 9018 S000000290 ORF Verified YBR086C IST2 2 423035 420195 C Plasma membrane protein that may be involved in osmotolerance, localizes to the mother cell in small-budded cells and to the bud in medium- and large-budded cells; mRNA is transported to the bud tip by an actomyosin-driven process 9020 S000000291 ORF Verified YBR087W RFC5 2 423759 424823 W Subunit of heteropentameric Replication factor C (RF-C), which is a DNA binding protein and ATPase that acts as a clamp loader of the proliferating cell nuclear antigen (PCNA) processivity factor for DNA polymerases delta and epsilon 9022 S000000293 ORF Dubious YBR089W n.a. 2 425177 425776 W Hypothetical protein 9024 S000000292 ORF Verified YBR088C POL30 2 425760 424984 C Proliferating cell nuclear antigen (PCNA), functions as the sliding clamp for DNA polymerase delta; may function as a docking site for other proteins required for mitotic and meiotic chromosomal DNA replication and for DNA repair 9026 S000002157 ORF Verified YBR089C-A NHP6B 2 426483 426184 C High-mobility group non-histone chromatin protein, functionally redundant with Nhp6Ap; homologous to mammalian high mobility group proteins 1 and 2; acts to recruit transcription factor Rcs1p to certain promoters 9028 S000000294 ORF Uncharacterized YBR090C n.a. 2 427052 426327 C Hypothetical protein 9031 S000035424 intron n.a. n.a. n.a. 2 426867 426511 C n.a. 9032 S000000295 ORF Verified YBR091C MRS5 2 427478 427149 C Essential protein of the inner mitochondrial membrane, peripherally localized; component of the TIM22 complex, which is a twin-pore translocase that mediates insertion of numerous multispanning inner membrane proteins 9034 S000000296 ORF Verified YBR092C PHO3 2 429095 427692 C Constitutively expressed acid phosphatase similar to Pho5p; brought to the cell surface by transport vesicles; hydrolyzes thiamin phosphates in the periplasmic space, increasing cellular thiamin uptake; expression is repressed by thiamin 9036 S000000297 ORF Verified YBR093C PHO5 2 430945 429542 C One of three repressible acid phosphatases, a glycoprotein that is transported to the cell surface by the secretory pathway; induced by phosphate starvation and coordinately regulated by PHO4 and PHO2 9038 S000000298 ORF Uncharacterized YBR094W n.a. 2 432030 434291 W Hypothetical protein 9040 S000000299 ORF Uncharacterized YBR095C n.a. 2 435692 434400 C Protein possibly involved in cell fusion and invasive growth 9042 S000000300 ORF Uncharacterized YBR096W n.a. 2 436015 436707 W Hypothetical protein 9044 S000000301 ORF Verified YBR097W VPS15 2 436945 441309 W Myristoylated serine/threonine protein kinase involved in vacuolar protein sorting; functions as a membrane-associated complex with Vps34p; active form recruits Vps34p to the Golgi membrane; also detected in mitochondria 9046 S000000302 ORF Verified YBR098W MMS4 2 441509 443584 W Subunit of the structure-specific Mms4p-Mus81p endonuclease that cleaves branched DNA; involved in recombination and DNA repair 9048 S000000303 ORF Dubious YBR099C n.a. 2 443301 442918 C Hypothetical protein 9050 S000000305 ORF Verified YBR101C FES1 2 444687 443815 C Hsp70 (Ssa1p) nucleotide exchange factor, cytosolic homolog of Sil1p, which is the nucleotide exchange factor for BiP (Kar2p) in the endoplasmic reticulum 9052 S000000306 ORF Verified YBR102C EXO84 2 447317 445056 C Essential protein with dual roles in spliceosome assembly and exocytosis; the exocyst complex (Sec3p, Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p) mediates polarized targeting of secretory vesicles to active sites of exocytosis 9054 S000000307 ORF Verified YBR103W SIF2 2 447703 449310 W WD40 repeat-containing subunit of the Set3C histone deacetylase complex, which represses early/middle sporulation genes; antagonizes telomeric silencing; binds specifically to the Sir4p N-terminus 9056 S000007593 ORF Dubious YBR103C-A n.a. 2 449457 449314 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 9058 S000000308 ORF Verified YBR104W YMC2 2 449661 450650 W Putative mitochondrial inner membrane transporter, member of the mitochondrial carrier (MCF) family 9060 S000000309 ORF Verified YBR105C VID24 2 451963 450875 C Peripheral membrane protein located at Vid (vacuole import and degradation) vesicles; regulates fructose-1,6-bisphosphatase (FBPase) targeting to the vacuole; involved in proteasome-dependent catabolite degradation of FBPase 9062 S000000310 ORF Verified YBR106W PHO88 2 452652 453218 W Probable membrane protein, involved in phosphate transport; pho88 pho86 double null mutant exhibits enhanced synthesis of repressible acid phosphatase at high inorganic phosphate concentrations 9064 S000000311 ORF Verified YBR107C IML3 2 454524 453787 C Protein with a role in kinetochore function, localizes to the outer kinetochore in a Ctf19p-dependent manner, interacts with Chl4p and Ctf19p 9066 S000000312 ORF Uncharacterized YBR108W n.a. 2 454816 457659 W Protein interacting with Rsv167p 9068 S000000313 ORF Verified YBR109C CMD1 2 458356 457913 C Calmodulin; Ca++ binding protein that regulates Ca++ independent processes (mitosis, bud growth, actin organization, endocytosis, etc.) and Ca++ dependent processes (stress-activated pathways), targets include Nuf1p, Myo2p and calcineurin 9070 S000028737 ORF Dubious YBR109W-A n.a. 2 458602 458826 W Questionable ORF from MIPS 9072 S000000314 ORF Verified YBR110W ALG1 2 458866 460215 W Mannosyltransferase, involved in asparagine-linked glycosylation in the endoplasmic reticulum (ER); essential for viability, mutation is functionally complemented by human ortholog 9074 S000000315 ORF Verified YBR111C YSA1 2 461867 461172 C Protein with weak similarity to D. melanogaster serendipity protein and X. laevis basis fibroblast growth factor 9076 S000028510 ORF Verified YBR111W-A SUS1 2 462133 462573 W Protein involved in mRNA export coupled transcription activation; component of the SAGA histone acetylase complex 9080 S000030262 intron n.a. n.a. n.a. 2 462204 462283 W n.a. 9081 S000030264 intron n.a. n.a. n.a. 2 462424 462493 W n.a. 9082 S000000317 ORF Dubious YBR113W n.a. 2 465560 466042 W Hypothetical protein 9084 S000000316 ORF Verified YBR112C CYC8 2 465764 462864 C General transcriptional co-repressor, acts together with Tup1p; also acts as part of a transcriptional co-activator complex that recruits the SWI/SNF and SAGA complexes to promoters 9086 S000000318 ORF Verified YBR114W RAD16 2 467242 469614 W Protein that recognizes and binds damaged DNA in an ATP-dependent manner (with Rad7p) during nucleotide excision repair; subunit of Nucleotide Excision Repair Factor 4 (NEF4); member of the SWI/SNF family 9088 S000000319 ORF Verified YBR115C LYS2 2 473920 469742 C Alpha aminoadipate reductase, catalyzes the reduction of alpha-aminoadipate to alpha-aminoadipate 6-semialdehyde, which is the fifth step in biosynthesis of lysine; activation requires posttranslational phosphopantetheinylation by Lys5p 9090 S000000320 ORF Dubious YBR116C n.a. 2 474720 474193 C Hypothetical protein 9092 S000000321 ORF Verified YBR117C TKL2 2 476431 474386 C Transketolase, similar to Tkl1p; catalyzes conversion of xylulose-5-phosphate and ribose-5-phosphate to sedoheptulose-7-phosphate and glyceraldehyde-3-phosphate in the pentose phosphate pathway; needed for synthesis of aromatic amino acids 9094 S000000322 ORF Verified YBR118W TEF2 2 477665 479041 W functions in the binding reaction of aminoacyl-tRNA (AA-tRNA) to ribosomes; translational elongation factor EF-1 alpha 9096 S000000323 ORF Verified YBR119W MUD1 2 479332 480317 W U1 snRNP A protein, homolog of human U1-A; involved in nuclear mRNA splicing 9099 S000034717 intron n.a. n.a. n.a. 2 479340 479428 W n.a. 9100 S000000324 ORF Verified YBR120C CBP6 2 480917 480429 C Translational activator of COB mRNA 9102 S000028815 ORF Dubious YBR121C-A n.a. 2 482478 482320 C Identified by expression profiling and mass spectrometry 9104 S000000325 ORF Verified YBR121C GRS1 2 483361 481358 C Cytoplasmic and mitochondrial glycyl-tRNA synthase that ligates glycine to the cognate anticodon bearing tRNA; transcription termination factor that may interact with the 3'-end of pre-mRNA to promote 3'-end formation 9106 S000000326 ORF Verified YBR122C MRPL36 2 484497 483964 C Mitochondrial ribosomal protein of the large subunit; overproduction suppresses mutations in the COX2 leader peptide-encoding region 9108 S000000328 ORF Dubious YBR124W n.a. 2 486501 486860 W Hypothetical protein 9110 S000000327 ORF Verified YBR123C TFC1 2 486685 484736 C One of six subunits of the RNA polymerase III transcription initiation factor complex (TFIIIC); part of the TauA globular domain of TFIIIC that binds DNA at the BoxA promoter sites of tRNA and similar genes; human homolog is TFIIIC-63 9112 S000000329 ORF Verified YBR125C PTC4 2 488374 487193 C Cytoplasmic type 2C protein phosphatase; identified as a high-copy number suppressor of the synthetic lethality of a cnb1 mpk1 double deletion; overexpression decreases high-osmolarity induced Hog1p phosphorylation and kinase activity 9114 S000000330 ORF Verified YBR126C TPS1 2 490386 488899 C Synthase subunit of trehalose-6-phosphate synthase/phosphatase complex, which synthesizes the storage carbohydrate trehalose; also found in a monomeric form; expression is induced by the stress response and repressed by the Ras-cAMP pathway 9116 S000028600 ORF Dubious YBR126W-A n.a. 2 490844 491050 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9118 S000028738 ORF Dubious YBR126W-B n.a. 2 490921 491064 W Identified by SAGE 9120 S000000331 ORF Verified YBR127C VMA2 2 492816 491263 C Subunit B of the eight-subunit V1 peripheral membrane domain of the vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found throughout the endomembrane system; contains nucleotide binding sites; also detected in the cytoplasm 9122 S000000332 ORF Verified YBR128C ATG14 2 494109 493075 C Subunit of an autophagy-specific phosphatidylinositol 3-kinase complex (with Vps34p, Vps15p, and Vps30p) required for organization of a pre-autophagosomal structure; ATG14 transcription is activated by Gln3p during nitrogen starvation 9124 S000000333 ORF Verified YBR129C OPY1 2 495333 494347 C Protein of unknown function, overproduction blocks cell cycle arrest in the presence of mating pheromone 9126 S000000334 ORF Verified YBR130C SHE3 2 496863 495586 C Protein that acts as an adaptor between Myo4p and the She2p-mRNA complex; part of the mRNA localization machinery that restricts accumulation of certain proteins to the bud; also required for cortical ER inheritance 9128 S000000335 ORF Verified YBR131W CCZ1 2 497157 499271 W Protein involved in vacuolar assembly, essential for autophagy and the cytoplasm-to-vacuole pathway 9130 S000028601 ORF Dubious YBR131C-A n.a. 2 497733 497644 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9132 S000000336 ORF Verified YBR132C AGP2 2 501436 499646 C High affinity polyamine permease, preferentially uses spermidine over putrescine; expression is down-regulated by osmotic stress; plasma membrane carnitine transporter, also functions as a low-affinity amino acid permease 9134 S000000338 ORF Dubious YBR134W n.a. 2 504237 504638 W Hypothetical protein 9136 S000000337 ORF Verified YBR133C HSL7 2 504281 501798 C Protein arginine N-methyltransferase that exhibits septin and Hsl1p-dependent bud neck localization and periodic Hsl1p-dependent phosphorylation; required along with Hsl1p for bud neck recruitment, phosphorylation, and degradation of Swe1p 9138 S000000339 ORF Verified YBR135W CKS1 2 504848 505300 W Subunit of the Cdc28 protein kinase, required for mitotic proteolysis, may also be involved in the proteolysis of the G1 cyclins 9140 S000000340 ORF Verified YBR136W MEC1 2 505662 512768 W Genome integrity checkpoint protein and PI kinase superfamily member; signal transducer required for cell cycle arrest and transcriptional responses prompted by damaged or unreplicated DNA; monitors and participates in meiotic recombination 9142 S000000341 ORF Uncharacterized YBR137W n.a. 2 513038 513577 W Hypothetical protein 9144 S000000342 ORF Uncharacterized YBR138C n.a. 2 515330 513756 C Cytoplasmic protein of unknown function, potentially phosphorylated by Cdc28p 9146 S000000343 ORF Uncharacterized YBR139W n.a. 2 515658 517184 W Hypothetical protein 9148 S000000344 ORF Verified YBR140C IRA1 2 526622 517344 C GTPase-activating protein that negatively regulates RAS by converting it from the GTP- to the GDP-bound inactive form, required for reducing cAMP levels under nutrient limiting conditions, mediates membrane association of adenylate cyclase 9150 S000028602 ORF Dubious YBR141W-A n.a. 2 527161 527256 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9152 S000000345 ORF Uncharacterized YBR141C n.a. 2 528032 527019 C Hypothetical protein 9154 S000000346 ORF Verified YBR142W MAK5 2 528311 530632 W Essential nucleolar protein, putative DEAD-box RNA helicase required for maintenance of M1 dsRNA virus; involved in biogenesis of large (60S) ribosomal subunits 9156 S000000347 ORF Verified YBR143C SUP45 2 532176 530863 C Polypeptide release factor involved in translation termination; mutant form acts as a recessive omnipotent suppressor 9158 S000000348 ORF Dubious YBR144C n.a. 2 533543 533229 C Hypothetical protein 9160 S000000349 ORF Verified YBR145W ADH5 2 533756 534811 W Alcohol dehydrogenase isoenzyme V; involved in ethanol production 9162 S000000350 ORF Verified YBR146W MRPS9 2 535254 536090 W Mitochondrial ribosomal protein of the small subunit 9164 S000000351 ORF Uncharacterized YBR147W n.a. 2 536569 537459 W Hypothetical protein 9166 S000000352 ORF Verified YBR148W YSW1 2 537870 539699 W Protein expressed specifically in spores 9168 S000000353 ORF Verified YBR149W ARA1 2 539981 541015 W Large subunit of NADP+ dependent arabinose dehydrogenase, involved in carbohydrate metabolism; small subunit is unidentified 9170 S000000354 ORF Verified YBR150C TBS1 2 544487 541203 C Probable Zn-finger protein 9172 S000000355 ORF Verified YBR151W APD1 2 545022 545972 W Protein of unknown function, required for normal localization of actin patches and for normal tolerance of sodium ions and hydrogen peroxide; localizes to both cytoplasm and nucleus 9174 S000000356 ORF Verified YBR152W SPP381 2 546370 547245 W Suppressor of Pre-mRNA Processing mutant; U4/U6.U5-associated snRNP protein; contains a PEST proteolysis motif 9176 S000000357 ORF Verified YBR153W RIB7 2 547454 548188 W Diaminohydroxyphoshoribosylaminopyrimidine deaminase; catalyzes the second step of the riboflavin biosynthesis pathway 9178 S000000358 ORF Verified YBR154C RPB5 2 549003 548356 C RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III; contacts DNA and affects transactivation 9180 S000000359 ORF Verified YBR155W CNS1 2 549765 550922 W TPR-containing co-chaperone; binds both Hsp82p (Hsp90) and Ssa1p (Hsp70) and stimulates the ATPase activity of SSA1, ts mutants reduce Hsp82p function while over expression suppresses the phenotypes of an HSP82 ts allele and a cpr7 deletion 9182 S000000360 ORF Verified YBR156C SLI15 2 553194 551098 C Subunit of the Ipl1p-Sli15p-Bir1p complex that regulates kinetochore-microtubule attachments, activation of the spindle tension checkpoint, and mitotic spindle disassembly; regulates the activity and localization of the Ipl1p aurora kinase 9184 S000000361 ORF Verified YBR157C ICS2 2 554304 553537 C Protein of unknown function; null mutation does not confer any obvious defects in growth, spore germination, viability, or carbohydrate utilization 9186 S000000362 ORF Verified YBR158W AMN1 2 556543 558192 W Protein required for daughter cell separation, multiple mitotic checkpoints, and chromosome stability; contains 12 degenerate leucine-rich repeat motifs; expression is induced by the Mitotic Exit Network (MEN) 9188 S000000363 ORF Uncharacterized YBR159W n.a. 2 558679 559722 W microsomal beta-keto-reductase 9190 S000000364 ORF Verified YBR160W CDC28 2 560072 560968 W Catalytic subunit of the main cell cycle cyclin-dependent kinase (CDK); alternately associates with G1 cyclins (CLNs) and G2/M cyclins (CLBs) which direct the CDK to specific substrates 9192 S000000365 ORF Verified YBR161W CSH1 2 561629 562759 W Probable catalytic subunit of a mannosylinositol phosphorylceramide (MIPC) synthase, forms a complex with probable regulatory subunit Csg2p; function in sphingolipid biosynthesis is overlapping with that of Sur1p 9194 S000000366 ORF Uncharacterized YBR162C TOS1 2 564565 563198 C Covalently-bound cell wall protein of unknown function; identified as a cell cycle regulated SBF target gene; deletion mutants are highly resistant to treatment with beta-1,3-glucanase; has sequence similarity to YJL171C 9196 S000002158 ORF Verified YBR162W-A YSY6 2 565226 565423 W Protein that participates in secretory pathway 9198 S000000367 ORF Verified YBR163W DEM1 2 565718 567475 W Protein of unknown function, shows similarity to RNA-processing protein Pta1p 9200 S000000368 ORF Verified YBR164C ARL1 2 568421 567870 C Soluble GTPase with a role in regulation of membrane traffic; regulates potassium influx; G protein of the Ras superfamily, similar to ADP-ribosylation factor 9202 S000000369 ORF Verified YBR165W UBS1 2 568847 569680 W Ubiquitin-conjugating enzyme suppressor that functions as a general positive regulator of Cdc34p activity; nuclear protein that may represent a link between nucleocytoplasmic transport and ubiquitin ligase activity 9204 S000000370 ORF Verified YBR166C TYR1 2 571195 569837 C Prephenate dehydrogenase involved in tyrosine biosynthesis, expression is dependent on phenylalanine levels 9206 S000000371 ORF Verified YBR167C POP7 2 571885 571463 C Subunit of both RNase MRP, which cleaves pre-rRNA, and nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends 9208 S000000372 ORF Verified YBR168W PEX32 2 572366 573607 W Peroxisomal integral membrane protein, involved in negative regulation of peroxisome size; partially functionally redundant with Pex31p; genetic interactions suggest action at a step downstream of steps mediated by Pex28p and Pex29p 9210 S000000373 ORF Verified YBR169C SSE2 2 575991 573910 C Member of the heat shock protein 70 (HSP70) family; may be involved in protein folding; localized to the cytoplasm; highly homologous to the heat shock protein Sse1p 9212 S000000374 ORF Verified YBR170C NPL4 2 578081 576339 C Endoplasmic reticulum and nuclear membrane protein, forms a complex with Cdc48p and Ufd1p that recognizes ubiquitinated proteins in the endoplasmic reticulum and delivers them to the proteasome for degradation 9214 S000000375 ORF Verified YBR171W SEC66 2 578359 578979 W Non-essential subunit of Sec63 complex (Sec63p, Sec62p, Sec66p and Sec72p); with Sec61 complex, Kar2p/BiP and Lhs1p forms a channel competent for SRP-dependent and post-translational SRP-independent protein targeting and import into the ER 9216 S000000376 ORF Verified YBR172C SMY2 2 581367 579145 C Protein of unknown function that interacts with Myo2p; has similarity to S. pombe Mpd2 9218 S000000377 ORF Verified YBR173C UMP1 2 582167 581721 C Short-lived chaperone required for correct maturation of the 20S proteasome; degraded by proteasome upon completion of its assembly; involved in ubiquitin-mediated proteolysis; mutant defective in degradation of short-lived proteins 9220 S000000379 ORF Verified YBR175W SWD3 2 582403 583350 W Essential subunit of the COMPASS (Set1C) complex, which methylates Rad6p ubiquitinated histone H3 on lysine 4 and is required in transcriptional silencing near telomeres; WD40 beta propeller superfamily member and ortholog of mammalian WDR5 9222 S000000378 ORF Dubious YBR174C n.a. 2 582647 582333 C Hypothetical protein 9224 S000000380 ORF Verified YBR176W ECM31 2 583715 584653 W Ketopantoate hydroxymethyltransferase, required for pantothenic acid biosynthesis, converts 2-oxoisovalerate into 2-dehydropantoate 9226 S000000382 ORF Dubious YBR178W n.a. 2 586066 586440 W Hypothetical protein 9228 S000000381 ORF Verified YBR177C EHT1 2 586157 584802 C Possible serine hydrolase, may be involved in lipid metabolism, null mutant slightly temperature sensitive at 37C 9230 S000000383 ORF Verified YBR179C FZO1 2 589109 586542 C Mitochondrial integral membrane protein involved in mitochondrial fusion and maintenance of the mitochondrial genome; contains N-terminal GTPase domain 9232 S000000384 ORF Verified YBR180W DTR1 2 589736 591454 W Multidrug resistance dityrosine transporter of the major facilitator superfamily, essential for spore wall synthesis, facilitates the translocation of bisformyl dityrosine through the prospore membrane 9234 S000000385 ORF Verified YBR181C RPS6B 2 592769 591707 C Protein component of the small (40S) ribosomal subunit; identical to Rps6Ap and has similarity to rat S6 ribosomal protein 9237 S000035076 intron n.a. n.a. n.a. 2 592763 592412 C n.a. 9238 S000000386 ORF Verified YBR182C SMP1 2 594859 593501 C Putative transcription factor involved in regulating the response to osmotic stress; member of the MADS-box family of transcription factors 9240 S000028603 ORF Uncharacterized YBR182C-A n.a. 2 595550 595356 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9242 S000000387 ORF Verified YBR183W YPC1 2 596110 597060 W Alkaline ceramidase that also has reverse (CoA-independent) ceramide synthase activity, catalyzes both breakdown and synthesis of phytoceramide; overexpression confers fumonisin B1 resistance 9244 S000000388 ORF Uncharacterized YBR184W n.a. 2 597358 598929 W Hypothetical protein 9246 S000000389 ORF Verified YBR185C MBA1 2 599954 599118 C Protein involved in assembly of mitochondrial respiratory complexes; may act as a receptor for proteins destined for export from the mitochondrial matrix to the inner membrane 9248 S000000390 ORF Verified YBR186W PCH2 2 600548 602355 W Nucleolar component of the pachytene checkpoint, which prevents chromosome segregation when recombination and chromosome synapsis are defective; also represses meiotic interhomolog recombination in the rDNA 9251 S000036995 intron n.a. n.a. n.a. 2 602099 602211 W n.a. 9252 S000000391 ORF Uncharacterized YBR187W n.a. 2 602629 603471 W Hypothetical protein 9254 S000000392 ORF Verified YBR188C NTC20 2 604102 603680 C Member of a complex, including Prp19p, that binds to the spliceosome; required for pre-mRNA splicing 9256 S000000393 ORF Verified YBR189W RPS9B 2 604503 605503 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps9Bp and has similarity to E. coli S4 and rat S9 ribosomal proteins 9259 S000037266 intron n.a. n.a. n.a. 2 604510 604922 W n.a. 9260 S000000394 ORF Dubious YBR190W n.a. 2 605961 606272 W Protein required for cell viability 9262 S000000395 ORF Verified YBR191W RPL21A 2 606265 607135 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl21Bp and has similarity to rat L21 ribosomal protein 9265 S000030994 intron n.a. n.a. n.a. 2 606276 606663 W n.a. 9266 S000007594 ORF Dubious YBR191W-A n.a. 2 607144 607218 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 9268 S000000396 ORF Verified YBR192W RIM2 2 607647 608780 W Protein required for respiration, member of the mitochondrial carrier family 9270 S000000397 ORF Verified YBR193C MED8 2 609748 609077 C Member of RNA Polymerase II transcriptional regulation mediator; Stoichiometric member of mediator complex 9272 S000000398 ORF Uncharacterized YBR194W n.a. 2 610033 610404 W Protein proposed to be associated with the nuclear pore complex 9274 S000000399 ORF Verified YBR195C MSI1 2 611877 610609 C Subunit of chromatin assembly factor I (CAF-I), regulates the RAS/cAMP pathway via sequestration of Npr1p kinase; localizes to the nucleus and cytoplasm; homologous to human retinoblastoma binding proteins RbAp48 and RbAp46 9276 S000000400 ORF Verified YBR196C PGI1 2 613895 612231 C Glycolytic enzyme phosphoglucose isomerase, catalyzes the interconversion of glucose-6-phosphate and fructose-6-phosphate; required for cell cycle progression and completion of the gluconeogenic events of sporulation 9278 S000028534 ORF Uncharacterized YBR196C-A n.a. 2 614168 614019 C Identified by fungal homology and RT-PCR 9280 S000028816 ORF Uncharacterized YBR196C-B n.a. 2 614625 614521 C Identified by expression profiling and mass spectrometry 9282 S000000401 ORF Uncharacterized YBR197C n.a. 2 615851 615198 C Hypothetical protein 9284 S000000402 ORF Verified YBR198C TAF5 2 618518 616122 C Subunit (90 kDa) of TFIID and SAGA complexes, involved in RNA polymerase II transcription initiation and in chromatin modification 9286 S000000403 ORF Verified YBR199W KTR4 2 618904 620298 W Putative mannosyltransferase involved in protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family 9288 S000000404 ORF Verified YBR200W BEM1 2 620867 622522 W Protein containing SH3-domains, involved in establishing cell polarity and morphogenesis; functions as a scaffold protein for complexes that include Cdc24p, Ste5p, Ste20p, and Rsr1p 9290 S000028535 ORF Uncharacterized YBR200W-A n.a. 2 622978 623142 W Identified by fungal homology and RT-PCR 9292 S000000405 ORF Verified YBR201W DER1 2 623572 624207 W Endoplasmic reticulum membrane protein, required for ER-associated protein degradation, involved in the retrograde transport of misfolded or unassembled proteins; N- and C- termini protrude into the cytoplasm, has similarity to Dfm1p 9294 S000000406 ORF Verified YBR202W CDC47 2 625767 628304 W Component of the hexameric MCM complex, which is important for priming origins of DNA replication in G1 and becomes an active ATP-dependent helicase that promotes DNA melting and elongation when activated by Cdc7p-Dbf4p in S-phase 9296 S000000407 ORF Verified YBR203W COS111 2 629163 631937 W Protein required for wild-type resistance to the antifungal drug ciclopirox olamine; not related to the COS family of subtelomerically-encoded proteins 9298 S000000408 ORF Uncharacterized YBR204C n.a. 2 633376 632249 C Hypothetical protein 9300 S000000409 ORF Verified YBR205W KTR3 2 633617 634831 W Putative alpha-1,2-mannosyltransferase involved in O- and N-linked protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family 9302 S000000410 ORF Dubious YBR206W n.a. 2 634596 634919 W Hypothetical protein 9304 S000000411 ORF Verified YBR207W FTH1 2 635141 636538 W Putative high affinity iron transporter involved in transport of intravacuolar stores of iron; forms complex with Fet5p; expression is regulated by iron; proposed to play indirect role in endocytosis 9306 S000000412 ORF Verified YBR208C DUR1,2 2 642205 636698 C Urea amidolyase, contains both urea carboxylase and allophanate hydrolase activities, degrades urea to CO2 and NH3; expression sensitive to nitrogen catabolite repression and induced by allophanate, an intermediate in allantoin degradation 9308 S000000413 ORF Dubious YBR209W n.a. 2 642578 642895 W Hypothetical protein 9310 S000006526 tRNA n.a. tC(GCA)B n.a. 2 643073 643002 C tRNA-Cys 9315 S000006548 tRNA n.a. tE(UUC)B n.a. 2 645162 645233 W tRNA-Glu 9317 S000000414 ORF Verified YBR210W ERV15 2 645545 645973 W Protein of unknown function, has similarity to Erv14p 9319 S000000415 ORF Verified YBR211C AME1 2 647127 646153 C Essential kinetochore protein associated with microtubules and spindle pole bodies, subunit of the COMA complex 9321 S000000416 ORF Verified YBR212W NGR1 2 647881 649899 W RNA binding protein that negatively regulates growth rate; interacts with the 3' UTR of the mitochondrial porin (POR1) mRNA and enhances its degradation; overexpression impairs mitochondrial function; expressed in stationary phase 9323 S000000417 ORF Verified YBR213W MET8 2 650363 651187 W Bifunctional dehydrogenase and ferrochelatase, involved in the biosynthesis of siroheme; also involved in the expression of PAPS reductase and sulfite reductase 9325 S000000418 ORF Verified YBR214W SDS24 2 651410 652993 W One of two S. cerevisiae homologs (Sds23p and Sds24p) of the Schizosaccharomyces pombe Sds23 protein, which genetic studies have implicated in APC/cyclosome regulation; may play an indirect role in fluid-phase endocytosis 9327 S000000419 ORF Verified YBR215W HPC2 2 653441 655312 W Highly charged, basic protein required for normal cell-cycle regulation of histone gene transcription; mutants display strong synthetic defects with subunits of FACT, a complex that allows RNA Pol II to elongate through nucleosomes 9329 S000000420 ORF Verified YBR216C YBP1 2 657595 655571 C Protein required for oxidation of specific cysteine residues of the transcription factor Yap1p, resulting in the nuclear localization of Yap1p in response to stress 9331 S000000421 ORF Verified YBR217W ATG12 2 657827 658387 W Protein that becomes conjugated to Atg5p by the E1 enzyme Atg7p, a step that is essential for autophagy 9333 S000000422 ORF Verified YBR218C PYC2 2 662244 658702 C Pyruvate carboxylase isoform, cytoplasmic enzyme that converts pyruvate to oxaloacetate; highly similar to isoform Pyc1p but differentially regulated; mutations in the human homolog are associated with lactic acidosis 9335 S000000423 ORF Uncharacterized YBR219C n.a. 2 663298 662494 C Hypothetical protein 9338 S000036942 intron n.a. n.a. n.a. 2 662997 662577 C n.a. 9339 S000000424 ORF Uncharacterized YBR220C n.a. 2 664672 662990 C Hypothetical protein 9341 S000000425 ORF Verified YBR221C PDB1 2 666248 665148 C E1 beta subunit of the pyruvate dehydrogenase (PDH) complex, which is an evolutionarily-conserved multi-protein complex found in mitochondria 9343 S000028817 ORF Uncharacterized YBR221W-A n.a. 2 666533 666637 W Identified by expression profiling and mass spectrometry 9345 S000000426 ORF Verified YBR222C PCS60 2 668346 666715 C Peroxisomal AMP-binding protein, localizes to both the peroxisomal peripheral membrane and matrix, expression is highly inducible by oleic acid, similar to E. coli long chain acyl-CoA synthetase 9347 S000028604 ORF Dubious YBR223W-A n.a. 2 668716 668835 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9349 S000000428 ORF Dubious YBR224W n.a. 2 670120 670635 W Hypothetical protein 9351 S000000427 ORF Verified YBR223C TDP1 2 670292 668658 C Tyrosyl-DNA Phosphodiesterase I, hydrolyzes 3'-phosphotyrosyl bonds to generate 3'-phosphate DNA and tyrosine, involved in the repair of DNA lesions created by topoisomerase I 9353 S000000429 ORF Uncharacterized YBR225W n.a. 2 670622 673324 W Hypothetical protein 9355 S000000430 ORF Dubious YBR226C n.a. 2 673560 673150 C Hypothetical protein 9357 S000000431 ORF Verified YBR227C MCX1 2 675129 673567 C Mitochondrial ATP-binding protein, possibly a mitochondrial chaperone with non-proteolytic function; similar to bacterial ClpX proteins 9359 S000000432 ORF Verified YBR228W SLX1 2 675308 676222 W Subunit of a complex, with Slx4p, that hydrolyzes 5' branches from duplex DNA in response to stalled or converging replication forks; function overlaps with that of Sgs1p-Top3p 9361 S000000433 ORF Verified YBR229C ROT2 2 679216 676352 C Glucosidase II catalytic subunit required for normal cell wall synthesis; mutations in rot2 suppress tor2 mutations, and are synthetically lethal with rot1 mutations 9363 S000000434 ORF Uncharacterized YBR230C n.a. 2 680045 679544 C Hypothetical protein 9366 S000034002 intron n.a. n.a. n.a. 2 680034 679938 C n.a. 9367 S000029722 ORF Uncharacterized YBR230W-A n.a. 2 680357 680557 W ORF, Uncharacterized 9369 S000006478 snRNA n.a. LSR1 LSR1 2 681853 680679 C U2 snRNA, component of the spliceosome; functionally and structurally equivalent to mammalian U2, U4, U5, and U6 snRNAs 9371 S000000435 ORF Uncharacterized YBR231C SWC5 2 683085 682174 C Protein of unknown function, component of the Swr1p complex that incorporates Htz1p into chromatin 9373 S000000437 ORF Verified YBR233W PBP2 2 683423 684664 W RNA binding protein with similarity to mammalian heterogeneous nuclear RNP K protein, involved in the regulation of telomere position effect and telomere length 9375 S000000436 ORF Dubious YBR232C n.a. 2 683727 683368 C Hypothetical protein 9377 S000007595 ORF Verified YBR233W-A DAD3 2 684972 685256 W Essential protein, component of the DASH complex; involved in spindle integrity and kinetochore function; interacts with Duo1p and Dam1p; localizes to intranuclear spindles and kinetochore 9379 S000000438 ORF Verified YBR234C ARC40 2 686587 685433 C Essential subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches 9381 S000000439 ORF Uncharacterized YBR235W n.a. 2 686896 690258 W Hypothetical protein 9383 S000000440 ORF Verified YBR236C ABD1 2 691688 690378 C Methyltransferase, catalyzes the transfer of a methyl group from S-adenosylmethionine to the GpppN terminus of capped mRNA 9385 S000000441 ORF Verified YBR237W PRP5 2 691964 694513 W RNA helicase in the DEAD-box family, necessary for prespliceosome formation, bridges U1 and U2 snRNPs and enables stable U2 snRNP association with intron RNA 9387 S000000442 ORF Uncharacterized YBR238C n.a. 2 697297 695102 C Hypothetical protein 9389 S000000443 ORF Uncharacterized YBR239C n.a. 2 699938 698349 C Hypothetical protein 9391 S000000444 ORF Verified YBR240C THI2 2 701837 700485 C Zinc finger protein of the Zn(II)2Cys6 type, probable transcriptional activator of thiamine biosynthetic genes 9393 S000000445 ORF Uncharacterized YBR241C n.a. 2 704050 702584 C Hypothetical protein 9395 S000000446 ORF Uncharacterized YBR242W n.a. 2 704665 705381 W Hypothetical protein 9397 S000000447 ORF Verified YBR243C ALG7 2 706788 705442 C UDP-N-acetyl-glucosamine-1-P transferase, transfers Glc-Nac-P from UDP-GlcNac to Dol-P in the ER in the first step of the dolichol pathway of protein asparagine-linked glycosylation; inhibited by tunicamycin 9399 S000000448 ORF Verified YBR244W GPX2 2 707523 708011 W Phospholipid hydroperoxide glutathione peroxidase induced by glucose starvation that protects cells from phospholipid hydroperoxides and nonphospholipid peroxides during oxidative stress 9401 S000000449 ORF Verified YBR245C ISW1 2 711534 708145 C Member of the imitation-switch (ISWI) class of ATP-dependent chromatin remodeling complexes; ATPase that forms a complex with Ioc2p and Ioc4p to regulate transcription elongation, and a complex with Ioc3p to repress transcription initiation 9403 S000000450 ORF Uncharacterized YBR246W n.a. 2 711586 712749 W Hypothetical protein 9405 S000000451 ORF Verified YBR247C ENP1 2 714450 712999 C Protein associated with U3 and U14 snoRNAs, required for pre-rRNA processing and 40S ribosomal subunit synthesis; localized in the nucleus and concentrated in the nucleolus 9407 S000000452 ORF Verified YBR248C HIS7 2 716460 714802 C Imidazole glycerol phosphate synthase (glutamine amidotransferase:cyclase), catalyzes the fifth and sixth steps of histidine biosynthesis and also produces 5-aminoimidazole-4-carboxamide ribotide (AICAR), a purine precursor 9409 S000000453 ORF Verified YBR249C ARO4 2 717989 716877 C 3-deoxy-D-arabino-heptulosonate-7-phosphate (DAHP) synthase, catalyzes the first step in aromatic amino acid biosynthesis and is feedback-inhibited by tyrosine 9411 S000000454 ORF Uncharacterized YBR250W n.a. 2 719028 720599 W Hypothetical protein 9413 S000000455 ORF Verified YBR251W MRPS5 2 721385 722308 W Mitochondrial ribosomal protein of the small subunit 9415 S000000456 ORF Verified YBR252W DUT1 2 722606 723049 W dUTPase, catalyzes the hydrolysis of dUTP to dUMP and PPi and thereby prevents the incorporation of uracil into DNA during replication 9417 S000000457 ORF Verified YBR253W SRB6 2 723265 723630 W Protein involved in transcription as part of the Srb/Mediator complex 9419 S000000458 ORF Verified YBR254C TRS20 2 724258 723731 C One of 10 subunits of the transport protein particle (TRAPP) complex of the cis-Golgi which mediates vesicle docking and fusion; mutations in the human homolog cause the spondyloepiphyseal dysplasia tarda (SEDL) disorder 9421 S000000459 ORF Uncharacterized YBR255W n.a. 2 724451 726535 W Protein of unknown function, required for normal growth rate at 15 degrees C; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 9423 S000007649 ORF Uncharacterized YBR255C-A n.a. 2 727069 726613 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 9426 S000037336 intron n.a. n.a. n.a. 2 727006 726913 C n.a. 9427 S000000460 ORF Verified YBR256C RIB5 2 728097 727381 C Riboflavin synthase; catalyzes the last step of the riboflavin biosynthesis pathway 9429 S000000461 ORF Verified YBR257W POP4 2 728880 729719 W Subunit of both RNase MRP, which cleaves pre-rRNA, and nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends; binds to the RPR1 RNA subunit in Rnase P 9431 S000000462 ORF Verified YBR258C SHG1 2 730157 729729 C Subunit of the COMPASS (Set1C) complex, which methylates Rad6p ubiquitinated histone H3 on lysine 4 and is required in transcriptional silencing near telomeres 9433 S000000463 ORF Uncharacterized YBR259W n.a. 2 730382 732448 W Hypothetical protein 9435 S000000464 ORF Verified YBR260C RGD1 2 734634 732634 C GTPase-activating protein (RhoGAP) for Rho3p and Rho4p, possibly involved in control of actin cytoskeleton organization 9437 S000000465 ORF Uncharacterized YBR261C n.a. 2 735525 734827 C Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 9439 S000000466 ORF Uncharacterized YBR262C n.a. 2 736035 735715 C The authentic, non-tagged protein was localized to the mitochondria 9441 S000000467 ORF Verified YBR263W SHM1 2 736259 737731 W Serine hydroxymethyltransferase, mitochondrial 9443 S000000468 ORF Verified YBR264C YPT10 2 738364 737765 C GTP binding protein that contains the PEST signal sequence specific for proteolytic enzymes; may be involved in vesicular transport; overexpression leads to accumulation of Golgi-like cisternae with budding vesicles 9445 S000000469 ORF Verified YBR265W TSC10 2 738577 739539 W 3-ketosphinganine reductase, catalyzes the second step in phytosphingosine synthesis, essential for growth in the absence of exogenous dihydrosphingosine or phytosphingosine, member of short chain dehydrogenase/reductase protein family 9447 S000000471 ORF Verified YBR267W REI1 2 739836 741017 W Protein of unknown function involved in bud growth in the mitotic signaling network; proposed negative regulator of Swe1p and Gin4p; contains dispersed C2H2 zinc finger domains 9449 S000000470 ORF Dubious YBR266C SLM6 2 740383 739931 C Protein with a potential role in actin cytoskeleton organization; gene exhibits synthetic genetic interaction with MSS4 encoding phosphatidylinositol 4-phosphate kinase 9451 S000000472 ORF Verified YBR268W MRPL37 2 741294 741611 W Mitochondrial ribosomal protein of the large subunit 9453 S000000473 ORF Uncharacterized YBR269C n.a. 2 742571 742155 C The authentic, non-tagged protein was localized to the mitochondria 9455 S000000474 ORF Uncharacterized YBR270C n.a. 2 744393 742756 C Hypothetical protein 9457 S000000475 ORF Uncharacterized YBR271W n.a. 2 744847 746106 W Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 9459 S000000476 ORF Verified YBR272C HSM3 2 747798 746356 C Protein of unknown function, involved in DNA mismatch repair during slow growth; has weak similarity to Msh1p 9461 S000000477 ORF Uncharacterized YBR273C UBX7 2 749366 748056 C UBX (ubiquitin regulatory X) domain-containing protein that interacts with Cdc48p 9463 S000000478 ORF Verified YBR274W CHK1 2 749589 751172 W checkpoint kinase 1; homolog of the S. pombe and mammalian Chk1 checkpoint kinases; Protein kinase Chk1 9465 S000000479 ORF Verified YBR275C RIF1 2 757101 751351 C Protein that binds to the Rap1p C-terminus and acts synergistically with Rif2p to help control telomere length and establish telomeric silencing; deletion results in telomere elongation 9467 S000000480 ORF Verified YBR276C PPS1 2 760039 757616 C Protein phosphatase with specificity for serine, threonine, and tyrosine residues; has a role in the DNA synthesis phase of the cell cycle 9469 S000000482 ORF Verified YBR278W DPB3 2 760290 760895 W Third-largest subunit of DNA polymerase II (DNA polymerase epsilon), required to maintain fidelity of chromosomal replication and also for inheritance of telomeric silencing; mRNA abundance peaks at the G1/S boundary of the cell cycle 9471 S000000481 ORF Dubious YBR277C n.a. 2 760612 760211 C Hypothetical protein 9473 S000000483 ORF Verified YBR279W PAF1 2 761253 762590 W RNA polymerase II-associated protein, defines a large complex that is biochemically and functionally distinct from the Srb-Mediator form of Pol II holoenzyme and is required for full expression of a subset of cell cycle-regulated genes 9475 S000000484 ORF Uncharacterized YBR280C n.a. 2 764693 762780 C Hypothetical protein 9477 S000000485 ORF Uncharacterized YBR281C n.a. 2 767602 764966 C Hypothetical protein 9479 S000000486 ORF Verified YBR282W MRPL27 2 768236 768676 W Mitochondrial ribosomal protein of the large subunit 9481 S000000487 ORF Verified YBR283C SSH1 2 770411 768939 C Subunit of the Ssh1 translocon complex; Sec61p homolog involved in co-translational pathway of protein translocation; not essential 9483 S000000488 ORF Uncharacterized YBR284W n.a. 2 771235 773628 W Hypothetical protein 9485 S000000489 ORF Uncharacterized YBR285W n.a. 2 773918 774352 W Hypothetical protein 9487 S000000490 ORF Verified YBR286W APE3 2 774618 776309 W Vacuolar aminopeptidase Y, processed to mature form by Prb1p 9489 S000000491 ORF Uncharacterized YBR287W n.a. 2 776567 777850 W Protein of unknown function; mutation results in a zinc sensitive phenotype 9491 S000000492 ORF Verified YBR288C APM3 2 779459 778008 C Mu3-like subunit of the clathrin associated protein complex (AP-3); functions in transport of alkaline phosphatase to the vacuole via the alternate pathway 9493 S000000493 ORF Verified YBR289W SNF5 2 779663 782380 W One of 11 subunits of the SWI/SNF chromatin remodeling complex involved in transcriptional regulation; functions interdependently in transcriptional activation with Snf2p and Snf6p 9495 S000000494 ORF Verified YBR290W BSD2 2 782587 783552 W Heavy metal ion homeostasis protein, facilitates trafficking of Smf1p and Smf2p metal transporters to the vacuole where they are degraded, controls metal ion transport, prevents metal hyperaccumulation, functions in copper detoxification 9497 S000000495 ORF Verified YBR291C CTP1 2 784568 783669 C Mitochondrial inner membrane citrate transporter, member of the mitochondrial carrier family 9499 S000000496 ORF Dubious YBR292C n.a. 2 785069 784698 C Hypothetical protein 9501 S000000497 ORF Verified YBR293W VBA2 2 787001 788425 W Permease of basic amino acids in the vacuolar membrane 9503 S000000498 ORF Verified YBR294W SUL1 2 789230 791809 W High affinity sulfate permease; sulfate uptake is mediated by specific sulfate transporters Sul1p and Sul2p, which control the concentration of endogenous activated sulfate intermediates 9505 S000000499 ORF Verified YBR295W PCA1 2 792843 796493 W P-type metal-transporting ATPase with a role in copper and iron homeostasis; R970G-substitution in the C-terminal region confers cadmium resistance 9507 S000000500 ORF Verified YBR296C PHO89 2 798516 796792 C Na+/Pi cotransporter, active in early growth phase; similar to phosphate transporters of Neurospora crassa; transcription regulated by inorganic phosphate concentrations and Pho4p 9509 S000028605 ORF Uncharacterized YBR296C-A n.a. 2 800236 800117 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9511 S000000501 ORF Verified YBR297W MAL33 2 800517 801923 W MAL-activator protein, part of complex locus MAL3; nonfunctional in genomic reference strain S288C 9513 S000000502 ORF Verified YBR298C MAL31 2 804469 802625 C Maltose permease, high-affinity maltose transporter (alpha-glucoside transporter); encoded in the MAL3 complex locus; member of the 12 transmembrane domain superfamily of sugar transporters; functional in genomic reference strain S288C 9515 S000028606 ORF Uncharacterized YBR298C-A n.a. 2 805250 805029 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9517 S000000503 ORF Verified YBR299W MAL32 2 805345 807099 W Maltase (alpha-D-glucosidase), inducible protein involved in maltose catabolism; encoded in the MAL3 complex locus; functional in genomic reference strain S288C 9519 S000000505 ORF Verified YBR301W DAN3 2 809051 809413 W Cell wall mannoprotein with similarity to Tir1p, Tir2p, Tir3p, and Tir4p; expressed under anaerobic conditions, completely repressed during aerobic growth 9521 S000000504 ORF Dubious YBR300C n.a. 2 809091 808594 C Hypothetical protein 9523 S000000506 ORF Verified YBR302C COS2 2 811473 810334 C Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 9541 S000000581 ORF Dubious YCL076W n.a. 3 1392 2135 W Hypothetical protein 9548 S000000575 ORF Uncharacterized YCL073C n.a. 3 8326 6479 C Protein of unconfirmed function; displays a topology characteristic of the Major Facilitators Superfamily of membrane proteins; coding sequence 98% identical to that of YKR106W 9550 S000000574 ORF Verified YCL069W VBA3 3 9706 11082 W Permease of basic amino acids in the vacuolar membrane 9554 S000000573 ORF Uncharacterized YCL068C n.a. 3 12285 11503 C Hypothetical protein 9556 S000000572 ORF Verified YCL067C HMLALPHA2 3 13018 12386 C Silenced copy of ALPHA2, encoding a homeobox-domain containing protein that associates with Mcm1p in haploid cells to repress a-specific gene expression and interacts with A1p in diploid cells to repress haploid-specific gene expression 9558 S000000571 ORF Verified YCL066W HMLALPHA1 3 13282 13809 W Silenced copy of ALPHA1, encoding a transcriptional coactivator involved in the regulation of mating-type alpha-specific gene expression 9560 S000000570 ORF Dubious YCL065W n.a. 3 13751 14119 W Hypothetical protein 9568 S000000569 ORF Verified YCL064C CHA1 3 16880 15798 C catabolism of hydroxy amino acids; catabolic serine (threonine) dehydratase 9570 S000000568 ORF Verified YCL063W VAC17 3 17290 18561 W Protein involved in vacuole inheritance; acts as a vacuole-specific receptor for myosin Myo2p 9572 S000000566 ORF Verified YCL061C MRC1 3 22106 18816 C S-phase checkpoint protein found at replication forks, required for DNA replication; also required for Rad53p activation during DNA replication stress, where it forms a replication-pausing complex with Tof1p and is phosphorylated by Mec1p; protein involved in replication checkpoint 9574 S000000564 ORF Verified YCL059C KRR1 3 23379 22429 C Essential nucleolar protein required for the synthesis of 18S rRNA and for the assembly of 40S ribosomal subunit 9576 S000028518 ORF Uncharacterized YCL058W-A n.a. 3 23527 23925 W Identified by homology to Ashbya gossypii 9578 S000000563 ORF Dubious YCL058C FYV5 3 23981 23523 C Protein of unknown function, required for survival upon exposure to K1 killer toxin; involved in ion homeostasis 9580 S000007547 ORF Uncharacterized YCL057C-A n.a. 3 24325 24032 C Hypothetical protein, has similarity to proteins in S. pombe, C. elegans, D. melanogaster. 9582 S000000562 ORF Verified YCL057W PRD1 3 24768 26906 W Zinc metalloendopeptidase, found in the cytoplasm and intermembrane space of mitochondria; with Cym1p, involved in degradation of mitochondrial proteins and of presequence peptides cleaved from imported proteins 9584 S000000561 ORF Uncharacterized YCL056C n.a. 3 27359 26925 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 9586 S000000560 ORF Verified YCL055W KAR4 3 27929 28936 W Transcription factor required for induction of KAR3 and CIK1 during mating, also required during meiosis; exists in two forms, a slower-migrating form more abundant during vegetative growth and a faster-migrating form induced by pheromone 9590 S000000559 ORF Verified YCL054W SPB1 3 31449 33974 W AdoMet-dependent methyltransferase involved in rRNA processing and 60S ribosomal subunit maturation; methylates G2922 in the putative tRNA docking site of the large subunit rRNA and in the absence of snR52, U2921; suppressor of PAB1 mutants 9592 S000000557 ORF Verified YCL052C PBN1 3 35393 34143 C Essential component of glycosylphosphatidylinositol-mannosyltransferase I, required for the autocatalytic post-translational processing of the protease B precursor Prb1p, localizes to ER in lumenal orientation; homolog of mammalian PIG-X 9594 S000000556 ORF Verified YCL051W LRE1 3 35865 37616 W Protein involved in control of cell wall structure and stress response; inhibits Cbk1p protein kinase activity; overproduction confers resistance to cell-wall degrading enzymes 9596 S000000555 ORF Verified YCL050C APA1 3 38801 37836 C Diadenosine 5',5''-P1,P4-tetraphosphate phosphorylase I (AP4A phosphorylase), involved in catabolism of bis(5'-nucleosidyl) tetraphosphates; has similarity to Apa2p 9600 S000000554 ORF Uncharacterized YCL049C n.a. 3 40724 39786 C Hypothetical protein 9602 S000000553 ORF Verified YCL048W SPS22 3 42165 43556 W Protein of unknown function, redundant with Sps2p for the organization of the beta-glucan layer of the spore wall 9604 S000000552 ORF Uncharacterized YCL047C n.a. 3 44437 43661 C Hypothetical protein 9606 S000000551 ORF Dubious YCL046W n.a. 3 46640 46963 W Hypothetical protein 9608 S000000550 ORF Uncharacterized YCL045C n.a. 3 46905 44623 C Hypothetical protein 9610 S000000549 ORF Uncharacterized YCL044C n.a. 3 48364 47111 C Hypothetical protein 9612 S000000548 ORF Verified YCL043C PDI1 3 50221 48653 C Protein disulfide isomerase, multifunctional protein resident in the endoplasmic reticulum lumen, essential for the formation of disulfide bonds in secretory and cell-surface proteins, unscrambles non-native disulfide bonds 9614 S000000547 ORF Uncharacterized YCL042W n.a. 3 50584 50943 W Hypothetical protein 9616 S000000546 ORF Dubious YCL041C n.a. 3 50627 50133 C Protein required for cell viability 9618 S000000545 ORF Verified YCL040W GLK1 3 50838 52340 W Glucokinase, catalyzes the phosphorylation of glucose at C6 in the first irreversible step of glucose metabolism; one of three glucose phosphorylating enzymes; expression regulated by non-fermentable carbon sources 9620 S000000544 ORF Verified YCL039W GID7 3 52645 54882 W Protein of unknown function, involved in proteasome-dependent catabolite inactivation of fructose-1,6-bisphosphatase; contains six WD40 repeats; computational analysis suggests that Gid7p and Moh1p have similar functions 9622 S000000543 ORF Verified YCL038C ATG22 3 56527 54941 C Protein required for the breakdown of autophagic vesicles in the vacuole during autophagy, putative integral membrane protein that localizes to vacuolar membranes and punctate structures attached to the vacuole 9624 S000000542 ORF Verified YCL037C SRO9 3 58678 57374 C Cytoplasmic RNA-binding protein that associates with translating ribosomes; involved in heme regulation of Hap1p as a component of the HMC complex, also involved in the organization of actin filaments; contains a La motif 9626 S000000541 ORF Uncharacterized YCL036W GFD2 3 59026 60726 W Protein of unknown function, identified as a high-copy suppressor of a dbp5 mutation 9628 S000000540 ORF Verified YCL035C GRX1 3 61173 60841 C Hydroperoxide and superoxide-radical responsive heat-stable glutathione-dependent disulfide oxidoreductase with active site cysteine pair; protects cells from oxidative damage 9630 S000000539 ORF Verified YCL034W LSB5 3 61658 62722 W Protein of unknown function; binds Las17p, which is a homolog of human Wiskott-Aldrich Syndrome protein involved in actin patch assembly and actin polymerization 9632 S000000538 ORF Uncharacterized YCL033C n.a. 3 63282 62776 C Hypothetical protein 9634 S000000537 ORF Verified YCL032W STE50 3 63441 64481 W Protein involved in mating response, invasive/filamentous growth, and osmotolerance, acts as an adaptor that links G protein-associated Cdc42p-Ste20p complex to the effector Ste11p to modulate signal transduction 9636 S000000536 ORF Verified YCL031C RRP7 3 65568 64675 C Essential protein involved in rRNA processing and ribosome biogenesis 9638 S000000535 ORF Verified YCL030C HIS4 3 68333 65934 C Multifunctional enzyme containing phosphoribosyl-ATP pyrophosphatase, phosphoribosyl-AMP cyclohydrolase, and histidinol dehydrogenase activities; catalyzes the second, third, ninth and tenth steps in histidine biosynthesis 9640 S000000534 ORF Verified YCL029C BIK1 3 69921 68599 C Microtubule-associated protein, component of the interface between microtubules and kinetochore, involved in sister chromatid separation; essential in polyploid cells but not in haploid or diploid cells; ortholog of mammalian CLIP-170 9642 S000000533 ORF Verified YCL028W RNQ1 3 70150 71367 W [PIN(+)] prion, an infectious protein conformation that is generally an ordered protein aggregate 9644 S000000532 ORF Verified YCL027W FUS1 3 71803 73341 W Membrane protein localized to the shmoo tip, required for cell fusion; expression regulated by mating pheromone; proposed to coordinate signaling, fusion, and polarization events required for fusion; potential Cdc28p substrate 9646 S000007548 ORF Uncharacterized YCL026C-B n.a. 3 73986 73405 C Hypothetical protein 9650 S000000589 ORF Verified YCL026C-A FRM2 3 75285 74704 C Protein of unknown function, involved in the integration of lipid signaling pathways with cellular homeostasis 9652 S000000530 ORF Verified YCL025C AGP1 3 77918 76131 C Low-affinity amino acid permease with broad substrate range, involved in uptake of asparagine, glutamine, and other amino acids; expression is regulated by the SPS plasma membrane amino acid sensor system (Ssy1p-Ptr3p-Ssy5p) 9654 S000000529 ORF Verified YCL024W KCC4 3 79161 82274 W Protein kinase of the bud neck involved in the septin checkpoint, associates with septin proteins, negatively regulates Swe1p by phosphorylation, shows structural homology to bud neck kinases Gin4p and Hsl1p 9656 S000000528 ORF Dubious YCL023C n.a. 3 79295 78948 C Hypothetical protein 9658 S000000527 ORF Dubious YCL022C n.a. 3 82084 81569 C Hypothetical protein 9660 S000006549 tRNA n.a. tE(UUC)C n.a. 3 82532 82461 C tRNA-Glu 9663 S000007549 ORF Uncharacterized YCL021W-A n.a. 3 83619 83996 W Hypothetical protein 9677 S000006637 tRNA n.a. tL(CAA)C SUP53 3 90858 90971 W tRNA-Leu 9678 S000033768 intron n.a. n.a. n.a. 3 90896 90927 W n.a. 9681 S000000523 ORF Verified YCL018W LEU2 3 91323 92417 W Beta-isopropylmalate dehydrogenase, catalyzes the third step in the leucine biosynthesis pathway 9683 S000000522 ORF Verified YCL017C NFS1 3 94269 92776 C Cysteine desulfurase involved in iron-sulfur cluster (Fe/S)biogenesis; required for the post-transcriptional thio-modification of mitochondrial and cytoplasmic tRNAs; essential protein located predominantly in mitochondria 9685 S000000521 ORF Verified YCL016C DCC1 3 95762 94620 C Subunit of a complex with Ctf8p and Ctf18p that shares some components with Replication Factor C, required for sister chromatid cohesion 9687 S000000520 ORF Verified YCL014W BUD3 3 96280 101190 W Protein involved in bud-site selection and required for axial budding pattern; localizes with septins to bud neck in mitosis and may constitute an axial landmark for next round of budding 9689 S000029705 ORF Verified YCL012C n.a. 3 101787 101316 C Nonessential protein of unknown function; orthologs are present in S. bayanus, S. paradoxus and Ashbya gossypii. 9692 S000036815 intron n.a. n.a. n.a. 3 101699 101633 C n.a. 9693 S000000517 ORF Verified YCL011C GBP2 3 103357 102074 C Poly(A+) RNA-binding protein, involved in the export of mRNAs from the nucleus to the cytoplasm; similar to Hrb1p and Npl3p; also binds single-stranded telomeric repeat sequence in vitro 9695 S000000516 ORF Verified YCL010C SGF29 3 104349 103570 C SaGa associated Factor 29kDa; Probable 29kKDa Subunit of SAGA histone acetyltransferase complex 9697 S000000515 ORF Verified YCL009C ILV6 3 105547 104618 C Regulatory subunit of acetolactate synthase, which catalyzes the first step of branched-chain amino acid biosynthesis; enhances activity of the Ilv2p catalytic subunit, localizes to mitochondria 9699 S000000514 ORF Verified YCL008C STP22 3 106852 105695 C Component of the ESCRT-I complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome; homologous to the mouse and human Tsg101 tumor susceptibility gene; mutants exhibit a Class E Vps phenotype 9701 S000028508 ORF Verified YCL005W-A VMA9 3 107022 107416 W Vacuolar H+ ATPase subunit e of the V0 (membrane) sector, essential for vacuolar acidification 9705 S000030221 intron n.a. n.a. n.a. 3 107033 107109 W n.a. 9706 S000030222 intron n.a. n.a. n.a. 3 107191 107286 W n.a. 9707 S000000513 ORF Dubious YCL007C n.a. 3 107365 106973 C Dubious open reading frame that overlaps YCL005W-A (87%); mutations in YCL007C were thought to confer sensitivity to calcofluor white, but this phenotype was later shown to be due to the defect in YCL005W-A 9709 S000006503 snoRNA n.a. snR43 SNR43 3 107711 107503 C H/ACA small nucleolar RNA (snoRNA); predicted to guide pseudouridylation of large subunit rRNA at position 965 9711 S000000511 ORF Uncharacterized YCL005W n.a. 3 108020 108790 W Hypothetical protein 9715 S000000510 ORF Verified YCL004W PGS1 3 109104 110669 W Phosphatidylglycerolphosphate synthase, catalyzes the synthesis of phosphatidylglycerolphosphate from CDP-diacylglycerol and sn-glycerol 3-phosphate in the first committed and rate-limiting step of cardiolipin biosynthesis 9717 S000000508 ORF Uncharacterized YCL002C n.a. 3 111673 110842 C Hypothetical protein 9720 S000037736 intron n.a. n.a. n.a. 3 111631 111556 C n.a. 9721 S000000507 ORF Verified YCL001W RER1 3 111913 112479 W Protein involved in retention of membrane proteins, including Sec12p, in the ER; localized to Golgi; functions as a retrieval receptor in returning membrane proteins to the ER 9723 S000007221 ORF Uncharacterized YCL001W-A n.a. 3 113077 113538 W Hypothetical protein 9725 S000007596 ORF Uncharacterized YCL001W-B n.a. 3 113767 114021 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 9732 S000000594 ORF Dubious YCR001W n.a. 3 115682 115996 W Hypothetical protein 9734 S000000595 ORF Verified YCR002C CDC10 3 118345 117377 C Component of the septin ring of the mother-bud neck that is required for cytokinesis; septins recruit proteins to the neck and can act as a barrier to diffusion at the membrane, and they comprise the 10nm filaments seen with EM 9736 S000000596 ORF Verified YCR003W MRPL32 3 118617 119168 W Mitochondrial ribosomal protein of the large subunit 9738 S000000597 ORF Verified YCR004C YCP4 3 120315 119572 C Protein of unknown function, has sequence and structural similarity to flavodoxins; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 9740 S000000598 ORF Verified YCR005C CIT2 3 122325 120943 C Citrate synthase, catalyzes the condensation of acetyl coenzyme A and oxaloacetate to form citrate, peroxisomal isozyme involved in glyoxylate cycle; expression is controlled by Rtg1p and Rtg2p transcription factors 9742 S000000599 ORF Dubious YCR006C n.a. 3 123000 122527 C Hypothetical protein 9744 S000006678 tRNA n.a. tP(AGG)C SUF2 3 123645 123574 C tRNA-Pro 9747 S000000600 ORF Uncharacterized YCR007C n.a. 3 126727 126008 C Putative integral membrane protein, member of DUP240 gene family 9749 S000006668 tRNA n.a. tN(GUU)C n.a. 3 127713 127786 W tRNA-Asn 9751 S000000601 ORF Verified YCR008W SAT4 3 128467 130278 W Ser/Thr protein kinase involved in salt tolerance; funtions in regulation of Trk1p-Trk2p potassium transporter; partially redundant with Hal5p; has similarity to Npr1p 9753 S000000602 ORF Verified YCR009C RVS161 3 131539 130742 C Amphiphysin-like lipid raft protein; subunit of a complex (Rvs161p-Rvs167p) that regulates polarization of the actin cytoskeleton, endocytosis, cell polarity, cell fusion and viability following starvation or osmotic stress 9757 S000000603 ORF Verified YCR010C ADY2 3 133121 132270 C Acetate transporter required for normal sporulation 9759 S000000604 ORF Verified YCR011C ADP1 3 136870 133721 C Putative ATP-dependent permease of the ABC transporter family of proteins 9761 S000000605 ORF Verified YCR012W PGK1 3 137743 138993 W 3-phosphoglycerate kinase, catalyzes transfer of high-energy phosphoryl groups from the acyl phosphate of 1,3-bisphosphoglycerate to ADP to produce ATP; key enzyme in glycolysis and gluconeogenesis 9763 S000000606 ORF Dubious YCR013C n.a. 3 139046 138399 C Protein required for cell viability 9765 S000000607 ORF Verified YCR014C POL4 3 140930 139182 C DNA polymerase IV, undergoes pair-wise interactions with Dnl4p-Lif1p and Rad27p to mediate repair of DNA double-strand breaks by non-homologous end joining (NHEJ); homologous to mammalian DNA polymerase beta 9767 S000000608 ORF Uncharacterized YCR015C n.a. 3 142167 141214 C Hypothetical protein 9769 S000007298 snoRNA n.a. snR33 SNR33 3 142543 142361 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at position 1041 9772 S000006575 tRNA n.a. tG(GCC)C SUF16 3 142768 142698 C tRNA-Gly 9774 S000000609 ORF Uncharacterized YCR016W n.a. 3 143631 144503 W Hypothetical protein 9776 S000000610 ORF Verified YCR017C CWH43 3 147631 144770 C Putative sensor/transporter protein involved in cell wall biogenesis; contains 14-16 transmembrane segments and several putative glycosylation and phosphorylation sites; null mutation is synthetically lethal with pkc1 deletion 9778 S000000611 ORF Verified YCR018C SRD1 3 148900 148235 C Protein involved in the processing of pre-rRNA to mature rRNA; contains a C2/C2 zinc finger motif; srd1 mutation suppresses defects caused by the rrp1-1 mutation 9781 S000006658 tRNA n.a. tM(CAU)C n.a. 3 149917 149988 W tRNA-Met 9785 S000006615 tRNA n.a. tK(CUU)C n.a. 3 151353 151281 C tRNA-Lys 9788 S000007230 ORF Dubious YCR018C-A n.a. 3 151859 151605 C Similar to probable membrane protein YLR334C and ORF YOL106W 9790 S000000612 ORF Verified YCR019W MAK32 3 152834 153925 W Protein necessary for structural stability of L-A double-stranded RNA-containing particles 9792 S000000613 ORF Verified YCR020C PET18 3 154656 154009 C Protein required for respiratory growth and stability of the mitochondrial genome 9794 S000000614 ORF Verified YCR020C-A MAK31 3 155093 154827 C Non-catalytic subunit of N-terminal acetyltransferase of the NatC type; required for replication of dsRNA virus; member of the Sm protein family 9796 S000006439 ORF Verified YCR020W-B HTL1 3 155317 155553 W Subunit of the RSC chromatin remodeling complex, a multisubunit complex that functions in transcriptional regulation, chromosome stability and establishing sister chromatid cohesion 9798 S000000615 ORF Verified YCR021C HSP30 3 157102 156104 C Hydrophobic plasma membrane localized, stress-responsive protein that negatively regulates the H(+)-ATPase Pma1p; induced by heat shock, ethanol treatment, weak organic acid, glucose limitation, and entry into stationary phase 9800 S000000616 ORF Dubious YCR022C n.a. 3 157760 157416 C Hypothetical protein 9802 S000000617 ORF Uncharacterized YCR023C n.a. 3 160368 158533 C Hypothetical protein 9804 S000000618 ORF Verified YCR024C SLM5 3 162217 160739 C Mitochondrial asparaginyl-tRNA synthetase 9806 S000028818 ORF Uncharacterized YCR024C-B n.a. 3 162860 162594 C Identified by expression profiling and mass spectrometry 9808 S000000619 ORF Verified YCR024C-A PMP1 3 163062 162940 C May regulate plasma membrane H(+)-ATPase; Proteolipid associated with plasma membrane H(+)-ATPase (Pma1p) 9810 S000000620 ORF Dubious YCR025C n.a. 3 163851 163441 C Hypothetical protein 9812 S000000621 ORF Uncharacterized YCR026C n.a. 3 166334 164106 C Hypothetical protein 9818 S000000622 ORF Verified YCR027C RHB1 3 167994 167365 C Putative Rheb-related GTPase involved in regulating canavanine resistance and arginine uptake; member of the Ras superfamily of G-proteins 9820 S000006692 tRNA n.a. tQ(UUG)C n.a. 3 168367 168296 C tRNA-Gln 9823 S000000623 ORF Verified YCR028C FEN2 3 172419 170881 C Plasma membrane H+-pantothenate symporter; confers sensitivity to the antifungal agent fenpropimorph 9825 S000007222 ORF Verified YCR028C-A RIM1 3 173435 172945 C Single-stranded DNA-binding protein that is essential for mitochondrial genome maintenance; Single-stranded zinc finger DNA-binding protein 9828 S000030989 intron n.a. n.a. n.a. 3 173193 173111 C n.a. 9829 S000000626 ORF Verified YCR030C SYP1 3 176433 173821 C Protein with a potential role in actin cytoskeletal organization; overexpression suppresses a pfy1 (profilin) null mutation 9831 S000006456 snoRNA n.a. snR65 SNR65 3 177178 177277 W guides 2'-O-methylation on large subunit rRNA at U2345; small nucleolar RNA snR65 9833 S000000627 ORF Verified YCR031C RPS14A 3 178215 177495 C Ribosomal protein 59 of the small subunit, required for ribosome assembly and 20S pre-rRNA processing; mutations confer cryptopleurine resistance; nearly identical to Rps14Bp and similar to E. coli S11 and rat S14 ribosomal proteins 9836 S000037574 intron n.a. n.a. n.a. 3 178208 177902 C n.a. 9837 S000007314 snoRNA n.a. snR189 SNR189 3 178793 178605 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of small subunit rRNA at position 466 and of large subunit rRNA at position 2730 9839 S000000628 ORF Verified YCR032W BPH1 3 179515 186018 W Protein homologous to human Chediak-Higashi syndrome protein and murine beige gene, which are implicated in disease syndromes due to defective lysosomal trafficking 9841 S000000629 ORF Verified YCR033W SNT1 3 186484 190164 W Subunit of the Set3C deacetylase complex; putative DNA-binding protein 9843 S000000630 ORF Verified YCR034W FEN1 3 190587 191630 W Fatty acid elongase, involved in sphingolipid biosynthesis; acts on fatty acids of up to 24 carbons in length; mutations have regulatory effects on 1,3-beta-glucan synthase, vacuolar ATPase, and the secretory pathway 9845 S000000631 ORF Verified YCR035C RRP43 3 193013 191829 C Protein involved in rRNA processing; component of the exosome 3->5 exonuclease complex with Rrp41p, Rrp42p, Rrp4p and Dis3p; required for efficient maturation of 5.8S, 18S and 25S rRNA 9847 S000000632 ORF Verified YCR036W RBK1 3 193292 194293 W Putative ribokinase 9851 S000000633 ORF Verified YCR037C PHO87 3 197180 194409 C Low-affinity inorganic phosphate (Pi) transporter, involved in activation of PHO pathway; expression is independent of Pi concentration and Pho4p activity; contains 12 membrane-spanning segments 9853 S000007597 ORF Dubious YCR038W-A n.a. 3 199288 199413 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 9855 S000000634 ORF Verified YCR038C BUD5 3 199544 197616 C GTP/GDP exchange factor for Rsr1p (Bud1p) required for both axial and bipolar budding patterns; mutants exhibit random budding in all cell types 9857 S000000635 ORF Verified YCR039C MATALPHA2 3 200173 199541 C Homeobox-domain containing protein which acts with Mcm1p in haploid cells to repress a-specific genes; in diploid cells Alpha2p acts together with A1p to repress transcription of haploid-specific genes 9859 S000000636 ORF Verified YCR040W MATALPHA1 3 200437 200964 W Transcriptional co-activator involved in regulation of mating-type-specific gene expression; targets the transcription factor Mcm1p to the promoters of alpha-specific genes; one of two genes encoded by the alpha mating type cassette 9861 S000000637 ORF Dubious YCR041W n.a. 3 200906 201238 W Hypothetical protein 9863 S000000638 ORF Verified YCR042C TAF2 3 205392 201169 C TFIID subunit (150 kDa), involved in RNA polymerase II transcription initiation 9865 S000000639 ORF Uncharacterized YCR043C n.a. 3 206639 206256 C Hypothetical protein 9867 S000000640 ORF Verified YCR044C PER1 3 207945 206872 C Vacuolar membrane protein that seems to be involved in Mn2+ homeostasis; mutant is dependent on activation of the unfolded protein response pathway for viability 9869 S000028607 ORF Dubious YCR045W-A n.a. 3 208746 209096 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9871 S000000641 ORF Uncharacterized YCR045C n.a. 3 209605 208130 C Hypothetical protein 9873 S000000642 ORF Verified YCR046C IMG1 3 210418 209909 C Mitochondrial ribosomal protein of the small subunit, required for respiration and for maintenance of the mitochondrial genome 9875 S000028608 ORF Dubious YCR047W-A n.a. 3 211296 211502 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9877 S000000643 ORF Verified YCR047C BUD23 3 211540 210713 C Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 9879 S000000644 ORF Verified YCR048W ARE1 3 211924 213756 W Acyl-CoA:sterol acyltransferase, isozyme of Are2p; endoplasmic reticulum enzyme that contributes the major sterol esterification activity in the absence of oxygen 9881 S000000645 ORF Dubious YCR049C n.a. 3 212312 211866 C Hypothetical protein 9883 S000000646 ORF Dubious YCR050C n.a. 3 213767 213459 C Hypothetical protein 9885 S000000647 ORF Uncharacterized YCR051W n.a. 3 214066 214734 W Hypothetical protein 9887 S000000648 ORF Verified YCR052W RSC6 3 214989 216440 W One of 15 subunits of the 'Remodel the Structure of Chromatin' (RSC) complex; essential for mitotic growth; homolog of SWI/SNF subunit Swp73p 9889 S000000649 ORF Verified YCR053W THR4 3 216692 218236 W Threonine synthase, conserved protein that catalyzes formation of threonine from 0-phosphohomoserine; expression is regulated by the GCN4-mediated general amino acid control pathway 9891 S000000650 ORF Verified YCR054C CTR86 3 220062 218371 C Essential protein of unknown function 9893 S000000653 ORF Verified YCR057C PWP2 3 223223 220452 C Conserved 90S pre-ribosomal component essential for proper endonucleolytic cleavage of the 35 S rRNA precursor at A0, A1, and A2 sites; contains eight WD-repeats; PWP2 deletion leads to defects in cell cycle and bud morphogenesis 9895 S000000655 ORF Verified YCR059C YIH1 3 224225 223449 C piecemeal microautophagy of the nucleus (PMN) 9897 S000000656 ORF Verified YCR060W TAH1 3 224394 224729 W HSP90 cofactor; interacts with Hsp82p, Pih1p, Rvb1 and Rvb2, contains a single TPR domain with at least two TPR motifs 9900 S000000657 ORF Uncharacterized YCR061W n.a. 3 225558 227453 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 9902 S000006730 tRNA n.a. tS(CGA)C SUP61 3 227937 228037 W tRNA-Ser 9903 S000029830 intron n.a. n.a. n.a. 3 227974 227992 W n.a. 9906 S000000659 ORF Verified YCR063W BUD31 3 228313 228786 W Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 9908 S000000660 ORF Dubious YCR064C n.a. 3 228500 228090 C Hypothetical protein 9910 S000000661 ORF Verified YCR065W HCM1 3 229305 230999 W Forkhead transcription factor involved in cell cycle specific transcription of SPC110, encoding a spindle pole body (SPB) calmodulin binding protein; dosage-dependent suppressor of calmodulin mutants with specific defects in SPB assembly 9912 S000000662 ORF Verified YCR066W RAD18 3 231495 232958 W Protein involved in postreplication repair; binds single-stranded DNA and has single-stranded DNA dependent ATPase activity; forms heterodimer with Rad6p; contains RING-finger motif 9914 S000000663 ORF Verified YCR067C SED4 3 236317 233120 C Integral endoplasmic reticulum membrane protein, functions as a positive regulator of Sar1p probably through inhibition of GTPase activation by Sec23p; binds Sec16p, participates in vesicle formation, similar to Sec12p 9916 S000000664 ORF Verified YCR068W ATG15 3 237209 238771 W Lipase, required for intravacuolar lysis of autophagic bodies; located in the endoplasmic reticulum membrane and targeted to intravacuolar vesicles during autophagy via the multivesicular body (MVB) pathway 9918 S000000665 ORF Verified YCR069W CPR4 3 239050 240006 W Peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; has a potential role in the secretory pathway 9920 S000000667 ORF Verified YCR071C IMG2 3 240538 240098 C Mitochondrial ribosomal protein of the small subunit 9922 S000000668 ORF Uncharacterized YCR072C n.a. 3 242347 240800 C Protein required for cell viability 9924 S000000669 ORF Verified YCR073C SSK22 3 246579 242584 C MAP kinase kinase kinase of the HOG1 mitogen-activated signaling pathway; functionally redundant with, and homologous to, Ssk2p; interacts with and is activated by Ssk1p; phosphorylates Pbs2p 9926 S000000718 ORF Verified YCR073W-A SOL2 3 246959 247906 W Protein with a possible role in tRNA export; shows similarity to glucose-6-phosphate dehydrogenase non-catalytic domains but does not exhibit this enzymatic activity; homologous to Sol1p, Sol3p, and Sol4p 9928 S000000671 ORF Verified YCR075C ERS1 3 248811 248029 C Protein with similarity to human cystinosin, which is a H(+)-driven transporter involved in L-cystine export from lysosomes and implicated in the disease cystinosis; contains seven transmembrane domains 9930 S000028519 ORF Uncharacterized YCR075W-A n.a. 3 248971 249198 W Identified by homology to Ashbya gossypii 9932 S000000672 ORF Uncharacterized YCR076C n.a. 3 250041 249289 C Hypothetical protein 9934 S000000673 ORF Verified YCR077C PAT1 3 252624 250234 C Topoisomerase II-associated deadenylation-dependent mRNA-decapping factor; also required for faithful chromosome transmission, maintenance of rDNA locus stability, and protection of mRNA 3'-UTRs from trimming; functionally linked to Pab1p 9936 S000002133 ORF Uncharacterized YCR079W n.a. 3 252841 254169 W Hypothetical protein 9938 S000000677 ORF Verified YCR081W SRB8 3 254367 258650 W RNA polymerase II mediator complex subunit 9940 S000028609 ORF Dubious YCR081C-A n.a. 3 258647 258411 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 9942 S000000678 ORF Uncharacterized YCR082W n.a. 3 258879 259265 W Protein of unknown function, proposed to be a Ada Histone acetyltransferase complex component; GFP tagged protein is localized to the cytoplasm and nucleus 9944 S000000679 ORF Verified YCR083W TRX3 3 259574 259957 W Mitochondrial thioredoxin, highly conserved oxidoreductase required to maintain the redox homeostasis of the cell, forms the mitochondrial thioredoxin system with Trr2p, redox state is maintained by both Trr2p and Glr1p 9946 S000000680 ORF Verified YCR084C TUP1 3 262448 260307 C General repressor of transcription, forms complex with Cyc8p, involved in the establishment of repressive chromatin structure through interactions with histones H3 and H4, appears to enhance expression of some genes 9948 S000000681 ORF Dubious YCR085W n.a. 3 262912 263265 W Hypothetical protein 9950 S000000682 ORF Verified YCR086W CSM1 3 263388 263960 W Protein that forms a complex with Lrs4p, located in the nucleolus; Lrs4p-Csm1p heterodimer binds to Mam1p at kinetochores during meiosis I to mediate accurate chromosome segregation, may be involved in premeiotic DNA replication 9952 S000000683 ORF Dubious YCR087W n.a. 3 263972 264487 W Hypothetical protein 9954 S000007223 ORF Uncharacterized YCR087C-A n.a. 3 264463 264002 C Hypothetical protein 9956 S000000684 ORF Verified YCR088W ABP1 3 265064 266842 W Actin-binding protein of the cortical actin cytoskeleton, important for activation of the Arp2/3 complex that plays a key role actin in cytoskeleton organization 9958 S000000685 ORF Verified YCR089W FIG2 3 267430 272259 W Cell wall adhesin, expressed specifically during mating; may be involved in maintenance of cell wall integrity during mating 9961 S000000686 ORF Uncharacterized YCR090C n.a. 3 272859 272311 C Hypothetical protein 9963 S000000687 ORF Verified YCR091W KIN82 3 274400 276562 W Putative serine/threonine protein kinase, most similar to cyclic nucleotide-dependent protein kinase subfamily and the protein kinase C subfamily 9965 S000000688 ORF Verified YCR092C MSH3 3 279903 276760 C Mismatch repair protein, forms dimers with Msh2p that mediate repair of insertion or deletion mutations and removal of nonhomologous DNA ends, contains a PCNA (Pol30p) binding motif required for genome stability 9967 S000000689 ORF Verified YCR093W CDC39 3 280113 286439 W Component of the CCR4-NOT complex, which has multiple roles in regulating mRNA levels including regulation of transcription and destabilizing mRNAs by deadenylation; basal transcription factor 9969 S000000690 ORF Verified YCR094W CDC50 3 286758 287933 W Endosomal protein that regulates cell polarity; similar to Ynr048wp and Lem3p 9971 S000000691 ORF Uncharacterized YCR095C n.a. 3 289254 288166 C Cytoplasmic protein required for replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 9973 S000029724 ORF Uncharacterized YCR095W-A n.a. 3 289635 289793 W ORF, Uncharacterized 9978 S000000692 ORF Verified YCR096C HMRA2 3 293534 293175 C Silenced copy of A2, encoding a protein of with similarity to Alpha2p that is required along with A1p for inhibiting expression of the HO endonuclease in a/alpha HO/HO diploid cells with an active mating-type interconversion system 9980 S000000694 ORF Verified YCR097W HMRA1 3 293831 294317 W Silenced copy of A1, encoding a homeobox-domain containing corepressor that interacts with Alpha2p to repress haploid-specific gene transcription in diploid cells 9984 S000030024 intron n.a. n.a. n.a. 3 293936 293989 W n.a. 9985 S000030025 intron n.a. n.a. n.a. 3 294236 294287 W n.a. 9988 S000007632 ORF Dubious YCR097W-A n.a. 3 294435 294701 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. (ChrIII) 9991 S000006738 tRNA n.a. tT(AGU)C n.a. 3 295480 295552 W tRNA-Thr 9994 S000000695 ORF Verified YCR098C GIT1 3 298601 297045 C Plasma membrane permease, mediates uptake of the phosphatidylinositol metabolite glycerophosphoinositol as a source of the nutrients inositol and phosphate; expression and transport rate are regulated by phosphate and inositol availability 9996 S000000696 ORF Uncharacterized YCR099C n.a. 3 301295 300828 C Hypothetical protein 9998 S000000697 ORF Uncharacterized YCR100C n.a. 3 302217 301267 C Hypothetical protein 10000 S000000698 ORF Uncharacterized YCR101C n.a. 3 303026 302478 C Hypothetical protein 10002 S000000699 ORF Uncharacterized YCR102C n.a. 3 305463 304357 C Hypothetical protein 10004 S000007231 ORF Dubious YCR102W-A n.a. 3 306731 306928 W Similar to several yeast probable membrane proteins, including YNR075W and YFL062W 10006 S000000701 ORF Verified YCR104W PAU3 3 307797 308171 W Part of 23-member seripauperin multigene family encoded mainly in subtelomeric regions, active during alcoholic fermentation, regulated by anaerobiosis, negatively regulated by oxygen, repressed by heme 10008 S000000702 ORF Verified YCR105W ADH7 3 309066 310151 W NADPH-dependent cinnamyl alcohol dehydrogenase family member with broad substrate specificity; may be involved in fusel alcohol synthesis 10010 S000000703 ORF Verified YCR106W RDS1 3 310954 313452 W Zinc cluster protein involved in conferring resistance to cycloheximide 10012 S000000704 ORF Verified YCR107W AAD3 3 313886 314977 W Putative aryl-alcohol dehydrogenase with similarity to P. chrysosporium aryl-alcohol dehydrogenase; mutational analysis has not yet revealed a physiological role 10020 S000028536 ORF Uncharacterized YCR108C n.a. 3 316184 315993 C Identified by fungal homology and RT-PCR 10030 S000002407 ORF Verified YDL248W COS7 4 1802 2953 W Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 10032 S000007602 ORF Dubious YDL247W-A n.a. 4 3762 3836 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 10034 S000002406 ORF Verified YDL247W MPH2 4 5985 7814 W Alpha-glucoside permease, transports maltose, maltotriose, alpha-methylglucoside, and turanose; identical to Mph3p; encoded in a subtelomeric position in a region likely to have undergone duplication 10036 S000002405 ORF Uncharacterized YDL246C SOR2 4 9756 8683 C Protein of unknown function, computational analysis of large-scale protein-protein interaction data suggests a possible role in fructose or mannose metabolism 10038 S000002404 ORF Verified YDL245C HXT15 4 13360 11657 C Protein of unknown function with similarity to hexose transporter family members, expression is induced by low levels of glucose and repressed by high levels of glucose 10040 S000002403 ORF Verified YDL244W THI13 4 16204 17226 W Protein involved in synthesis of the thiamine precursor hydroxymethylpyrimidine (HMP); member of a subtelomeric gene family including THI5, THI11, THI12, and THI13 10042 S000002402 ORF Verified YDL243C AAD4 4 18566 17577 C Putative aryl-alcohol dehydrogenase with similarity to P. chrysosporium aryl-alcohol dehydrogenase, involved in the oxidative stress response 10044 S000002401 ORF Dubious YDL242W n.a. 4 18959 19312 W Hypothetical protein 10046 S000002400 ORF Uncharacterized YDL241W n.a. 4 20635 21006 W Hypothetical protein 10048 S000007601 ORF Dubious YDL240C-A n.a. 4 22608 22471 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 10050 S000002399 ORF Verified YDL240W LRG1 4 22823 25876 W Putative GTPase-activating protein (GAP) involved in the Pkc1p-mediated signaling pathway that controls cell wall integrity; appears to specifically regulate 1,3-beta-glucan synthesis 10052 S000002398 ORF Verified YDL239C ADY3 4 28775 26403 C Protein required for spore wall formation, thought to mediate assembly of a Don1p-containing structure at the leading edge of the prospore membrane via interaction with spindle pole body components; potentially phosphorylated by Cdc28p 10054 S000002397 ORF Verified YDL238C GUD1 4 30454 28985 C Guanine deaminase, a catabolic enzyme of the guanine salvage pathway producing xanthine and ammonia from guanine; activity is low in exponentially-growing cultures but expression is increased in post-diauxic and stationary-phase cultures 10056 S000002396 ORF Uncharacterized YDL237W n.a. 4 30657 31829 W Hypothetical protein 10058 S000002395 ORF Verified YDL236W PHO13 4 32296 33234 W Alkaline phosphatase specific for p-nitrophenyl phosphate, involved in dephosphorylation of histone II-A and casein 10060 S000002394 ORF Verified YDL235C YPD1 4 33918 33415 C Phosphorelay intermediate protein, phosphorylated by the plasma membrane sensor Sln1p in response to osmotic stress and then in turn phosphorylates the response regulators Ssk1p in the cytosol and Skn7p in the nucleus 10062 S000002393 ORF Verified YDL234C GYP7 4 36478 34238 C GTPase-activating protein for yeast Rab family members including: Ypt7p (most effective), Ypt1p, Ypt31p, and Ypt32p (in vitro); involved in vesicle mediated protein trafficking 10064 S000002392 ORF Uncharacterized YDL233W n.a. 4 36798 38174 W Hypothetical protein 10066 S000002391 ORF Verified YDL232W OST4 4 38488 38598 W Subunit of the oligosaccharyltransferase complex of the ER lumen, which catalyzes asparagine-linked glycosylation of newly synthesized proteins; type I membrane protein of 36 residues that binds Stt3p and Ost3p together in a subcomplex 10068 S000002390 ORF Verified YDL231C BRE4 4 42245 38868 C Zinc finger protein containing five transmembrane domains; null mutant exhibits strongly fragmented vacuoles and sensitivity to brefeldin A, a drug which is known to affect intracellular transport 10070 S000002389 ORF Verified YDL230W PTP1 4 42701 43708 W Phosphotyrosine-specific protein phosphatase that dephosphorylates a broad range of substrates in vivo, including Fpr3p; localized to the cytoplasm and the mitochondria 10072 S000002388 ORF Verified YDL229W SSB1 4 44066 45907 W Cytoplasmic ATPase that is a ribosome-associated molecular chaperone; may be involved in the folding of newly-synthesized polypeptide chains; member of the heat shock protein 70 (HSP70) family; interacts with the phosphatase subunit Reg1p 10074 S000002387 ORF Dubious YDL228C n.a. 4 45919 45278 C Hypothetical protein 10076 S000002386 ORF Verified YDL227C HO 4 48032 46272 C Site-specific endonuclease required for gene conversion at the MAT locus (homothallic switching) through the generation of a ds DNA break; expression restricted to mother cells in late G1 as controlled by Swi4p-Swi6p, Swi5p and Ash1p 10078 S000002385 ORF Verified YDL226C GCS1 4 52174 51116 C ADP-ribosylation factor GTPase activating protein (ARF GAP), involved in ER-Golgi transport; shares functional similarity with Glo3p 10080 S000002384 ORF Verified YDL225W SHS1 4 52446 54101 W One of five related septins (Cdc3p, Cdc10p, Cdc11p, Cdc12p, Shs1p) that form a cortical filamentous collar at the mother-bud neck which is necessary for normal morphogenesis and cytokinesis 10082 S000002383 ORF Verified YDL224C WHI4 4 56347 54398 C Putative RNA binding protein and partially redundant Whi3p homolog that regulates the cell size requirement for passage through Start and commitment to cell division 10084 S000002382 ORF Verified YDL223C HBT1 4 60406 57266 C Substrate of the Hub1p ubiquitin-like protein that localizes to the shmoo tip (mating projection); mutants are defective for mating projection formation, thereby implicating Hbt1p in polarized cell morphogenesis 10086 S000002381 ORF Uncharacterized YDL222C FMP45 4 61802 60873 C The authentic, non-tagged protein was localized to the mitochondria; cell cortex protein; not required for growth on nonfermentable carbon sources; required for viability in stationary phase 10088 S000002380 ORF Dubious YDL221W n.a. 4 62012 62563 W Protein required for cell viability 10090 S000002379 ORF Verified YDL220C CDC13 4 65019 62245 C Single stranded DNA-binding protein found at TG1-3 telomere G-tails; regulates telomere replication through recruitment of specific sub-complexes, but the essential function is telomere capping 10092 S000002378 ORF Verified YDL219W DTD1 4 65243 65766 W D-Tyr-tRNA(Tyr) deacylase, functions in protein translation, may affect nonsense suppression via alteration of the protein synthesis machinery; ubiquitous among eukaryotes 10095 S000032534 intron n.a. n.a. n.a. 4 65308 65378 W n.a. 10096 S000002377 ORF Uncharacterized YDL218W n.a. 4 66494 67447 W Hypothetical protein 10098 S000002376 ORF Verified YDL217C TIM22 4 68607 67984 C Mitochondrial inner membrane protein involved in import of proteins of the ADP/ATP carrier (AAC) family 10100 S000002375 ORF Verified YDL216C RRI1 4 70365 68998 C Catalytic subunit of the COP9 signalosome (CSN) complex that acts as an isopeptidase in cleaving the ubiquitin-like protein Nedd8 from SCF ubiquitin ligases; metalloendopeptidase involved in the adaptation to pheromone signaling 10102 S000002374 ORF Verified YDL215C GDH2 4 73919 70641 C NAD(+)-dependent glutamate dehydrogenase, degrades glutamate to ammonia and alpha-ketoglutarate; expression sensitive to nitrogen catabolite repression and intracellular ammonia levels 10104 S000002373 ORF Verified YDL214C PRR2 4 76546 74447 C Protein kinase with a possible role in MAP kinase signaling in the pheromone response pathway 10106 S000002372 ORF Uncharacterized YDL213C NOP6 4 77967 77290 C Protein with similarity to hydrophilins, which are involved in the adaptive response to hyperosmotic conditions; computational analysis of large-scale protein-protein interaction data suggests a possible role in rRNA processing 10108 S000002371 ORF Verified YDL212W SHR3 4 78427 79059 W Endoplasmic reticulum packaging chaperone, required for incorporation of amino acid permeases into COPII coated vesicles for transport to the cell surface 10110 S000002370 ORF Uncharacterized YDL211C n.a. 4 80413 79295 C Hypothetical protein 10112 S000006576 tRNA n.a. tG(GCC)D1 n.a. 4 83549 83619 W tRNA-Gly 10114 S000002369 ORF Verified YDL210W UGA4 4 84271 85986 W Permease that serves as a gamma-aminobutyrate (GABA) transport protein involved in the utilization of GABA as a nitrogen source; catalyzes the transport of putrescine and delta-aminolevulinic acid (ALA); localized to the vacuolar membrane 10116 S000002368 ORF Verified YDL209C CWC2 4 87227 86208 C Protein involved in pre-mRNA splicing, component of a complex containing Cef1p; interacts with Prp19p; contains an RNA recognition motif; has similarity to S. pombe Cwf2p 10118 S000002367 ORF Verified YDL208W NHP2 4 87462 87983 W Nuclear protein related to mammalian high mobility group (HMG) proteins, essential for function of H/ACA-type snoRNPs, which are involved in 18S rRNA processing 10120 S000002366 ORF Verified YDL207W GLE1 4 88249 89865 W Cytoplasmic nucleoporin required for polyadenylated RNA export but not for protein import; component of Nup82p nuclear pore subcomplex; contains a nuclear export signal 10122 S000002365 ORF Uncharacterized YDL206W n.a. 4 90177 92465 W Hypothetical protein 10124 S000002364 ORF Verified YDL205C HEM3 4 93746 92763 C Phorphobilinogen deaminase, catalyzes the conversion of 4-porphobilinogen to hydroxymethylbilane, the third step in the heme biosynthetic pathway; localizes to both the cytoplasm and nucleus; expression is regulated by Hap2p-Hap3p 10126 S000002363 ORF Verified YDL204W RTN2 4 94606 95787 W Protein of unknown function; has similarity to mammalian reticulon proteins; member of the RTNLA (reticulon-like A) subfamily 10128 S000002362 ORF Uncharacterized YDL203C n.a. 4 97954 96083 C Hypothetical protein 10130 S000002361 ORF Verified YDL202W MRPL11 4 98476 99225 W Mitochondrial ribosomal protein of the large subunit 10132 S000002360 ORF Verified YDL201W TRM8 4 99562 100422 W Subunit of a tRNA methyltransferase complex composed of Trm8p and Trm82p that catalyzes 7-methylguanosine modification of tRNA 10134 S000002359 ORF Verified YDL200C MGT1 4 101122 100502 C DNA repair methyltransferase (6-O-methylguanine-DNA methylase) involved in protection against DNA alkylation damage 10136 S000002358 ORF Uncharacterized YDL199C n.a. 4 103354 101291 C Hypothetical protein 10138 S000002357 ORF Verified YDL198C GGC1 4 104552 103650 C Mitochondrial GTP/GDP transporter, essential for mitochondrial genome maintenance; has a role in mitochondrial iron transport; member of the mitochondrial carrier family; (putative) mitochondrial carrier protein 10140 S000002356 ORF Verified YDL197C ASF2 4 106495 104918 C Anti-silencing protein that causes derepression of silent loci when overexpressed 10142 S000002355 ORF Dubious YDL196W n.a. 4 106742 107071 W Protein required for cell viability 10144 S000002354 ORF Verified YDL195W SEC31 4 107209 111030 W Essential phosphoprotein component (p150) of the COPII coat of secretory pathway vesicles, in complex with Sec13p; required for ER-derived transport vesicle formation 10146 S000002353 ORF Verified YDL194W SNF3 4 111581 114235 W Plasma membrane glucose sensor that regulates glucose transport; has 12 predicted transmembrane segments; long cytoplasmic C-terminal tail is required for low glucose induction of hexose transporter genes HXT2 and HXT4 10148 S000002352 ORF Uncharacterized YDL193W n.a. 4 114673 115800 W Protein required for cell viability 10150 S000002351 ORF Verified YDL192W ARF1 4 116322 116867 W ADP-ribosylation factor, GTPase of the Ras superfamily involved in regulation of coated formation vesicles in intracellular trafficking within the Golgi; functionally interchangeable with Arf2p 10152 S000002350 ORF Verified YDL191W RPL35A 4 117665 118518 W Protein component of the large (60S) ribosomal subunit, identical to Rpl35Bp and has similarity to rat L35 ribosomal protein 10155 S000033397 intron n.a. n.a. n.a. 4 117668 118158 W n.a. 10156 S000002349 ORF Verified YDL190C UFD2 4 121593 118708 C Ubiquitin chain assembly factor (E4) that cooperates with a ubiquitin-activating enzyme (E1), a ubiquitin-conjugating enzyme (E2), and a ubiquitin protein ligase (E3) to conjugate ubiquitin to substrates; also functions as an E3 10158 S000002348 ORF Verified YDL189W RBS1 4 122217 123590 W Protein of unknown function, identified as a high copy suppressor of psk1 psk2 mutations that confer temperature-sensitivity for galactose utilization; proposed to bind single-stranded nucleic acids via its R3H domain 10160 S000002347 ORF Verified YDL188C PPH22 4 124999 123866 C Catalytic subunit of protein phosphatase 2A, functionally redundant with Pph21p; methylated at C terminus; forms alternate complexes with several regulatory subunits; involved in signal transduction and regulation of mitosis 10162 S000002345 ORF Uncharacterized YDL186W n.a. 4 125617 126450 W Hypothetical protein 10164 S000002346 ORF Dubious YDL187C n.a. 4 125839 125510 C Hypothetical protein 10166 S000002344 ORF Verified YDL185W TFP1 4 126788 130003 W Vacuolar ATPase V1 domain subunit A containing the catalytic nucleotide binding sites; protein precursor undergoes self-catalyzed splicing to yield the extein Tfp1p and the intein Vde (PI-SceI), which is a site-specific endonuclease 10168 S000007600 ORF Dubious YDL185C-A n.a. 4 126836 126609 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 10170 S000002343 ORF Verified YDL184C RPL41A 4 130485 130408 C Ribosomal protein L47 of the large (60S) ribosomal subunit, identical to Rpl41Bp and has similarity to rat L41 ribosomal protein; comprised of only 25 amino acids; rpl41a rpl41b double null mutant is viable 10172 S000002342 ORF Uncharacterized YDL183C n.a. 4 131834 130872 C Hypothetical protein 10174 S000002341 ORF Verified YDL182W LYS20 4 133438 134724 W Homocitrate synthase isozyme, catalyzes the condensation of acetyl-CoA and alpha-ketoglutarate to form homocitrate, which is the first step in the lysine biosynthesis pathway; highly similar to the other isozyme, Lys21p 10176 S000002340 ORF Verified YDL181W INH1 4 135180 135437 W Protein that inhibits ATP hydrolysis by the F1F0-ATP synthase, inhibitory function is enhanced by stabilizing proteins Stf1p and Stf2p; has similarity to Stf1p and both Inh1p and Stf1p exhibit the potential to form coiled-coil structures 10178 S000002339 ORF Uncharacterized YDL180W n.a. 4 135897 137540 W Hypothetical protein 10180 S000002338 ORF Verified YDL179W PCL9 4 138292 139206 W Cyclin, forms a functional kinase complex with Pho85p cyclin-dependent kinase (Cdk), expressed in late M/early G1 phase, activated by Swi5p 10182 S000002337 ORF Verified YDL178W DLD2 4 139523 141115 W D-lactate dehydrogenase, located in the mitochondrial matrix 10184 S000002336 ORF Uncharacterized YDL177C n.a. 4 141722 141210 C Hypothetical protein 10186 S000002335 ORF Uncharacterized YDL176W n.a. 4 142098 144224 W Hypothetical protein 10188 S000002334 ORF Verified YDL175C AIR2 4 145519 144485 C RING finger protein that interacts with the arginine methyltransferase Hmt1p; may regulate methylation of Npl3p, which modulates Npl3p function in mRNA processing and export; has similarity to Air1p 10190 S000002333 ORF Verified YDL174C DLD1 4 147590 145827 C D-lactate dehydrogenase, oxidizes D-lactate to pyruvate, transcription is heme-dependent, repressed by glucose, and derepressed in ethanol or lactate; located in the mitochondrial inner membrane 10192 S000002332 ORF Uncharacterized YDL173W n.a. 4 148192 149079 W Hypothetical protein 10194 S000002331 ORF Dubious YDL172C n.a. 4 149087 148608 C Hypothetical protein 10196 S000002330 ORF Verified YDL171C GLT1 4 155641 149204 C NAD(+)-dependent glutamate synthase (GOGAT), synthesizes glutamate from glutamine and alpha-ketoglutarate; with Gln1p, forms the secondary pathway for glutamate biosynthesis from ammonia; expression regulated by nitrogen source 10198 S000002329 ORF Verified YDL170W UGA3 4 156319 157905 W Transcriptional activator necessary for gamma-aminobutyrate (GABA)-dependent induction of GABA genes (such as UGA1, UGA2, UGA4); zinc-finger transcription factor of the Zn(2)-Cys(6) binuclear cluster domain type; localized to the nucleus 10200 S000002328 ORF Verified YDL169C UGX2 4 158736 158065 C Protein of unknown function 10202 S000002327 ORF Verified YDL168W SFA1 4 159605 160765 W Bifunctional enzyme containing both alcohol dehydrogenase and glutathione-dependent formaldehyde dehydrogenase activities, functions in formaldehyde detoxification and formation of long chain and complex alcohols, regulated by Hog1p-Sko1p 10204 S000002326 ORF Verified YDL167C NRP1 4 163155 160996 C Protein of unknown function, rich in asparagine residues 10206 S000002325 ORF Verified YDL166C FAP7 4 164043 163450 C Essential nuclear protein, involved in the oxidative stress response 10208 S000002324 ORF Verified YDL165W CDC36 4 164291 164866 W Component of the CCR4-NOT complex, which has multiple roles in regulating mRNA levels including regulation of transcription and destabilizing mRNAs by deadenylation; basal transcription factor 10210 S000002322 ORF Dubious YDL163W n.a. 4 166957 167259 W Protein required for cell viability 10212 S000002323 ORF Verified YDL164C CDC9 4 167255 164988 C DNA ligase found in the nucleus and mitochondria, an essential enzyme that joins Okazaki fragments during DNA replication; also acts in nucleotide excision repair, base excision repair, and recombination 10214 S000002320 ORF Verified YDL161W ENT1 4 167715 169079 W Epsin-like protein involved in endocytosis and actin patch assembly and functionally redundant with Ent2p; binds clathrin via a clathrin-binding domain motif at C-terminus 10216 S000002321 ORF Dubious YDL162C n.a. 4 167716 167360 C Hypothetical protein 10218 S000028520 ORF Uncharacterized YDL160C-A n.a. 4 169609 169367 C Identified by homology to Ashbya gossypii 10220 S000002319 ORF Verified YDL160C DHH1 4 171931 170411 C Cytoplasmic DExD/H-box helicase, stimulates mRNA decapping, coordinates distinct steps in mRNA function and decay, interacts with both the decapping and deadenylase complexes, may have a role in mRNA export and translation 10222 S000007599 ORF Uncharacterized YDL159W-A n.a. 4 172183 172314 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 10224 S000002318 ORF Verified YDL159W STE7 4 172482 174029 W Signal transducing MAP kinase kinase involved in pheromone response, where it phosphorylates Fus3p, and in the pseudohyphal/invasive growth pathway, through phosphorylation of Kss1p; phosphorylated by Ste11p, degraded by ubiquitin pathway 10226 S000028612 ORF Dubious YDL159C-B n.a. 4 173233 173057 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 10228 S000002317 ORF Dubious YDL158C n.a. 4 174175 173867 C Hypothetical protein 10230 S000002316 ORF Uncharacterized YDL157C n.a. 4 174589 174233 C Hypothetical protein 10232 S000002315 ORF Uncharacterized YDL156W n.a. 4 174919 176487 W Hypothetical protein 10234 S000002314 ORF Verified YDL155W CLB3 4 176774 178057 W B-type cyclin involved in cell cycle progression; activates Cdc28p to promote the G2/M transition; may be involved in DNA replication and spindle assembly; accumulates during S phase and G2, then targeted for ubiquitin-mediated degradation 10236 S000002313 ORF Verified YDL154W MSH5 4 178335 181040 W Protein of the MutS family, forms a dimer with Msh4p that facilitates crossovers between homologs during meiosis; msh5-Y823H mutation confers tolerance to DNA alkylating agents; homologs present in C. elegans and humans 10238 S000002311 ORF Dubious YDL152W n.a. 4 182823 183188 W Protein required for cell viability 10240 S000002312 ORF Verified YDL153C SAS10 4 183019 181187 C Component of the small (ribosomal) subunit (SSU) processosome required for pre-18S rRNa processing; essential nucleolar protein that, when overproduced, disrupts silencing 10242 S000002309 ORF Verified YDL150W RPC53 4 183344 184612 W RNA polymerase III subunit C53 10244 S000002310 ORF Dubious YDL151C BUD30 4 183900 183319 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 96% of ORF overlaps the verified gene RPC53; diploid mutant displays a weak budding pattern phenotype in a systematic assay 10246 S000002308 ORF Verified YDL149W ATG9 4 184926 187919 W Transmembrane protein involved in formation of Cvt and autophagic vesicles; cycles between the pre-autophagosomal structure and other cytosolic punctate structures, not found in autophagosomes 10248 S000002307 ORF Verified YDL148C NOP14 4 190587 188155 C Nucleolar protein, forms a complex with Noc4p that mediates maturation and nuclear export of 40S ribosomal subunits; also present in the small subunit processome complex, which is required for processing of pre-18S rRNA 10250 S000002306 ORF Verified YDL147W RPN5 4 190925 192262 W Essential, non-ATPase regulatory subunit of the 26S proteasome lid, similar to mammalian p55 subunit and to another S. cerevisiae regulatory subunit, Rpn7p 10252 S000002305 ORF Uncharacterized YDL146W n.a. 4 192751 194226 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, bud, and bud neck 10254 S000002304 ORF Verified YDL145C COP1 4 198177 194572 C Alpha subunit of COPI vesicle coatomer complex, which surrounds transport vesicles in the early secretory pathway 10256 S000002303 ORF Uncharacterized YDL144C n.a. 4 199733 198663 C Hypothetical protein 10258 S000002302 ORF Verified YDL143W CCT4 4 199997 201583 W Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo 10260 S000002301 ORF Verified YDL142C CRD1 4 202571 201720 C Cardiolipin synthase; produces cardiolipin, which is an important constituent of mitochondrial membranes; required for normal mitochondrial membrane potential and function 10262 S000002300 ORF Verified YDL141W BPL1 4 203040 205112 W Biotin:apoprotein ligase, covalently modifies proteins with the addition of biotin, required for acetyl-CoA carboxylase (Acc1p) holoenzyme formation 10264 S000002299 ORF Verified YDL140C RPO21 4 210562 205361 C RNA polymerase II largest subunit B220, part of central core; phosphorylation of C-terminal heptapeptide repeat domain regulates association with transcription and splicing factors; similar to bacterial beta-prime 10266 S000002298 ORF Uncharacterized YDL139C SCM3 4 212047 211376 C Protein of unknown function; isolated as a high-copy suppressor of mutations in the histone fold domain (HFD) of CSE4 10268 S000002297 ORF Verified YDL138W RGT2 4 213352 215643 W Plasma membrane glucose receptor, highly similar to Snf3p; both Rgt2p and Snf3p serve as transmembrane glucose sensors generating an intracellular signal that induces expression of glucose transporter (HXT) genes 10270 S000002296 ORF Verified YDL137W ARF2 4 216529 217074 W ADP-ribosylation factor, GTPase of the Ras superfamily involved in regulation of coated formation vesicles in intracellular trafficking within the Golgi; functionally interchangeable with Arf1p 10272 S000002295 ORF Verified YDL136W RPL35B 4 217600 218367 W Protein component of the large (60S) ribosomal subunit, identical to Rpl35Ap and has similarity to rat L35 ribosomal protein 10275 S000036639 intron n.a. n.a. n.a. 4 217603 218007 W n.a. 10276 S000002294 ORF Verified YDL135C RDI1 4 219288 218680 C Rho GDP dissociation inhibitor involved in the localization and regulation of Cdc42p 10278 S000002292 ORF Verified YDL134C PPH21 4 220771 219662 C Catalytic subunit of protein phosphatase 2A, functionally redundant with Pph22p; methylated at C terminus; forms alternate complexes with several regulatory subunits; involved in signal transduction and regulation of mitosis 10280 S000002293 ORF Verified YDL133C-A RPL41B 4 221801 221724 C Ribosomal protein L47 of the large (60S) ribosomal subunit, identical to Rpl41Ap and has similarity to rat L41 ribosomal protein; comprised of only 25 amino acids; rpl41a rpl41b double null mutant is viable 10282 S000002291 ORF Uncharacterized YDL133W n.a. 4 222427 223740 W Hypothetical protein 10284 S000002290 ORF Verified YDL132W CDC53 4 224304 226751 W Cullin, structural protein of SCF complexes (which also contain Skp1p, Cdc34p, and an F-box protein) involved in ubiquitination; SCF promotes the G1-S transition by targeting G1 cyclins and the Cln-CDK inhibitor Sic1p for degradation 10286 S000002289 ORF Verified YDL131W LYS21 4 227393 228715 W Homocitrate synthase isozyme, catalyzes the condensation of acetyl-CoA and alpha-ketoglutarate to form homocitrate, which is the first step in the lysine biosynthesis pathway; highly similar to the other isozyme, Lys20p 10288 S000007232 ORF Verified YDL130W-A STF1 4 229171 229431 W Protein involved in regulation of the mitochondrial F1F0-ATP synthase; Stf1p and Stf2p act as stabilizing factors that enhance inhibitory action of the Inh1p protein 10290 S000002288 ORF Verified YDL130W RPP1B 4 229906 230527 W Ribosomal protein P1 beta, component of the ribosomal stalk, which is involved in interaction of translational elongation factors with ribosome; accumulation is regulated by phosphorylation and interaction with the P2 stalk component 10293 S000035363 intron n.a. n.a. n.a. 4 230020 230320 W n.a. 10294 S000002287 ORF Uncharacterized YDL129W n.a. 4 231024 231899 W Hypothetical protein 10296 S000002286 ORF Verified YDL128W VCX1 4 232652 233887 W Vacuolar H+/Ca2+ exchanger involved in control of cytosolic Ca2+ concentration; has similarity to sodium/calcium exchangers, including the bovine Na+/Ca2+,K+ antiporter 10298 S000002285 ORF Verified YDL127W PCL2 4 234927 235853 W G1 cyclin, associates with Pho85p cyclin-dependent kinase (Cdk) to contribute to entry into the mitotic cell cycle, essential for cell morphogenesis; localizes to sites of polarized cell growth 10300 S000002284 ORF Verified YDL126C CDC48 4 238664 236157 C ATPase in ER, nuclear membrane and cytosol with homology to mammalian p97; in a complex with Npl4p and Ufd1p participates in retrotranslocation of ubiquitinated proteins from the ER into the cytosol for degradation by the proteasome 10302 S000002283 ORF Verified YDL125C HNT1 4 239606 239019 C Adenosine 5'-monophosphoramidase; interacts physically and genetically with Kin28p, a CDK and TFIIK subunit, and genetically with CAK1; member of the histidine triad (HIT) superfamily of nucleotide-binding proteins and similar to Hint 10305 S000033249 intron n.a. n.a. n.a. 4 239509 239399 C n.a. 10306 S000002282 ORF Verified YDL124W n.a. 4 240259 241197 W NADPH-dependent alpha-keto amide reductase; reduces aromatic alpha-keto amides, aliphatic alpha-keto esters, and aromatic alpha-keto esters 10308 S000002281 ORF Verified YDL123W SNA4 4 241418 241840 W Protein of unknown function, localized to the vacuolar outer membrane 10310 S000002280 ORF Verified YDL122W UBP1 4 242552 244981 W Ubiquitin-specific protease that removes ubiquitin from ubiquitinated proteins; cleaves at the C terminus of ubiquitin fusions irrespective of their size; capable of cleaving polyubiquitin chains 10312 S000002279 ORF Uncharacterized YDL121C n.a. 4 245582 245133 C Hypothetical protein 10314 S000002278 ORF Verified YDL120W YFH1 4 245923 246447 W Yeast Frataxin Homologue; mitochondrial protein that regulates mitochondrial iron accumulation 10316 S000002276 ORF Dubious YDL118W n.a. 4 247302 247682 W Hypothetical protein 10318 S000002277 ORF Uncharacterized YDL119C n.a. 4 247612 246689 C Hypothetical protein 10320 S000002275 ORF Verified YDL117W CYK3 4 248581 251238 W SH3-domain protein located in the mother-bud neck and the cytokinetic actin ring; mutant phenotype and genetic interactions suggest a role in cytokinesis 10322 S000002274 ORF Verified YDL116W NUP84 4 251566 253746 W Subunit of the nuclear pore complex (NPC), forms a subcomplex with Nup85p, Nup120p, Nup145p-C, Sec13p, and Seh1p that plays a role in nuclear mRNA export and NPC biogenesis 10324 S000002273 ORF Uncharacterized YDL115C IWR1 4 254717 253995 C Protein of unknown function, deletion causes hypersensitivity to the K1 killer toxin 10326 S000007598 ORF Dubious YDL114W-A n.a. 4 254935 255048 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 10328 S000002272 ORF Uncharacterized YDL114W n.a. 4 255604 256530 W Hypothetical protein 10330 S000002271 ORF Verified YDL113C ATG20 4 258555 256633 C Protein required for transport of aminopeptidase I (Lap4p) through the cytoplasm-to-vacuole targeting pathway; binds phosphatidylinositol-3-phosphate, involved in localization of membranes to the preautophagosome, potential Cdc28p substrate 10332 S000002270 ORF Verified YDL112W TRM3 4 258915 263225 W 2'-O-ribose methyltransferase, catalyzes the ribose methylation of the guanosine nucleotide at position 18 of tRNAs 10334 S000002269 ORF Verified YDL111C RRP42 4 264110 263313 C Protein involved in rRNA processing; component of the exosome 3->5 exonuclease complex with Rrp4p, Rrp41p, Rrp43p and Dis3p 10336 S000002268 ORF Uncharacterized YDL110C n.a. 4 264964 264512 C Hypothetical protein 10338 S000002267 ORF Uncharacterized YDL109C n.a. 4 267201 265258 C Hypothetical protein 10340 S000002266 ORF Verified YDL108W KIN28 4 267698 268699 W Serine/threonine protein kinase, subunit of the transcription factor TFIIH; involved in transcription initiation at RNA polymerase II promoters 10343 S000033870 intron n.a. n.a. n.a. 4 267726 267806 W n.a. 10344 S000002265 ORF Verified YDL107W MSS2 4 268921 269976 W Peripherally bound inner membrane protein of the mitochondrial matrix, required for export of C-terminal tail of Cox2p through the inner membrane 10346 S000002264 ORF Verified YDL106C PHO2 4 271901 270222 C Homeobox transcription factor; regulatory targets include genes involved in phosphate metabolism; binds cooperatively with Pho4p to the PHO5 promoter; phosphorylation of Pho2p facilitates interaction with Pho4p 10348 S000002263 ORF Verified YDL105W NSE4 4 272389 273597 W Nuclear protein that plays a role in the function of the Smc5p-Rhc18p complex 10350 S000002262 ORF Uncharacterized YDL104C QRI7 4 274876 273653 C Putative metalloprotease, similar to O-sialoglycoprotein metallopeptidase from P. haemolytica 10352 S000002261 ORF Verified YDL103C QRI1 4 276581 275148 C UDP-N-acetylglucosamine pyrophosphorylase, catalyzes the formation of UDP-N-acetylglucosamine (UDP-GlcNAc), which is important in cell wall biosynthesis, protein N-glycosylation, and GPI anchor biosynthesis 10354 S000002260 ORF Verified YDL102W CDC2 4 276872 280165 W Catalytic subunit of DNA polymerase delta; required for chromosomal DNA replication during mitosis and meiosis, intragenic recombination, repair of double strand DNA breaks, and DNA replication during nucleotide excision repair (NER) 10356 S000002259 ORF Verified YDL101C DUN1 4 281848 280307 C Cell-cycle checkpoint serine-threonine kinase required for DNA damage-induced transcription of certain target genes, phosphorylation of Rad55p and Sml1p, and transient G2/M arrest after DNA damage; also regulates postreplicative DNA repair 10358 S000002258 ORF Verified YDL100C ARR4 4 283176 282112 C ATPase, involved in resistance to heat and metal stress, active as a dimer; normally localized to the cytosol, but appears to localize to late endosomes under stress conditions 10360 S000002257 ORF Uncharacterized YDL099W n.a. 4 283419 284444 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 10362 S000002256 ORF Verified YDL098C SNU23 4 285165 284581 C 23 kD U4/U6.U5 snRNP associated protein; Putative RNA binding zinc finger protein 10364 S000002255 ORF Verified YDL097C RPN6 4 286695 285391 C Essential, non-ATPase regulatory subunit of the 26S proteasome lid required for the assembly and activity of the 26S proteasome; the human homolog (S9 protein) partially rescues Rpn6p depletion 10366 S000002253 ORF Verified YDL095W PMT1 4 287059 289512 W Protein O-mannosyltransferase, transfers mannose residues from dolichyl phosphate-D-mannose to protein serine/threonine residues; acts in a complex with Pmt2p, can instead interact with Pmt3p in some conditions; target for new antifungals 10368 S000002254 ORF Dubious YDL096C n.a. 4 287324 286998 C Hypothetical protein 10370 S000002251 ORF Verified YDL093W PMT5 4 289909 292140 W Protein O-mannosyltransferase, transfers mannose residues from dolichyl phosphate-D-mannose to protein serine/threonine residues; acts in a complex with Pmt3p, can instead interact with Pmt2p in some conditions; target for new antifungals 10372 S000002252 ORF Dubious YDL094C n.a. 4 290081 289572 C Hypothetical protein 10374 S000002250 ORF Verified YDL092W SRP14 4 292781 293221 W Signal recognition particle (SRP) subunit, interacts with the RNA component of SRP to form the Alu domain, which is the region of SRP responsible for arrest of nascent chain elongation during membrane targeting; homolog of mammalian SRP14 10376 S000002249 ORF Uncharacterized YDL091C UBX3 4 294759 293392 C UBX (ubiquitin regulatory X) domain-containing protein that interacts with Cdc48p, green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 10378 S000002248 ORF Verified YDL090C RAM1 4 296329 295034 C Beta subunit of the CAAX farnesyltransferase (FTase) that prenylates the a-factor mating pheromone and Ras proteins; required for the membrane localization of Ras proteins and a-factor; homolog of the mammalian FTase beta subunit 10380 S000002247 ORF Uncharacterized YDL089W n.a. 4 296820 298274 W Protein of unknown function; interacts with meiotic division protein Csm1p; green fluorescent protein (GFP)-fusion protein localizes to the nuclear periphery, potential Cdc28p substrate 10382 S000002246 ORF Verified YDL088C ASM4 4 300003 298417 C Nuclear pore complex subunit, part of a subcomplex also containing Nup53p, Nup170p, and Pse1p 10384 S000002245 ORF Verified YDL087C LUC7 4 300999 300214 C Essential protein associated with the U1 snRNP complex; splicing factor involved in recognition of 5' splice site 10386 S000002244 ORF Uncharacterized YDL086W n.a. 4 301413 302234 W Hypothetical protein 10388 S000028611 ORF Dubious YDL086C-A n.a. 4 302089 301655 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 10390 S000007588 ORF Uncharacterized YDL085C-A n.a. 4 302670 302464 C Hypothetical protein 10392 S000002243 ORF Verified YDL085W NDE2 4 303211 304848 W Mitochondrial external NADH dehydrogenase, catalyzes the oxidation of cytosolic NADH; Nde1p and Nde2p are involved in providing the cytosolic NADH to the mitochondrial respiratory chain 10394 S000002242 ORF Verified YDL084W SUB2 4 305237 306577 W Component of the TREX complex required for nuclear mRNA export; DEAD-box RNA helicase involved in early and late steps of spliceosome assembly; homolog of the human splicing factor hUAP56 10396 S000002241 ORF Verified YDL083C RPS16B 4 307789 306926 C Protein component of the small (40S) ribosomal subunit; identical to Rps16Ap and has similarity to E. coli S9 and rat S16 ribosomal proteins 10399 S000035914 intron n.a. n.a. n.a. 4 307765 307334 C n.a. 10400 S000002240 ORF Verified YDL082W RPL13A 4 308424 309388 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl13Bp; not essential for viability; has similarity to rat L13 ribosomal protein 10403 S000035862 intron n.a. n.a. n.a. 4 308428 308792 W n.a. 10404 S000002239 ORF Verified YDL081C RPP1A 4 310122 309802 C Ribosomal protein P1 alpha, a component of the ribosomal stalk, which is involved in the interaction between translational elongation factors and the ribosome; accumulation of P1 in the cytoplasm is regulated by phosphorylation and interaction with the P2 stalk component 10406 S000002238 ORF Verified YDL080C THI3 4 312471 310642 C Probable decarboxylase, required for expression of enzymes involved in thiamine biosynthesis; may have a role in catabolism of amino acids to long-chain and complex alcohols 10408 S000002237 ORF Verified YDL079C MRK1 4 314748 312951 C Glycogen synthase kinase 3 (GSK-3) homolog; one of four GSK-3 homologs in S. cerevisiae that function to activate Msn2p-dependent transcription of stress responsive genes and that function in protein degradation 10411 S000033719 intron n.a. n.a. n.a. 4 314336 314045 C n.a. 10412 S000002236 ORF Verified YDL078C MDH3 4 316388 315357 C Cytoplasmic malate dehydrogenase, catalyzes interconversion of malate and oxaloacetate; involved in the glyoxylate cycle 10414 S000002235 ORF Verified YDL077C VAM6 4 320120 316971 C Vacuolar protein that plays a critical role in the tethering steps of vacuolar membrane fusion by facilitating guanine nucleotide exchange on small guanosine triphosphatase Ypt7p 10416 S000002234 ORF Uncharacterized YDL076C RXT3 4 321552 320668 C Protein of unknown function, may be involved in chromatin silencing 10418 S000002233 ORF Verified YDL075W RPL31A 4 322226 322988 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl31Bp and has similarity to rat L31 ribosomal protein; associates with the karyopherin Sxm1p 10421 S000032746 intron n.a. n.a. n.a. 4 322283 322703 W n.a. 10422 S000006454 snoRNA n.a. snR63 SNR63 4 323471 323217 C guides 2'-O-methylation on large subunit rRNA at A2254; small nucleolar RNA snR63 10424 S000002232 ORF Verified YDL074C BRE1 4 326149 324047 C E3 ubiquitin ligase for Rad6p, required for the ubiquitination of histone H2B, recruitment of Rad6p to promoter chromatin and subsequent methylation of histone H3 (on L4 and L79), contains RING finger domain 10426 S000002231 ORF Uncharacterized YDL073W n.a. 4 326613 329567 W Hypothetical protein 10428 S000002230 ORF Uncharacterized YDL072C n.a. 4 330447 329836 C Endoplasmic reticulum transmembrane protein, homolog of human BAP31 protein 10430 S000002228 ORF Verified YDL070W BDF2 4 331025 332941 W Protein involved in transcription initiation at TATA-containing promoters; associates with the basal transcription factor TFIID; contains two bromodomains; corresponds to the C-terminal region of mammalian TAF1; redundant with Bdf1p 10432 S000002229 ORF Dubious YDL071C n.a. 4 331041 330667 C Hypothetical protein 10434 S000002226 ORF Dubious YDL068W n.a. 4 333500 333829 W Hypothetical protein 10436 S000002227 ORF Verified YDL069C CBS1 4 333810 333121 C translational activator of cytochrome b 10438 S000002225 ORF Verified YDL067C COX9 4 334396 334217 C Subunit VIIa of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain 10440 S000002224 ORF Verified YDL066W IDP1 4 334835 336121 W Mitochondrial NADP-specific isocitrate dehydrogenase, catalyzes the oxidation of isocitrate to alpha-ketoglutarate; not required for mitochondrial respiration and may function to divert alpha-ketoglutarate to biosynthetic processes 10442 S000002223 ORF Verified YDL065C PEX19 4 337301 336249 C Chaperone and import receptor for newly-synthesized class I peroxisomal membrane proteins (PMPs), binds PMPs in the cytoplasm and delivers them to the peroxisome for subsequent insertion into the peroxisomal membrane 10444 S000002222 ORF Verified YDL064W UBC9 4 337487 338070 W SUMO-conjugating enzyme involved in the Smt3p conjugation pathway; nuclear protein required for S- and M-phase cyclin degradation and mitotic control; involved in proteolysis mediated by the anaphase-promoting complex cyclosome (APCC) 10447 S000036732 intron n.a. n.a. n.a. 4 337525 337634 W n.a. 10448 S000002220 ORF Dubious YDL062W n.a. 4 339857 340282 W Hypothetical protein 10450 S000002221 ORF Uncharacterized YDL063C n.a. 4 340134 338272 C Hypothetical protein 10452 S000002219 ORF Verified YDL061C RPS29B 4 340798 340628 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps29Ap and has similarity to rat S29 and E. coli S14 ribosomal proteins 10454 S000002218 ORF Verified YDL060W TSR1 4 341619 343985 W Protein required for processing of 20S pre-rRNA in the cytoplasm, associates with pre-40S ribosomal particles 10456 S000002217 ORF Verified YDL059C RAD59 4 344953 344237 C Protein involved in the repair of double-strand breaks in DNA during vegetative growth via recombination and single-strand annealing; anneals complementary single-stranded DNA; homologous to Rad52p 10458 S000002216 ORF Verified YDL058W USO1 4 345665 351037 W Essential protein involved in intracellular protein transport, coiled-coil protein necessary for transport from ER to Golgi; required for assembly of the ER-to-Golgi SNARE complex 10460 S000002215 ORF Uncharacterized YDL057W n.a. 4 351434 352420 W Hypothetical protein 10462 S000002214 ORF Verified YDL056W MBP1 4 352877 355378 W Transcription factor involved in regulation of cell cycle progression from G1 to S phase, forms a complex with Swi6p that binds to MluI cell cycle box regulatory element in promoters of DNA synthesis genes 10464 S000002213 ORF Verified YDL055C PSA1 4 356759 355674 C GDP-mannose pyrophosphorylase (mannose-1-phosphate guanyltransferase), synthesizes GDP-mannose from GTP and mannose-1-phosphate in cell wall biosynthesis; required for normal cell wall structure 10466 S000006629 tRNA n.a. tK(UUU)D n.a. 4 359577 359672 W tRNA-Lys 10467 S000034182 intron n.a. n.a. n.a. 4 359614 359636 W n.a. 10470 S000002212 ORF Verified YDL054C MCH1 4 361285 359825 C Protein with similarity to mammalian monocarboxylate permeases, which are involved in transport of monocarboxylic acids across the plasma membrane; mutant is not deficient in monocarboxylate transport 10472 S000002211 ORF Uncharacterized YDL053C PBP4 4 362256 361699 C Pbp1p binding protein, interacts strongly with Pab1p-binding protein 1 (Pbp1p) in the yeast two-hybrid system 10474 S000002210 ORF Verified YDL052C SLC1 4 363583 362672 C 1-acyl-sn-gylcerol-3-phosphate acyltransferase, catalyzes the acylation of lysophosphatidic acid to form phosphatidic acid, a key intermediate in lipid metabolism; located in lipid particles and endoplasmic reticulum 10476 S000002209 ORF Verified YDL051W LHP1 4 363952 364779 W RNA binding protein required for maturation of tRNA and snRNA precursors; acts as a molecular chaperone for RNAs transcribed by polymerase III; homologous to human La (SS-B) autoantigen 10478 S000002208 ORF Dubious YDL050C n.a. 4 364817 364446 C Hypothetical protein 10480 S000002207 ORF Verified YDL049C KNH1 4 365874 365068 C Protein with similarity to Kre9p, which is involved in cell wall beta 1,6-glucan synthesis; overproduction suppresses growth defects of a kre9 null mutant 10482 S000002206 ORF Verified YDL048C STP4 4 368211 366739 C Protein involved in pre-tRNA splicing and in uptake of branched-chain amino acids 10484 S000002205 ORF Verified YDL047W SIT4 4 369769 370704 W Type 2A-related serine-threonine phosphatase that functions in the G1/S transition of the mitotic cycle; cytoplasmic and nuclear protein that modulates functions mediated by Pkc1p including cell wall and actin cytoskeleton organization 10486 S000002204 ORF Uncharacterized YDL046W n.a. 4 371237 371758 W Putative homolog of human NPC2/He1, which is a cholesterol-binding protein whose deficiency causes Niemann-Pick type C2 disease involving retention of cholesterol in lysosomes 10488 S000006430 ORF Verified YDL045W-A MRP10 4 372245 372532 W Mitochondrial ribosomal protein of the small subunit 10490 S000002203 ORF Verified YDL045C FAD1 4 373605 372685 C Flavin adenine dinucleotide (FAD) synthetase, performs the second step in synthesis of FAD from riboflavin 10492 S000002202 ORF Verified YDL044C MTF2 4 375286 373964 C Mitochondrial matrix protein that interacts with an N-terminal region of mitochondrial RNA polymerase (Rpo41p) and couples RNA processing and translation to transcription 10494 S000002201 ORF Verified YDL043C PRP11 4 376477 375677 C Subunit of the SF3a splicing factor complex, required for spliceosome assembly 10496 S000002199 ORF Dubious YDL041W n.a. 4 378099 378452 W Hypothetical protein 10498 S000002200 ORF Verified YDL042C SIR2 4 378442 376754 C Conserved NAD+ dependent histone deacetylase of the Sirtuin family involved in regulation of lifespan; plays roles in silencing at HML, HMR, telomeres, and the rDNA locus; negatively regulates initiation of DNA replication 10500 S000002198 ORF Verified YDL040C NAT1 4 381435 378871 C Subunit of the N-terminal acetyltransferase NatA (Nat1p, Ard1p, Nat5p); N-terminally acetylates many proteins, which influences multiple processes such as the cell cycle, heat-shock resistance, mating, sporulation, and telomeric silencing 10502 S000002197 ORF Verified YDL039C PRM7 4 382330 381983 C Pheromone-regulated protein, predicted to have one transmembrane segment; promoter contains Gcn4p binding elements 10504 S000002196 ORF Uncharacterized YDL038C n.a. 4 384078 382327 C Hypothetical protein 10506 S000002195 ORF Verified YDL037C BSC1 4 385584 384598 C Protein of unconfirmed function, similar to cell surface flocculin Muc1p; ORF exhibits genomic organization compatible with a translational readthrough-dependent mode of expression 10508 S000002194 ORF Uncharacterized YDL036C n.a. 4 388898 387510 C Hypothetical protein 10510 S000002192 ORF Dubious YDL034W n.a. 4 391780 392124 W Hypothetical protein 10512 S000002193 ORF Verified YDL035C GPR1 4 392054 389169 C Plasma membrane G protein coupled receptor (GPCR) that interacts with the heterotrimeric G protein alpha subunit, Gpa2p, and with Plc1p; sensor that integrates nutritional signals with the modulation of cell fate via PKA and cAMP synthesis 10514 S000002190 ORF Dubious YDL032W n.a. 4 393687 393998 W Hypothetical protein 10516 S000002191 ORF Uncharacterized YDL033C SLM3 4 393909 392656 C tRNA-specific 2-thiouridylase, responsible for 2-thiolation of the wobble base of mitochondrial tRNAs; human ortholog is implicated in myoclonus epilepsy associated with ragged red fibers (MERRF) 10518 S000002189 ORF Verified YDL031W DBP10 4 394214 397201 W Putative ATP-dependent RNA helicase of the DEAD-box protein family, constituent of 66S pre-ribosomal particles; essential protein involved in ribosome biogenesis 10520 S000002188 ORF Verified YDL030W PRP9 4 397534 399126 W Subunit of the SF3a splicing factor complex, required for spliceosome assembly; acts after the formation of the U1 snRNP-pre-mRNA complex 10522 S000002187 ORF Verified YDL029W ARP2 4 399337 400635 W Essential component of the Arp2/3 complex, which is a highly conserved actin nucleation center required for the motility and integrity of actin patches; involved in endocytosis and membrane growth and polarity 10525 S000032600 intron n.a. n.a. n.a. 4 399359 399481 W n.a. 10526 S000002186 ORF Verified YDL028C MPS1 4 403288 400994 C Dual-specificity kinase required for spindle pole body (SPB) duplication and spindle checkpoint function; substrates include SPB proteins Spc42p, Spc110p, and Spc98p, mitotic exit network protein Mob1p, and checkpoint protein Mad1p 10528 S000002184 ORF Dubious YDL026W n.a. 4 404746 405057 W Hypothetical protein 10530 S000002185 ORF Uncharacterized YDL027C n.a. 4 404954 403692 C Hypothetical protein 10532 S000028610 ORF Dubious YDL025W-A n.a. 4 405407 405511 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 10534 S000002183 ORF Uncharacterized YDL025C n.a. 4 407203 405341 C Protein of unknown function, potentially phosphorylated by Cdc28p 10536 S000002182 ORF Verified YDL024C DIA3 4 409854 408448 C Protein of unknown function, involved in invasive and pseudohyphal growth 10538 S000028537 ORF Dubious YDL022C-A n.a. 4 410053 409805 C Identified by fungal homology and RT-PCR 10540 S000006510 tRNA n.a. tA(AGC)D n.a. 4 410376 410448 W tRNA-Ala 10542 S000002180 ORF Verified YDL022W GPD1 4 411822 412997 W NAD-dependent glycerol-3-phosphate dehydrogenase, key enzyme of glycerol synthesis, essential for growth under osmotic stress; expression regulated by high-osmolarity glycerol response pathway; homolog of Gpd2p 10544 S000002181 ORF Dubious YDL023C n.a. 4 412078 411758 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 80% of ORF overlaps the verified gene GPD1; deletion in cyr1 mutant results in loss of stress resistance 10546 S000002179 ORF Verified YDL021W GPM2 4 413950 414885 W Homolog of Gpm1p phosphoglycerate mutase which converts 3-phosphoglycerate to 2-phosphoglycerate in glycolysis; may be non-functional derivative of a gene duplication event 10548 S000002178 ORF Verified YDL020C RPN4 4 416705 415110 C Transcription factor that stimulates expression of proteasome genes; Rpn4p levels are in turn regulated by the 26S proteasome in a negative feedback control mechanism; RPN4 is transcriptionally regulated by various stress responses 10550 S000002177 ORF Verified YDL019C OSH2 4 421511 417660 C Member of an oxysterol-binding protein family with seven members in S. cerevisiae; family members have overlapping, redundant functions in sterol metabolism and collectively perform a function essential for viability 10552 S000002176 ORF Verified YDL018C ERP3 4 423507 422830 C Protein with similarity to Emp24p and Erv25p, member of the p24 family involved in ER to Golgi transport 10554 S000002175 ORF Verified YDL017W CDC7 4 424206 425729 W DDK (Dbf4-dependent kinase) catalytic subunit required for firing origins and replication fork progression in mitosis through phosphorylation of Mcm2-7p complexes and Cdc45p; kinase activity correlates with cyclical DBF4 expression 10556 S000002174 ORF Dubious YDL016C n.a. 4 425869 425567 C Protein required for cell viability 10558 S000002173 ORF Verified YDL015C TSC13 4 426931 425999 C Enoyl reductase that catalyzes the last step in each cycle of very long chain fatty acid elongation, localizes to the ER, highly enriched in a structure marking nuclear-vacuolar junctions, coimmunoprecipitates with elongases Fen1p and Sur4p 10560 S000002172 ORF Verified YDL014W NOP1 4 427361 428344 W Nucleolar protein, component of the small subunit processome complex, which is required for processing of pre-18S rRNA; has similarity to mammalian fibrillarin 10562 S000002171 ORF Verified YDL013W HEX3 4 429064 430923 W Ring finger protein involved in the DNA damage response with possible recombination role; genetically identified by synthetic lethality with SGS1 (DNA helicase) and TOP3 (DNA topoisomerase); sporulation role; interacts with Slx8p and Lin1p 10564 S000002170 ORF Uncharacterized YDL012C n.a. 4 431514 431105 C Plasma membrane protein of unknown function 10567 S000033171 intron n.a. n.a. n.a. 4 431469 431384 C n.a. 10568 S000002168 ORF Uncharacterized YDL010W n.a. 4 432327 433022 W Hypothetical protein 10570 S000002169 ORF Dubious YDL011C n.a. 4 432628 432305 C Hypothetical protein 10572 S000002167 ORF Dubious YDL009C n.a. 4 433245 432922 C Hypothetical protein 10574 S000002166 ORF Verified YDL008W APC11 4 433494 433991 W Catalytic core subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition 10576 S000006739 tRNA n.a. tT(AGU)D n.a. 4 434333 434261 C tRNA-Thr 10580 S000006721 tRNA n.a. tS(AGA)D1 n.a. 4 437769 437850 W tRNA-Ser 10582 S000002165 ORF Verified YDL007W RPT2 4 438044 439357 W One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; required for normal peptide hydrolysis by the core 20S particle 10584 S000002164 ORF Verified YDL006W PTC1 4 439906 440751 W Type 2C protein phosphatase (PP2C); inactivates the osmosensing MAPK cascade by dephosphorylating Hog1p; mutation delays mitochondrial inheritance; deletion reveals defects in precursor tRNA splicing, sporulation and cell separation 10586 S000002163 ORF Verified YDL005C MED2 4 442306 441011 C RNA Polymerase II transcriptional regulation mediator; Stoichiometric member of mediator complex 10588 S000002162 ORF Verified YDL004W ATP16 4 443026 443508 W Delta subunit of the central stalk of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 10590 S000002161 ORF Verified YDL003W MCD1 4 444680 446380 W Essential protein required for sister chromatid cohesion in mitosis and meiosis; subunit of the cohesin complex; expression is cell cycle regulated and peaks in S phase 10592 S000002160 ORF Verified YDL002C NHP10 4 447575 446964 C Protein related to mammalian high mobility group proteins; likely component of the INO80 complex, which is an ATP-dependent chromatin-remodeling complex 10594 S000002159 ORF Verified YDL001W RMD1 4 447981 449273 W Cytoplasmic protein required for sporulation 10600 S000002408 ORF Verified YDR001C NTH1 4 452472 450217 C Neutral trehalase, degrades trehalose; required for thermotolerance and may mediate resistance to other cellular stresses; may be phosphorylated by Cdc28p 10602 S000002409 ORF Verified YDR002W YRB1 4 453042 453647 W Yeast Ran Binder #1; suppressor of FUS1; homolog of mouse HTF9a and human RanBP1; nuclear GTPase-activating protein for Ran 10604 S000002410 ORF Verified YDR003W RCR2 4 454119 454751 W Endoplasmic reticulum membrane protein with similarity to Rcr1p; C-terminal region can functionally replace the corresponding region of Rcr1p in conferring Congo Red resistance when overexpressed 10606 S000028819 ORF Uncharacterized YDR003W-A n.a. 4 454779 454901 W Identified by expression profiling and mass spectrometry 10608 S000002411 ORF Verified YDR004W RAD57 4 455198 456580 W Protein that stimulates strand exchange by stabilizing the binding of Rad51p to single-stranded DNA; involved in the recombinational repair of double-strand breaks in DNA during vegetative growth and meiosis; forms heterodimer with Rad55p 10610 S000002412 ORF Verified YDR005C MAF1 4 458100 456833 C Negative regulator of RNA polymerase III; component of several signaling pathways that repress polymerase III transcription in response to changes in cellular environment; targets the initiation factor TFIIIB 10613 S000034764 intron n.a. n.a. n.a. 4 458094 458015 C n.a. 10614 S000002413 ORF Verified YDR006C SOK1 4 461244 458539 C Protein whose overexpression suppresses the growth defect of mutants lacking protein kinase A activity; involved in cAMP-mediated signaling; localized to the nucleus; similar to the mouse testis-specific protein PBS13 10616 S000002414 ORF Verified YDR007W TRP1 4 461839 462513 W Phosphoribosylanthranilate isomerase that catalyzes the third step in tryptophan biosynthesis; in 2004, the sequence of TRP1 from strain S228C was updated by changing the previously annotated internal STOP (TAA) to serine (TCA) 10618 S000002415 ORF Dubious YDR008C n.a. 4 462599 462249 C Hypothetical protein 10620 S000002416 ORF Verified YDR009W GAL3 4 463431 464993 W Transcriptional regulator involved in activation of the GAL genes in response to galactose; forms a complex with Gal80p and Gal4p to relieve inhibition by Gal80p; binds galactose and ATP but does not have galactokinase activity 10622 S000002417 ORF Dubious YDR010C n.a. 4 465380 465048 C Hypothetical protein 10624 S000002418 ORF Verified YDR011W SNQ2 4 465916 470421 W ABC transporter protein involved in multidrug resistance and resistance to singlet oxygen species 10626 S000002419 ORF Verified YDR012W RPL4B 4 471850 472938 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl4Ap and has similarity to E. coli L4 and rat L4 ribosomal proteins 10628 S000002420 ORF Verified YDR013W PSF1 4 473154 473780 W Subunit of the GINS complex (Sld5p, Psf1p, Psf2p, Psf3p), which binds to DNA replication origins and facilitates assembly of the DNA replication machinery 10630 S000002421 ORF Verified YDR014W RAD61 4 474043 475986 W Protein of unknown function; mutation confers radiation sensitivity 10632 S000002422 ORF Dubious YDR015C n.a. 4 478195 477806 C Hypothetical protein 10634 S000002423 ORF Verified YDR016C DAD1 4 478754 478470 C Essential protein, component of the DASH complex, involved in spindle integrity and kinetochore function; interacts with Duo1p and Dam1p; localizes to intranuclear spindles and kinetochore 10636 S000002424 ORF Verified YDR017C KCS1 4 482263 479111 C Inositol hexaphosphate kinase, phosphorylates inositol hexakisphosphate (InsP6) to diphosphoinositol polyphosphates, required for proper vacuole morphology and involved in salt stress response, contains two leucine heptad repeats 10638 S000002425 ORF Uncharacterized YDR018C n.a. 4 483856 482666 C Hypothetical protein 10640 S000002426 ORF Verified YDR019C GCV1 4 485361 484159 C T subunit of the mitochondrial glycine decarboxylase complex, required for the catabolism of glycine to 5,10-methylene-THF; expression is regulated by levels of levels of 5,10-methylene-THF in the cytoplasm 10642 S000002427 ORF Uncharacterized YDR020C n.a. 4 486440 485742 C Hypothetical protein 10644 S000002428 ORF Verified YDR021W FAL1 4 486800 487999 W Nucleolar protein required for maturation of 18S rRNA, member of the eIF4A subfamily of DEAD-box ATP-dependent RNA helicases 10646 S000002429 ORF Verified YDR022C CIS1 4 488658 488068 C Protein of unknown function that may be involved in microtubule organization; high-copy suppressor of CIK1 deletion 10648 S000006770 tRNA n.a. tV(UAC)D n.a. 4 488866 488793 C tRNA-Val 10650 S000002430 ORF Verified YDR023W SES1 4 489504 490892 W Cytosolic seryl-tRNA synthetase, class II aminoacyl-tRNA synthetase that aminoacylates tRNA(Ser), displays tRNA-dependent amino acid recognition which enhances discrimination of the serine substrate, interacts with peroxin Pex21p 10652 S000002431 ORF Dubious YDR024W FYV1 4 491013 491498 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; mutation decreases survival upon exposure to K1 killer toxin 10654 S000002432 ORF Verified YDR025W RPS11A 4 491511 492320 W Protein component of the small (40S) ribosomal subunit; identical to Rps11Bp and has similarity to E. coli S17 and rat S11 ribosomal proteins 10657 S000033921 intron n.a. n.a. n.a. 4 491556 491894 W n.a. 10658 S000002433 ORF Uncharacterized YDR026C n.a. 4 494264 492552 C Hypothetical protein 10660 S000002434 ORF Verified YDR027C VPS54 4 497314 494645 C Component of the GARP (Golgi-associated retrograde protein) complex, Vps51p-Vps52p-Vps53p-Vps54p, which is required for the recycling of proteins from endosomes to the late Golgi; potentially phosphorylated by Cdc28p 10662 S000002435 ORF Verified YDR028C REG1 4 500875 497831 C Regulatory subunit of type 1 protein phosphatase Glc7p, involved in negative regulation of glucose-repressible genes; involved in RNA processing 10664 S000002436 ORF Dubious YDR029W n.a. 4 501096 501410 W Hypothetical protein 10666 S000002437 ORF Verified YDR030C RAD28 4 503269 501749 C Protein involved in transcription-coupled repair nucleotide excision repair of UV-induced DNA lesions; homolog of human CSA protein 10668 S000002438 ORF Uncharacterized YDR031W n.a. 4 503494 503859 W Hypothetical protein 10670 S000002439 ORF Verified YDR032C PST2 4 504691 504095 C Protein of unknown function with similarity to members of a family of flavodoxin-like proteins; induced by oxidative stress in a Yap1p dependent manner; GFP-fusion protein localizes to the cytoplasm in a punctate pattern 10672 S000002440 ORF Verified YDR033W MRH1 4 508143 509105 W Protein that localizes primarily to the plasma membrane, also found at the nuclear envelope; has similarity to Hsp30p and Yro2p, which are induced during heat shock 10674 S000002441 ORF Verified YDR034C LYS14 4 512105 509733 C Transcriptional activator involved in regulation of genes of the lysine biosynthesis pathway; requires 2-aminoadipate semialdehyde as co-inducer 10687 S000006649 tRNA n.a. tL(UAA)D n.a. 4 519739 519822 W tRNA-Leu 10691 S000007233 ORF Uncharacterized YDR034C-A n.a. 4 520688 520512 C Similar to probable membrane protein YLR334C and ORF YOL106W 10694 S000006693 tRNA n.a. tQ(UUG)D1 n.a. 4 520968 521039 W tRNA-Gln 10696 S000007234 ORF Uncharacterized YDR034W-B n.a. 4 521310 521465 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 10698 S000002442 ORF Verified YDR035W ARO3 4 521812 522924 W 3-deoxy-D-arabino-heptulosonate-7-phosphate (DAHP) synthase, catalyzes the first step in aromatic amino acid biosynthesis and is feedback-inhibited by phenylalanine 10700 S000002443 ORF Verified YDR036C EHD3 4 524709 523207 C Protein of unconfirmed function, plays an indirect role in endocytic membrane trafficking, member of a family of enoyl-CoA hydratase/isomerases 10702 S000002444 ORF Verified YDR037W KRS1 4 525436 527211 W Lysyl-tRNA synthetase; also identified as a negative regulator of general control of amino acid biosynthesis 10704 S000002445 ORF Verified YDR038C ENA5 4 530693 527418 C Protein with similarity to P-type ATPase sodium pumps 10706 S000002446 ORF Verified YDR039C ENA2 4 534578 531303 C P-type ATPase sodium pump, involved in Na+ efflux to allow salt tolerance; likely not involved in Li+ efflux 10708 S000002447 ORF Verified YDR040C ENA1 4 538463 535188 C P-type ATPase sodium pump, involved in Na+ and Li+ efflux to allow salt tolerance 10710 S000002448 ORF Verified YDR041W RSM10 4 539799 540410 W Mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S10 ribosomal protein; essential for viability, unlike most other mitoribosomal proteins 10712 S000002449 ORF Uncharacterized YDR042C n.a. 4 541199 540597 C Hypothetical protein 10714 S000006507 snoRNA n.a. snR47 SNR47 4 541741 541643 C small nucleolar RNA snR47 10716 S000002450 ORF Verified YDR043C NRG1 4 543366 542671 C Transcriptional repressor that recruits the Cyc8p-Tup1p complex to promoters; mediates glucose repression and negatively regulates a variety of processes including filamentous growth and alkaline pH response 10718 S000002451 ORF Verified YDR044W HEM13 4 546639 547625 W Coproporphyrinogen III oxidase, an oxygen requiring enzyme that catalyzes the sixth step in the heme biosynthetic pathway; localizes to the mitochondrial inner membrane; transcription is repressed by oxygen and heme (via Rox1p and Hap1p) 10720 S000002452 ORF Verified YDR045C RPC11 4 548307 547975 C RNA polymerase III subunit C11; mediates pol III RNA cleavage activity and is important for termination of transcription 10722 S000002453 ORF Verified YDR046C BAP3 4 550573 548759 C Amino acid permease involved in the uptake of cysteine, leucine, isoleucine and valine 10724 S000002454 ORF Verified YDR047W HEM12 4 551857 552945 W Uroporphyrinogen decarboxylase, catalyzes the fifth step in the heme biosynthetic pathway; localizes to both the cytoplasm and nucleus; activity inhibited by Cu2+, Zn2+, Fe2+, Fe3+ and sulfhydryl-specific reagents 10726 S000002456 ORF Uncharacterized YDR049W n.a. 4 553251 555149 W Hypothetical protein 10728 S000002455 ORF Dubious YDR048C n.a. 4 553395 553081 C Hypothetical protein 10730 S000002457 ORF Verified YDR050C TPI1 4 556469 555723 C Triose phosphate isomerase, abundant glycolytic enzyme; mRNA half-life is regulated by iron availability; transcription is controlled by activators Reb1p, Gcr1p, and Rap1p through binding sites in the 5' non-coding region 10732 S000002458 ORF Uncharacterized YDR051C n.a. 4 558057 557053 C Hypothetical protein 10734 S000002460 ORF Dubious YDR053W n.a. 4 560246 560641 W Protein required for cell viability 10736 S000002459 ORF Verified YDR052C DBF4 4 560622 558508 C Regulatory subunit of Cdc7p-Dbf4p kinase complex, required for Cdc7p kinase activity and initiation of DNA replication; phosphorylates the Mcm2-7 family of proteins; cell cycle regulated 10738 S000002461 ORF Verified YDR054C CDC34 4 562324 561437 C Ubiquitin-conjugating enzyme or E2; together with Skp1p, Rbx1p, Cdc53p, and an F-box protein, forms a ubiquitin-protein ligase called the SCF complex which regulates cell cycle progression by targeting key substrates for degradation 10740 S000002462 ORF Verified YDR055W PST1 4 563524 564858 W Cell wall protein that contains a putative GPI-attachment site; secreted by regenerating protoplasts; up-regulated by activation of the cell integrity pathway, as mediated by Rlm1p; upregulated by cell wall damage via disruption of FKS1 10742 S000002463 ORF Uncharacterized YDR056C n.a. 4 565637 565020 C Hypothetical protein 10744 S000002464 ORF Verified YDR057W YOS9 4 565924 567552 W Glycoprotein of the ER membrane, involved in ER-to-Golgi transport of glycosylphosphatidylinositol (GPI)-anchored proteins 10746 S000002465 ORF Verified YDR058C TGL2 4 568700 567720 C Protein with lipolytic activity towards triacylglycerols and diacylglycerols when expressed in E. coli; role in yeast lipid degradation is unclear 10748 S000006709 tRNA n.a. tR(UCU)D n.a. 4 568879 568950 W tRNA-Arg 10750 S000006531 tRNA n.a. tD(GUC)D n.a. 4 568961 569032 W tRNA-Asp 10752 S000002466 ORF Verified YDR059C UBC5 4 569767 569231 C Ubiquitin-conjugating enzyme that mediates selective degradation of short-lived and abnormal proteins, central component of the cellular stress response; expression is heat inducible 10755 S000031455 intron n.a. n.a. n.a. 4 569720 569631 C n.a. 10756 S000002467 ORF Verified YDR060W MAK21 4 570645 573722 W Constituent of 66S pre-ribosomal particles, required for large (60S) ribosomal subunit biogenesis; involved in nuclear export of pre-ribosomes; required for maintenance of dsRNA virus; homolog of human CAATT-binding protein 10758 S000002468 ORF Uncharacterized YDR061W n.a. 4 574160 575779 W Mitochondrial protein, member of the ATP-binding cassette (ABC) transporter family; transcriptionally activated by Yrm1p along with genes involved in multidrug resistance 10760 S000002469 ORF Verified YDR062W LCB2 4 576470 578155 W Component of serine palmitoyltransferase, responsible along with Lcb1p for the first committed step in sphingolipid synthesis, which is the condensation of serine with palmitoyl-CoA to form 3-ketosphinganine 10762 S000002470 ORF Uncharacterized YDR063W n.a. 4 578660 579109 W Hypothetical protein 10764 S000002471 ORF Verified YDR064W RPS13 4 579455 580449 W Protein component of the small (40S) ribosomal subunit; has similarity to E. coli S15 and rat S13 ribosomal proteins 10767 S000032958 intron n.a. n.a. n.a. 4 579476 580014 W n.a. 10768 S000002472 ORF Uncharacterized YDR065W n.a. 4 580684 581781 W Hypothetical protein 10770 S000002473 ORF Uncharacterized YDR066C n.a. 4 582495 581905 C Hypothetical protein 10772 S000002474 ORF Uncharacterized YDR067C n.a. 4 583462 582788 C Cytoplasmic protein required for replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 10774 S000002475 ORF Verified YDR068W DOS2 4 583710 584642 W Protein of unknown function, green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm 10776 S000002476 ORF Verified YDR069C DOA4 4 587716 584936 C Ubiquitin hydrolase, required for recycling ubiquitin from proteasome-bound ubiquitinated intermediates, acts at the late endosome/prevacuolar compartment to recover ubiquitin from ubiquitinated membrane proteins en route to the vacuole 10778 S000002477 ORF Uncharacterized YDR070C n.a. 4 588376 588095 C The authentic, non-tagged protein was localized to the mitochondria 10780 S000002478 ORF Verified YDR071C PAA1 4 589399 588824 C Polyamine acetyltransferase; acetylates polyamines such as putrescine, spermidine and spermine; may be involved in transcription and/or DNA replication via regulation of levels of polyamines bound to chromosomal DNA 10782 S000002479 ORF Verified YDR072C IPT1 4 591341 589758 C Inositolphosphotransferase 1, involved in synthesis of mannose-(inositol-P)2-ceramide (M(IP)2C), which is the most abundant sphingolipid in cells, mutation confers resistance to the antifungals syringomycin E and DmAMP1 in some growth media 10784 S000002480 ORF Verified YDR073W SNF11 4 592435 592944 W One of 11 subunits of the SWI/SNF chromatin remodeling complex involved in transcriptional regulation; interacts with a highly conserved 40-residue sequence of Snf2p 10786 S000002481 ORF Verified YDR074W TPS2 4 593889 596579 W Phosphatase subunit of the trehalose-6-phosphate synthase/phosphatase complex, which synthesizes the storage carbohydrate trehalose; expression is induced by stress conditions and repressed by the Ras-cAMP pathway 10788 S000002482 ORF Verified YDR075W PPH3 4 597152 598078 W Catalytic subunit of protein phosphatase; involved in activation of Gln3p, which is a transcription factor with a role in nitrogen utilization 10790 S000002483 ORF Verified YDR076W RAD55 4 598464 599684 W Protein that stimulates strand exchange by stabilizing the binding of Rad51p to single-stranded DNA; involved in the recombinational repair of double-strand breaks in DNA during vegetative growth and meiosis; forms heterodimer with Rad57p 10792 S000002484 ORF Verified YDR077W SED1 4 600789 601805 W Major stress-induced structural GPI-cell wall glycoprotein in stationary-phase cells, associates with translating ribosomes, possible role in mitochondrial genome maintenance; ORF contains two distinct variable minisatellites 10794 S000002485 ORF Uncharacterized YDR078C SHU2 4 602865 602194 C Protein of unassigned function involved in mutation suppression, important for error-free repair of spontaneous and induced DNA lesions to protect the genome from mutation; associates with Shu1p, Psy3p, and Csm2p 10796 S000002486 ORF Verified YDR079W PET100 4 603060 603395 W Chaperone that specifically facilitates the assembly of cytochrome c oxidase, located in the mitochondrial inner membrane 10798 S000007603 ORF Verified YDR079C-A TFB5 4 603807 603589 C Component of the RNA polymerase II general transcription and DNA repair factor TFIIH; involved in transcription initiation; homolog of the Chlamydomonas reinhardtii REX1-S protein which is involved in DNA repair 10800 S000002487 ORF Verified YDR080W VPS41 4 604004 606982 W Vacuolar membrane protein that is a subunit of the homotypic vacuole fusion and vacuole protein sorting (HOPS) complex; essential for membrane docking and fusion at the Golgi-to-endosome and endosome-to-vacuole stages of protein transport 10802 S000002488 ORF Verified YDR081C PDC2 4 610077 607300 C Transcription factor required for the synthesis of the glycolytic enzyme pyruvate decarboxylase, required for high level expression of both the THI and the PDC genes 10804 S000002489 ORF Verified YDR082W STN1 4 610437 611921 W Telomere end-binding and capping protein, plays a key role with Pol12p in linking telomerase action with completion of lagging strand synthesis, and in a regulatory step required for telomere capping 10806 S000002490 ORF Verified YDR083W RRP8 4 612069 613220 W Protein involved in rRNA processing; involved in pre-rRNA cleavage at site A2; mutation is synthetically lethal with a gar1 mutation 10808 S000002491 ORF Uncharacterized YDR084C n.a. 4 613999 613400 C Integral membrane protein localized to vesicles along with the v-SNARE Tlg2p; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 10810 S000002492 ORF Verified YDR085C AFR1 4 616145 614283 C Alpha-factor pheromone receptor regulator, negatively regulates pheromone receptor signaling; required for normal mating projection (shmoo) formation; interacts with Cdc12p 10812 S000002493 ORF Verified YDR086C SSS1 4 617165 616923 C Subunit of the Sec61p translocation complex (Sec61p-Sss1p-Sbh1p) that forms a channel for passage of secretory proteins through the endoplasmic reticulum membrane, and of the Ssh1p complex (Ssh1p-Sbh2p-Sss1p); interacts with Ost4p and Wbp1p 10814 S000002494 ORF Verified YDR087C RRP1 4 618301 617465 C Essential evolutionarily conserved nucleolar protein necessary for biogenesis of 60S ribosomal subunits and processing of pre-rRNAs to mature rRNAs, associated with several distinct 66S pre-ribosomal particles 10816 S000002495 ORF Verified YDR088C SLU7 4 619640 618492 C Protein involved in 3' splice site choices, acts in concert with Prp18p during the 2nd step of splicing 10818 S000006700 tRNA n.a. tR(ACG)D n.a. 4 620036 619964 C tRNA-Arg 10820 S000002496 ORF Uncharacterized YDR089W n.a. 4 622107 624716 W Hypothetical protein 10822 S000002497 ORF Uncharacterized YDR090C n.a. 4 625993 625061 C Hypothetical protein 10824 S000002498 ORF Verified YDR091C RLI1 4 628529 626703 C Essential iron-sulfur protein required for ribosome biogenesis and translation initiation; facilitates binding of a multifactor complex (MFC) of translation initiation factors to the small ribosomal subunit; predicted ABC family ATPase 10826 S000002499 ORF Verified YDR092W UBC13 4 629871 630600 W Ubiquitin-conjugating enzyme involved in the error-free DNA postreplication repair pathway; interacts with Mms2p to assemble ubiquitin chains at the Ub Lys-63 residue; DNA damage triggers redistribution from the cytoplasm to the nucleus 10829 S000035562 intron n.a. n.a. n.a. 4 629901 630168 W n.a. 10830 S000002500 ORF Verified YDR093W DNF2 4 631277 636115 W Non-essential P-type ATPase that is a potential aminophospholipid translocase, localizes to the plasma membrane and late exocytic or early endocytic membranes, likely involved in protein transport; potential Cdc28p substrate 10832 S000002501 ORF Dubious YDR094W n.a. 4 635835 636170 W Hypothetical protein 10834 S000002502 ORF Dubious YDR095C n.a. 4 636522 636112 C Hypothetical protein 10836 S000002503 ORF Verified YDR096W GIS1 4 637134 639818 W Transcriptional factor, involved in the expression of genes during nutrient limitation; also involved in the negative regulation of DPP1 and PHR1 10838 S000002504 ORF Verified YDR097C MSH6 4 643832 640104 C Protein required for mismatch repair in mitosis and meiosis, forms a complex with Msh2p to repair both single-base & insertion-deletion mispairs; potentially phosphorylated by Cdc28p 10840 S000002505 ORF Verified YDR098C GRX3 4 645030 644173 C Hydroperoxide and superoxide-radical responsive glutathione-dependent oxidoreductase; monothiol glutaredoxin subfamily member along with Grx4p and Grx5p; protects cells from oxidative damage 10842 S000006694 tRNA n.a. tQ(UUG)D2 n.a. 4 645219 645148 C tRNA-Gln 10855 S000002506 ORF Verified YDR099W BMH2 4 653602 654423 W 14-3-3 protein, minor isoform; binds proteins and DNA, involved in regulation of many processes including exocytosis and vesicle transport, Ras/MAPK signaling during pseudohyphal development, rapamycin-sensitive signaling, and others 10857 S000002507 ORF Uncharacterized YDR100W n.a. 4 655008 655439 W Tlg2-Vesicle Protein of 15 kDa; integral membrane vesicle protein 10859 S000002508 ORF Verified YDR101C ARX1 4 657462 655681 C Protein associated with the ribosomal export complex 10861 S000002509 ORF Dubious YDR102C n.a. 4 657975 657643 C Hypothetical protein 10863 S000002510 ORF Verified YDR103W STE5 4 658345 661098 W Scaffold protein that, in response to pheromone, shuttles from the nucleus to the plasma membrane and assembles kinases Ste11p, Ste7p, and Fus3p into a specific signaling complex; active oligomeric form interacts with Ste4p-Ste18p complex 10865 S000002511 ORF Verified YDR104C SPO71 4 664905 661168 C Meiosis-specific protein of unknown function, required for spore wall formation during sporulation; dispensable for both nuclear divisions during meiosis 10867 S000002512 ORF Verified YDR105C TMS1 4 666765 665344 C Vacuolar membrane protein of unknown function that is conserved in mammals; predicted to contain eleven transmembrane helices; interacts with Pdr5p, a protein involved in multidrug resistance 10869 S000002513 ORF Verified YDR106W ARP10 4 666999 667853 W Actin-related protein 10871 S000006601 tRNA n.a. tI(AAU)D n.a. 4 668075 668002 C tRNA-Ile 10875 S000002514 ORF Uncharacterized YDR107C n.a. 4 671029 669011 C multispanning membrane protein 10877 S000002515 ORF Verified YDR108W GSG1 4 671264 673360 W Subunit of TRAPP (transport protein particle), a multi-subunit complex involved in targeting and/or fusion of ER-to-Golgi transport vesicles with their acceptor compartment; protein has late meiotic role, following DNA replication 10879 S000002516 ORF Uncharacterized YDR109C n.a. 4 675662 673515 C Hypothetical protein 10881 S000002517 ORF Verified YDR110W FOB1 4 676097 677797 W Nucleolar protein required for DNA replication fork blocking and recombinational hotspot activities; binds to the replication fork barrier site in the rDNA region; related to retroviral integrases 10883 S000002519 ORF Dubious YDR112W n.a. 4 679539 679847 W Hypothetical protein 10885 S000002518 ORF Uncharacterized YDR111C n.a. 4 679759 678236 C Putative alanine transaminase (glutamic pyruvic transaminase) 10887 S000002520 ORF Verified YDR113C PDS1 4 681612 680491 C Securin that inhibits anaphase by binding separin Esp1p, also blocks cyclin destruction and mitotic exit, essential for cell cycle arrest in mitosis in the presence of DNA damage or aberrant mitotic spindles; also present in meiotic nuclei 10889 S000002522 ORF Verified YDR115W n.a. 4 682170 682487 W Putative mitochondrial ribosomal protein of the large subunit, has similarity to E. coli L34 ribosomal protein; required for respiratory growth, as are most mitochondrial ribosomal proteins 10891 S000002521 ORF Dubious YDR114C n.a. 4 682221 681919 C Hypothetical protein 10893 S000002523 ORF Verified YDR116C MRPL1 4 683576 682719 C Mitochondrial ribosomal protein of the large subunit 10895 S000002524 ORF Uncharacterized YDR117C n.a. 4 685638 683941 C Hypothetical protein 10897 S000002525 ORF Verified YDR118W APC4 4 685877 687835 W Subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition 10899 S000028820 ORF Dubious YDR118W-A n.a. 4 687763 687879 W Identified by expression profiling and mass spectrometry 10901 S000002526 ORF Uncharacterized YDR119W n.a. 4 688222 690528 W Hypothetical protein 10903 S000002527 ORF Verified YDR120C TRM1 4 693256 691544 C tRNA methyltransferase, localizes to both the nucleus and mitochondrion to produce the modified base N2,N2-dimethylguanosine in tRNAs in both compartments 10905 S000002528 ORF Verified YDR121W DPB4 4 693580 694170 W Shared subunit of DNA polymerase epsilon and of ISW2/yCHRAC chromatin accessibility complex; involved in both chromosomal DNA replication and in inheritance of telomeric silencing 10907 S000002529 ORF Verified YDR122W KIN1 4 694695 697889 W Serine/threonine protein kinase involved in regulation of exocytosis; localizes to the cytoplasmic face of the plasma membrane; closely related to Kin2p 10909 S000002530 ORF Verified YDR123C INO2 4 699463 698549 C Component of the heteromeric Ino2p/Ino4p basic helix-loop-helix transcription activator that binds inositol/choline-responsive elements (ICREs), required for derepression of phospholipid biosynthetic genes in response to inositol depletion 10911 S000002531 ORF Uncharacterized YDR124W n.a. 4 700310 701284 W Hypothetical protein 10913 S000002532 ORF Verified YDR125C ECM18 4 702753 701392 C Protein of unknown function, similar to Rlp24p 10915 S000002533 ORF Verified YDR126W SWF1 4 703229 704239 W Protein essential for spore wall formation 10917 S000002534 ORF Verified YDR127W ARO1 4 704479 709245 W Pentafunctional arom protein, catalyzes steps 2 through 6 in the biosynthesis of chorismate, which is a precursor to aromatic amino acids 10919 S000002535 ORF Uncharacterized YDR128W n.a. 4 709544 712990 W Hypothetical protein 10921 S000002536 ORF Verified YDR129C SAC6 4 715374 713335 C Fimbrin, actin-bundling protein; cooperates with Scp1p (calponin/transgelin) in the organization and maintenance of the actin cytoskeleton 10924 S000030259 intron n.a. n.a. n.a. 4 715353 715243 C n.a. 10925 S000002537 ORF Verified YDR130C FIN1 4 716617 715742 C Basic protein with putative coiled-coil regions that comprises a filament between spindle pole bodies; self-assembles into filaments with a diameter of approximately 10 nm; potential Cdc28p substrate 10927 S000002538 ORF Uncharacterized YDR131C n.a. 4 718455 716785 C Hypothetical protein 10929 S000002539 ORF Uncharacterized YDR132C n.a. 4 720298 718811 C Hypothetical protein 10931 S000002540 ORF Dubious YDR133C n.a. 4 721292 720957 C Hypothetical protein 10935 S000002542 ORF Verified YDR135C YCF1 4 727546 722999 C Vacuolar glutathione S-conjugate transporter of the ATP-binding cassette family, has a role in detoxifying metals such as cadmium, mercury, and arsenite; also transports unconjugated bilirubin; similar to human cystic fibrosis protein CFTR 10937 S000002544 ORF Verified YDR137W RGP1 4 728254 730245 W Subunit of a Golgi membrane exchange factor (Ric1p-Rgp1p) that catalyzes nucleotide exchange on Ypt6p 10939 S000002543 ORF Dubious YDR136C VPS61 4 728278 727706 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 4% of ORF overlaps the verified gene RGP1; deletion causes a vacuolar protein sorting defect 10941 S000002545 ORF Verified YDR138W HPR1 4 730573 732831 W Subunit of THO/TREX, related complexes that couple transcription elongation with mitotic recombination and elongation with mRNA metabolism and export, subunit of an RNA Pol II complex; regulates lifespan; similar to Top1p 10943 S000002546 ORF Verified YDR139C RUB1 4 733919 733613 C Ubiquitin-like protein with similarity to mammalian NEDD8; conjugation (neddylation) substrates include the cullins Cdc53p, Rtt101p, and Cul3p; activated by Ula1p and Uba3p (E1 enzyme pair); conjugation mediated by Ubc12p (E2 enzyme) 10946 S000033099 intron n.a. n.a. n.a. 4 733770 733698 C n.a. 10947 S000002547 ORF Uncharacterized YDR140W n.a. 4 734133 734798 W Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family; methylates release factor eRF1 (Sup45p) in vitro 10949 S000002548 ORF Verified YDR141C DOP1 4 739992 734896 C Protein of unknown function, essential for viability, involved in establishing cellular polarity and morphogenesis; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 10951 S000002549 ORF Verified YDR142C PEX7 4 741595 740468 C Peroxisomal signal receptor for the N-terminal nonapeptide signal (PTS2) of peroxisomal matrix proteins; WD repeat protein; defects in human homolog cause lethal rhizomelic chondrodysplasia punctata (RCDP) 10953 S000002550 ORF Verified YDR143C SAN1 4 743869 742037 C Ubiquitin-protein ligase, controls turnover of a specific class of unstable nuclear proteins including Sir4p but not Sir2p or Sir3p; san1 mutations suppress sir4, spt16, and cdc68 mutations, suggesting a role in chromatin silencing 10955 S000002551 ORF Verified YDR144C MKC7 4 746096 744306 C GPI-anchored aspartyl protease (yapsin) involved in protein processing; shares functions with Yap3p and Kex2p 10957 S000002552 ORF Verified YDR145W TAF12 4 746733 748352 W Subunit (61/68 kDa) of TFIID and SAGA complexes, involved in RNA polymerase II transcription initiation and in chromatin modification, similar to histone H2A 10959 S000002553 ORF Verified YDR146C SWI5 4 750737 748608 C Transcription factor that activates transcription of genes expressed in G1 phase and at the G1/M boundary; localization to the nucleus occurs during G1 and appears to be regulated by phosphorylation by Cdc28p kinase 10961 S000002554 ORF Verified YDR147W EKI1 4 751626 753230 W Ethanolamine kinase, primarily responsible for phosphatidylethanolamine synthesis via the CDP-ethanolamine pathway; also exhibits choline kinase activity 10963 S000002555 ORF Verified YDR148C KGD2 4 755061 753670 C Dihydrolipoyl transsuccinylase, a component of the mitochondrial alpha-ketoglutarate dehydrogenase complex, which catalyzes a step in the tricarboxylic acid (TCA) cycle, the oxidative decarboxylation of alpha-ketoglutarate to succinyl-CoA 10965 S000002557 ORF Verified YDR150W NUM1 4 755623 763869 W Protein required for nuclear migration, localizes to the mother cell cortex and the bud tip; may mediate interactions of dynein and cytoplasmic microtubules with the cell cortex 10967 S000002556 ORF Dubious YDR149C n.a. 4 756257 755550 C Hypothetical protein 10969 S000002558 ORF Verified YDR151C CTH1 4 765150 764173 C Member of the CCCH zinc finger family; has similarity to mammalian Tis11 protein, which activates transcription and also has a role in mRNA degradation; may function with Tis11p in iron homeostasis 10971 S000002559 ORF Verified YDR152W GIR2 4 765701 766498 W Highly-acidic cytoplasmic RWD domain-containing protein of unknown function, sensitive to proteolysis, N-terminal region has high content of acidic amino acid residues, putative IUP (intrinsically unstructured protein) 10973 S000002560 ORF Verified YDR153C ENT5 4 767966 766731 C Protein containing an N-terminal epsin-like domain involved in clathrin recruitment and traffic between the Golgi and endosomes; associates with the clathrin adaptor Gga2p, clathrin adaptor complex AP-1, and clathrin 10975 S000002561 ORF Dubious YDR154C n.a. 4 768748 768398 C Hypothetical protein 10977 S000002562 ORF Verified YDR155C CPR1 4 768995 768507 C Cytoplasmic peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; binds the drug cyclosporin A 10979 S000002563 ORF Verified YDR156W RPA14 4 769520 769933 W RNA polymerase I subunit A14 10981 S000002564 ORF Dubious YDR157W n.a. 4 769926 770327 W Hypothetical protein 10983 S000002565 ORF Verified YDR158W HOM2 4 770352 771449 W Aspartic beta semi-aldehyde dehydrogenase, catalyzes the second step in the common pathway for methionine and threonine biosynthesis; expression regulated by Gcn4p and the general control of amino acid synthesis 10985 S000002566 ORF Verified YDR159W SAC3 4 771872 775777 W Nuclear pore-associated protein, forms a complex with Thp1p that is involved in transcription and in mRNA export from the nucleus 10987 S000002567 ORF Verified YDR160W SSY1 4 776158 778716 W Component of the SPS plasma membrane amino acid sensor system (Ssy1p-Ptr3p-Ssy5p), which senses external amino acid concentration and transmits intracellular signals that result in regulation of expression of amino acid permease genes 10989 S000002568 ORF Uncharacterized YDR161W n.a. 4 779038 780201 W interacts with PP2C 10991 S000002569 ORF Verified YDR162C NBP2 4 781095 780385 C Protein involved in the HOG (high osmolarity glycerol) pathway, negatively regulates Hog1p by recruitment of phosphatase Ptc1p the Pbs2p-Hog1p complex, found in the nucleus and cytoplasm, contains an SH3 domain that binds Pbs2p 10993 S000002570 ORF Verified YDR163W CWC15 4 781418 781945 W Non-essential protein involved in pre-mRNA splicing, component of a complex containing Cef1p; has similarity to S. pombe Cwf15p 10995 S000002571 ORF Verified YDR164C SEC1 4 784210 782036 C Sm-like protein involved in docking and fusion of exocytic vesicles through binding to assembled SNARE complexes at the membrane; localization to sites of secretion (bud neck and bud tip) is dependent on SNARE function 10997 S000002572 ORF Verified YDR165W TRM82 4 784866 786200 W Subunit of a tRNA methyltransferase complex composed of Trm8p and Trm82p that catalyzes 7-methylguanosine modification of tRNA 10999 S000002573 ORF Verified YDR166C SEC5 4 789216 786301 C Essential 107kDa subunit of the exocyst complex (Sec3p, Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p), which has the essential function of mediating polarized targeting of secretory vesicles to active sites of exocytosis 11001 S000002574 ORF Verified YDR167W TAF10 4 789444 790064 W Subunit (145 kDa) of TFIID and SAGA complexes, involved in RNA polymerase II transcription initiation and in chromatin modification 11003 S000002575 ORF Verified YDR168W CDC37 4 790323 791843 W Essential Hsp90p co-chaperone; necessary for passage through the START phase of the cell cycle 11005 S000002576 ORF Verified YDR169C STB3 4 793884 792343 C Protein that binds Sin3p in a two-hybrid assay 11007 S000028538 ORF Uncharacterized YDR169C-A n.a. 4 794718 794569 C Identified by fungal homology and RT-PCR 11009 S000002577 ORF Verified YDR170C SEC7 4 802217 796188 C Guanine nucleotide exchange factor (GEF) for ADP ribosylation factors involved in proliferation of the Golgi, intra-Golgi transport and ER-to-Golgi transport; found in the cytoplasm and on Golgi-associated coated vesicles 11011 S000006695 tRNA n.a. tQ(UUG)D3 n.a. 4 802797 802726 C tRNA-Gln 11016 S000002578 ORF Verified YDR171W HSP42 4 806616 807743 W Small cytosolic stress-induced chaperone that forms barrel-shaped oligomers and suppresses the aggregation of non-native proteins; oligomer dissociation is not required for function; involved in cytoskeleton reorganization after heat shock 11018 S000002579 ORF Verified YDR172W SUP35 4 808319 810376 W Translation termination factor eRF3; altered protein conformation creates the [PSI(+)] prion, a dominant cytoplasmically inherited protein aggregate that alters translational fidelity and creates a nonsense suppressor phenotype 11020 S000002580 ORF Verified YDR173C ARG82 4 811627 810560 C Protein involved in regulation of arginine-responsive and Mcm1p-dependent genes; has a dual-specificity inositol polyphosphate kinase activity required for regulation of phosphate- and nitrogen-responsive genes 11022 S000002581 ORF Verified YDR174W HMO1 4 812105 812845 W Chromatin associated high mobility group (HMG) family member involved in genome maintenance; rDNA-binding component of the Pol I transcription system; associates with a 5'-3' DNA helicase and Fpr1p, a prolyl isomerase 11024 S000002582 ORF Verified YDR175C RSM24 4 814147 813188 C Mitochondrial ribosomal protein of the small subunit 11026 S000002583 ORF Verified YDR176W NGG1 4 814447 816555 W Transcriptional regulator involved in glucose repression of Gal4p-regulated genes; component of transcriptional adaptor and histone acetyltransferase complexes, the ADA complex, the SAGA complex, and the SLIK complex 11028 S000002584 ORF Verified YDR177W UBC1 4 816873 817520 W Ubiquitin-conjugating enzyme that mediates selective degradation of short-lived and abnormal proteins; plays a role in vesicle biogenesis and ER-associated protein degradation (ERAD); component of the cellular stress response 11030 S000002585 ORF Verified YDR178W SDH4 4 817945 818490 W Membrane anchor subunit of succinate dehydrogenase (Sdh1p, Sdh2p, Sdh3p, Sdh4p), which couples the oxidation of succinate to the transfer of electrons to ubiquinone 11032 S000002586 ORF Verified YDR179C CSN9 4 819191 818703 C Subunit of the Cop9 signalosome, which is required for deneddylation, or removal of the ubiquitin-like protein Rub1p from Cdc53p (cullin); involved in adaptation to pheromone signaling 11034 S000002587 ORF Uncharacterized YDR179W-A n.a. 4 819428 820819 W Hypothetical protein 11036 S000002588 ORF Verified YDR180W SCC2 4 821290 825771 W Putative protein kinase and subunit of cohesin loading factor (Scc2p-Scc4p), a complex required for the loading of cohesin complexes onto chromosomes; involved in establishing sister chromatid cohesion during DSB repair via histone H2AX 11038 S000002589 ORF Verified YDR181C SAS4 4 827350 825905 C Subunit of the SAS complex (Sas2p, Sas4p, Sas5p), which acetylates free histones and nucleosomes and regulates transcriptional silencing; required for the HAT activity of Sas2p 11040 S000002590 ORF Verified YDR182W CDC1 4 827577 829052 W Putative membrane protein of unknown function involved in Mn2+ homeostasis; mutants display actin and general growth defects, heterogeneous cell cycle arrests, and pleiotropic defects in cell cycle progression and organelle distribution 11042 S000028539 ORF Uncharacterized YDR182W-A n.a. 4 829146 829349 W Identified by fungal homology and RT-PCR 11044 S000002591 ORF Verified YDR183W PLP1 4 829580 830272 W Protein with a possible role in folding of beta-tubulin; has similarity to phosducins, which are GTPase inhibitors 11046 S000028540 ORF Dubious YDR183C-A n.a. 4 830649 830392 C Identified by fungal homology and RT-PCR 11048 S000002592 ORF Verified YDR184C ATC1 4 831508 830624 C Nuclear protein, possibly involved in regulation of cation stress responses and/or in the establishment of bipolar budding pattern 11050 S000002593 ORF Uncharacterized YDR185C n.a. 4 832468 831929 C Hypothetical protein 11052 S000002594 ORF Uncharacterized YDR186C n.a. 4 835487 832854 C Hypothetical protein 11054 S000002596 ORF Verified YDR188W CCT6 4 836416 838056 W Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, essential protein that is required for the assembly of actin and tubulins in vivo; contains an ATP-binding motif 11056 S000002595 ORF Dubious YDR187C n.a. 4 836741 836223 C Protein required for cell viability 11058 S000002597 ORF Verified YDR189W SLY1 4 838387 840387 W Hydrophilic protein involved in vesicle trafficking between the ER and Golgi; SM (Sec1/Munc-18) family protein that binds the tSNARE Sed5p and stimulates its assembly into a trans-SNARE membrane-protein complex 11060 S000002598 ORF Verified YDR190C RVB1 4 841990 840599 C Essential protein involved in transcription regulation; component of chromatin remodeling complexes; required for assembly and function of the INO80 complex; member of the RUVB-like protein family 11062 S000002599 ORF Verified YDR191W HST4 4 842332 843444 W Member of the Sir2 family of NAD(+)-dependent protein deacetylases; involved along with Hst3p in silencing at telomeres, cell cycle progression, radiation resistance, genomic stability and short-chain fatty acid metabolism 11064 S000002601 ORF Dubious YDR193W n.a. 4 844549 844947 W Hypothetical protein 11066 S000002600 ORF Verified YDR192C NUP42 4 844856 843564 C Subunit of the nuclear pore complex (NPC) that localizes exclusively to the cytoplasmic side; involved in RNA export, most likely at a terminal step; interacts with Gle1p 11068 S000002602 ORF Verified YDR194C MSS116 4 847941 845947 C DEAD-box protein required for efficient splicing of mitochondrial Group I and II introns; presumed RNA helicase due to DEAD-box motif 11070 S000028541 ORF Uncharacterized YDR194W-A n.a. 4 848066 848218 W Identified by fungal homology and RT-PCR 11072 S000002603 ORF Verified YDR195W REF2 4 848594 850195 W RNA-binding protein involved in the cleavage step of mRNA 3'-end formation prior to polyadenylation; also involved in snoRNA maturation 11074 S000002604 ORF Uncharacterized YDR196C n.a. 4 850994 850269 C predicted to catalyze the final step in synthesis of Coenzyme A 11076 S000002605 ORF Verified YDR197W CBS2 4 851223 852392 W Translational activator of COB mRNA; soluble protein; cytochrome b translational activator 11078 S000002606 ORF Uncharacterized YDR198C n.a. 4 853967 852528 C Hypothetical protein 11080 S000002607 ORF Dubious YDR199W n.a. 4 854170 854535 W Hypothetical protein 11082 S000002608 ORF Verified YDR200C VPS64 4 856088 854274 C Cytoplasmic protein required for cytoplasm to vacuole targeting of proteins; forms a complex with Far3p, Far7p, Far10p, and Far11p that is involved in pheromone-induced cell cycle arrest; also localized to the endoplasmic reticulum membrane 11084 S000002609 ORF Verified YDR201W SPC19 4 856312 856809 W Component of Dam1p complex, important for spindle and kinetochore integrity; localized to nuclear side of spindle pole body and along mitotic spindle 11086 S000002611 ORF Dubious YDR203W n.a. 4 857677 857994 W Hypothetical protein 11088 S000002610 ORF Verified YDR202C RAV2 4 857948 856893 C Subunit of RAVE (Rav1p, Rav2p, Skp1p), a complex that associates with the V1 domain of the vacuolar membrane (H+)-ATPase (V-ATPase) and promotes assembly and reassembly of the holoenzyme 11090 S000002612 ORF Verified YDR204W COQ4 4 858132 859139 W Protein with a role in ubiquinone (Coenzyme Q) biosynthesis, possibly functioning in stabilization of Coq7p; located on the matrix face of the mitochondrial inner membrane; component of a mitochondrial ubiquinone-synthesizing complex 11092 S000002613 ORF Verified YDR205W MSC2 4 859341 861515 W Member of the cation diffusion facilitator family, localizes to the endoplasmic reticulum and nucleus; mutations affect the cellular distribution of zinc and also confer defects in meiotic recombination between homologous chromatids 11094 S000002614 ORF Verified YDR206W EBS1 4 862049 864703 W Protein of unknown function, contains a putative RNA recognition motif, deletion results in short telomeres; similar to Est1p, may be partially redundant with Est1p for telomere maintenance 11096 S000002615 ORF Verified YDR207C UME6 4 867517 865007 C Key transcriptional regulator of early meiotic genes, binds URS1 upstream regulatory sequence, couples metabolic responses to nutritional cues with initiation and progression of meiosis, forms complex with Ime1p, and also with Sin3p-Rpd3p 11098 S000002616 ORF Verified YDR208W MSS4 4 868219 870558 W Phosphatidylinositol-4-phosphate 5-kinase, involved in actin cytoskeleton organization and cell morphogenesis; multicopy suppressor of stt4 mutation 11100 S000002618 ORF Uncharacterized YDR210W n.a. 4 871069 871296 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 11102 S000002617 ORF Dubious YDR209C n.a. 4 871444 871031 C Hypothetical protein 11120 S000006613 tRNA n.a. tI(UAU)D n.a. 4 884356 884488 W tRNA-Ile 11121 S000035113 intron n.a. n.a. n.a. 4 884393 884452 W n.a. 11124 S000002619 ORF Verified YDR211W GCD6 4 884722 886860 W Catalytic epsilon subunit of the translation initiation factor eIF2B, the guanine-nucleotide exchange factor for eIF2; activity subsequently regulated by phosphorylated eIF2; first identified as a negative regulator of GCN4 expression 11126 S000002620 ORF Verified YDR212W TCP1 4 887227 888906 W Alpha subunit of chaperonin-containing T-complex, which mediates protein folding in the cytosol; involved in maintenance of actin cytoskeleton; homolog to Drosophila melanogaster and mouse tailless complex polypeptide 11128 S000002621 ORF Verified YDR213W UPC2 4 889746 892487 W Sterol regulatory element binding protein, induces transcription of sterol transport and biosynthetic genes; involved in the anaerobic induction of DAN/TIR mannoproteins and seripauperins; binucleate zinc cluster protein; Ecm22p homolog 11130 S000002622 ORF Verified YDR214W AHA1 4 892870 893922 W Co-chaperone that binds to Hsp82p and activates its ATPase activity; similar to Hch1p; expression is regulated by stresses such as heat shock 11132 S000002623 ORF Dubious YDR215C n.a. 4 894496 894113 C Hypothetical protein 11134 S000002624 ORF Verified YDR216W ADR1 4 895029 899000 W Carbon source-responsive zinc-finger transcription factor, required for transcription of the glucose-repressed gene ADH2, of peroxisomal protein genes, and of genes required for ethanol, glycerol, and fatty acid utilization 11136 S000002625 ORF Verified YDR217C RAD9 4 903474 899545 C DNA damage-dependent checkpoint protein, required for cell-cycle arrest in G1/S, intra-S, and G2/M; transmits checkpoint signal by activating Rad53p and Chk1p; hyperphosphorylated by Mec1p and Tel1p; potential Cdc28p substrate 11138 S000002626 ORF Verified YDR218C SPR28 4 905046 903775 C Septin-related protein expressed during sporulation 11140 S000002627 ORF Uncharacterized YDR219C n.a. 4 906846 905449 C Hypothetical protein 11142 S000002628 ORF Dubious YDR220C n.a. 4 907287 906994 C Hypothetical protein 11144 S000002629 ORF Uncharacterized YDR221W n.a. 4 907324 909432 W Hypothetical protein 11146 S000002630 ORF Uncharacterized YDR222W n.a. 4 910048 911295 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 11148 S000002631 ORF Verified YDR223W CRF1 4 912093 913496 W Transcriptional corepressor involved in the regulation of ribosomal protein gene transcription via the TOR signaling pathway and protein kinase A, phosphorylated by activated Yak1p which promotes accumulation of Crf1p in the nucleus 11150 S000002632 ORF Verified YDR224C HTB1 4 914706 914311 C One of two nearly identical (see HTB2) histone H2B subtypes required for chromatin assembly and chromosome function; Rad6p-Bre1p-Lge1p mediated ubiquitination regulates transcriptional activation, meiotic DSB formation and H3 methylation 11152 S000002633 ORF Verified YDR225W HTA1 4 915524 915922 W One of two nearly identical (see also HTA2) histone H2A subtypes; core histone required for chromatin assembly and chromosome function; DNA damage-dependent phosphorylation by Mec1p facilitates DNA repair; acetylated by Nat4p 11154 S000002634 ORF Verified YDR226W ADK1 4 916480 917148 W Adenylate kinase, required for purine metabolism; localized to the cytoplasm and the mitochondria; lacks cleavable signal sequence 11156 S000002635 ORF Verified YDR227W SIR4 4 917565 921641 W Silent information regulator that, together with SIR2 and SIR3, is involved in assembly of silent chromatin domains at telomeres and the silent mating-type loci; potentially phosphorylated by Cdc28p; some alleles of SIR4 prolong lifespan 11158 S000002636 ORF Verified YDR228C PCF11 4 923800 921920 C mRNA 3' end processing factor, essential component of cleavage and polyadenylation factor IA (CF IA), involved in pre-mRNA 3' end processing and in transcription termination; binds C-terminal domain of largest subunit of RNA pol II (Rpo21p) 11160 S000002637 ORF Verified YDR229W IVY1 4 924779 926140 W Phospholipid-binding protein that interacts with both Ypt7p and Vps33p, may partially counteract the action of Vps33p and vice versa, localizes to the rim of the vacuole as cells approach stationary phase 11162 S000002638 ORF Dubious YDR230W n.a. 4 926217 926564 W Hypothetical protein 11164 S000002639 ORF Verified YDR231C COX20 4 926904 926287 C Mitochondrial inner membrane protein, required for proteolytic processing of Cox2p and its assembly into cytochrome c oxidase 11166 S000002640 ORF Verified YDR232W HEM1 4 927446 929092 W 5-aminolevulinate synthase, catalyzes the first step in the heme biosynthetic pathway; an N-terminal signal sequence is required for localization to the mitochondrial matrix; expression is regulated by Hap2p-Hap3p 11168 S000002641 ORF Verified YDR233C RTN1 4 930351 929464 C Protein of unknown function; has similarity to mammalian reticulon proteins; member of the RTNLA (reticulon-like A) subfamily 11170 S000002642 ORF Verified YDR234W LYS4 4 931123 933204 W Homoaconitase, catalyzes the conversion of homocitrate to homoisocitrate, which is a step in the lysine biosynthesis pathway 11172 S000002643 ORF Verified YDR235W PRP42 4 933498 935132 W U1 snRNP protein involved in splicing, required for U1 snRNP biogenesis; contains multiple tetriatricopeptide repeats 11174 S000002644 ORF Verified YDR236C FMN1 4 935886 935230 C Riboflavin kinase, phosphorylates riboflavin to form riboflavin monophosphate (FMN), which is a necessary cofactor for many enzymes; localizes to microsomes and to the mitochondrial inner membrane 11176 S000002645 ORF Verified YDR237W MRPL7 4 936609 937487 W Mitochondrial ribosomal protein of the large subunit 11178 S000002646 ORF Verified YDR238C SEC26 4 940810 937889 C Essential subunit of the COP II vesicle coat, involved in endoplasmic-to-Golgi protein trafficking and maintenance of normal ER morphology; similar to mammalian beta-coat protein (beta-COP) 11180 S000002647 ORF Uncharacterized YDR239C n.a. 4 943414 941051 C Hypothetical protein 11182 S000002649 ORF Dubious YDR241W BUD26 4 945145 945432 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 1% of ORF overlaps the verified gene SNU56; diploid mutant displays a weak budding pattern phenotype in a systematic assay 11184 S000002648 ORF Verified YDR240C SNU56 4 945146 943668 C U1 snRNP protein, serine-rich; has no counterpart in mammalian U1 snRNP 11188 S000006778 tRNA n.a. tY(GUA)D SUP2 4 946306 946394 W tRNA-Tyr 11189 S000034661 intron n.a. n.a. n.a. 4 946345 946358 W n.a. 11192 S000002650 ORF Verified YDR242W AMD2 4 946801 948450 W Putative amidase 11194 S000002651 ORF Verified YDR243C PRP28 4 950278 948512 C RNA helicase in the DEAD-box family, involved in RNA isomerization at the 5' splice site 11196 S000002652 ORF Verified YDR244W PEX5 4 950557 952395 W Peroxisomal membrane signal receptor for C-terminal tripeptide signal sequence (PTS1) of peroxisomal matrix proteins, required for peroxisomal matrix protein import, tetratricopeptide repeat protein, also involved in PTS1-independent import 11198 S000002653 ORF Verified YDR245W MNN10 4 952794 953975 W Subunit of a Golgi mannosyltransferase complex also containing Anp1p, Mnn9p, Mnn11p, and Hoc1p that mediates elongation of the polysaccharide mannan backbone; membrane protein of the mannosyltransferase family 11200 S000002654 ORF Verified YDR246W TRS23 4 954282 954941 W One of 10 subunits of the transport protein particle (TRAPP) complex of the cis-Golgi which mediates vesicle docking and fusion; involved in endoplasmic reticulum (ER) to Golgi membrane traffic; human homolog is TRAPPC4 11202 S000028542 ORF Uncharacterized YDR246W-A n.a. 4 955127 955327 W Identified by fungal homology and RT-PCR 11204 S000002655 ORF Verified YDR247W VHS1 4 956007 957392 W Cytoplasmic serine/threonine protein kinase; identified as a high-copy suppressor of the synthetic lethality of a sis2 sit4 double mutant, suggesting a role in G1/S phase progression; homolog of Sks1p 11206 S000002656 ORF Uncharacterized YDR248C n.a. 4 958333 957752 C Hypothetical protein 11208 S000002657 ORF Uncharacterized YDR249C n.a. 4 959796 958675 C Hypothetical protein 11210 S000002658 ORF Dubious YDR250C n.a. 4 960355 960080 C Hypothetical protein 11212 S000002659 ORF Verified YDR251W PAM1 4 960608 963100 W Essential protein of unknown function; exhibits variable expression during colony morphogenesis; overexpression permits survival without protein phosphatase 2A, inhibits growth, and induces a filamentous phenotype 11214 S000002660 ORF Verified YDR252W BTT1 4 963406 963855 W Beta3 subunit of the heterotrimeric nascent polypeptide-associated complex (alpha, beta1, beta3) which binds ribosomes via its beta-subunits in close proximity to nascent polypeptides 11216 S000002661 ORF Verified YDR253C MET32 4 964559 963984 C Zinc-finger DNA-binding protein, involved in regulating expression of the methionine biosynthetic genes, similar to Met31p 11218 S000002662 ORF Verified YDR254W CHL4 4 965107 966483 W Outer kinetochore protein required for chromosome stability, interacts with kinetochore proteins Ctf19p, Ctf3p, and Iml3p; exhibits a two-hybrid interaction with Mif2p; association with CEN DNA requires Ctf19p 11220 S000002663 ORF Verified YDR255C RMD5 4 967816 966551 C Cytosolic protein required for sporulation; also required for the ubiquitination of the gluconeogenetic enzyme fructose-1,6-bisphosphatase, which is degraded rapidly after the switch from gluconeogenesis to glycolysis 11222 S000002664 ORF Verified YDR256C CTA1 4 969674 968127 C Catalase A, breaks down hydrogen peroxide in the peroxisomal matrix formed by acyl-CoA oxidase (Pox1p) during fatty acid beta-oxidation 11224 S000002665 ORF Verified YDR257C SET7 4 971468 969984 C Nuclear protein that contains a SET-domain, which have been shown to mediate methyltransferase activity in other proteins 11226 S000002666 ORF Verified YDR258C HSP78 4 974237 971802 C Oligomeric mitochondrial matrix chaperone that cooperates with Ssc1p in mitochondrial thermotolerance after heat shock; prevents the aggregation of misfolded matrix proteins; component of the mitochondrial proteolysis system 11228 S000002667 ORF Verified YDR259C YAP6 4 975776 974625 C Putative basic leucine zipper (bZIP) transcription factor; overexpression increases sodium and lithium tolerance 11230 S000002668 ORF Verified YDR260C SWM1 4 977223 976711 C Subunit of the anaphase-promoting complex, which is an E3 ubiquitin ligase that regulates the metaphase-anaphase transition and exit from mitosis; required for activation of the daughter-specific gene expression and spore wall maturation 11232 S000002669 ORF Verified YDR261C EXG2 4 979203 977515 C Exo-1,3-beta-glucanase, involved in cell wall beta-glucan assembly; may be anchored to the plasma membrane via a glycosylphosphatidylinositol (GPI) anchor 11234 S000006722 tRNA n.a. tS(AGA)D2 n.a. 4 981049 980968 C tRNA-Ser 11255 S000006577 tRNA n.a. tG(GCC)D2 n.a. 4 992826 992896 W tRNA-Gly 11257 S000002670 ORF Uncharacterized YDR262W n.a. 4 993128 993946 W Hypothetical protein 11259 S000002671 ORF Verified YDR263C DIN7 4 995528 994236 C Mitochondrial nuclease functioning in DNA repair and replication, modulates the stability of the mitochondrial genome, induced by exposure to mutagens, also induced during meiosis at a time nearly coincident with commitment to recombination 11261 S000002672 ORF Verified YDR264C AKR1 4 998317 996023 C Palmitoyl transferase involved in protein palmitoylation; acts as a negative regulator of pheromone response pathway; required for endocytosis of pheromone receptors; involved in cell shape control; contains ankyrin repeats 11263 S000002673 ORF Verified YDR265W PEX10 4 998858 999871 W RING finger peroxisomal membrane peroxin required for peroxisomal matrix protein import, interacts with Pex12p, links ubiquitin-conjugating Pex4p to protein import machinery; mutations in human homolog cause a variety of peroxisomal disorders 11265 S000002674 ORF Uncharacterized YDR266C n.a. 4 1002017 1000098 C Hypothetical protein 11267 S000002675 ORF Uncharacterized YDR267C n.a. 4 1003496 1002504 C Essential protein involved in assembly of cytosolic and nuclear iron-sulfur proteins 11269 S000002676 ORF Verified YDR268W MSW1 4 1003998 1005137 W Mitochondrial tryptophanyl-tRNA synthetase 11271 S000002678 ORF Verified YDR270W CCC2 4 1005669 1008683 W copper-transporting P-type ATPase with similarity to human Menkes and Wilsons genes; Cu(2+)-transporting ATPase 11273 S000002677 ORF Dubious YDR269C n.a. 4 1005982 1005659 C Hypothetical protein 11275 S000002679 ORF Dubious YDR271C n.a. 4 1008760 1008389 C Hypothetical protein 11277 S000002680 ORF Verified YDR272W GLO2 4 1009004 1009828 W Cytoplasmic glyoxalase II, catalyzes the hydrolysis of S-D-lactoylglutathione into glutathione and D-lactate 11279 S000002681 ORF Verified YDR273W DON1 4 1010170 1011267 W Meiosis-specific component of the spindle pole body, part of the leading edge protein (LEP) coat, forms a ring-like structure at the leading edge of the prospore membrane during meiosis II 11281 S000002682 ORF Dubious YDR274C n.a. 4 1011954 1011583 C Hypothetical protein 11283 S000002683 ORF Verified YDR275W BSC2 4 1012246 1012953 W Protein of unknown function, ORF exhibits genomic organization compatible with a translational readthrough-dependent mode of expression 11285 S000002684 ORF Verified YDR276C PMP3 4 1013637 1013470 C Small plasma membrane protein related to a family of plant polypeptides that are overexpressed under high salt concentration or low temperature, not essential for viability, deletion causes hyperpolarization of the plasma membrane potential 11287 S000002685 ORF Verified YDR277C MTH1 4 1015696 1014395 C Negative regulator of the glucose-sensing signal transduction pathway, required for repression of transcription by Rgt1p; interacts with Rgt1p and the Snf3p and Rgt2p glucose sensors; phosphorylated by Yck1p, triggering Mth1p degradation 11289 S000006546 tRNA n.a. tE(CUC)D n.a. 4 1017272 1017201 C tRNA-Glu 11291 S000002686 ORF Dubious YDR278C n.a. 4 1017312 1016995 C Hypothetical protein 11293 S000002687 ORF Verified YDR279W RNH202 4 1019362 1020414 W Ribonuclease H2 subunit, required for RNase H2 activity 11295 S000002688 ORF Verified YDR280W RRP45 4 1020741 1021658 W Protein involved in rRNA processing; component of the exosome 3->5 exonuclease complex 11297 S000002689 ORF Verified YDR281C PHM6 4 1022315 1022001 C Protein of unknown function, expression is regulated by phosphate levels 11300 S000002690 ORF Uncharacterized YDR282C n.a. 4 1024749 1023505 C Hypothetical protein 11302 S000002691 ORF Verified YDR283C GCN2 4 1030043 1025064 C Protein kinase, phosphorylates the alpha-subunit of translation initiation factor eIF2 (Sui2p) in response to starvation; activated by uncharged tRNAs and the Gcn1p-Gcn20p complex 11304 S000002692 ORF Verified YDR284C DPP1 4 1031413 1030544 C Diacylglycerol pyrophosphate (DGPP) phosphatase, zinc-regulated vacuolar membrane-associated lipid phosphatase, dephosphorylates DGPP to phosphatidate (PA) and Pi, then PA to diacylglycerol; involved in lipid signaling and cell metabolism 11306 S000002693 ORF Verified YDR285W ZIP1 4 1032430 1035057 W Synaptonemal complex (SC) protein that connects homologous chromosomes partially during zygotene and entirely during pachytene; potential Cdc28p substrate; synaptonemal complex protein 11308 S000002694 ORF Uncharacterized YDR286C n.a. 4 1035569 1035225 C Hypothetical protein 11310 S000002695 ORF Uncharacterized YDR287W n.a. 4 1035989 1036867 W inositol monophosphatase 11312 S000002696 ORF Uncharacterized YDR288W NSE3 4 1037189 1038100 W Essential protein of unknown function; interacts with Nse4p, which is a component of the Smc5/6 DNA repair complex 11314 S000002698 ORF Dubious YDR290W n.a. 4 1039364 1039693 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 42% of ORF overlaps the verified gene RTT103; deletion causes hydroxyuracil sensitivity 11316 S000002697 ORF Verified YDR289C RTT103 4 1039503 1038274 C Protein that interacts with exonuclease Rat1p and Rai1p and plays a role in transcription termination by RNA polymerase II, has an RPR domain (carboxy-terminal domain interacting domain); also involved in regulation of Ty1 transposition 11318 S000002699 ORF Uncharacterized YDR291W n.a. 4 1039722 1042955 W Hypothetical protein 11320 S000002700 ORF Verified YDR292C SRP101 4 1045005 1043140 C Signal recognition particle (SRP) receptor - alpha subunit; contain GTPase domains; involved in SRP-dependent protein targeting; interacts with SRP102p 11322 S000002701 ORF Verified YDR293C SSD1 4 1049386 1045634 C Protein with a role in maintenance of cellular integrity, interacts with components of the TOR pathway; ssd1 mutant of a clinical S. cerevisiae strain displays elevated virulence 11324 S000002702 ORF Verified YDR294C DPL1 4 1052222 1050453 C Dihydrosphingosine phosphate lyase, regulates intracellular levels of sphingolipid long-chain base phosphates (LCBPs), degrades phosphorylated long chain bases, prefers C16 dihydrosphingosine-l-phosphate as a substrate 11326 S000002703 ORF Verified YDR295C HDA2 4 1054641 1052617 C Subunit of a possibly tetrameric trichostatin A-sensitive class II histone deacetylase complex that contains an Hda1p homodimer and an Hda2p-Hda3p heterodimer; required for the activity of the complex; has similarity to Hda3p; Ploidy-related 11328 S000002704 ORF Verified YDR296W MHR1 4 1055206 1055886 W Protein involved in homologous recombination in mitochondria and in transcription regulation in nucleus; binds to activation domains of acidic activators; required for recombination-dependent mtDNA partitioning 11330 S000002705 ORF Verified YDR297W SUR2 4 1056545 1057594 W Sphinganine C4-hydroxylase, catalyses the conversion of sphinganine to phytosphingosine in sphingolipid biosyntheis 11332 S000002706 ORF Verified YDR298C ATP5 4 1058808 1058170 C Subunit 5 of the stator stalk of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis; homologous to bovine subunit OSCP (oligomycin sensitivity-conferring protein) 11334 S000002707 ORF Verified YDR299W BFR2 4 1059621 1061225 W Essential protein possibly involved in secretion; multicopy suppressor of sensitivity to Brefeldin A 11336 S000002708 ORF Verified YDR300C PRO1 4 1062785 1061499 C Gamma-glutamyl kinase, catalyzes the first step in proline biosynthesis 11338 S000002709 ORF Verified YDR301W CFT1 4 1063346 1067419 W RNA-binding subunit of the mRNA cleavage and polyadenylation factor; involved in poly(A) site recognition and required for both pre-mRNA cleavage and polyadenylation, 51% sequence similarity with mammalian AAUAA-binding subunit of CPSF 11340 S000002710 ORF Verified YDR302W GPI11 4 1067725 1068384 W ER membrane protein involved in a late step of glycosylphosphatidylinositol (GPI) anchor assembly; involved in the addition of phosphoethanolamine to the multiply mannosylated GPI intermediate; human PIG-Fp is a functional homolog 11342 S000002711 ORF Verified YDR303C RSC3 4 1071380 1068723 C One of 15 subunits of the 'Remodel the Structure of Chromatin' (RSC) complex; essential gene required for regulation of ribosomal protein genes and the cell wall/stress response; highly similar to Rsc30p 11344 S000002712 ORF Verified YDR304C CPR5 4 1072551 1071874 C Peptidyl-prolyl cis-trans isomerase (cyclophilin) of the endoplasmic reticulum, catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; transcriptionally induced in response to unfolded proteins in the ER 11346 S000002713 ORF Verified YDR305C HNT2 4 1073482 1072740 C Dinucleoside triphosphate hydrolase; has similarity to the tumor suppressor FHIT and belongs to the histidine triad (HIT) superfamily of nucleotide-binding proteins 11349 S000034248 intron n.a. n.a. n.a. 4 1073395 1073307 C n.a. 11350 S000002714 ORF Uncharacterized YDR306C n.a. 4 1075165 1073729 C Hypothetical protein 11352 S000006767 tRNA n.a. tV(CAC)D n.a. 4 1075538 1075466 C tRNA-Val 11354 S000002715 ORF Uncharacterized YDR307W n.a. 4 1075859 1077847 W Hypothetical protein 11356 S000002716 ORF Verified YDR308C SRB7 4 1078443 1078021 C RNA polymerase II holoenzyme component 11358 S000002717 ORF Verified YDR309C GIC2 4 1080193 1079042 C Protein of unknown function involved in initiation of budding and cellular polarization, interacts with Cdc42p via the Cdc42/Rac-interactive binding (CRIB) domain 11360 S000002718 ORF Verified YDR310C SUM1 4 1084310 1081122 C Transcriptional repressor required for repression of middle sporulation-specific genes during mitosis; regulated by the pachytene checkpoint; a dominant mutation acts as a suppressor of silencing defects of SIR2 mutations 11362 S000002719 ORF Verified YDR311W TFB1 4 1085060 1086988 W Subunit of TFIIH and nucleotide excision repair factor 3 complexes, required for nucleotide excision repair, target for transcriptional activators 11364 S000002720 ORF Verified YDR312W SSF2 4 1087576 1088937 W Protein required for ribosomal large subunit maturation, functionally redundant with Ssf1p; member of the Brix family 11366 S000002721 ORF Verified YDR313C PIB1 4 1090074 1089214 C RING-type ubiquitin ligase of the endosomal and vacuolar membranes, binds phosphatidylinositol(3)-phosphate; contains a FYVE finger domain 11368 S000002722 ORF Uncharacterized YDR314C n.a. 4 1092506 1090428 C Hypothetical protein 11370 S000002723 ORF Verified YDR315C IPK1 4 1093581 1092736 C Inositol 1,3,4,5,6-pentakisphosphate 2-kinase, nuclear protein required for synthesis of 1,2,3,4,5,6-hexakisphosphate (phytate), which is integral to cell function; has 2 motifs conserved in other fungi; ipk1 gle1 double mutant is inviable 11372 S000002724 ORF Verified YDR316W OMS1 4 1093758 1095173 W Protein integral to the mitochondrial membrane; has a conserved methyltransferase motif; multicopy suppressor of respiratory defects caused by OXA1 mutations 11374 S000006563 tRNA n.a. tF(GAA)D n.a. 4 1095456 1095365 C tRNA-Phe 11375 S000035376 intron n.a. n.a. n.a. 4 1095419 1095401 C n.a. 11387 S000002725 ORF Verified YDR317W HIM1 4 1102179 1103423 W Protein of unknown function involved in DNA repair 11389 S000002726 ORF Verified YDR318W MCM21 4 1103753 1104942 W Protein involved in minichromosome maintenance; component of the COMA complex that bridges kinetochore subunits that are in contact with centromeric DNA and the subunits bound to microtubules 11392 S000030338 intron n.a. n.a. n.a. 4 1103805 1103887 W n.a. 11393 S000002727 ORF Uncharacterized YDR319C n.a. 4 1105822 1104998 C Hypothetical protein 11395 S000002728 ORF Verified YDR320C SWA2 4 1108096 1106090 C Auxilin-like protein involved in vesicular transport; clathrin-binding protein required for uncoating of clathrin-coated vesicles 11397 S000028821 ORF Dubious YDR320W-B n.a. 4 1108479 1108616 W Identified by expression profiling and mass spectrometry 11399 S000007604 ORF Verified YDR320C-A DAD4 4 1108493 1108275 C Essential protein, component of the DASH complex; involved in spindle integrity and kinetochore function; interacts with Duo1p and Dam1p; localizes to intranuclear spindles and kinetochore 11401 S000002729 ORF Verified YDR321W ASP1 4 1108697 1109842 W Cytosolic L-asparaginase, involved in asparagine catabolism 11403 S000002730 ORF Verified YDR322W MRPL35 4 1110584 1111687 W Mitochondrial ribosomal protein of the large subunit 11405 S000007255 ORF Verified YDR322C-A TIM11 4 1112288 1111998 C Subunit e of mitochondrial F1F0-ATPase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis; essential for the dimeric state of ATP synthase 11407 S000002731 ORF Verified YDR323C PEP7 4 1114022 1112475 C Multivalent adaptor protein that facilitates vesicle-mediated vacuolar protein sorting by ensuring high-fidelity vesicle docking and fusion, which are essential for targeting of vesicles to the endosome; required for vacuole inheritance 11409 S000002732 ORF Verified YDR324C UTP4 4 1116758 1114428 C Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 11411 S000002733 ORF Verified YDR325W YCG1 4 1117119 1120226 W Yeast Condensin G 11413 S000002734 ORF Uncharacterized YDR326C n.a. 4 1124918 1120602 C Hypothetical protein 11415 S000002735 ORF Dubious YDR327W n.a. 4 1125295 1125621 W Protein required for cell viability 11417 S000002736 ORF Verified YDR328C SKP1 4 1126011 1125427 C Evolutionarily conserved kinetochore protein that is part of multiple protein complexes, including the SCF ubiquitin ligase complex, the CBF3 complex that binds centromeric DNA, and the RAVE complex that regulates assembly of the V-ATPase 11419 S000002737 ORF Verified YDR329C PEX3 4 1127588 1126263 C Peroxisomal membrane protein (PMP) required to recruit Pex19p chaperone to peroxisomes; plays selective, essential, direct role in PMP import as a docking factor for Pex19p 11421 S000002738 ORF Uncharacterized YDR330W UBX5 4 1127865 1129367 W UBX (ubiquitin regulatory X) domain-containing protein that interacts with Cdc48p 11423 S000002739 ORF Verified YDR331W GPI8 4 1129581 1130816 W ER membrane glycoprotein subunit of the glycosylphosphatidylinositol transamidase complex that adds glycosylphosphatidylinositol (GPI) anchors to newly synthesized proteins; human PIG-K protein is a functional homolog 11425 S000002740 ORF Uncharacterized YDR332W n.a. 4 1130994 1133063 W Hypothetical protein 11427 S000002741 ORF Uncharacterized YDR333C n.a. 4 1135424 1133253 C Hypothetical protein 11429 S000002742 ORF Verified YDR334W SWR1 4 1135925 1140469 W Swi2/Snf2-related ATPase, component of the SWR1 complex; required for the incorporation of Htz1p into chromatin 11431 S000002743 ORF Verified YDR335W MSN5 4 1141160 1144834 W Karyopherin involved in nuclear import and export; shown to be responsible for nuclear import of replication protein A and for export of several proteins including Swi6p, Far1p, and Pho4p; cargo dissociation involves binding to RanGTP 11433 S000002744 ORF Uncharacterized YDR336W n.a. 4 1145084 1146028 W Hypothetical protein 11435 S000002745 ORF Verified YDR337W MRPS28 4 1146311 1147171 W Mitochondrial ribosomal protein of the small subunit 11437 S000002746 ORF Uncharacterized YDR338C n.a. 4 1149458 1147371 C Hypothetical protein 11439 S000002747 ORF Uncharacterized YDR339C n.a. 4 1150512 1149943 C Protein required for cell viability 11441 S000002748 ORF Dubious YDR340W n.a. 4 1150873 1151175 W Hypothetical protein 11443 S000006777 tRNA n.a. tX(n.a.)D n.a. 4 1150933 1150834 C tRNA-Undet 11446 S000002749 ORF Verified YDR341C n.a. 4 1153618 1151795 C Cytoplasmic arginyl-tRNA synthetase 11448 S000002750 ORF Verified YDR342C HXT7 4 1155920 1154208 C High-affinity glucose transporter of the major facilitator superfamily, nearly identical to Hxt6p, expressed at high basal levels relative to other HXTs, expression repressed by high glucose levels 11450 S000002751 ORF Verified YDR343C HXT6 4 1161312 1159600 C High-affinity glucose transporter of the major facilitator superfamily, nearly identical to Hxt7p, expressed at high basal levels relative to other HXTs, repression of expression by high glucose requires SNF3 11452 S000002752 ORF Dubious YDR344C n.a. 4 1162441 1161998 C Hypothetical protein 11454 S000002753 ORF Verified YDR345C HXT3 4 1164652 1162949 C Low affinity glucose transporter of the major facilitator superfamily, expression is induced in low or high glucose conditions 11456 S000002754 ORF Verified YDR346C SVF1 4 1168651 1167206 C Protein with a potential role in cell survival pathways, required for the diauxic growth shift; expression in mammalian cells increases survival under conditions inducing apoptosis 11458 S000002755 ORF Verified YDR347W MRP1 4 1169170 1170135 W Mitochondrial ribosomal protein of the small subunit; MRP1 exhibits genetic interactions with PET122, encoding a COX3-specific translational activator, and with PET123, encoding a small subunit mitochondrial ribosomal protein 11460 S000002756 ORF Uncharacterized YDR348C n.a. 4 1171817 1170318 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery and bud neck; potential Cdc28p substrate 11462 S000002757 ORF Verified YDR349C YPS7 4 1174168 1172378 C Putative GPI-anchored aspartic protease, located in the cytoplasm and endoplasmic reticulum 11466 S000006659 tRNA n.a. tM(CAU)D EMT1 4 1175821 1175893 W tRNA that accepts methionine; functions in translational elongation but not translational initiation 11468 S000002758 ORF Verified YDR350C TCM10 4 1178165 1176330 C Mitochondrial inner membrane protein required for assembly of the F0 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 11470 S000002759 ORF Verified YDR351W SBE2 4 1178657 1181251 W Protein involved in the transport of cell wall components from the Golgi to the cell surface; required for bud growth 11472 S000002760 ORF Uncharacterized YDR352W n.a. 4 1181792 1182745 W Hypothetical protein 11474 S000002761 ORF Verified YDR353W TRR1 4 1183290 1184249 W Cytoplasmic thioredoxin reductase, key regulatory enzyme that determines the redox state of the thioredoxin system, which acts as a disulfide reductase system and protects cells against both oxidative and reductive stress 11476 S000002762 ORF Verified YDR354W TRP4 4 1184738 1185880 W Anthranilate phosphoribosyl transferase of the tryptophan biosynthetic pathway, catalyzes the phosphoribosylation of anthranilate, subject to the general control system of amino acid biosynthesis 11478 S000028613 ORF Dubious YDR354C-A n.a. 4 1185273 1185130 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 11480 S000002764 ORF Verified YDR356W SPC110 4 1186098 1188932 W Inner plaque spindle pole body (SPB) component, ortholog of human kendrin; involved in connecting nuclear microtubules to SPB; interacts with Tub4p-complex and calmodulin; phosphorylated by Mps1p in cell cycle-dependent manner 11482 S000002763 ORF Dubious YDR355C n.a. 4 1186360 1186058 C Protein required for cell viability 11484 S000002765 ORF Uncharacterized YDR357C n.a. 4 1189558 1189190 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 11486 S000002766 ORF Verified YDR358W GGA1 4 1190050 1191723 W Golgi-localized protein with homology to gamma-adaptin, interacts with and regulates Arf1p and Arf2p in a GTP-dependent manner in order to facilitate traffic through the late Golgi 11488 S000002768 ORF Dubious YDR360W n.a. 4 1194589 1194975 W Hypothetical protein 11490 S000002767 ORF Verified YDR359C VID21 4 1194875 1191927 C Component of the NuA4 histone acetyltransferase complex 11492 S000002769 ORF Uncharacterized YDR361C BCP1 4 1196253 1195402 C Essential protein involved in nuclear export of Mss4p, which is a lipid kinase that generates phosphatidylinositol 4,5-biphosphate and plays a role in actin cytoskeleton organization and vesicular transport 11494 S000002770 ORF Verified YDR362C TFC6 4 1198687 1196669 C One of six subunits of RNA polymerase III transcription initiation factor complex (TFIIIC); part of TFIIIC TauB domain that binds BoxB promoter sites of tRNA and other genes; cooperates with Tfc3p in DNA binding; human homolog is TFIIIC-110 11496 S000002771 ORF Verified YDR363W ESC2 4 1199173 1200543 W Protein involved in mating-type locus silencing, interacts with Sir2p; probably functions to recruit or stabilize Sir proteins 11498 S000006616 tRNA n.a. tK(CUU)D1 n.a. 4 1201740 1201812 W tRNA-Lys 11500 S000007235 ORF Verified YDR363W-A SEM1 4 1202118 1202387 W Component of the lid subcomplex of the regulatory subunit of the 26S proteasome; ortholog of human DSS1 11502 S000002772 ORF Verified YDR364C CDC40 4 1204200 1202833 C Pre-mRNA splicing factor, important for catalytic step II of pre-mRNA splicing and plays a role in cell cycle progression; required for DNA synthesis during mitosis and meiosis; has WD repeats 11504 S000002773 ORF Verified YDR365C ESF1 4 1206373 1204487 C Nucleolar protein involved in pre-rRNA processing; depletion causes severely decreased 18S rRNA levels 11515 S000002774 ORF Uncharacterized YDR366C n.a. 4 1212826 1212428 C Hypothetical protein 11517 S000002775 ORF Uncharacterized YDR367W n.a. 4 1212838 1213604 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 11520 S000032664 intron n.a. n.a. n.a. 4 1212868 1212968 W n.a. 11521 S000002776 ORF Verified YDR368W YPR1 4 1213894 1214832 W 2-methylbutyraldehyde reductase, may be involved in isoleucine catabolism 11523 S000002777 ORF Verified YDR369C XRS2 4 1217570 1215006 C Protein required for DNA repair; component of the Mre11 complex, which is involved in double strand breaks, meiotic recombination, telomere maintenance, and checkpoint signaling 11525 S000002778 ORF Uncharacterized YDR370C n.a. 4 1219100 1217772 C Hypothetical protein 11527 S000002779 ORF Uncharacterized YDR371W CTS2 4 1219403 1220938 W Sporulation-specific chitinase 11529 S000028822 ORF Dubious YDR371C-A n.a. 4 1219603 1219499 C Identified by expression profiling and mass spectrometry 11531 S000002780 ORF Verified YDR372C VPS74 4 1222139 1221102 C Non-essential protein of unknown function involved in vacuolar protein sorting; belongs to a family of cytosolic Golgi-associated proteins suggesting that it may play a role in secretion; also detected in the nucleus 11533 S000002781 ORF Verified YDR373W FRQ1 4 1222749 1223321 W N-myristoylated calcium-binding protein that may have a role in intracellular signaling through its regulation of the phosphatidylinositol 4-kinase Pik1p; member of the recoverin/frequenin branch of the EF-hand superfamily 11535 S000002782 ORF Uncharacterized YDR374C n.a. 4 1224384 1223464 C Hypothetical protein 11537 S000002783 ORF Verified YDR375C BCS1 4 1226526 1225156 C Protein of the mitochondrial inner membrane that functions as an ATP-dependent chaperone, required for the assembly of the cytochrome bc(1) complex from the Rip1p and Qcr10p proteins; member of the CDC48/PAS1/SEC18 ATPase family 11539 S000002784 ORF Verified YDR376W ARH1 4 1226812 1228293 W Oxidoreductase of the mitochondrial inner membrane, involved in cytoplasmic and mitochondrial iron homeostasis and required for activity of Fe-S cluster-containing enzymes; one of the few mitochondrial proteins essential for viability 11541 S000002785 ORF Verified YDR377W ATP17 4 1228601 1228906 W Subunit f of the F0 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis 11543 S000002786 ORF Verified YDR378C LSM6 4 1229710 1229339 C Component of small nuclear ribonucleoprotein complexes involved in RNA processing, splicing, and decay 11545 S000002787 ORF Verified YDR379W RGA2 4 1230157 1233186 W GTPase-activating protein for the polarity-establishment protein Cdc42p; implicated in control of septin organization, pheromone response, and haploid invasive growth 11547 S000007605 ORF Uncharacterized YDR379C-A n.a. 4 1233507 1233268 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 11549 S000002788 ORF Verified YDR380W ARO10 4 1234208 1236115 W Phenylpyruvate decarboxylase, catalyzes decarboxylation of phenylpyruvate to phenylacetaldehyde, which is the first specific step in the Ehrlich pathway 11551 S000002789 ORF Verified YDR381W YRA1 4 1236548 1237994 W Nuclear protein that binds to RNA and to Mex67p, required for export of poly(A)+ mRNA from the nucleus; member of the REF (RNA and export factor binding proteins) family; another family member, Yra2p, can substitute for Yra1p function 11554 S000037617 intron n.a. n.a. n.a. 4 1236833 1237598 W n.a. 11555 S000007650 ORF Uncharacterized YDR381C-A n.a. 4 1238840 1238302 C Hypothetical protein identified by homology. See FEBS Letters [2000]487:31-36. 11558 S000037339 intron n.a. n.a. n.a. 4 1238814 1238621 C n.a. 11559 S000002790 ORF Verified YDR382W RPP2B 4 1239482 1239814 W Ribosomal protein P2 beta, a component of the ribosomal stalk, which is involved in the interaction between translational elongation factors and the ribosome; regulates the accumulation of P1 (Rpp1Ap and Rpp1Bp) in the cytoplasm 11561 S000002791 ORF Verified YDR383C NKP1 4 1240666 1239950 C Non-essential kinetochore protein, subunit of the Ctf19 central kinetochore complex (Ctf19p-Mcm21p-Okp1p-Mcm22p-Mcm16p-Ctf3p-Chl4p-Mcm19p-Nkp1p-Nkp2p-Ame1p-Mtw1p) 11563 S000002792 ORF Verified YDR384C ATO3 4 1242021 1241194 C Plasma membrane protein, regulation pattern suggests a possible role in export of ammonia from the cell; member of the TC 9.B.33 YaaH family of putative transporters 11565 S000002793 ORF Verified YDR385W EFT2 4 1243220 1245748 W Elongation factor 2 (EF-2), also encoded by EFT1; catalyzes ribosomal translocation during protein synthesis; contains diphthamide, the unique posttranslationally modified histidine residue specifically ADP-ribosylated by diphtheria toxin 11567 S000002794 ORF Verified YDR386W MUS81 4 1246074 1247972 W Helix-hairpin-helix protein, involved in DNA repair and replication fork stability; functions as an endonuclease in complex with Mms4p; interacts with Rad54p 11569 S000002795 ORF Uncharacterized YDR387C n.a. 4 1249811 1248144 C Hypothetical protein 11571 S000002796 ORF Verified YDR388W RVS167 4 1250176 1251624 W Actin-associated protein, subunit of a complex (Rvs161p-Rvs167p) involved in regulation of actin cytoskeleton, endocytosis, and viability following starvation or osmotic stress; homolog of mammalian amphiphysin 11573 S000002797 ORF Verified YDR389W SAC7 4 1252527 1254491 W GTPase activating protein (GAP) for Rho1p, involved in signaling to the actin cytoskeleton, null mutations suppress tor2 mutations and temperature sensitive mutations in actin; potential Cdc28p substrate 11575 S000002798 ORF Verified YDR390C UBA2 4 1256837 1254927 C Nuclear protein that acts as a heterodimer with Aos1p to activate Smt3p (SUMO) before its conjugation to proteins (sumoylation), which may play a role in protein targeting; essential for viability 11577 S000006572 tRNA n.a. tG(CCC)D SUF3 4 1257069 1256998 C tRNA-Gly 11579 S000002799 ORF Uncharacterized YDR391C n.a. 4 1258046 1257348 C Hypothetical protein 11581 S000002800 ORF Verified YDR392W SPT3 4 1258686 1259699 W Subunit of the SAGA and SAGA-like transcriptional regulatory complexes, interacts with Spt15p to activate transcription of some RNA polymerase II-dependent genes, also functions to inhibit transcription at some promoters 11583 S000002801 ORF Verified YDR393W SHE9 4 1259891 1261261 W Mitochondrial inner membrane protein required for normal mitochondrial morphology, may be involved in fission of the inner membrane; forms a homo-oligomeric complex 11585 S000002802 ORF Verified YDR394W RPT3 4 1261671 1262957 W One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; substrate of N-acetyltransferase B 11587 S000002803 ORF Verified YDR395W SXM1 4 1263314 1266148 W Nuclear transport factor (karyopherin) involved in protein transport between the cytoplasm and nucleoplasm; similar to Nmd5p, Cse1p, Lph2p, and the human cellular apoptosis susceptibility protein, CAS1 11589 S000002804 ORF Dubious YDR396W n.a. 4 1266285 1266785 W Protein required for cell viability 11591 S000002805 ORF Verified YDR397C NCB2 4 1266888 1266356 C Beta subunit of the NC2 dimeric histone-fold complex; represses RNA polymerase II transcription through binding to TBP and inhibition of TFIIA and TFIIB; homologous to the Dr1 subunit of the mammalian NC2 (negative cofactor2) 11594 S000034924 intron n.a. n.a. n.a. 4 1266851 1266760 C n.a. 11595 S000002806 ORF Verified YDR398W UTP5 4 1267461 1269392 W Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 11597 S000002807 ORF Verified YDR399W HPT1 4 1270058 1270723 W Dimeric hypoxanthine-guanine phosphoribosyltransferase, catalyzes the formation of both inosine monophosphate and guanosine monophosphate; mutations in the human homolog HPRT1 can cause Lesch-Nyhan syndrome and Kelley-Seegmiller syndrome 11599 S000002808 ORF Verified YDR400W URH1 4 1271053 1272075 W Uridine nucleosidase (uridine-cytidine N-ribohydrolase), cleaves N-glycosidic bonds in nucleosides; involved in recycling pyrimidine deoxy- and ribonucleosides via the pyrimidine salvage pathway 11601 S000002809 ORF Dubious YDR401W n.a. 4 1272213 1272776 W Hypothetical protein 11603 S000002810 ORF Verified YDR402C DIT2 4 1273693 1272224 C N-formyltyrosine oxidase, sporulation-specific microsomal enzyme required for spore wall maturation, involved in the production of a soluble LL-dityrosine-containing precursor of the spore wall, homologous to cytochrome P-450s 11605 S000002811 ORF Verified YDR403W DIT1 4 1274592 1276202 W Sporulation-specific enzyme required for spore wall maturation, involved in the production of a soluble LL-dityrosine-containing precursor of the spore wall; transcripts accumulate at the time of prospore enclosure 11607 S000002812 ORF Verified YDR404C RPB7 4 1277159 1276644 C RNA polymerase II subunit B16; forms two subunit dissociable complex with Rpb4p 11609 S000002813 ORF Verified YDR405W MRP20 4 1277636 1278427 W Mitochondrial ribosomal protein of the large subunit 11611 S000002814 ORF Verified YDR406W PDR15 4 1279200 1283789 W ATP binding cassette (ABC) transporter of the plasma membrane; general stress response factor implicated in cellular detoxification; target of Pdr1p, Pdr3p and Pdr8p transcription regulators; promoter contains a PDR responsive element 11613 S000028543 ORF Dubious YDR406W-A n.a. 4 1283789 1284034 W Identified by fungal homology and RT-PCR 11615 S000002815 ORF Verified YDR407C TRS120 4 1287928 1284059 C One of 10 subunits of the transport protein particle (TRAPP) complex of the cis-Golgi which mediates vesicle docking and fusion; involved in endoplasmic reticulum (ER) to Golgi membrane traffic 11617 S000002816 ORF Verified YDR408C ADE8 4 1288849 1288205 C Phosphoribosyl-glycinamide transformylase, catalyzes a step in the 'de novo' purine nucleotide biosynthetic pathway 11619 S000002817 ORF Verified YDR409W SIZ1 4 1289396 1292110 W SUMO ligase that promotes the attachment of sumo (Smt3p; small ubiquitin-related modifier) to proteins; binds Ubc9p and may bind septins; specifically required for sumoylation of septins in vivo; localized to the septin ring 11621 S000002818 ORF Verified YDR410C STE14 4 1293081 1292362 C Farnesyl cysteine-carboxyl methyltransferase, mediates the carboxyl methylation step during C-terminal CAAX motif processing of a-factor and RAS proteins in the endoplasmic reticulum, localizes to the ER membrane 11623 S000002819 ORF Uncharacterized YDR411C DFM1 4 1294384 1293359 C Protein of unknown function, localizes to the ER, contains four transmembrane domains; member of the Der1p-like family 11625 S000002820 ORF Uncharacterized YDR412W n.a. 4 1294683 1295390 W Protein required for cell viability 11627 S000002821 ORF Dubious YDR413C n.a. 4 1295401 1294826 C Protein required for cell viability 11629 S000002822 ORF Verified YDR414C ERD1 4 1296676 1295588 C Predicted membrane protein required for the retention of lumenal endoplasmic reticulum proteins; mutants secrete the endogenous ER protein, BiP (Kar2p) 11631 S000002823 ORF Uncharacterized YDR415C n.a. 4 1298151 1297027 C Hypothetical protein 11633 S000002824 ORF Verified YDR416W SYF1 4 1298422 1301001 W Component of the spliceosome complex involved in pre-mRNA splicing; involved in regulation of cell cycle progression; similar to Drosophila crooked neck protein 11635 S000002826 ORF Verified YDR418W RPL12B 4 1301606 1302103 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl12Ap; rpl12a rpl12b double mutant exhibits slow growth and slow translation; has similarity to E. coli L11 and rat L12 ribosomal proteins 11637 S000002825 ORF Dubious YDR417C n.a. 4 1301916 1301545 C Hypothetical protein 11639 S000002827 ORF Verified YDR419W RAD30 4 1303164 1305062 W DNA polymerase eta, involved in the predominantly error-free bypass replication of DNA lesions, catalyzes the efficient and accurate synthesis of DNA opposite cyclobutane pyrimidine dimers; homolog of human POLH and bacterial DinB proteins 11641 S000006723 tRNA n.a. tS(AGA)D3 n.a. 4 1305620 1305702 W tRNA-Ser 11643 S000002828 ORF Verified YDR420W HKR1 4 1306257 1311665 W Serine/threonine rich cell surface protein that contains an EF hand motif; involved in the regulation of cell wall beta-1,3 glucan synthesis and bud site selection; overexpression confers resistance to Hansenula mrakii killer toxin, HM-1 11645 S000002829 ORF Verified YDR421W ARO80 4 1312030 1314882 W Zinc finger transcriptional activator of the Zn2Cys6 family; activates transcription of aromatic amino acid catabolic genes in the presence of aromatic amino acids 11647 S000002830 ORF Verified YDR422C SIP1 4 1317907 1315316 C Alternate beta-subunit of the Snf1p kinase complex, may confer substrate specificity; vacuolar protein containing KIS (Kinase-Interacting Sequence) and ASC (Association with Snf1 kinase Complex) domains involved in protein interactions 11649 S000002831 ORF Verified YDR423C CAD1 4 1319265 1318036 C AP-1-like bZIP transcriptional activator involved in multiple stress responses, iron metabolism, and pleiotropic drug resistance; controls a set of genes involved in stabilizing proteins, binds consensus sequence TTACTAA; 5' UTR contains uORFs 11651 S000002832 ORF Verified YDR424C DYN2 4 1319831 1319377 C Cytoplasmic light chain dynein, microtubule motor protein 11655 S000033952 intron n.a. n.a. n.a. 4 1319687 1319608 C n.a. 11656 S000033951 intron n.a. n.a. n.a. 4 1319806 1319711 C n.a. 11657 S000002833 ORF Verified YDR425W SNX41 4 1320054 1321931 W Sorting nexin, involved in the retrieval of late-Golgi SNAREs from the post-Golgi endosome to the trans-Golgi network; forms a complex with Snx4p and Atg20p 11659 S000002834 ORF Dubious YDR426C n.a. 4 1321996 1321619 C Hypothetical protein 11661 S000002835 ORF Verified YDR427W RPN9 4 1322195 1323376 W Non-ATPase regulatory subunit of the 26S proteasome, has similarity to putative proteasomal subunits in other species; null mutant is temperature sensitive and exhibits cell cycle and proteasome assembly defects 11663 S000002836 ORF Uncharacterized YDR428C n.a. 4 1324229 1323444 C Hypothetical protein 11665 S000002837 ORF Verified YDR429C TIF35 4 1325291 1324467 C Subunit of the core complex of translation initiation factor 3(eIF3), which is essential for translation 11667 S000002839 ORF Dubious YDR431W n.a. 4 1328380 1328691 W Hypothetical protein 11669 S000002838 ORF Verified YDR430C CYM1 4 1328460 1325491 C Lysine-specific metalloprotease of the mitochondrial intermembrane space, member of the pitrilysin family; degrades proteins and presequence peptides cleaved from imported proteins; required for normal mitochondrial morphology 11671 S000002840 ORF Verified YDR432W NPL3 4 1328773 1330017 W RNA-binding protein that carries poly(A)+ mRNA from the nucleus into the cytoplasm; phosphorylation by Sky1p in the cytoplasm may promote release of mRNAs 11673 S000002841 ORF Dubious YDR433W n.a. 4 1329590 1330030 W Hypothetical protein 11675 S000002842 ORF Verified YDR434W GPI17 4 1331227 1332831 W Transmembrane protein subunit of the glycosylphosphatidylinositol transamidase complex that adds GPIs to newly synthesized proteins; human PIG-Sp homolog 11677 S000002843 ORF Verified YDR435C PPM1 4 1333959 1332973 C Carboxyl methyl transferase, methylates the C terminus of the protein phosphatase 2A catalytic subunit (Pph21p or Pph22p), which is important for complex formation with regulatory subunits 11679 S000002844 ORF Verified YDR436W PPZ2 4 1334811 1336943 W Serine/threonine protein phosphatase Z, isoform of Ppz1p; involved in regulation of potassium transport, which affects osmotic stability, cell cycle progression, and halotolerance 11681 S000002845 ORF Verified YDR437W n.a. 4 1337342 1337764 W Subunit of GPI-GlcNAc transferase involved in synthesis of N-acetylglucosaminyl phosphatidylinositol (GlcNAc-PI), which is the first intermediate in glycosylphosphatidylinositol (GPI) anchor synthesis, shares similarity with mammalian PIG-P 11683 S000002846 ORF Uncharacterized YDR438W n.a. 4 1338264 1339376 W Hypothetical protein 11685 S000002847 ORF Verified YDR439W LRS4 4 1339666 1340709 W Protein involved in rDNA silencing; positively charged coiled-coil protein with limited similarity to myosin 11687 S000002848 ORF Verified YDR440W DOT1 4 1342483 1344231 W Nucleosomal histone H3-Lys79 methylase, associates with transcriptionally active genes, functions in gene silencing at telomeres, most likely by directly modulating chromatin structure and Sir protein localization 11689 S000002849 ORF Verified YDR441C APT2 4 1345052 1344507 C Apparent pseudogene, not transcribed or translated under normal conditions; encodes a protein with similarity to adenine phosphoribosyltransferase, but artificially expressed protein exhibits no enzymatic activity 11691 S000002850 ORF Dubious YDR442W n.a. 4 1345637 1346029 W Hypothetical protein 11693 S000002851 ORF Verified YDR443C SSN2 4 1349928 1345666 C Required for stable association of Srb10p-Srb11p kinase with RNA polymerase holoenzyme; regulates YGP1 epxression; component of RNA polymerase II holoenzyme and Kornberg's mediator (SRB) subcomplex; transcription factor 11695 S000002852 ORF Uncharacterized YDR444W n.a. 4 1350280 1352343 W Hypothetical protein 11697 S000006617 tRNA n.a. tK(CUU)D2 n.a. 4 1352528 1352456 C tRNA-Lys 11699 S000002853 ORF Dubious YDR445C n.a. 4 1352579 1352172 C Hypothetical protein 11703 S000002854 ORF Verified YDR446W ECM11 4 1353715 1354623 W Non-essential protein of unknown function, GFP fusion protein is present in discrete clusters in the nucleus throughout mitosis; may be involved in maintaining chromatin structure 11705 S000002855 ORF Verified YDR447C RPS17B 4 1355543 1354819 C Ribosomal protein 51 (rp51) of the small (40s) subunit; nearly identical to Rps17Ap and has similarity to rat S17 ribosomal protein 11708 S000035612 intron n.a. n.a. n.a. 4 1355540 1355227 C n.a. 11709 S000002856 ORF Verified YDR448W ADA2 4 1356055 1357359 W Transcription coactivator, component of the ADA and SAGA transcriptional adaptor/HAT (histone acetyltransferase) complexes 11711 S000002857 ORF Verified YDR449C UTP6 4 1358892 1357570 C Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 11713 S000002858 ORF Verified YDR450W RPS18A 4 1359913 1360788 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps18Bp and has similarity to E. coli S13 and rat S18 ribosomal proteins 11716 S000036545 intron n.a. n.a. n.a. 4 1359960 1360394 W n.a. 11717 S000002859 ORF Verified YDR451C YHP1 4 1362171 1361110 C One of two homeobox transcriptional repressors (see also Yox1p), that bind to Mcm1p and to early cell cycle box (ECB) elements of cell cycle regulated genes, thereby restricting ECB-mediated transcription to the M/G1 interval 11719 S000002860 ORF Verified YDR452W PPN1 4 1362868 1364892 W Vacuolar endopolyphosphatase with a role in phosphate metabolism; functions as a homodimer 11721 S000002861 ORF Verified YDR453C TSA2 4 1365652 1365062 C Stress inducible cytoplasmic thioredoxin peroxidase; cooperates with Tsa1p in the removal of reactive oxygen, nitrogen and sulfur species using thioredoxin as hydrogen donor; deletion enhances the mutator phenotype of tsa1 mutants 11723 S000002862 ORF Verified YDR454C GUK1 4 1366817 1366254 C Guanylate kinase, converts GMP to GDP; required for growth and mannose outer chain elongation of cell wall N-linked glycoproteins 11725 S000002864 ORF Verified YDR456W NHX1 4 1367475 1369376 W Endosomal Na+/H+ exchanger, required for intracellular sequestration of Na+; required for osmotolerance to acute hypertonic shock 11727 S000002863 ORF Dubious YDR455C n.a. 4 1367671 1367363 C Hypothetical protein 11729 S000002865 ORF Verified YDR457W TOM1 4 1369780 1379586 W Temperature dependent Organization in Mitotic nucleus; hect-domain-containing protein, containing kinase motifs; similar to Rsp5 11731 S000002866 ORF Uncharacterized YDR458C n.a. 4 1382036 1380045 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nuclear periphery 11733 S000002867 ORF Uncharacterized YDR459C n.a. 4 1383433 1382309 C likely functions in pathway(s) outside Ras 11735 S000002868 ORF Verified YDR460W TFB3 4 1383801 1384766 W Subunit of TFIIH and nucleotide excision repair factor 3 complexes, involved in transcription initiation, required for nucleotide excision repair; ring finger protein similar to mammalian CAK and TFIIH subunit 11737 S000002869 ORF Verified YDR461W MFA1 4 1385166 1385276 W Mating pheromone a-factor, made by a cells; interacts with alpha cells to induce cell cycle arrest and other responses leading to mating; biogenesis involves C-terminal modification, N-terminal proteolysis, and export; also encoded by MFA2 11739 S000002870 ORF Verified YDR462W MRPL28 4 1386063 1386506 W Mitochondrial ribosomal protein of the large subunit 11741 S000002871 ORF Verified YDR463W STP1 4 1386806 1388365 W Transcription factor, activated by proteolytic processing in response to signals from the SPS sensor system for external amino acids; activates transcription of amino acid permease genes and may have a role in tRNA processing 11743 S000002872 ORF Verified YDR464W SPP41 4 1388862 1393169 W appears to control expression of spliceosome components PRP4 and PRP3; negative regulator of prp genes 11745 S000028614 ORF Dubious YDR464C-A n.a. 4 1392670 1392482 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 11747 S000002873 ORF Verified YDR465C RMT2 4 1394564 1393326 C Arginine methyltransferase; ribosomal protein L12 is a substrate 11749 S000002874 ORF Verified YDR466W PKH3 4 1395111 1397807 W Protein kinase with similarity to mammalian phosphoinositide-dependent kinase 1 (PDK1) and yeast Pkh1p and Pkh2p, two redundant upstream activators of Pkc1p; identified as a multicopy suppressor of a pkh1 pkh2 double mutant 11751 S000002875 ORF Dubious YDR467C n.a. 4 1397899 1397573 C Hypothetical protein 11753 S000002876 ORF Verified YDR468C TLG1 4 1398690 1398016 C Essential t-SNARE that forms a complex with Tlg2p and Vti1p and mediates fusion of endosome-derived vesicles with the late Golgi; binds the docking complex VFT (Vps fifty-three) through interaction with Vps51p 11755 S000002877 ORF Verified YDR469W SDC1 4 1399005 1399532 W Subunit of the COMPASS (Set1C) complex, which methylates Rad6p ubiquitinated histone H3 on lysine 4 and is required in transcriptional silencing near telomeres; has similarity to C. elegans Dpy-30 11757 S000002878 ORF Verified YDR470C UGO1 4 1401204 1399696 C Protein of unknown function; outer membrane component of the mitochondrial fusion machinery; Ugo1p bind directly to Fzo1p and Mgm1p and thereby link these two GTPases during mitochondrial fusion 11759 S000002879 ORF Verified YDR471W RPL27B 4 1401760 1402554 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl27Ap and has similarity to rat L27 ribosomal protein 11762 S000036789 intron n.a. n.a. n.a. 4 1401791 1402174 W n.a. 11763 S000006498 snoRNA n.a. snR13 SNR13 4 1402909 1403032 W small nucleolar RNA 11765 S000002880 ORF Verified YDR472W TRS31 4 1403312 1404163 W One of 10 subunits of the transport protein particle (TRAPP) complex of the cis-Golgi which mediates vesicle docking and fusion; involved in endoplasmic reticulum (ER) to Golgi membrane traffic 11767 S000002881 ORF Verified YDR473C PRP3 4 1405844 1404435 C Splicing factor, component of the U4/U6-U5 snRNP complex 11769 S000002883 ORF Uncharacterized YDR475C n.a. 4 1410084 1407454 C Protein of unknown function; previously annotated as two separate ORFs, YDR474C and YDR475C, which were merged as a result of corrections to the systematic reference sequence 11771 S000002884 ORF Uncharacterized YDR476C n.a. 4 1411117 1410443 C Hypothetical protein 11773 S000002885 ORF Verified YDR477W SNF1 4 1412363 1414264 W AMP-activated serine/threonine protein kinase found in a complex containing Snf4p and members of the Sip1p/Sip2p/Gal83p family; required for transcription of glucose-repressed genes, thermotolerance, sporulation, and peroxisome biogenesis 11775 S000002886 ORF Verified YDR478W SNM1 4 1414565 1415161 W Subunit of RNase MRP, which cleaves pre-rRNA; not shared between Rnase MRP and nuclear Rnase P, in contrast to all other Rnase MRP protein subunits; binds to the NME1 RNA subunit of Rnase MRP 11777 S000002887 ORF Verified YDR479C PEX29 4 1416864 1415200 C Peroxisomal integral membrane protein, involved in regulation of peroxisome size and number; genetic interactions suggest that Pex28p and Pex29p act at steps upstream of those mediated by Pex30p, Pex31p, and Pex32p 11779 S000002888 ORF Verified YDR480W DIG2 4 1417389 1418360 W Regulatory protein of unknown function, pheromone-inducible, involved in the regulation of mating-specific genes and the invasive growth pathway, required for MAP-kinase imposed repression, inhibits pheromone-responsive transcription 11781 S000002889 ORF Verified YDR481C PHO8 4 1420240 1418540 C Repressible alkaline phosphatase, a glycoprotein localized to the vacuole; regulated by levels of inorganic phosphate and by a system consisting of Pho4p, Pho9p, Pho80p, Pho81p and Pho85p; dephosphorylates phosphotyrosyl peptides 11783 S000002890 ORF Verified YDR482C CWC21 4 1420828 1420421 C Component of a complex containing Cef1p, putatively involved in pre-mRNA splicing; may bind RNA; has similarity to S. pombe Cwf21p 11785 S000002891 ORF Verified YDR483W KRE2 4 1421147 1422475 W Alpha1,2-mannosyltransferase of the Golgi involved in protein mannosylation 11787 S000002892 ORF Verified YDR484W VPS52 4 1422753 1424678 W Component of the GARP (Golgi-associated retrograde protein) complex, Vps51p-Vps52p-Vps53p-Vps54p, which is required for the recycling of proteins from endosomes to the late Golgi; involved in localization of actin and chitin 11789 S000002893 ORF Verified YDR485C VPS72 4 1427197 1424810 C Protein of unknown function, component of the Swr1p complex that incorporates Htz1p into chromatin; required for vacuolar protein sorting 11791 S000002894 ORF Verified YDR486C VPS60 4 1428110 1427421 C Cytoplasmic and vacuolar membrane protein involved in late endosome to vacuole transport; required for normal filament maturation during pseudohyphal growth; may function in targeting specific cargo proteins for degradation 11793 S000002895 ORF Verified YDR487C RIB3 4 1428970 1428344 C 3,4-dihydroxy-2-butanone-4-phosphate synthase (DHBP synthase), required for riboflavin biosynthesis from ribulose-5-phosphate, also has an unrelated function in mitochondrial respiration 11795 S000002896 ORF Verified YDR488C PAC11 4 1430779 1429178 C Dynein intermediate chain, acts in the cytoplasmic dynein pathway, forms cortical cytoplasmic microtubule capture site with Num1p; null mutant is defective in nuclear migration, essential in the absence of CIN8 11797 S000002897 ORF Verified YDR489W SLD5 4 1431002 1431886 W Subunit of the GINS complex (Sld5p, Psf1p, Psf2p, Psf3p), which binds to DNA replication origins and facilitates assembly of the DNA replication machinery 11799 S000002898 ORF Verified YDR490C PKH1 4 1434258 1431958 C Serine/threonine protein kinase involved in sphingolipid-mediated signaling pathway that controls endocytosis; activates Ypk1p and Ykr2p, components of signaling cascade required for maintenance of cell wall integrity; redundant with Pkh2p 11801 S000002900 ORF Verified YDR492W IZH1 4 1434914 1435864 W Membrane protein involved in zinc metabolism, member of the four-protein IZH family; transcription is regulated directly by Zap1p, expression induced by zinc deficiency and fatty acids; deletion increases sensitivity to elevated zinc 11803 S000002899 ORF Dubious YDR491C n.a. 4 1434981 1434490 C Hypothetical protein 11805 S000002901 ORF Uncharacterized YDR493W n.a. 4 1436207 1436578 W The authentic, non-tagged protein was localized to the mitochondria 11807 S000002902 ORF Verified YDR494W RSM28 4 1436920 1438005 W Mitochondrial ribosomal protein of the small subunit; genetic interactions suggest a possible role in promoting translation initiation 11809 S000002903 ORF Verified YDR495C VPS3 4 1441140 1438105 C Cytoplasmic protein required for the sorting and processing of soluble vacuolar proteins, acidification of the vacuolar lumen, and assembly of the vacuolar H+-ATPase 11811 S000002904 ORF Verified YDR496C PUF6 4 1443393 1441423 C Pumilio-homology domain protein that binds ASH1 mRNA at PUF consensus sequences in the 3' UTR and represses its translation, resulting in proper asymmetric localization of ASH1 mRNA 11813 S000002905 ORF Verified YDR497C ITR1 4 1445457 1443703 C Myo-inositol transporter with strong similarity to the minor myo-inositol transporter Itr2p, member of the sugar transporter superfamily; expression is repressed by inositol and choline via Opi1p and derepressed via Ino2p and Ino4p 11815 S000002906 ORF Verified YDR498C SEC20 4 1446984 1445833 C Membrane glycoprotein v-SNARE involved in retrograde transport from the Golgi to the ER; required for N- and O-glycosylation in the Golgi but not in the ER; forms a complex with the cytosolic Tip20p 11817 S000002907 ORF Verified YDR499W LCD1 4 1447820 1450063 W Essential protein required for the DNA integrity checkpoint pathways; interacts physically with Mec1p; putative homolog of S. pombe Rad26 and human ATRIP 11819 S000002908 ORF Verified YDR500C RPL37B 4 1450843 1450188 C Protein component of the large (60S) ribosomal subunit, has similarity to Rpl37Ap and to rat L37 ribosomal protein 11822 S000036332 intron n.a. n.a. n.a. 4 1450836 1450448 C n.a. 11823 S000002909 ORF Verified YDR501W PLM2 4 1451343 1452908 W Protein required for partitioning of the 2-micron plasmid 11825 S000002910 ORF Verified YDR502C SAM2 4 1454454 1453300 C S-adenosylmethionine synthetase, catalyzes transfer of the adenosyl group of ATP to the sulfur atom of methionine; one of two differentially regulated isozymes (Sam1p and Sam2p) 11827 S000002911 ORF Verified YDR503C LPP1 4 1455856 1455032 C Lipid phosphate phosphatase, catalyzes Mg(2+)-independent dephosphorylation of phosphatidic acid (PA), lysophosphatidic acid, and diacylglycerol pyrophosphate; involved in control of the cellular levels of phosphatidylinositol and PA 11829 S000002912 ORF Verified YDR504C SPG3 4 1456684 1456301 C Protein required for survival at high temperature during stationary phase; not required for growth on nonfermentable carbon sources 11831 S000002913 ORF Verified YDR505C PSP1 4 1459210 1456685 C Asn and gln rich protein of unknown function; high-copy suppressor of POL1 (DNA polymerase alpha) and partial suppressor of CDC2 (polymerase delta) and CDC6 (pre-RC loading factor) mutations; overexpression results in growth inhibition 11833 S000002914 ORF Uncharacterized YDR506C n.a. 4 1461544 1459718 C Hypothetical protein 11835 S000006638 tRNA n.a. tL(CAA)D n.a. 4 1461819 1461705 C tRNA-Leu 11836 S000033776 intron n.a. n.a. n.a. 4 1461781 1461749 C n.a. 11839 S000002915 ORF Verified YDR507C GIN4 4 1465776 1462348 C Protein kinase involved in bud growth and assembly of the septin ring, proposed to have kinase-dependent and kinase-independent activities; undergoes autophosphorylation; similar to Kcc4p and Hsl1p 11841 S000002917 ORF Dubious YDR509W n.a. 4 1468216 1468563 W Hypothetical protein 11843 S000002916 ORF Verified YDR508C GNP1 4 1468434 1466443 C High-affinity glutamine permease, also transports Leu, Ser, Thr, Cys, Met and Asn; expression is fully dependent on Grr1p and modulated by the Ssy1p-Ptr3p-Ssy5p (SPS) sensor of extracellular amino acids 11845 S000002918 ORF Verified YDR510W SMT3 4 1469390 1469695 W Ubiquitin-like protein of the SUMO family, conjugated to lysine residues of target proteins; regulates chromatid cohesion, chromosome segregation, APC-mediated proteolysis, DNA replication and septin ring dynamics 11847 S000028615 ORF Dubious YDR510C-A n.a. 4 1469801 1469685 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 11849 S000002919 ORF Verified YDR511W ACN9 4 1470007 1470408 W Protein of the mitochondrial intermembrane space, required for acetate utilization and gluconeogenesis; has orthologs in higher eukaryotes 11851 S000002921 ORF Verified YDR513W TTR1 4 1471007 1471438 W Cytoplasmic glutaredoxin, thioltransferase, glutathione-dependent disulfide oxidoreductase involved in maintaining redox state of target proteins, also exhibits glutathione peroxidase activity, expression induced in response to stress 11853 S000002920 ORF Verified YDR512C EMI1 4 1471053 1470490 C Non-essential protein of unknown function required for transcriptional induction of the early meiotic-specific transcription factor IME1, also required for sporulation 11855 S000002922 ORF Uncharacterized YDR514C n.a. 4 1472989 1471538 C Hypothetical protein 11857 S000002923 ORF Verified YDR515W SLF1 4 1473419 1474762 W RNA binding protein that associates with polysomes; proposed to be involved in regulating mRNA translation; involved in the copper-dependent mineralization of copper sulfide complexes on cell surface in cells cultured in copper salts 11859 S000002924 ORF Verified YDR516C EMI2 4 1476466 1474964 C Non-essential protein of unknown function required for transcriptional induction of the early meiotic-specific transcription factor IME1, also required for sporulation 11861 S000002925 ORF Uncharacterized YDR517W GRH1 4 1477229 1478347 W Golgi localized protein component of the spindle assembly checkpoint; homolog of human GRASP65, which functions in postmitotic reassembly of Golgi stacks 11863 S000002926 ORF Verified YDR518W EUG1 4 1478598 1480151 W Protein disulfide isomerase of the endoplasmic reticulum lumen, function overlaps with that of Pdi1p; may interact with nascent polypeptides in the ER 11865 S000002927 ORF Verified YDR519W FPR2 4 1480415 1480822 W Membrane-bound peptidyl-prolyl cis-trans isomerase (PPIase), binds to the drugs FK506 and rapamycin; expression pattern suggests possible involvement in ER protein trafficking 11867 S000002929 ORF Dubious YDR521W n.a. 4 1483131 1483466 W Hypothetical protein 11869 S000002928 ORF Uncharacterized YDR520C n.a. 4 1483393 1481075 C Hypothetical protein 11871 S000002930 ORF Verified YDR522C SPS2 4 1485293 1483785 C Protein expressed during sporulation, redundant with Sps22p for organization of the beta-glucan layer of the spore wall; S. pombe ortholog is a spore wall component 11873 S000002931 ORF Verified YDR523C SPS1 4 1487028 1485556 C Putative protein serine/threonine kinase expressed at the end of meiosis and localized to the prospore membrane, required for correct localization of enzymes involved in spore wall synthesis 11875 S000002932 ORF Verified YDR524C AGE1 4 1488980 1487532 C ADP-ribosylation factor (ARF) GTPase activating protein (GAP) effector, involved in the secretory and endocytic pathways; contains C2C2H2 cysteine/histidine motif 11877 S000028740 ORF Uncharacterized YDR524W-C n.a. 4 1489393 1489482 W Identified by SAGE 11879 S000028739 ORF Uncharacterized YDR524C-B n.a. 4 1489788 1489588 C ORF, Uncharacterized 11881 S000002933 ORF Dubious YDR525W API2 4 1489895 1490224 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 26% of ORF overlaps the dubious ORF YDR524C-A; insertion mutation in a cdc34-2 mutant background causes altered bud morphology 11883 S000028616 ORF Dubious YDR524C-A n.a. 4 1489980 1489861 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 11885 S000007236 ORF Verified YDR525W-A SNA2 4 1490586 1490825 W Protein of unknown function, has similarity to Pmp3p, which is involved in cation transport; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 11887 S000002935 ORF Verified YDR527W RBA50 4 1491084 1492403 W Protein involved in transcription; interacts with RNA polymerase II subunits Rpb2p, Rpb3, and Rpb11p; has similarity to human RPAP1 11889 S000002934 ORF Dubious YDR526C n.a. 4 1491535 1491065 C Hypothetical protein 11891 S000028466 snoRNA n.a. snR84 SNR84 4 1493016 1492467 C H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at position 2265 11893 S000002936 ORF Verified YDR528W HLR1 4 1494576 1495847 W Protein involved in regulation of cell wall composition and integrity and response to osmotic stress; overproduction suppresses a lysis sensitive PKC mutation; similar to Lre1p, which functions antagonistically to protein kinase A 11895 S000002937 ORF Verified YDR529C QCR7 4 1496538 1496155 C Subunit 7 of the ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; oriented facing the mitochondrial matrix; N-terminus appears to play a role in complex assembly 11897 S000002938 ORF Verified YDR530C APA2 4 1497758 1496781 C Diadenosine 5',5''-P1,P4-tetraphosphate phosphorylase II (AP4A phosphorylase), involved in catabolism of bis(5'-nucleosidyl) tetraphosphates; has similarity to Apa1p 11899 S000002939 ORF Uncharacterized YDR531W n.a. 4 1498222 1499325 W Pantothenate kinase (ATP:D-pantothenate 4'-phosphotransferase, EC 2.7.1.33) catalyzes the first committed step in the universal biosynthetic pathway leading to CoA. 11901 S000002940 ORF Uncharacterized YDR532C n.a. 4 1500543 1499386 C Protein of unknown function that localizes to the nuclear side of the spindle pole body and along short spindles; forms a complex with Spc105p 11903 S000002941 ORF Verified YDR533C HSP31 4 1502150 1501437 C Possible chaperone and cysteine protease with similarity to E. coli Hsp31 and S. cerevisiae Hsp32p, Hsp33p, and Sno4p; member of the DJ-1/ThiJ/PfpI superfamily, which includes human DJ-1 involved in Parkinson's disease; exists as a dimer 11905 S000002942 ORF Verified YDR534C FIT1 4 1504889 1503303 C Mannoprotein that is incorporated into the cell wall via a glycosylphosphatidylinositol (GPI) anchor, involved in the retention of siderophore-iron in the cell wall 11907 S000002943 ORF Dubious YDR535C n.a. 4 1507351 1506595 C Hypothetical protein 11910 S000032614 intron n.a. n.a. n.a. 4 1507303 1507048 C n.a. 11911 S000002944 ORF Verified YDR536W STL1 4 1507994 1509703 W Glycerol proton symporter of the plasma membrane, subject to glucose-induced inactivation, strongly but transiently induced when cells are subjected to osmotic shock 11913 S000002946 ORF Verified YDR538W PAD1 4 1510890 1511618 W Phenylacrylic acid decarboxylase, confers resistance to cinnamic acid, decarboxylates aromatic carboxylic acids to the corresponding vinyl derivatives 11915 S000002945 ORF Dubious YDR537C n.a. 4 1511449 1510844 C Hypothetical protein 11917 S000002947 ORF Uncharacterized YDR539W n.a. 4 1512082 1513593 W Hypothetical protein 11919 S000002948 ORF Uncharacterized YDR540C n.a. 4 1517657 1517118 C Hypothetical protein 11922 S000002949 ORF Uncharacterized YDR541C n.a. 4 1520680 1519646 C Hypothetical protein 11924 S000002950 ORF Uncharacterized YDR542W n.a. 4 1523232 1523594 W Hypothetical protein 11930 S000002951 ORF Dubious YDR543C n.a. 4 1524916 1524617 C Hypothetical protein 11937 S000002952 ORF Dubious YDR544C n.a. 4 1525506 1525078 C Hypothetical protein 11939 S000002953 ORF Verified YDR545W YRF1-1 4 1526304 1531694 W Helicase encoded by the Y' element of subtelomeric regions, highly expressed in the mutants lacking the telomerase component TLC1; potentially phosphorylated by Cdc28p 11941 S000028617 ORF Dubious YDR545C-A n.a. 4 1531325 1530846 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 11944 S000028621 ORF Dubious YEL077W-A n.a. 5 630 1112 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 11946 S000006409 ORF Uncharacterized YEL077C n.a. 5 4097 264 C Hypothetical protein 11949 S000002956 ORF Dubious YEL075W-A n.a. 5 4870 5481 W Hypothetical protein 11951 S000000802 ORF Uncharacterized YEL076C n.a. 5 5114 4464 C Hypothetical protein 11953 S000002955 ORF Uncharacterized YEL076C-A n.a. 5 5114 4185 C Hypothetical protein 11956 S000036123 intron n.a. n.a. n.a. 5 4601 4323 C n.a. 11957 S000000801 ORF Uncharacterized YEL075C n.a. 5 5713 5345 C Hypothetical protein 11959 S000000800 ORF Dubious YEL074W n.a. 5 6126 6464 W Hypothetical protein 11967 S000000799 ORF Uncharacterized YEL073C n.a. 5 7553 7230 C Hypothetical protein 11970 S000000798 ORF Verified YEL072W RMD6 5 13720 14415 W Protein required for sporulation 11972 S000000797 ORF Verified YEL071W DLD3 5 16355 17845 W D-lactate dehydrogenase, part of the retrograde regulon which consists of genes whose expression is stimulated by damage to mitochondria and reduced in cells grown with glutamate as the sole nitrogen source, located in the cytoplasm 11974 S000000796 ORF Uncharacterized YEL070W n.a. 5 19589 21097 W ORF, Uncharacterized 11976 S000000795 ORF Verified YEL069C HXT13 5 23231 21537 C Protein of unknown function with similarity to hexose transporter family members, expression is induced by low levels of glucose and repressed by high levels of glucose 11978 S000000794 ORF Dubious YEL068C n.a. 5 25978 25646 C Hypothetical protein 11980 S000000792 ORF Verified YEL066W HPA3 5 26667 27206 W D-Amino acid N-acetyltransferase, catalyzes N-acetylation of D-amino acids through ordered bi-bi mechanism in which acetyl-CoA is first substrate bound and CoA is last product liberated; similar to Hpa2p, acetylates histones weakly in vitro 11982 S000000793 ORF Dubious YEL067C n.a. 5 26776 26189 C Hypothetical protein 11984 S000000791 ORF Verified YEL065W SIT1 5 27657 29543 W Ferrioxamine B transporter, member of the ARN family of transporters that specifically recognize siderophore-iron chelates; transcription is induced during iron deprivation and diauxic shift; potentially phosphorylated by Cdc28p 11986 S000000790 ORF Verified YEL064C AVT2 5 31239 29797 C Putative transporter, member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters 11988 S000000789 ORF Verified YEL063C CAN1 5 33466 31694 C Plasma membrane arginine permease, requires phosphatidyl ethanolamine (PE) for localization, exclusively associated with lipid rafts; mutation confers canavanine resistance 11990 S000000788 ORF Verified YEL062W NPR2 5 34407 36254 W Regulator of nitrogen permeases; transcription is induced in response to proline and urea; contains two PEST sequences 11992 S000000787 ORF Verified YEL061C CIN8 5 39537 36535 C Kinesin motor protein involved in mitotic spindle assembly and chromosome segregation 11994 S000000786 ORF Verified YEL060C PRB1 5 41953 40046 C Vacuolar proteinase B (yscB), a serine protease of the subtilisin family; involved in protein degradation in the vacuole and required for full protein degradation during sporulation 11996 S000002954 ORF Verified YEL059C-A SOM1 5 42624 42400 C Protein whose overexpression suppresses the imp1 mutation, may be required for the function of the Imp1p mitochondrial inner membrane peptidase and/or the protein sorting machinery 11998 S000000785 ORF Dubious YEL059W n.a. 5 42652 42960 W Hypothetical protein 12000 S000000784 ORF Verified YEL058W PCM1 5 43252 44925 W Essential N-acetylglucosamine-phosphate mutase, a hexosephosphate mutase involved in the biosynthesis of chitin 12002 S000000783 ORF Uncharacterized YEL057C n.a. 5 45721 45020 C Hypothetical protein 12004 S000000782 ORF Verified YEL056W HAT2 5 47168 48373 W Subunit of the Hat1p-Hat2p histone acetyltransferase complex; required for high affinity binding of the complex to free histone H4, thereby enhancing Hat1p activity; similar to human RbAp46 and 48; has a role in telomeric silencing 12006 S000000781 ORF Verified YEL055C POL5 5 51539 48471 C Protein with sequence similarity to the human MybBP1A and weak sequence similar to B-type DNA polymerases, not required for chromosomal DNA replication; required for the synthesis of rRNA 12008 S000028744 ORF Dubious YEL053W-A n.a. 5 52908 53255 W Hypothetical protein 12010 S000000780 ORF Verified YEL054C RPL12A 5 53218 52721 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl12Bp; rpl12a rpl12b double mutant exhibits slow growth and slow translation; has similarity to E. coli L11 and rat L12 ribosomal proteins 12012 S000000779 ORF Verified YEL053C MAK10 5 56102 53901 C Non-catalytic subunit of N-terminal acetyltransferase of the NatC type, required for replication of dsRNA virus; expression is glucose-repressible 12014 S000000778 ORF Verified YEL052W AFG1 5 56571 58100 W Putative ATPase of the CDC48/PAS1/SEC18 (AAA) family, localized to mitochondria 12016 S000000777 ORF Verified YEL051W VMA8 5 58378 59148 W Subunit D of the eight-subunit V1 peripheral membrane domain of the vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found throughout the endomembrane system; plays a role in the coupling of proton transport and ATP hydrolysis 12019 S000028545 ORF Dubious YEL050W-A n.a. 5 59549 59740 W Identified by fungal homology and RT-PCR 12021 S000000776 ORF Verified YEL050C RML2 5 60851 59670 C Mitochondrial ribosomal protein of the large subunit, has similarity to E. coli L2 ribosomal protein; fat21 mutant allele causes inability to utilize oleate and may interfere with activity of the Adr1p transcription factor 12023 S000006458 snoRNA n.a. snR67 SNR67 5 61352 61433 W guides 2'-O-methylation on large subunit rRNA at G2616 and U2721; small nucleolar RNA snR67 12025 S000006444 snoRNA n.a. snR53 SNR53 5 61699 61789 W guides 2'-O-methylation on small subunit rRNA at A796; small nucleolar RNA snR53 12027 S000006578 tRNA n.a. tG(GCC)E n.a. 5 61960 61890 C tRNA-Gly 12031 S000000775 ORF Verified YEL049W PAU2 5 63728 64090 W Part of 23-member seripauperin multigene family encoded mainly in subtelomeric regions, active during alcoholic fermentation, regulated by anaerobiosis, negatively regulated by oxygen, repressed by heme 12033 S000000774 ORF Uncharacterized YEL048C n.a. 5 65167 64709 C Hypothetical protein 12035 S000000773 ORF Uncharacterized YEL047C n.a. 5 66797 65385 C Fumurate ReDuctase Soluble 12037 S000000772 ORF Verified YEL046C GLY1 5 68792 67629 C Threonine aldolase, catalyzes the cleavage of L-allo-threonine and L-threonine to glycine; involved in glycine biosynthesis 12039 S000000771 ORF Dubious YEL045C n.a. 5 69265 68840 C Hypothetical protein 12041 S000000770 ORF Verified YEL044W IES6 5 69757 70257 W Protein that associates with the INO80 chromatin remodeling complex under low-salt conditions 12043 S000000769 ORF Uncharacterized YEL043W n.a. 5 70478 73348 W Hypothetical protein 12045 S000000768 ORF Verified YEL042W GDA1 5 73771 75327 W Guanosine diphosphatase located in the Golgi, involved in the transport of GDP-mannose into the Golgi lumen by converting GDP to GMP after mannose is transferred its substrate 12047 S000000767 ORF Uncharacterized YEL041W n.a. 5 75944 77431 W Hypothetical protein 12049 S000000766 ORF Verified YEL040W UTR2 5 78053 79456 W Putative glycosidase, glycosylphosphatidylinositol (GPI)-anchored protein localized to the bud neck; has a role in cell wall maintenance 12051 S000000765 ORF Verified YEL039C CYC7 5 79977 79636 C Cytochrome c isoform 2, expressed under hypoxic conditions; electron carrier of the mitochondrial intermembrane space that transfers electrons from ubiquinone-cytochrome c oxidoreductase to cytochrome c oxidase during cellular respiration 12053 S000000764 ORF Verified YEL038W UTR4 5 80420 81145 W Protein of unknown function, found in both the cytoplasm and nucleus 12055 S000000763 ORF Verified YEL037C RAD23 5 82603 81407 C Protein with ubiquitin-like N terminus, recognizes and binds damaged DNA (with Rad4p) during nucleotide excision repair; regulates Rad4p levels, subunit of Nuclear Excision Repair Factor 2 (NEF2); homolog of human HR23A and HR23B proteins 12057 S000000762 ORF Verified YEL036C ANP1 5 84552 83050 C Subunit of the alpha-1,6 mannosyltransferase complex; type II membrane protein; has a role in retention of glycosyltransferases in the Golgi; involved in osmotic sensitivity and resistance to aminonitrophenyl propanediol 12059 S000000761 ORF Uncharacterized YEL035C UTR5 5 85545 85045 C Protein of unknown function; transcription may be regulated by Gcr1p 12061 S000000760 ORF Verified YEL034W HYP2 5 85676 86149 W Translation initiation factor eIF-5A, promotes formation of the first peptide bond; similar to and functionally redundant with Anb1p; undergoes an essential hypusination modification; expressed under aerobic conditions 12063 S000000759 ORF Dubious YEL033W n.a. 5 86179 86598 W Hypothetical protein 12065 S000028743 ORF Dubious YEL034C-A n.a. 5 86215 85613 C Hypothetical protein 12067 S000006724 tRNA n.a. tS(AGA)E n.a. 5 86604 86685 W tRNA-Ser 12069 S000000758 ORF Verified YEL032W MCM3 5 86937 89852 W Protein involved in DNA replication; component of the Mcm2-7 hexameric complex that binds chromatin as a part of the pre-replicative complex 12071 S000028620 ORF Dubious YEL032C-A n.a. 5 87201 87040 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12073 S000000757 ORF Verified YEL031W SPF1 5 90258 93905 W P-type ATPase, ion transporter of the ER membrane involved in ER function and Ca2+ homeostasis; required for regulating Hmg2p degradation; confers sensitivity to a killer toxin (SMKT) produced by Pichia farinosa KK1 12076 S000000756 ORF Verified YEL030W ECM10 5 94644 96578 W Heat shock protein of the Hsp70 family, localized in mitochondrial nucleoids, plays a role in protein translocation, interacts with Mge1p in an ATP-dependent manner; overexpression induces extensive mitochondrial DNA aggregations 12078 S000028619 ORF Dubious YEL030C-A n.a. 5 94897 94583 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12080 S000000755 ORF Verified YEL029C BUD16 5 97796 96858 C Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern; has similarity to pyridoxal kinases 12082 S000000754 ORF Dubious YEL028W n.a. 5 98668 99129 W Hypothetical protein 12085 S000006660 tRNA n.a. tM(CAU)E IMT4 5 100133 100204 W Initiator methionine tRNA, tRNA(IMet), one of four initiator methionine tRNA genes in yeast that are functional for translation 12087 S000000753 ORF Verified YEL027W CUP5 5 100769 101251 W Proteolipid subunit of the vacuolar H(+)-ATPase V0 sector (subunit c; dicyclohexylcarbodiimide binding subunit); required for vacuolar acidification and important for copper and iron metal ion homeostasis 12089 S000000752 ORF Verified YEL026W SNU13 5 101943 102323 W RNA binding protein, part of U3 snoRNP involved in rRNA processing, part of U4/U6-U5 tri-snRNP involved in mRNA splicing, similar to human 15.5K protein 12091 S000000751 ORF Uncharacterized YEL025C n.a. 5 106147 102581 C SWI/SNF and RSC interacting protein 1 12093 S000000750 ORF Verified YEL024W RIP1 5 107260 107907 W Ubiquinol-cytochrome-c reductase, a Rieske iron-sulfur protein of the mitochondrial cytochrome bc1 complex; transfers electrons from ubiquinol to cytochrome c1 during respiration 12095 S000000749 ORF Uncharacterized YEL023C n.a. 5 110552 108504 C Hypothetical protein 12097 S000000748 ORF Verified YEL022W GEA2 5 111421 115800 W Guanine nucleotide exchange factor for ADP ribosylation factors (ARFs), involved in vesicular transport between the Golgi and ER, Golgi organization, and actin cytoskeleton organization; similar to but not functionally redundant with Gea1p 12099 S000000747 ORF Verified YEL021W URA3 5 116167 116970 W Orotidine-5'-phosphate (OMP) decarboxylase, catalyzes the sixth enzymatic step in the de novo biosynthesis of pyrimidines, converting OMP into uridine monophosphate (UMP); converts 5-FOA into 5-fluorouracil, a toxic compound 12101 S000007256 ORF Verified YEL020W-A TIM9 5 117211 117474 W Mitochondrial intermembrane space protein mediating import and insertion of polytopic inner membrane proteins 12103 S000028544 ORF Dubious YEL020C-B n.a. 5 117380 117183 C Identified by fungal homology and RT-PCR 12105 S000006490 ncRNA n.a. RPR1 RPR1 5 118035 117667 C RNA component of nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends; may be responsible for recognition of substrate tRNAs 12108 S000000746 ORF Uncharacterized YEL020C n.a. 5 120299 118617 C Hypothetical protein 12110 S000000745 ORF Verified YEL019C MMS21 5 121301 120498 C SUMO ligase involved in chromosomal organization and DNA repair; forms a complex with Smc5p, Rhc18p, and Nse1p; mutants are sensitive to methyl methanesulfonate and show increased spontaneous mutation and mitotic recombination 12112 S000000744 ORF Uncharacterized YEL018W EAF5 5 121471 122310 W Esa1p-associated factor, subunit of the NuA4 acetyltransferase complex 12114 S000028742 ORF Dubious YEL018C-A n.a. 5 121988 121455 C Questionable ORF from MIPS 12116 S000002103 ORF Verified YEL017C-A PMP2 5 122929 122798 C May regulate plasma membrane H(+)-ATPase; nearly identical to PMP1; Proteolipid associated with plasma membrane H(+)-ATPase (Pma1p) 12118 S000000743 ORF Uncharacterized YEL017W GTT3 5 123657 124670 W Protein of unknown function with a possible role in glutathione metabolism, as suggested by computational analysis of large-scale protein-protein interaction data; GFP-fusion protein localizes to the nuclear periphery 12120 S000000742 ORF Uncharacterized YEL016C n.a. 5 126218 124737 C Hypothetical protein 12122 S000000741 ORF Verified YEL015W EDC3 5 126629 128284 W Non-essential conserved protein of unknown function, plays a role in mRNA decapping by specifically affecting the function of the decapping enzyme Dcp1p; localizes to cytoplasmic mRNA processing bodies 12124 S000000740 ORF Dubious YEL014C n.a. 5 128608 128303 C Hypothetical protein 12126 S000000739 ORF Verified YEL013W VAC8 5 128825 130561 W Phosphorylated vacuolar membrane protein that interacts with Atg13p, required for the cytoplasm-to-vacuole targeting (Cvt) pathway; interacts with Nvj1p to form nucleus-vacuole junctions 12128 S000006697 tRNA n.a. tQ(UUG)E2 n.a. 5 131153 131082 C tRNA-Gln 12130 S000000738 ORF Verified YEL012W UBC8 5 131772 132551 W Ubiquitin-conjugating enzyme that negatively regulates gluconeogenesis by mediating the glucose-induced ubiquitination of fructose-1,6-bisphosphatase (FBPase); cytoplasmic enzyme that catalyzes the ubiquitination of histones in vitro 12133 S000033014 intron n.a. n.a. n.a. 5 131777 131899 W n.a. 12134 S000000737 ORF Verified YEL011W GLC3 5 133120 135234 W Glycogen branching enzyme, involved in glycogen accumulation; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 12136 S000006618 tRNA n.a. tK(CUU)E1 n.a. 5 135497 135425 C tRNA-Lys 12139 S000000736 ORF Dubious YEL010W n.a. 5 136279 136629 W Hypothetical protein 12141 S000028741 ORF Dubious YEL009C-A n.a. 5 136778 136371 C Questionable ORF from MIPS 12145 S000006710 tRNA n.a. tR(UCU)E n.a. 5 138666 138737 W tRNA-Arg 12147 S000000735 ORF Verified YEL009C GCN4 5 139763 138918 C Transcriptional activator of amino acid biosynthetic genes in response to amino acid starvation; expression is tightly regulated at both the transcriptional and translational levels 12149 S000000734 ORF Dubious YEL008W n.a. 5 140512 140892 W Hypothetical protein 12151 S000028618 ORF Dubious YEL008C-A n.a. 5 140818 140726 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12153 S000000733 ORF Uncharacterized YEL007W n.a. 5 141891 143891 W Hypothetical protein 12155 S000000732 ORF Uncharacterized YEL006W n.a. 5 144326 145333 W Hypothetical protein 12158 S000000731 ORF Verified YEL005C VAB2 5 146754 145906 C Protein with a potential role in vacuolar function, as suggested by its ability to bind Vac8p; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 12160 S000000730 ORF Verified YEL004W YEA4 5 146950 147978 W Uridine diphosphate-N-acetylglucosamine (UDP-GlcNAc) transporter required for cell wall chitin synthesis; localized to the ER 12162 S000000729 ORF Verified YEL003W GIM4 5 148227 148598 W Subunit of the heterohexameric cochaperone prefoldin complex which binds specifically to cytosolic chaperonin and transfers target proteins to it 12164 S000000728 ORF Verified YEL002C WBP1 5 150013 148721 C Beta subunit of the oligosaccharyl transferase (OST) glycoprotein complex; required for N-linked glycosylation of proteins in the endoplasmic reticulum 12166 S000000727 ORF Uncharacterized YEL001C n.a. 5 150977 150300 C Hypothetical protein 12172 S000000803 ORF Verified YER001W MNN1 5 153519 155807 W Alpha-1,3-mannosyltransferase, integral membrane glycoprotein of the Golgi complex, required for addition of alpha1,3-mannose linkages to N-linked and O-linked oligosaccharides, one of five S. cerevisiae proteins of the MNN1 family 12174 S000000804 ORF Verified YER002W NOP16 5 156802 157497 W Constituent of 66S pre-ribosomal particles, involved in 60S ribosomal subunit biogenesis 12176 S000000805 ORF Verified YER003C PMI40 5 159117 157735 C Mannose-6-phosphate isomerase, catalyzes the interconversion of fructose-6-P and mannose-6-P; required for early steps in protein mannosylation 12179 S000033754 intron n.a. n.a. n.a. 5 159086 158994 C n.a. 12180 S000000806 ORF Uncharacterized YER004W n.a. 5 159579 160274 W The authentic, non-tagged protein was localized to the mitochondria 12182 S000000807 ORF Verified YER005W YND1 5 160549 162441 W Apyrase with wide substrate specificity, involved in preventing the inhibition of glycosylation by hydrolyzing nucleoside tri- and diphosphates which are inhibitors of glycotransferases; partially redundant with Gda1p 12184 S000000808 ORF Verified YER006W NUG1 5 162722 164284 W GTPase that associates with nuclear 60S pre-ribosomes, required for export of 60S ribosomal subunits from the nucleus 12186 S000000809 ORF Verified YER007W PAC2 5 164526 166082 W Microtubule effector required for tubulin heterodimer formation, binds alpha-tubulin, required for normal microtubule function, null mutant exhibits cold-sensitive microtubules and sensitivity to benomyl 12188 S000028745 ORF Dubious YER006C-A n.a. 5 164660 164343 C Questionable ORF from MIPS 12190 S000002957 ORF Uncharacterized YER007C-A n.a. 5 166884 166236 C Hypothetical protein 12193 S000032951 intron n.a. n.a. n.a. 5 166873 166771 C n.a. 12194 S000006499 snRNA n.a. snR14 SNR14 5 167585 167426 C U4 spliceosomal RNA; interacts with U6; snRNA U4 12196 S000000810 ORF Verified YER008C SEC3 5 171817 167807 C Non-essential subunit of the exocyst complex (Sec3p, Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, Exo84p) which mediates targeting of post-Golgi vesicles to sites of active exocytosis; Sec3p specifically is a spatial landmark for secretion 12198 S000000811 ORF Verified YER009W NTF2 5 172114 172491 W Nuclear envelope protein, interacts with GDP-bound Gsp1p and with proteins of the nuclear pore to transport Gsp1p into the nucleus where it is an essential player in nucleocytoplasmic transport 12200 S000000812 ORF Uncharacterized YER010C n.a. 5 173337 172633 C Hypothetical protein 12203 S000000813 ORF Verified YER011W TIR1 5 175247 176011 W Cell wall mannoprotein of the Srp1p/Tip1p family of serine-alanine-rich proteins; expression is downregulated at acidic pH and induced by cold shock and anaerobiosis; abundance is increased in cells cultured without shaking 12206 S000006550 tRNA n.a. tE(UUC)E1 n.a. 5 177098 177169 W tRNA-Glu 12208 S000000814 ORF Verified YER012W PRE1 5 177834 178430 W 20S proteasome beta-type subunit; localizes to the nucleus throughout the cell cycle 12210 S000000815 ORF Verified YER013W PRP22 5 178840 182277 W DEAH-box RNA-dependent ATPase/ATP-dependent RNA helicase, associates with lariat intermediates before the second catalytic step of splicing; mediates ATP-dependent mRNA release from the spliceosome and unwinds RNA duplexes 12212 S000000816 ORF Verified YER014W HEM14 5 182599 184218 W Protoporphyrinogen oxidase, a mitochondrial enzyme that catalyzes the seventh step in the heme biosynthetic pathway, converting protoporphyrinogen IX to protoporphyrin IX 12214 S000000817 ORF Verified YER015W FAA2 5 184540 186774 W Long chain fatty acyl-CoA synthetase; accepts a wider range of acyl chain lengths than Faa1p, preferring C9:0-C13:0; involved in the activation of endogenous pools of fatty acids 12216 S000007590 ORF Uncharacterized YER014C-A BUD25 5 184699 183730 C Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 12219 S000037102 intron n.a. n.a. n.a. 5 184676 184169 C n.a. 12220 S000000818 ORF Verified YER016W BIM1 5 188276 189310 W Microtubule-binding protein that together with Kar9p makes up the cortical microtubule capture site and delays the exit from mitosis when the spindle is oriented abnormally 12222 S000000819 ORF Verified YER017C AFG3 5 191787 189502 C Component, with Yta12p, of the mitochondrial inner membrane m-AAA protease that mediates degradation of misfolded or unassembled proteins and is also required for correct assembly of mitochondrial enzyme complexes 12224 S000000820 ORF Verified YER018C SPC25 5 192623 191958 C Component of the evolutionarily conserved kinetochore-associated Ndc80 complex (Ndc80p-Nuf2p-Spc24p-Spc25p); involved in chromosome segregation, spindle checkpoint activity and kinetochore clustering 12226 S000000821 ORF Verified YER019W ISC1 5 192796 194229 W Inositol phosphosphingolipid phospholipase C, hydrolyzes inositolphosphosphingolipids, activated by phosphatidylserine, cardiolipin, and phosphatidylglycerol, mediates Na+ and Li+ halotolerance, contains a P loop-like domain 12228 S000002127 ORF Verified YER019C-A SBH2 5 194538 194272 C Ssh1p-Sss1p-Sbh2p complex component, involved in protein translocation into the endoplasmic reticulum; homologous to Sbh1p 12230 S000000822 ORF Verified YER020W GPA2 5 195167 196516 W Nucleotide binding alpha subunit of the heterotrimeric G protein that interacts with the receptor Gpr1p, has signaling role in response to nutrients; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 12232 S000000823 ORF Verified YER021W RPN3 5 196947 198518 W Essential, non-ATPase regulatory subunit of the 26S proteasome lid, similar to the p58 subunit of the human 26S proteasome; temperature-sensitive alleles cause metaphase arrest, suggesting a role for the proteasome in cell cycle control 12234 S000000824 ORF Verified YER022W SRB4 5 198811 200874 W subunit of RNA polymerase II holoenzyme/mediator complex 12236 S000000825 ORF Verified YER023W PRO3 5 201075 201935 W Delta 1-pyrroline-5-carboxylate reductase, catalyzes the last step in proline biosynthesis 12238 S000028622 ORF Dubious YER023C-A n.a. 5 201733 201521 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12240 S000000826 ORF Verified YER024W YAT2 5 202191 204962 W Carnitine acetyltransferase; has similarity to Yat1p, which is a carnitine acetyltransferase associated with the mitochondrial outer membrane 12242 S000000827 ORF Verified YER025W GCD11 5 205250 206833 W Gamma subunit of the translation initiation factor eIF2, involved in the identification of the start codon; binds GTP when forming the ternary complex with GTP and tRNAi-Met 12244 S000006593 tRNA n.a. tH(GUG)E1 n.a. 5 207356 207427 W tRNA-His 12246 S000000828 ORF Verified YER026C CHO1 5 208473 207643 C phosphatidylserine synthase 12248 S000000829 ORF Verified YER027C GAL83 5 210231 208978 C One of three possible beta-subunits of the Snf1 kinase complex, allows nuclear localization of the Snf1 kinase complex in the presence of a nonfermentable carbon source; contains glycogen-binding domain 12250 S000000830 ORF Verified YER028C MIG3 5 211875 210691 C Probable transcriptional repressor involved in response to toxic agents such as hydroxyurea that inhibit ribonucleotide reductase; phosphorylation by Snf1p or the Mec1p pathway inactivates Mig3p, allowing induction of damage response genes 12253 S000000831 ORF Verified YER029C SMB1 5 213176 212586 C associated with U1, U2, U4, and U5 snRNPs as part of the Sm-core that is common to all spliceosomal snRNPs; U1 snRNP protein 12255 S000000832 ORF Uncharacterized YER030W n.a. 5 213415 213897 W Hypothetical protein 12257 S000000833 ORF Verified YER031C YPT31 5 214746 214075 C GTPase of the Ypt/Rab family, very similar to Ypt32p; involved in the exocytic pathway; mediates intra-Golgi traffic or the budding of post-Golgi vesicles from the trans-Golgi 12259 S000000834 ORF Verified YER032W FIR1 5 215062 217692 W Protein involved in 3' mRNA processing, interacts with Ref2p; potential Cdc28p substrate 12261 S000000835 ORF Verified YER033C ZRG8 5 221286 218056 C Cytoplasmic protein of unknown function, transcription is induced under conditions of zinc deficiency 12263 S000000836 ORF Uncharacterized YER034W n.a. 5 221845 222402 W Hypothetical protein 12265 S000000837 ORF Verified YER035W EDC2 5 222638 223075 W RNA-binding protein, activates mRNA decapping directly by binding to the mRNA substrate and enhancing the activity of the decapping proteins Dcp1p and Dcp2p 12267 S000000838 ORF Uncharacterized YER036C n.a. 5 225198 223366 C ATPase of the ATP-binding cassette (ABC) family involved in ribosome biogenesis, has similarity to Gcn20p 12269 S000000839 ORF Verified YER037W PHM8 5 225888 226853 W Protein of unknown function, expression is induced by low phosphate levels and by inactivation of Pho85p 12271 S000000840 ORF Verified YER038C KRE29 5 228251 226857 C Essential protein of unknown function; heterozygous mutant shows haploinsufficiency in K1 killer toxin resistance 12273 S000028746 ORF Dubious YER038W-A n.a. 5 228450 228830 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 99% of ORF overlaps the verified gene HVG1; protein product detected in mitochondria 12275 S000000841 ORF Verified YER039C HVG1 5 229204 228455 C Protein of unknown function, has homology to Vrg4p 12277 S000007226 ORF Uncharacterized YER039C-A n.a. 5 229480 229262 C Hypothetical protein 12279 S000000842 ORF Verified YER040W GLN3 5 229794 231986 W Transcriptional activator of genes regulated by nitrogen catabolite repression (NCR), localization and activity regulated by quality of nitrogen source 12281 S000000843 ORF Verified YER041W YEN1 5 232460 234739 W Protein of unknown function, has similarity to endonuclease Rth1p; potentially phosphorylated by Cdc28p 12283 S000000844 ORF Verified YER042W MXR1 5 234936 235490 W Peptide methionine sulfoxide reductase, reverses the oxidation of methionine residues; involved in oxidative damage repair, providing resistance to oxidative stress and regulation of lifespan 12285 S000000845 ORF Verified YER043C SAH1 5 237118 235769 C S-adenosyl-L-homocysteine hydrolase, catabolizes S-adenosyl-L-homocysteine which is formed after donation of the activated methyl group of S-adenosyl-L-methionine (AdoMet) to an acceptor 12287 S000000846 ORF Verified YER044C ERG28 5 238015 237569 C Endoplasmic reticulum membrane protein, may facilitate protein-protein interactions between the Erg26p dehydrogenase and the Erg27p 3-ketoreductase and/or tether these enzymes to the ER, also interacts with Erg6p 12289 S000001954 ORF Verified YER044C-A MEI4 5 239773 238459 C Functions in early recombination; mRNA is meiosis-specific and has 88 bp intron at 5' end spliced independently of MER1. 12292 S000032767 intron n.a. n.a. n.a. 5 239710 239623 C n.a. 12293 S000000847 ORF Verified YER045C ACA1 5 241500 240031 C Basic leucine zipper (bZIP) transcription factor of the ATF/CREB family, may regulate transcription of genes involved in utilization of non-optimal carbon sources 12295 S000000848 ORF Verified YER046W SPO73 5 243179 243610 W Meiosis-specific protein of unknown function, required for spore wall formation during sporulation; dispensible for both nuclear divisions during meiosis 12297 S000028747 ORF Dubious YER046W-A n.a. 5 243699 244028 W Questionable ORF from MIPS 12299 S000000849 ORF Verified YER047C SAP1 5 246502 243809 C Putative ATPase of the AAA family, interacts with the Sin1p transcriptional repressor in the two-hybrid system 12301 S000000850 ORF Verified YER048C CAJ1 5 248156 246981 C Nuclear type II J heat shock protein of the E. coli dnaJ family, contains a leucine zipper-like motif, binds to non-native substrates for presentation to Ssa3p, may function during protein translocation, assembly and disassembly 12306 S000006696 tRNA n.a. tQ(UUG)E1 n.a. 5 250285 250356 W tRNA-Gln 12308 S000007237 ORF Uncharacterized YER048W-A n.a. 5 250717 251001 W Similar to D. melanogaster protein; weaker homology to C. elegans protein with similarity to human cdk7/cyclin H assembly factor 12310 S000000851 ORF Uncharacterized YER049W n.a. 5 251727 253661 W Hypothetical protein 12312 S000000852 ORF Verified YER050C RSM18 5 254578 253970 C Mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S18 ribosomal protein 12314 S000000853 ORF Uncharacterized YER051W n.a. 5 254655 256133 W Hypothetical protein 12316 S000000854 ORF Verified YER052C HOM3 5 257957 256374 C Aspartate kinase (L-aspartate 4-P-transferase); cytoplasmic enzyme that catalyzes the first step in the common pathway for methionine and threonine biosynthesis; expression regulated by Gcn4p and the general control of amino acid synthesis 12319 S000000855 ORF Verified YER053C PIC2 5 259638 258736 C Mitochondrial phosphate carrier, imports inorganic phosphate into mitochondria; functionally redundant with Mir1p but less abundant than Mir1p under normal conditions; expression is induced at high temperature 12321 S000007523 ORF Uncharacterized YER053C-A n.a. 5 261045 260932 C Hypothetical protein 12323 S000000856 ORF Verified YER054C GIP2 5 263697 262051 C Putative regulatory subunit of the protein phosphatase Glc7p, proposed to be involved in glycogen metabolism; contains a conserved motif (GVNK motif) that is also found in Gac1p, Pig1p, and Pig2p 12325 S000000857 ORF Verified YER055C HIS1 5 265784 264891 C ATP phosphoribosyltransferase, a hexameric enzyme, catalyzes the first step in histidine biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts; transcription is regulated by general amino acid control 12327 S000000858 ORF Verified YER056C FCY2 5 268112 266511 C Purine-cytosine permease, mediates purine (adenine, guanine, and hypoxanthine) and cytosine accumulation 12329 S000002135 ORF Verified YER056C-A RPL34A 5 270183 269421 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl34Bp and has similarity to rat L34 ribosomal protein 12332 S000031750 intron n.a. n.a. n.a. 5 270146 269750 C n.a. 12333 S000000859 ORF Verified YER057C HMF1 5 271124 270735 C Member of the p14.5 protein family with similarity to Mmf1p, functionally complements Mmf1p function when targeted to mitochondria; heat shock inducible; high-dosage growth inhibitor; forms a homotrimer in vitro 12335 S000000860 ORF Verified YER058W PET117 5 271766 272089 W Protein required for assembly of cytochrome c oxidase 12337 S000000861 ORF Verified YER059W PCL6 5 272622 273884 W Pho85p cyclin of the Pho80p subfamily; forms the major Glc8p kinase together with Pcl7p and Pho85p; involved in the control of glycogen storage by Pho85p; stabilized by Elongin C binding 12339 S000000862 ORF Verified YER060W FCY21 5 274565 276151 W Putative purine-cytosine permease, very similar to Fcy2p but cannot substitute for its function 12341 S000002958 ORF Verified YER060W-A FCY22 5 276570 278162 W Putative purine-cytosine permease, very similar to Fcy2p but cannot substitute for its function 12343 S000000863 ORF Verified YER061C CEM1 5 279624 278296 C Mitochondrial beta-keto-acyl synthase with possible role in fatty acid synthesis; required for mitochondrial respiration 12345 S000000864 ORF Verified YER062C HOR2 5 280680 279928 C One of two redundant DL-glycerol-3-phosphatases (RHR2/GPP1 encodes the other) involved in glycerol biosynthesis; induced in response to hyperosmotic stress and oxidative stress, and during the diauxic transition 12347 S000000865 ORF Verified YER063W THO1 5 281708 282364 W Protein of unknown function; overproduction suppresses the transcriptional defect caused by an hpr1 mutation 12349 S000000866 ORF Uncharacterized YER064C n.a. 5 284220 282703 C Non-essential nuclear protein; null mutation has global effects on transcription 12351 S000000867 ORF Verified YER065C ICL1 5 286912 285239 C Isocitrate lyase, catalyzes the formation of succinate and glyoxylate from isocitrate, a key reaction of the glyoxylate cycle; expression of ICL1 is induced by growth on ethanol and repressed by growth on glucose 12355 S000006734 tRNA n.a. tS(UGA)E SUP19 5 288522 288441 C tRNA-Ser 12357 S000000868 ORF Uncharacterized YER066W n.a. 5 290240 290797 W Hypothetical protein 12359 S000000869 ORF Uncharacterized YER067W n.a. 5 292064 292549 W Hypothetical protein 12361 S000002959 ORF Dubious YER066C-A n.a. 5 292201 291701 C Hypothetical protein 12363 S000028748 ORF Dubious YER067C-A n.a. 5 292561 292238 C Questionable ORF from MIPS 12365 S000000870 ORF Verified YER068W MOT2 5 293048 294811 W Component of the CCR4-NOT transcription regulatory complex, which represses transcription, at least in part, by inhibiting functional TBP-DNA interactions and also aids in transcription elongation; interacts with C-terminal region of Not1p 12367 S000000871 ORF Verified YER069W ARG5,6 5 295408 297999 W Protein that is processed in the mitochondrion to yield acetylglutamate kinase and N-acetyl-gamma-glutamyl-phosphate reductase, which catalyze the 2nd and 3rd steps in arginine biosynthesis; enzymes form a complex with Arg2p 12369 S000028749 ORF Dubious YER068C-A n.a. 5 295730 295299 C Questionable ORF from MIPS 12371 S000000872 ORF Verified YER070W RNR1 5 298948 301614 W Ribonucleotide-diphosphate reductase (RNR), large subunit; the RNR complex catalyzes the rate-limiting step in dNTP synthesis and is regulated by DNA replication and DNA damage checkpoint pathways via localization of the small subunits 12373 S000000873 ORF Uncharacterized YER071C n.a. 5 302325 301945 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 12375 S000000874 ORF Verified YER072W VTC1 5 302804 303193 W Protein involved in vacuolar maintenance 12377 S000000875 ORF Verified YER073W ALD5 5 304027 305589 W Mitochondrial aldehyde dehydrogenase, involved in regulation or biosynthesis of electron transport chain components and acetate formation; activated by K+; utilizes NADP+ as the preferred coenzyme; constitutively expressed 12379 S000000876 ORF Verified YER074W RPS24A 5 306319 307192 W Protein component of the small (40S) ribosomal subunit; identical to Rps24Bp and has similarity to rat S24 ribosomal protein 12382 S000036671 intron n.a. n.a. n.a. 5 306322 306787 W n.a. 12383 S000007651 ORF Verified YER074W-A YOS1 5 307649 308119 W Integral membrane protein required for ER to Golgi transport; localized to the Golgi, the ER, and COPII vesicles; interacts with Yip1p and Yif1p 12387 S000037344 intron n.a. n.a. n.a. 5 307743 307844 W n.a. 12388 S000037345 intron n.a. n.a. n.a. 5 307953 308063 W n.a. 12389 S000000877 ORF Verified YER075C PTP3 5 311195 308409 C Phosphotyrosine-specific protein phosphatase involved in the inactivation of mitogen-activated protein kinase (MAPK) during osmolarity sensing; dephosporylates Hog1p MAPK and regulates its localization; localized to the cytoplasm 12391 S000006522 tRNA n.a. tA(UGC)E n.a. 5 312091 312019 C tRNA-Ala 12394 S000028750 ORF Dubious YER076W-A n.a. 5 313386 313733 W Questionable ORF from MIPS 12396 S000000878 ORF Uncharacterized YER076C n.a. 5 313494 312586 C Hypothetical protein 12398 S000000879 ORF Uncharacterized YER077C n.a. 5 316596 314530 C Hypothetical protein 12401 S000000880 ORF Uncharacterized YER078C n.a. 5 318338 316803 C Metallopeptidase, localized to the mitochondrial matrix 12403 S000028546 ORF Uncharacterized YER078W-A n.a. 5 318642 318806 W Identified by fungal homology and RT-PCR 12405 S000000881 ORF Uncharacterized YER079W n.a. 5 318916 319548 W Hypothetical protein 12407 S000000882 ORF Uncharacterized YER080W n.a. 5 319959 321842 W The authentic, non-tagged protein was localized to the mitochondria 12409 S000028751 ORF Dubious YER079C-A n.a. 5 320236 319898 C Hypothetical protein 12411 S000029010 ncRNA n.a. SRG1 SRG1 5 322208 322758 W Non-protein-coding RNA that regulates the transcription of SER3; expression of SRG1 RNA represses expression of its neighboring gene SER3 via a transcription-interference mechanism 12413 S000000883 ORF Verified YER081W SER3 5 322682 324091 W 3-phosphoglycerate dehydrogenase, catalyzes the first step in serine and glycine biosynthesis; isozyme of Ser33p 12415 S000000884 ORF Verified YER082C UTP7 5 325932 324268 C Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 12417 S000000885 ORF Verified YER083C RMD7 5 327027 326170 C Protein required for meiotic nuclear division; appears to function in DNA replication and damage response; may be involved in cell wall function 12419 S000000886 ORF Dubious YER084W n.a. 5 327061 327447 W Hypothetical protein 12421 S000028752 ORF Dubious YER084W-A n.a. 5 327594 328106 W Questionable ORF from MIPS 12423 S000000887 ORF Uncharacterized YER085C n.a. 5 328136 327615 C Hypothetical protein 12425 S000000888 ORF Verified YER086W ILV1 5 328473 330203 W Threonine deaminase, catalyzes the first step in isoleucine biosynthesis; expression is under general amino acid control; ILV1 locus exhibits highly positioned nucleosomes whose organization is independent of known ILV1 regulation 12427 S000000889 ORF Uncharacterized YER087W n.a. 5 330572 332302 W Hypothetical protein 12429 S000028753 ORF Dubious YER087C-A n.a. 5 332364 331813 C Questionable ORF from MIPS 12431 S000002128 ORF Verified YER087C-B SBH1 5 332826 332578 C Beta subunit of the Sec61p ER translocation complex (Sec61p-Sss1p-Sbh1p); involved in protein translocation into the endoplasmic reticulum; homologous to Sbh2p 12433 S000000890 ORF Verified YER088C DOT6 5 335184 333172 C Protein of unknown function, involved in telomeric gene silencing and filamentation 12435 S000028623 ORF Dubious YER088W-B n.a. 5 335923 336069 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12437 S000028754 ORF Dubious YER088C-A n.a. 5 336015 335692 C Questionable ORF from MIPS 12439 S000000891 ORF Verified YER089C PTC2 5 337336 335942 C Type 2C protein phosphatase; dephosphorylates Hog1p to limit maximal osmostress induced kinase activity; dephosphorylates Ire1p to downregulate the unfolded protein response; dephosphorylates Cdc28p; role in DNA checkpoint inactivation 12441 S000000892 ORF Verified YER090W TRP2 5 337945 339468 W Anthranilate synthase, catalyzes the initial step of tryptophan biosynthesis, forms multifunctional hetero-oligomeric anthranilate synthase:indole-3-glycerol phosphate synthase enzyme complex with Trp3p 12443 S000029725 ORF Dubious YER090C-A n.a. 5 338407 338318 C Hypothetical protein 12445 S000000893 ORF Verified YER091C MET6 5 342163 339860 C Cobalamin-independent methionine synthase, involved in amino acid biosynthesis; also called N5-methyltetrahydrofolate homocysteine methyltransferase or 5-methyltetrahydropteroyltriglutamate homocysteine methyltransferase 12447 S000007238 ORF Dubious YER091C-A n.a. 5 342607 342386 C Hypothetical protein 12449 S000000894 ORF Verified YER092W IES5 5 342851 343228 W Protein that associates with the INO80 chromatin remodeling complex under low-salt conditions 12451 S000000895 ORF Verified YER093C TSC11 5 347608 343316 C Subunit of TORC2 (Tor2p-Lst8p-Avo1-Avo2-Tsc11p-Bit61p), a membrane-associated complex that regulates actin cytoskeletal dynamics during polarized growth and cell wall integrity; involved in sphingolipid metabolism; contains a RasGEFN domain 12453 S000002960 ORF Uncharacterized YER093C-A n.a. 5 348396 347908 C Hypothetical protein 12456 S000030867 intron n.a. n.a. n.a. 5 348272 348198 C n.a. 12457 S000000896 ORF Verified YER094C PUP3 5 349342 348725 C Beta subunit of the 20S proteasome involved in ubiquitin-dependent catabolism; human homolog is subunit C10 12459 S000000897 ORF Verified YER095W RAD51 5 349976 351178 W Strand exchange protein, forms a helical filament with DNA that searches for homology; involved in the recombinational repair of double-strand breaks in DNA during vegetative growth and meiosis; homolog of Dmc1p and bacterial RecA protein 12461 S000000898 ORF Verified YER096W SHC1 5 351694 353232 W Sporulation-specific activator of Chs3p (chitin synthase III), required for the synthesis of the chitosan layer of ascospores; has similarity to Skt5p, which activates Chs3p during vegetative growth; transcriptionally induced at alkaline pH 12468 S000006551 tRNA n.a. tE(UUC)E2 n.a. 5 354930 355001 W tRNA-Glu 12470 S000000899 ORF Dubious YER097W n.a. 5 355136 355465 W Hypothetical protein 12472 S000000900 ORF Verified YER098W UBP9 5 355462 357726 W Ubiquitin-specific protease that cleaves ubiquitin-protein fusions 12474 S000000901 ORF Verified YER099C PRS2 5 359057 358101 C 5-phospho-ribosyl-1(alpha)-pyrophosphate synthetase, involved in nucleotide, histidine, and tryptophan biosynthesis; one of a five related enzymes, which are active as heteromultimeric complexes 12476 S000000902 ORF Verified YER100W UBC6 5 359558 360310 W Ubiquitin-conjugating enzyme involved in ER-associated protein degradation; located at the cytosolic side of the ER membrane; tail region contains a transmembrane segment at the C-terminus; substrate of the ubiquitin-proteasome pathway 12478 S000000903 ORF Verified YER101C AST2 5 361790 360498 C Protein that may have a role in targeting of plasma membrane [H+]ATPase (Pma1p) to the plasma membrane, as suggested by analysis of genetic interactions 12480 S000000904 ORF Verified YER102W RPS8B 5 363096 363698 W Protein component of the small (40S) ribosomal subunit; identical to Rps8Bp and has similarity to rat S8 ribosomal protein 12482 S000000905 ORF Verified YER103W SSA4 5 364585 366513 W Heat shock protein that is highly induced upon stress; plays a role in SRP-dependent cotranslational protein-membrane targeting and translocation; member of the HSP70 family; cytoplasmic protein that concentrates in nuclei upon starvation 12484 S000000906 ORF Verified YER104W RTT105 5 366798 367424 W Protein with a role in regulation of Ty1 transposition 12486 S000000907 ORF Verified YER105C NUP157 5 372009 367834 C Abundant subunit of the nuclear pore complex (NPC), present on both sides of the NPC, has similarity to Nup170p 12488 S000000908 ORF Verified YER106W MAM1 5 372322 373230 W Monopolin, kinetochore associated protein involved in chromosome attachment to meiotic spindle 12490 S000028755 ORF Dubious YER107W-A n.a. 5 374390 374710 W Questionable ORF from MIPS 12492 S000000909 ORF Verified YER107C GLE2 5 374541 373444 C Component of the nuclear pore complex required for polyadenylated RNA export but not for protein import, homologous to S. pombe Rae1p 12494 S000000911 ORF Verified YER109C FLO8 5 377610 375211 C Transcription factor required for flocculation, diploid filamentous growth, and haploid invasive growth; genome reference strain S288C and most laboratory strains have a mutation in this gene 12496 S000000912 ORF Verified YER110C KAP123 5 382099 378758 C Karyopherin beta, mediates nuclear import of ribosomal proteins prior to assembly into ribosomes and import of histones H3 and H4; localizes to the nuclear pore, nucleus, and cytoplasm; exhibits genetic interactions with RAI1 12498 S000000913 ORF Verified YER111C SWI4 5 385872 382591 C DNA binding component of the SBF complex (Swi4p-Swi6p), a transcriptional activator that in concert with MBF (Mbp1-Swi6p) regulates late G1-specific transcription of targets including cyclins and genes required for DNA synthesis and repair 12500 S000000914 ORF Verified YER112W LSM4 5 387228 387791 W Component of small nuclear ribonucleoprotein complexes involved in RNA processing, splicing, and decay 12502 S000000915 ORF Uncharacterized YER113C n.a. 5 390048 387928 C Hypothetical protein 12504 S000000916 ORF Verified YER114C BOI2 5 393708 390586 C Protein implicated in polar growth, functionally redundant with Boi1p; interacts with bud-emergence protein Bem1p; contains an SH3 (src homology 3) domain and a PH (pleckstrin homology) domain 12506 S000000917 ORF Verified YER115C SPR6 5 394863 394288 C Protein of unknown function, expressed during sporulation; not required for sporulation, but gene exhibits genetic interactions with other genes required for sporulation 12508 S000000918 ORF Verified YER116C SLX8 5 396168 395344 C Protein containing a RING finger domain that forms a complex with Hex3p; mutant phenotypes and genetic interactions suggest a possible role in resolving recombination intermediates during DNA replication or repair 12510 S000000919 ORF Verified YER117W RPL23B 5 396765 397649 W Protein component of the large (60S) ribosomal subunit, identical to Rpl23Ap and has similarity to E. coli L14 and rat L23 ribosomal proteins 12513 S000033046 intron n.a. n.a. n.a. 5 396807 397277 W n.a. 12514 S000000920 ORF Verified YER118C SHO1 5 399051 397948 C Transmembrane osmosensor, participates in activation of both the Cdc42p- and MAP kinase-dependent filamentous growth pathway and the high-osmolarity glycerol response pathway 12516 S000000921 ORF Verified YER119C AVT6 5 400838 399492 C Vacuolar transporter, exports aspartate and glutamate from the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters 12518 S000000922 ORF Verified YER120W SCS2 5 401131 401865 W Integral ER membrane protein that regulates phospholipid metabolism via an interaction with the FFAT motif of Opi1p, also involved in telomeric silencing, disruption causes inositol auxotrophy above 34 degrees C, VAP homolog 12520 S000002961 ORF Dubious YER119C-A n.a. 5 401234 400863 C Dubious open reading frame, not conserved in closely related Saccharomyces species; deletion mutation blocks replication of Brome mosaic virus in S. cerevisiae, but this is likely due to effects on the overlapping gene SCS2 12522 S000000923 ORF Dubious YER121W n.a. 5 402371 402715 W Hypothetical protein 12524 S000000924 ORF Verified YER122C GLO3 5 404348 402867 C ADP-ribosylation factor GTPase activating protein (ARF GAP), involved in ER-Golgi transport; shares functional similarity with Gcs1p 12526 S000000925 ORF Verified YER123W YCK3 5 404809 406383 W Palmitoylated, vacuolar membrane-localized casein kinase I isoform; negatively regulates vacuole fusion during hypertonic stress via phosphorylation of the HOPS complex subunit, Vps41p; shares overlapping essential functions with Hrr25p 12529 S000000926 ORF Verified YER124C DSE1 5 409059 407338 C Daughter cell-specific protein, may participate in pathways regulating cell wall metabolism; deletion affects cell separation after division and sensitivity to drugs targeted against the cell wall 12531 S000000927 ORF Verified YER125W RSP5 5 410185 412614 W Ubiquitin-protein ligase involved in ubiquitin-mediated protein degradation; plays a role in heat shock element (HSE)-mediated gene expression and multivesicular body sorting; contains a hect (homologous to E6-AP carboxyl terminus) domain 12533 S000000928 ORF Verified YER126C NSA2 5 414175 413390 C Constituent of 66S pre-ribosomal particles, involved in 60S ribosomal subunit biogenesis 12535 S000000929 ORF Verified YER127W LCP5 5 414477 415550 W Essential protein involved in maturation of 18S rRNA; depletion leads to inhibited pre-rRNA processing and reduced polysome levels; localizes primarily to the nucleolus 12537 S000000930 ORF Uncharacterized YER128W n.a. 5 415855 416466 W Hypothetical protein 12539 S000000931 ORF Verified YER129W n.a. 5 417277 420705 W Upstream kinase for the SNF1 complex; partially redundant function with Elm1p and Tos3p; members of this family of kinases have functional orthology with LKB1, a mammalian kinase associated with Peutz-Jeghers cancer-susceptibility syndrome 12541 S000000932 ORF Uncharacterized YER130C n.a. 5 422442 421111 C Hypothetical protein 12543 S000000933 ORF Verified YER131W RPS26B 5 423948 424307 W Protein component of the small (40S) ribosomal subunit; nearly identical to Rps26Ap and has similarity to rat S26 ribosomal protein 12545 S000006493 snoRNA n.a. snR4 SNR4 5 424694 424879 W small nucleolar RNA snR4 12547 S000000934 ORF Verified YER132C PMD1 5 430445 425184 C Protein with an N-terminal kelch-like domain, putative negative regulator of early meiotic gene expression; required, with Mds3p, for growth under alkaline conditions 12549 S000006443 snoRNA n.a. snR52 SNR52 5 431216 431125 C Small nucleolar RNA that guides the formation of 2'-O-methylation at position A420 of the small ribosomal subunit rRNA and U2921 of the large ribosomal subunit 35S pre-rRNA 12552 S000000935 ORF Verified YER133W GLC7 5 432491 433954 W Catalytic subunit of type 1 serine/threonine protein phosphatase, involved in many processes including glycogen metabolism, sporulation, and mitosis; interacts with multiple regulatory subunits; predominantly isolated with Sds22p 12555 S000032309 intron n.a. n.a. n.a. 5 432668 433192 W n.a. 12556 S000006594 tRNA n.a. tH(GUG)E2 n.a. 5 434608 434537 C tRNA-His 12560 S000006619 tRNA n.a. tK(CUU)E2 n.a. 5 435820 435748 C tRNA-Lys 12564 S000028756 ORF Dubious YER133W-A n.a. 5 437187 437528 W Questionable ORF from MIPS 12566 S000000936 ORF Uncharacterized YER134C n.a. 5 437799 437263 C Hypothetical protein 12568 S000000937 ORF Dubious YER135C n.a. 5 438340 437948 C Hypothetical protein 12570 S000006753 tRNA n.a. tV(AAC)E1 n.a. 5 438696 438769 W tRNA-Val 12573 S000000938 ORF Verified YER136W GDI1 5 439612 440967 W GDP dissociation inhibitor, regulates vesicle traffic in secretory pathways by regulating the dissociation of GDP from the Sec4/Ypt/rab family of GTP binding proteins 12575 S000028757 ORF Dubious YER137W-A n.a. 5 441571 441876 W Questionable ORF from MIPS 12577 S000000939 ORF Uncharacterized YER137C n.a. 5 441815 441369 C Hypothetical protein 12579 S000006491 ncRNA n.a. SCR1 SCR1 5 441983 442504 W small cytoplasmic RNA 1 12583 S000006602 tRNA n.a. tI(AAU)E1 n.a. 5 443271 443198 C tRNA-Ile 12595 S000007239 ORF Uncharacterized YER138W-A n.a. 5 449470 449574 W Similar to TyB and TyA 12597 S000000941 ORF Uncharacterized YER139C n.a. 5 451238 450558 C Hypothetical protein 12599 S000000942 ORF Uncharacterized YER140W n.a. 5 451560 453230 W Hypothetical protein 12601 S000000943 ORF Verified YER141W COX15 5 453454 454914 W Protein required for the hydroxylation of heme O to form heme A, which is an essential prosthetic group for cytochrome c oxidase 12603 S000000944 ORF Verified YER142C MAG1 5 456031 455141 C 3-methyl-adenine DNA glycosylase involved in protecting DNA against alkylating agents; initiates base excision repair by removing damaged bases to create abasic sites that are subsequently repaired 12605 S000000945 ORF Verified YER143W DDI1 5 456314 457600 W DNA damage-inducible v-SNARE binding protein, contains a ubiquitin-associated (UBA) domain, may act as a negative regulator of constitutive exocytosis, may play a role in S-phase checkpoint control 12607 S000000946 ORF Verified YER144C UBP5 5 460218 457801 C Putative ubiquitin-specific protease that does not associate with the proteasome 12609 S000000947 ORF Verified YER145C FTR1 5 461735 460521 C High affinity iron permease involved in the transport of iron across the plasma membrane; forms complex with Fet3p; expression is regulated by iron 12611 S000000948 ORF Verified YER146W LSM5 5 462580 462861 W Component of small nuclear ribonucleoprotein complexes involved in RNA processing, splicing, and decay 12613 S000028758 ORF Dubious YER145C-A n.a. 5 462818 462381 C Questionable ORF from MIPS 12615 S000000949 ORF Verified YER147C SCC4 5 464837 462963 C Subunit of cohesin loading factor (Scc2p-Scc4p), a complex required for the loading of cohesin complexes onto chromosomes; involved in establishing sister chromatid cohesion during double-strand break repair via phosphorylated histone H2AX 12617 S000000950 ORF Verified YER148W SPT15 5 465298 466020 W TATA-binding protein, general transcription factor that interacts with other factors to form the preinitiation complex at promoters, essential for viability 12619 S000028759 ORF Dubious YER147C-A n.a. 5 465608 465198 C Hypothetical protein 12621 S000028760 ORF Dubious YER148W-A n.a. 5 466180 466758 W Questionable ORF from MIPS 12623 S000000951 ORF Verified YER149C PEA2 5 467465 466203 C Coiled-coil polarisome protein required for polarized morphogenesis, cell fusion, and low affinity Ca2+ influx; forms polarisome complex with Bni1p, Bud6p, and Spa2p; localizes to sites of polarized growth 12625 S000000952 ORF Verified YER150W SPI1 5 468365 468811 W GPI-anchored, serine/threonine rich cell wall protein of unknown function; basal expression requires Msn2p/Msn4p; expression is induced under conditions of stress and during the diauxic shift; similar to Sed1p 12627 S000006754 tRNA n.a. tV(AAC)E2 n.a. 5 469452 469525 W tRNA-Val 12629 S000000953 ORF Verified YER151C UBP3 5 472419 469681 C Ubiquitin-specific protease that interacts with Bre5p to co-regulate anterograde and retrograde transport between endoplasmic reticulum and Golgi compartments; inhibitor of gene silencing; cleaves ubiquitin fusions but not polyubiquitin 12631 S000028761 ORF Dubious YER152W-A n.a. 5 473480 474046 W Questionable ORF from MIPS 12633 S000000954 ORF Uncharacterized YER152C n.a. 5 473983 472652 C Hypothetical protein 12635 S000000955 ORF Verified YER153C PET122 5 474800 474036 C Specific translational activator for the COX3 mRNA that acts together with Pet54p and Pet494p; located in the mitochondrial inner membrane 12637 S000000956 ORF Verified YER154W OXA1 5 475015 476223 W Translocase of the mitochondrial inner membrane, mediates the insertion of both mitochondrial- and nuclear-encoded proteins from the matrix into the inner membrane, interacts with mitochondrial ribosomes; null is respiratory deficient 12639 S000000957 ORF Verified YER155C BEM2 5 482843 476340 C Rho GTPase activating protein (RhoGAP) involved in the control of cytoskeleton organization and cellular morphogenesis; required for bud emergence 12641 S000000958 ORF Uncharacterized YER156C n.a. 5 484336 483320 C Hypothetical protein 12643 S000000959 ORF Verified YER157W COG3 5 484783 487188 W Essential component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments 12645 S000006552 tRNA n.a. tE(UUC)E3 n.a. 5 487397 487326 C tRNA-Glu 12648 S000000960 ORF Uncharacterized YER158C n.a. 5 490573 488852 C Protein of unknown function, has similarity to Afr1p; potentially phosphorylated by Cdc28p 12650 S000028624 ORF Dubious YER158W-A n.a. 5 491482 491697 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12652 S000000961 ORF Verified YER159C BUR6 5 491953 491525 C Protein that forms a heterodimeric histone-fold NC2 general transcription regulator complex with Ydr1p that binds to TBP and represses RNA pol II transcription during assembly of the preinitiation complex, homologous to human NC2alpha 12654 S000006701 tRNA n.a. tR(ACG)E n.a. 5 492419 492347 C tRNA-Arg 12666 S000000963 ORF Verified YER161C SPT2 5 500343 499342 C Protein involved in negative regulation of transcription, exhibits regulated interactions with both histones and SWI-SNF components, has similarity to mammalian HMG1 proteins 12668 S000000964 ORF Verified YER162C RAD4 5 502889 500625 C Protein that recognizes and binds damaged DNA (with Rad23p) during nucleotide excision repair; subunit of Nuclear Excision Repair Factor 2 (NEF2); homolog of human XPC protein 12670 S000000965 ORF Uncharacterized YER163C n.a. 5 503777 503079 C Hypothetical protein 12672 S000000966 ORF Verified YER164W CHD1 5 505387 509793 W Sole S. cerevisiae member of CHD gene family containing Chromodomain, Helicase domain, and DNA-binding domain; transcriptional regulator 12674 S000000967 ORF Verified YER165W PAB1 5 510368 512101 W Poly(A) binding protein, part of the 3'-end RNA-processing complex, mediates interactions between the 5' cap structure and the 3' mRNA poly(A) tail, involved in control of poly(A) tail length, interacts with translation factor eIF-4G 12676 S000000968 ORF Verified YER166W DNF1 5 512739 517454 W Non-essential P-type ATPase that is a potential aminophospholipid translocase, localizes to the plasma membrane and late exocytic or early endocytic membranes, likely involved in protein transport 12678 S000028762 ORF Dubious YER165C-A n.a. 5 512978 512622 C Questionable ORF from MIPS 12680 S000000969 ORF Verified YER167W BCK2 5 518211 520766 W Protein rich in serine and threonine residues involved in protein kinase C signaling pathway, which controls cell integrity; overproduction suppresses pkc1 mutations 12683 S000000970 ORF Verified YER168C CCA1 5 522664 521024 C tRNA nucleotidyltransferase (tRNA CCA-pyrophosphorylase) 12685 S000000971 ORF Verified YER169W RPH1 5 523364 525754 W Transcriptional repressor of PHR1, which is a photolyase induced by DNA damage; binds to AG(4) (C(4)T) sequence upstream of PHR1; Rph1p phosphorylation during DNA damage is under control of the MEC1-RAD53 pathway 12687 S000000972 ORF Verified YER170W ADK2 5 525969 526646 W Mitochondrial adenylate kinase, catalyzes the reversible synthesis of GTP and AMP from GDP and ADP; may serve as a back-up for synthesizing GTP or ADP depending on metabolic conditions; 3' sequence of ADK2 varies with strain background 12689 S000000973 ORF Verified YER171W RAD3 5 527077 529413 W 5' to 3' DNA helicase, involved in nucleotide excision repair and transcription; subunit of RNA polymerase II transcription initiation factor TFIIH; subunit of Nucleotide Excision Repair Factor 3 (NEF3); homolog of human XPD protein 12691 S000000974 ORF Verified YER172C BRR2 5 536016 529525 C RNA-dependent ATPase RNA helicase involved in the facilitation and disruption of snRNA interactions, required for disruption of U4/U6 base-pairing in native snRNPs to activate the spliceosome for catalysis 12693 S000000975 ORF Verified YER173W RAD24 5 536295 538274 W Checkpoint protein, involved in the activation of the DNA damage and meiotic pachytene checkpoints; subunit of a clamp loader that loads Rad17p-Mec3p-Ddc1p onto DNA; homolog of human and S. pombe Rad17 protein 12695 S000028763 ORF Dubious YER172C-A n.a. 5 536650 536270 C Questionable ORF from MIPS 12697 S000000976 ORF Verified YER174C GRX4 5 539163 538429 C Hydroperoxide and superoxide-radical responsive glutathione-dependent oxidoreductase; monothiol glutaredoxin subfamily member along with Grx3p and Grx5p; protects cells from oxidative damage 12699 S000000977 ORF Verified YER175C TMT1 5 540358 539459 C Trans-aconitate methyltransferase, cytosolic enzyme that catalyzes the methyl esterification of 3-isopropylmalate, an intermediate of the leucine biosynthetic pathway, and trans-aconitate, which inhibits the citric acid cycle 12701 S000028625 ORF Uncharacterized YER175W-A n.a. 5 540645 540809 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12703 S000000978 ORF Verified YER176W ECM32 5 541685 545050 W DNA dependent ATPase/DNA helicase belonging to the Dna2p- and Nam7p-like family of helicases that is involved in modulating translation termination; interacts with the translation termination factors, localized to polysomes 12705 S000000979 ORF Verified YER177W BMH1 5 545606 546409 W 14-3-3 protein, major isoform; binds proteins and DNA, involved in regulation of many processes including exocytosis and vesicle transport, Ras/MAPK signaling during pseudohyphal development, rapamycin-sensitive signaling, and others 12707 S000000980 ORF Verified YER178W PDA1 5 546812 548074 W E1 alpha subunit of the pyruvate dehydrogenase (PDH) complex, catalyzes the direct oxidative decarboxylation of pyruvate to acetyl-CoA, regulated by glucose 12709 S000000981 ORF Verified YER179W DMC1 5 548416 549512 W Meiosis-specific protein required for repair of double-strand breaks and pairing between homologous chromosomes; homolog of Rad51p and the bacterial RecA protein 12712 S000033130 intron n.a. n.a. n.a. 5 548548 548639 W n.a. 12714 S000000982 ORF Verified YER180C ISC10 5 550522 549719 C Protein required for sporulation, transcript is induced 7.5 hours after induction of meiosis, expected to play significant role in the formation of reproductive cells 12716 S000028437 ORF Verified YER180C-A SLO1 5 551117 550860 C SCOCO like ORF 12718 S000006603 tRNA n.a. tI(AAU)E2 n.a. 5 551353 551280 C tRNA-Ile 12721 S000000983 ORF Dubious YER181C n.a. 5 551791 551468 C Hypothetical protein 12724 S000000984 ORF Uncharacterized YER182W n.a. 5 552520 553254 W The authentic, non-tagged protein was localized to the mitochondria 12726 S000000985 ORF Verified YER183C FAU1 5 553964 553329 C 5,10-methenyltetrahydrofolate synthetase, involved in folic acid biosynthesis 12728 S000000986 ORF Uncharacterized YER184C n.a. 5 558675 556291 C Hypothetical protein 12730 S000000987 ORF Uncharacterized YER185W n.a. 5 559449 560360 W Hypothetical protein 12732 S000000988 ORF Uncharacterized YER186C n.a. 5 562620 561700 C Hypothetical protein 12735 S000000989 ORF Uncharacterized YER187W n.a. 5 566225 566650 W Hypothetical protein 12737 S000000990 ORF Dubious YER188W n.a. 5 568035 568754 W Hypothetical protein 12745 S000028764 ORF Uncharacterized YER188C-A n.a. 5 569902 569603 C ORF, Uncharacterized 12751 S000000991 ORF Uncharacterized YER189W n.a. 5 571150 571518 W Hypothetical protein 12753 S000000992 ORF Verified YER190W YRF1-2 5 571475 576520 W Helicase encoded by the Y' element of subtelomeric regions, highly expressed in the mutants lacking the telomerase component TLC1; potentially phosphorylated by Cdc28p 12755 S000028626 ORF Dubious YER190C-A n.a. 5 575374 574799 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12757 S000028627 ORF Dubious YER190C-B n.a. 5 576157 575675 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12760 S000001826 ORF Uncharacterized YFL068W n.a. 6 53 535 W Hypothetical protein 12762 S000001827 ORF Uncharacterized YFL067W n.a. 6 836 1363 W Hypothetical protein 12764 S000001828 ORF Uncharacterized YFL066C n.a. 6 2615 1437 C Hypothetical protein 12766 S000001829 ORF Uncharacterized YFL065C n.a. 6 3338 3030 C Hypothetical protein 12768 S000001830 ORF Uncharacterized YFL064C n.a. 6 3846 3322 C Hypothetical protein 12773 S000001831 ORF Dubious YFL063W n.a. 6 5066 5521 W Hypothetical protein 12779 S000001832 ORF Verified YFL062W COS4 6 6426 7565 W Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 12781 S000001833 ORF Uncharacterized YFL061W n.a. 6 9545 10222 W Hypothetical protein 12783 S000001834 ORF Verified YFL060C SNO3 6 10969 10301 C Protein of unknown function, nearly identical to Sno2p; expression is induced before the diauxic shift and also in the absence of thiamin 12785 S000001835 ORF Verified YFL059W SNZ3 6 11363 12259 W Member of a stationary phase-induced gene family; transcription of SNZ2 is induced prior to diauxic shift, and also in the absence of thiamin in a Thi2p-dependent manner; forms a coregulated gene pair with SNO3 12787 S000001836 ORF Verified YFL058W THI5 6 12929 13951 W Protein involved in synthesis of the thiamine precursor hydroxymethylpyrimidine (HMP); member of a subtelomeric gene family including THI5, THI11, THI12, and THI13 12789 S000001837 ORF Verified YFL057C AAD16 6 14763 14305 C Putative aryl-alcohol dehydrogenase with similarity to P. chrysosporium aryl-alcohol dehydrogenase; mutational analysis has not yet revealed a physiological role 12791 S000001838 ORF Verified YFL056C AAD6 6 15431 14793 C Putative aryl-alcohol dehydrogenase with similarity to P. chrysosporium aryl-alcohol dehydrogenase, involved in the oxidative stress response 12793 S000001839 ORF Uncharacterized YFL055W AGP3 6 17004 18680 W Low-affinity amino acid permease, may act to supply the cell with amino acids as nitrogen source in nitrogen-poor conditions; transcription is induced under conditions of sulfur limitation 12795 S000001840 ORF Uncharacterized YFL054C n.a. 6 22787 20847 C Hypothetical protein 12797 S000001841 ORF Verified YFL053W DAK2 6 23423 25198 W Dihydroxyacetone kinase, required for detoxification of dihydroxyacetone (DHA); involved in stress adaptation 12799 S000001842 ORF Uncharacterized YFL052W n.a. 6 28232 29629 W Hypothetical protein 12801 S000001843 ORF Uncharacterized YFL051C n.a. 6 30540 30058 C Hypothetical protein 12805 S000001844 ORF Verified YFL050C ALR2 6 35848 33272 C Probable Mg(2+) transporter; overexpression confers increased tolerance to Al(3+) and Ga(3+) ions 12807 S000001845 ORF Uncharacterized YFL049W n.a. 6 36803 38674 W Hypothetical protein 12809 S000001846 ORF Verified YFL048C EMP47 6 40180 38843 C Integral membrane component of endoplasmic reticulum-derived COPII-coated vesicles, which function in ER to Golgi transport 12811 S000001847 ORF Verified YFL047W RGD2 6 40421 42565 W GTPase-activating protein (RhoGAP) for Cdc42p and Rho5p 12813 S000001848 ORF Uncharacterized YFL046W n.a. 6 42815 43438 W The authentic, non-tagged protein was localized to the mitochondria 12815 S000001849 ORF Verified YFL045C SEC53 6 44392 43628 C Phosphomannomutase, involved in synthesis of GDP-mannose and dolichol-phosphate-mannose; required for folding and glycosylation of secretory proteins in the ER lumen 12817 S000001850 ORF Uncharacterized YFL044C n.a. 6 45560 44655 C Protein of unknown function, proposed to act as a deubiquitinating (DUB) enzyme and/or transcription factor; contains a C2H2-type DNA-binding Zn finger domain; has similarity to the ovarian tumor (OTU) superfamily of cysteine proteases 12819 S000001852 ORF Uncharacterized YFL042C n.a. 6 47744 45720 C Due to a sequence change (deletion of G at 46151), YFL043C is now part of YFL042C. 12821 S000028547 ORF Uncharacterized YFL041W-A n.a. 6 48734 48925 W Identified by fungal homology and RT-PCR 12823 S000001853 ORF Verified YFL041W FET5 6 49139 51007 W Multicopper oxidase, integral membrane protein with similarity to Fet3p; may have a role in iron transport 12825 S000001854 ORF Uncharacterized YFL040W n.a. 6 51350 52972 W Hypothetical protein 12827 S000001855 ORF Verified YFL039C ACT1 6 54695 53260 C Actin, structural protein involved in cell polarization, endocytosis, and other cytoskeletal functions 12830 S000034733 intron n.a. n.a. n.a. 6 54685 54378 C n.a. 12831 S000001856 ORF Verified YFL038C YPT1 6 55985 55365 C Ras-like small GTPase, involved in the ER-to-Golgi step of the secretory pathway; complex formation with the Rab escort protein Mrs6p is required for prenylation of Ypt1p by protein geranylgeranyltransferase type II (Bet2p-Bet4p) 12833 S000001857 ORF Verified YFL037W TUB2 6 56335 57708 W Beta-tubulin; associates with alpha-tubulin (Tub1p and Tub3p) to form tubulin dimer, which polymerizes to form microtubules 12835 S000001858 ORF Verified YFL036W RPO41 6 58781 62836 W Mitochondrial RNA polymerase; single subunit enzyme similar to those of T3 and T7 bacteriophages; requires a specificity subunit encoded by MTF1 for promoter recognition 12837 S000001859 ORF Verified YFL034C-B MOB2 6 63992 63015 C Component of the RAM signaling network, localizes and activates the Ace2p in the daughter cell nucleus to direct daughter cell-specific transcription of several genes involved in cell separation; Mob1p-like protein 12840 S000036509 intron n.a. n.a. n.a. 6 63972 63859 C n.a. 12841 S000006436 ORF Verified YFL034C-A RPL22B 6 64931 64242 C Protein component of the large (60S) ribosomal subunit, has similarity to Rpl22Ap and to rat L22 ribosomal protein 12844 S000036496 intron n.a. n.a. n.a. 6 64919 64599 C n.a. 12845 S000001860 ORF Uncharacterized YFL034W n.a. 6 65475 68696 W Possible integral membrane protein that interacts with Rpp0p, which is a component of the ribosomal stalk 12848 S000001861 ORF Verified YFL033C RIM15 6 74425 69113 C Glucose-repressible protein kinase involved in signal transduction during cell proliferation in response to nutrients, specifically the establishment of stationary phase; originally identified as a regulator of IME2 12850 S000001862 ORF Dubious YFL032W n.a. 6 74870 75190 W Hypothetical protein 12852 S000001863 ORF Verified YFL031W HAC1 6 75177 76145 W bZIP transcription factor (ATF/CREB1 homolog) that regulates the unfolded protein response, via UPRE binding, and membrane biogenesis; ER stress-induced splicing pathway utilizing Ire1p, Trl1p and Ada5p facilitates efficient Hac1p synthesis 12855 S000031640 intron n.a. n.a. n.a. 6 75838 76089 W n.a. 12856 S000028629 ORF Dubious YFL031C-A n.a. 6 76113 76012 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12858 S000001864 ORF Verified YFL030W AGX1 6 76829 77986 W Alanine : glyoxylate aminotransferase, catalyzes the synthesis of glycine from glyoxylate, which is one of three pathways for glycine biosynthesis in yeast; has similarity to mammalian and plant alanine : glyoxylate aminotransferases 12860 S000001865 ORF Verified YFL029C CAK1 6 79159 78053 C Cyclin-dependent kinase-activating kinase required for passage through the cell cycle, phosphorylates and activates Cdc28p; nucleotide-binding pocket differs significantly from those of most other protein kinases 12862 S000001866 ORF Verified YFL028C CAF16 6 80211 79342 C Part of the evolutionarily-conserved CCR4-NOT transcriptional regulatory complex involved in controlling mRNA initiation, elongation, and degradation; putative ABC ATPase; interacts with Ssn2p, Ssn3p, and Ssn8p 12864 S000001867 ORF Verified YFL027C GYP8 6 81910 80417 C GTPase-activating protein for yeast Rab family members; Ypt1p is the preferred in vitro substrate but also acts on Sec4p, Ypt31p and Ypt32p; involved in the regulation of ER to Golgi vesicle transport 12866 S000001868 ORF Verified YFL026W STE2 6 82578 83873 W Receptor for alpha-factor pheromone; seven transmembrane-domain GPCR that interacts with both pheromone and a heterotrimeric G protein to initiate the signaling response that leads to mating between haploid a and alpha cells 12868 S000001869 ORF Verified YFL025C BST1 6 87232 84143 C GPI inositol deacylase of the ER that negatively regulates COPII vesicle formation, prevents production of vesicles with defective subunits, required for proper discrimination between resident ER proteins and Golgi-bound cargo molecules 12870 S000001870 ORF Verified YFL024C EPL1 6 90343 87845 C Component of NuA4, which is an essential histone H4/H2A acetyltransferase complex; homologous to Drosophila Enhancer of Polycomb 12872 S000001871 ORF Verified YFL023W BUD27 6 90984 93374 W Protein involved in bud-site selection, nutrient signaling, and gene expression controlled by the TOR kinase; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 12874 S000001872 ORF Verified YFL022C FRS2 6 95008 93497 C Alpha subunit of cytoplasmic phenylalanyl-tRNA synthetase, forms a tetramer with Frs1p to form active enzyme; evolutionarily distant from mitochondrial phenylalanyl-tRNA synthetase based on protein sequence, but substrate binding is similar 12876 S000001873 ORF Verified YFL021W GAT1 6 95964 97496 W Transcriptional activator of genes involved in nitrogen catabolite repression, member of the GATA family of DNA binding proteins; activity and localization regulated by nitrogen limitation and Ure2p 12878 S000028766 ORF Dubious YFL021C-A n.a. 6 96613 95759 C Questionable ORF from MIPS 12880 S000001874 ORF Verified YFL020C PAU5 6 99593 99225 C Part of 23-member seripauperin multigene family encoded mainly in subtelomeric regions, active during alcoholic fermentation, regulated by anaerobiosis, negatively regulated by oxygen, repressed by heme 12883 S000001875 ORF Dubious YFL019C n.a. 6 100599 100246 C Hypothetical protein 12885 S000006681 tRNA n.a. tP(UGG)F SUF9 6 101370 101472 W tRNA-Pro 12886 S000035980 intron n.a. n.a. n.a. 6 101406 101436 W n.a. 12889 S000001876 ORF Verified YFL018C LPD1 6 103121 101622 C Dihydrolipoamide dehydrogenase, the lipoamide dehydrogenase component (E3) of the pyruvate dehydrogenase and 2-oxoglutarate dehydrogenase multi-enzyme complexes 12891 S000002965 ORF Verified YFL017W-A SMX2 6 103693 103926 W snRNP G protein (the homologue of the human Sm-G) 12893 S000001877 ORF Verified YFL017C GNA1 6 104456 103977 C Evolutionarily conserved glucosamine-6-phosphate acetyltransferase required for multiple cell cycle events including passage through START, DNA synthesis, and mitosis; involved in UDP-N-acetylglucosamine synthesis, forms GlcNAc6P from AcCoA 12895 S000001878 ORF Verified YFL016C MDJ1 6 106230 104695 C Protein involved in folding of mitochondrially synthesized proteins in the mitochondrial matrix; localizes to the mitochondrial inner membrane; member of the DnaJ family of molecular chaperones 12897 S000028765 ORF Dubious YFL015W-A n.a. 6 106409 106726 W Questionable ORF from MIPS 12899 S000001879 ORF Dubious YFL015C n.a. 6 106957 106463 C Hypothetical protein 12901 S000001880 ORF Verified YFL014W HSP12 6 107250 107579 W Plasma membrane localized protein that protects membranes from desiccation; induced by heat shock, oxidative stress, osmostress, stationary phase entry, glucose depletion, oleate and alcohol; regulated by the HOG and Ras-Pka pathways 12903 S000028628 ORF Dubious YFL013W-A n.a. 6 107793 108596 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 12905 S000002964 ORF Dubious YFL012W-A n.a. 6 109804 110178 W Hypothetical protein 12907 S000001881 ORF Verified YFL013C IES1 6 109924 107846 C Subunit of the INO80 chromatin remodeling complex 12909 S000001882 ORF Uncharacterized YFL012W n.a. 6 110641 111087 W Hypothetical protein 12911 S000001883 ORF Verified YFL011W HXT10 6 112339 113979 W Putative hexose transporter, expressed at low levels and expression is repressed by glucose 12913 S000001955 ORF Verified YFL010W-A AUA1 6 114984 115268 W Protein required for the negative regulation by ammonia of Gap1p, which is a general amino acid permease 12915 S000001884 ORF Verified YFL010C WWM1 6 115737 115102 C WW domain containing protein interacting with Metacaspase (MCA1) 12917 S000001885 ORF Verified YFL009W CDC4 6 116139 118478 W F-box protein required for G1/S and G2/M transition, associates with Skp1p and Cdc53p to form a complex, SCFCdc4, which acts as ubiquitin-protein ligase directing ubiquitination of the phosphorylated CDK inhibitor Sic1p 12920 S000001886 ORF Verified YFL008W SMC1 6 119424 123101 W Subunit of the multiprotein cohesin complex, essential protein involved in chromosome segregation and in double-strand DNA break repair; SMC chromosomal ATPase family member, binds DNA with a preference for DNA with secondary structure 12922 S000001887 ORF Verified YFL007W BLM3 6 123474 129905 W Protein involved in assembly of proteasomal core particles in the nucleus; required for normal resistance to bleomycin, may be involved in protection against oxidative damage 12925 S000001889 ORF Verified YFL005W SEC4 6 130329 130976 W Secretory vesicle-associated Rab GTPase essential for exocytosis; associates with the exocyst component Sec15p and may regulate polarized delivery of transport vesicles to the exocyst at the plasma membrane 12927 S000001890 ORF Verified YFL004W VTC2 6 131805 134291 W Phosphate metabolism; transcription is regulated by PHO system; polyphosphate synthetase (putative) 12930 S000001891 ORF Verified YFL003C MSH4 6 137152 134516 C Protein involved in meiotic recombination, required for normal levels of crossing over, colocalizes with Zip2p to discrete foci on meiotic chromosomes, has homology to bacterial MutS protein 12932 S000006669 tRNA n.a. tN(GUU)F n.a. 6 137554 137481 C tRNA-Asn 12947 S000001894 ORF Verified YFL002C SPB4 6 146929 145109 C Putative ATP-dependent RNA helicase, nucleolar protein required for synthesis of 60S ribosomal subunits at a late step in the pathway; sediments with 66S pre-ribosomes in sucrose gradients 12949 S000001895 ORF Verified YFL001W DEG1 6 147126 148454 W Non-essential tRNA:pseudouridine synthase, introduces pseudouridines at position 38 or 39 in tRNA, important for maintenance of translation efficiency and normal cell growth, localizes to both the nucleus and cytoplasm 12955 S000001897 ORF Verified YFR001W LOC1 6 149105 149719 W Nuclear protein involved in asymmetric localization of ASH1 mRNA; binds double-stranded RNA in vitro; constituent of 66S pre-ribosomal particles 12957 S000001898 ORF Verified YFR002W NIC96 6 150011 152530 W Component of the nuclear pore complex, required for nuclear pore formation; forms a subcomplex with Nsp1p, Nup57p, and Nup49p 12959 S000001899 ORF Verified YFR003C YPI1 6 153119 152652 C Inhibitor of the type I protein phosphatase Glc7p, which is involved in regulation of a variety of metabolic processes; overproduction causes decreased cellular content of glycogen 12961 S000001900 ORF Verified YFR004W RPN11 6 153388 154308 W Metalloprotease subunit of the 19S regulatory particle of the 26S proteasome lid; couples the deubiquitination and degradation of proteasome substrates 12963 S000001901 ORF Verified YFR005C SAD1 6 155868 154522 C Conserved zinc-finger domain protein involved in pre-mRNA splicing, required for assembly of U4 snRNA into the U4/U6 particle 12965 S000001902 ORF Uncharacterized YFR006W n.a. 6 156139 157746 W Hypothetical protein 12967 S000006564 tRNA n.a. tF(GAA)F n.a. 6 158001 157910 C tRNA-Phe 12968 S000035384 intron n.a. n.a. n.a. 6 157964 157946 C n.a. 12972 S000001903 ORF Uncharacterized YFR007W n.a. 6 159293 160354 W Hypothetical protein 12974 S000001904 ORF Verified YFR008W FAR7 6 160529 161194 W Protein involved in G1 cell cycle arrest in response to pheromone, in a pathway different from the Far1p-dependent pathway; interacts with Far3p, Far8p, Far9p, Far10p, and Far11p 12977 S000006579 tRNA n.a. tG(GCC)F1 SUF20 6 162222 162292 W tRNA-Gly 12979 S000001905 ORF Verified YFR009W GCN20 6 162482 164740 W Positive regulator of the Gcn2p kinase activity, forms a complex with Gcn1p; proposed to stimulate Gcn2p activation by an uncharged tRNA 12981 S000028823 ORF Dubious YFR009W-A n.a. 6 163869 164126 W Identified by expression profiling and mass spectrometry 12983 S000001906 ORF Verified YFR010W UBP6 6 165060 166559 W Ubiquitin-specific protease situated in the base subcomplex of the 26S proteasome, releases free ubiquitin from branched polyubiquitin chains; deletion causes hypersensitivity to cycloheximide and other toxic compounds 12985 S000028824 ORF Dubious YFR010W-A n.a. 6 166721 166909 W Identified by expression profiling and mass spectrometry 12987 S000001907 ORF Uncharacterized YFR011C n.a. 6 167251 166739 C Hypothetical protein 12989 S000006779 tRNA n.a. tY(GUA)F1 SUP11 6 167430 167518 W tRNA-Tyr 12990 S000030879 intron n.a. n.a. n.a. 6 167469 167482 W n.a. 12994 S000001908 ORF Uncharacterized YFR012W n.a. 6 167881 168489 W Hypothetical protein 12996 S000007606 ORF Uncharacterized YFR012W-A n.a. 6 169216 169302 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 12998 S000001909 ORF Verified YFR013W IOC3 6 169914 172277 W Member of a complex (Isw1a) with Isw1p that has nucleosome-stimulated ATPase activity and represses transcription initiation by specific positioning of a promoter proximal dinucleosome; has homology to Esc8p, which is involved in silencing 13000 S000001910 ORF Verified YFR014C CMK1 6 173869 172529 C Calmodulin-dependent protein kinase; may play a role in stress response, many CA++/calmodulan dependent phosphorylation substrates demonstrated in vitro, amino acid sequence similar to Cmk2p and mammalian Cam Kinase II 13002 S000001911 ORF Verified YFR015C GSY1 6 176383 174257 C Glycogen synthase with similarity to Gsy2p, the more highly expressed yeast homolog; expression induced by glucose limitation, nitrogen starvation, environmental stress, and entry into stationary phase 13004 S000001912 ORF Uncharacterized YFR016C n.a. 6 180735 177034 C Hypothetical protein 13006 S000006580 tRNA n.a. tG(GCC)F2 n.a. 6 181036 180966 C tRNA-Gly 13008 S000001913 ORF Uncharacterized YFR017C n.a. 6 182849 182262 C Hypothetical protein 13010 S000001914 ORF Uncharacterized YFR018C n.a. 6 184210 183119 C Hypothetical protein 13012 S000001915 ORF Verified YFR019W FAB1 6 184490 191326 W 1-phosphatidylinositol-3-phosphate 5-kinase; vacuolar membrane kinase that generates phosphatidylinositol (3,5)P2, which is involved in vacuolar sorting and homeostasis 13014 S000006731 tRNA n.a. tS(GCU)F n.a. 6 191601 191501 C tRNA-Ser 13015 S000037442 intron n.a. n.a. n.a. 6 191564 191546 C n.a. 13019 S000001916 ORF Dubious YFR020W n.a. 6 192726 193424 W Hypothetical protein 13021 S000001917 ORF Verified YFR021W ATG18 6 194800 196302 W Phosphatidylinositol 3,5-bisphosphate-binding protein of the vacuolar membrane, predicted to fold as a seven-bladed beta-propeller; required for recycling of Atg9p through the pre-autophagosomal structure 13023 S000001918 ORF Verified YFR022W ROG3 6 196821 199022 W Protein that binds to Rsp5p, which is a hect-type ubiquitin ligase, via its 2 PY motifs; has similarity to Rod1p; mutation suppresses the temperature sensitivity of an mck1 rim11 double mutant 13026 S000001919 ORF Verified YFR023W PES4 6 199862 201697 W Poly(A) binding protein, suppressor of DNA polymerase epsilon mutation, similar to Mip6p 13028 S000002968 ORF Verified YFR024C-A LSB3 6 203421 201948 C Protein containing a C-terminal SH3 domain; binds Las17p, which is a homolog of human Wiskott-Aldrich Syndrome protein involved in actin patch assembly and actin polymerization 13031 S000035056 intron n.a. n.a. n.a. 6 203374 203257 C n.a. 13032 S000001921 ORF Verified YFR025C HIS2 6 204738 203731 C Histidinolphosphatase, catalyzes the eighth step in histidine biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts; transcription is regulated by general amino acid control 13034 S000006511 tRNA n.a. tA(AGC)F n.a. 6 204984 204912 C tRNA-Ala 13036 S000001922 ORF Uncharacterized YFR026C n.a. 6 206245 205736 C Hypothetical protein 13039 S000001923 ORF Verified YFR027W ECO1 6 207440 208285 W Acetyltransferase required for the establishment of sister chromatid cohesion during DNA replication, but not for its maintenance during G2 and M phases; also required for postreplicative double-strand break repair; interacts with Chl1p 13041 S000001924 ORF Verified YFR028C CDC14 6 210056 208401 C Protein phosphatase required for mitotic exit; located in the nucleolus until liberated by the FEAR and Mitotic Exit Network in anaphase, enabling it to act on key substrates to effect a decrease in CDK/B-cyclin activity and mitotic exit 13043 S000006780 tRNA n.a. tY(GUA)F2 SUP6 6 210695 210607 C tRNA-Tyr 13044 S000030888 intron n.a. n.a. n.a. 6 210656 210643 C n.a. 13047 S000001925 ORF Verified YFR029W PTR3 6 210925 212961 W Component of the SPS plasma membrane amino acid sensor system (Ssy1p-Ptr3p-Ssy5p), which senses external amino acid concentration and transmits intracellular signals that result in regulation of expression of amino acid permease genes 13049 S000001926 ORF Verified YFR030W MET10 6 213300 216407 W Subunit alpha of assimilatory sulfite reductase, which is responsible for the conversion of sulfite into sulfide 13052 S000001927 ORF Verified YFR031C SMC2 6 220094 216582 C Component of the condensin complex, essential SMC chromosomal ATPase family member that forms a complex with Smc4p to form the active ATPase; Smc2p/Smc4p complex binds DNA, possibly in the cleft formed by the coiled-coil of the folded dimer 13054 S000002104 ORF Verified YFR031C-A RPL2A 6 221406 220495 C Protein component of the large (60S) ribosomal subunit, identical to Rpl2Bp and has similarity to E. coli L2 and rat L8 ribosomal proteins 13057 S000032330 intron n.a. n.a. n.a. 6 221402 221256 C n.a. 13058 S000001928 ORF Uncharacterized YFR032C n.a. 6 222947 222078 C Hypothetical protein 13060 S000006437 ORF Verified YFR032C-A RPL29 6 223425 223246 C Protein component of the large (60S) ribosomal subunit, has similarity to rat L29 ribosomal protein; not essential for translation, but required for proper joining of the large and small ribosomal subunits and for normal translation rate 13062 S000028630 ORF Uncharacterized YFR032C-B n.a. 6 223961 223698 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 13064 S000001929 ORF Verified YFR033C QCR6 6 224757 224314 C Subunit 6 of the ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; highly acidic protein; required for maturation of cytochrome c1 13066 S000001930 ORF Verified YFR034C PHO4 6 225946 225008 C Basic helix-loop-helix (bHLH) transcription factor; binds cooperatively with Pho2p to the PHO5 promoter; function is regulated by phosphorylation at multiple sites and by phosphate availability 13068 S000028631 ORF Dubious YFR034W-A n.a. 6 226010 226297 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 13070 S000001931 ORF Uncharacterized YFR035C n.a. 6 226453 226109 C Hypothetical protein 13072 S000006620 tRNA n.a. tK(CUU)F n.a. 6 226747 226676 C tRNA-Lys 13074 S000001932 ORF Verified YFR036W CDC26 6 226950 227324 W Subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition 13076 S000028767 ORF Dubious YFR036W-A n.a. 6 227438 228088 W Questionable ORF from MIPS 13078 S000001933 ORF Verified YFR037C RSC8 6 229173 227500 C One of 15 subunits of the 'Remodel the Structure of Chromatin' (RSC) complex; essential for viability and mitotic growth; homolog of SWI/SNF subunit Swi3p, but unlike Swi3p, does not activate transcription of reporters 13080 S000001934 ORF Uncharacterized YFR038W n.a. 6 229367 231928 W Hypothetical protein 13082 S000001935 ORF Uncharacterized YFR039C n.a. 6 233531 231999 C Hypothetical protein 13084 S000001936 ORF Verified YFR040W SAP155 6 234229 237237 W Protein that forms a complex with the Sit4p protein phosphatase and is required for its function; member of a family of similar proteins including Sap4p, Sap185p, and Sap190p 13086 S000001937 ORF Uncharacterized YFR041C ERJ5 6 238242 237355 C Endoplasmic reticulum protein that may function as a cochaperone, as suggested by the presence of a DnaJ-like domain 13088 S000001938 ORF Uncharacterized YFR042W n.a. 6 238445 239047 W Protein required for cell viability 13090 S000001939 ORF Uncharacterized YFR043C n.a. 6 239814 239101 C Hypothetical protein 13092 S000001940 ORF Uncharacterized YFR044C n.a. 6 241424 239979 C Hypothetical protein 13094 S000001941 ORF Uncharacterized YFR045W n.a. 6 242129 242986 W Hypothetical protein 13096 S000001942 ORF Verified YFR046C CNN1 6 244146 243061 C Kinetochore protein of unknown function; associated with the essential kinetochore proteins Nnf11p and Spc24p; phosphorylated by both Clb5-Cdk1 and, to a lesser extent, Clb2-Cdk1. 13098 S000001943 ORF Verified YFR047C BNA6 6 245153 244266 C Quinolinate phosphoribosyl transferase, required for biosynthesis of nicotinic acid from tryptophan via kynurenine pathway 13100 S000001944 ORF Verified YFR048W RMD8 6 246133 248121 W Cytosolic protein required for sporulation 13102 S000001945 ORF Verified YFR049W YMR31 6 248510 248881 W Mitochondrial ribosomal protein of the small subunit, has similarity to human mitochondrial ribosomal protein MRP-S36 13104 S000001946 ORF Verified YFR050C PRE4 6 249853 249053 C 20S proteasome beta-type subunit 13106 S000001947 ORF Verified YFR051C RET2 6 251790 250150 C Delta subunit of the coatomer complex (COPI), which coats Golgi-derived transport vesicles; involved in retrograde transport between Golgi and ER 13108 S000001948 ORF Verified YFR052W RPN12 6 252492 253316 W Subunit of the 19S regulatory particle of the 26S proteasome lid; synthetically lethal with RPT1, which is an ATPase component of the 19S regulatory particle; physically interacts with Nob1p and Rpn3p 13110 S000028768 ORF Dubious YFR052C-A n.a. 6 253721 253416 C Questionable ORF from MIPS 13112 S000001949 ORF Verified YFR053C HXK1 6 255036 253579 C Hexokinase isoenzyme 1, a cytosolic protein that catalyzes phosphorylation of glucose during glucose metabolism; expression is highest during growth on non-glucose carbon sources; glucose-induced repression involves the hexokinase Hxk2p 13115 S000001950 ORF Dubious YFR054C n.a. 6 259420 258842 C Hypothetical protein 13117 S000001952 ORF Uncharacterized YFR055W n.a. 6 264191 265213 W Hypothetical protein 13119 S000001951 ORF Dubious YFR056C n.a. 6 264312 263944 C Hypothetical protein 13121 S000001953 ORF Uncharacterized YFR057W n.a. 6 269048 269503 W Hypothetical protein 13135 S000003232 ORF Verified YGL263W COS12 7 2790 3932 W Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 13137 S000003231 ORF Uncharacterized YGL262W n.a. 7 5312 5839 W Hypothetical protein 13139 S000003230 ORF Uncharacterized YGL261C n.a. 7 6652 6290 C Hypothetical protein 13141 S000003229 ORF Dubious YGL260W n.a. 7 6860 7090 W Hypothetical protein 13143 S000003228 ORF Uncharacterized YGL259W YPS5 7 8470 8967 W Protein with similarity to GPI-anchored aspartic proteases such as Yap1p and Yap3p 13145 S000007607 ORF Uncharacterized YGL258W-A n.a. 7 9162 9395 W Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 13147 S000003227 ORF Uncharacterized YGL258W n.a. 7 11110 11730 W Hypothetical protein 13149 S000003226 ORF Verified YGL257C MNT2 7 14157 12481 C Mannosyltransferase involved in adding the 4th and 5th mannose residues of O-linked glycans 13151 S000003225 ORF Verified YGL256W ADH4 7 14910 16307 W Alcohol dehydrogenase type IV, dimeric enzyme demonstrated to be zinc-dependent despite sequence similarity to iron-activated alcohol dehydrogenases; transcription is induced in response to zinc deficiency; alcohol dehydrogenase isoenzyme IV 13153 S000003224 ORF Verified YGL255W ZRT1 7 20978 22108 W High-affinity zinc transporter of the plasma membrane, responsible for the majority of zinc uptake; transcription is induced under low-zinc conditions by the Zap1p transcription factor 13155 S000003223 ORF Verified YGL254W FZF1 7 22304 23203 W Transcription factor involved in sulfite metabolism, sole identified regulatory target is SSU1, overexpression suppresses sulfite-sensitivity of many unrelated mutants due to hyperactivation of SSU1, contains five zinc fingers 13157 S000003222 ORF Verified YGL253W HXK2 7 23935 25395 W Hexokinase isoenzyme 2 that catalyzes phosphorylation of glucose in the cytosol; predominant hexokinase during growth on glucose; functions in the nucleus to repress expression of HXK1 and GLK1 and to induce expression of its own gene 13159 S000003221 ORF Verified YGL252C RTG2 7 27484 25718 C Sensor of mitochondrial dysfunction; regulates the subcellular location of Rtg1p and Rtg3p, transcriptional activators of the retrograde (RTG) and TOR pathways; Rtg2p is inhibited by the phosphorylated form of Mks1p 13161 S000003220 ORF Verified YGL251C HFM1 7 31636 27921 C Meiosis specific DNA helicase involved in the conversion of double-stranded breaks to later recombination intermediates and in crossover control; catalyzes the unwinding of Holliday junctions; has ssDNA and dsDNA stimulated ATPase activity 13164 S000035420 intron n.a. n.a. n.a. 7 31578 31427 C n.a. 13165 S000003219 ORF Uncharacterized YGL250W n.a. 7 31910 32635 W Hypothetical protein 13167 S000003218 ORF Verified YGL249W ZIP2 7 33098 35212 W Required for 'ZIPpering' up meiotic chromosomes during chromosome synapsis; involved in meiotic recombination and disjunction 13169 S000003217 ORF Verified YGL248W PDE1 7 35653 36762 W Low-affinity cyclic AMP phosphodiesterase, controls glucose and intracellular acidification-induced cAMP signaling, target of the cAMP-protein kinase A (PKA) pathway; glucose induces transcription and inhibits translation 13171 S000003216 ORF Verified YGL247W BRR6 7 36933 37526 W Essential nuclear envelope integral membrane protein required for nuclear transport; depletion alters nucleoporin distribution and nuclear envelope morphology, suggesting a role in the spatial organization of nuclear pores 13173 S000003215 ORF Verified YGL246C RAI1 7 38780 37617 C Nuclear protein that binds to and stabilizes the exoribonuclease Rat1p, required for pre-rRNA processing 13175 S000003214 ORF Verified YGL245W GUS1 7 39023 41149 W Glutamyl-tRNA synthetase (GluRS), forms a complex with methionyl-tRNA synthetase (Mes1p) and Arc1p; complex formation increases the catalytic efficiency of both tRNA synthetases and ensures their correct localization to the cytoplasm 13177 S000003213 ORF Verified YGL244W RTF1 7 41498 43174 W Subunit of the RNA polymerase II-associated Paf1 complex; directly or indirectly regulates DNA-binding properties of Spt15p (TATA box-binding protein) and relative activities of different TATA elements 13179 S000003212 ORF Verified YGL243W TAD1 7 43307 44509 W tRNA-specific adenosine deaminase, deaminates adenosine-37 to inosine in tRNA-Ala 13181 S000003211 ORF Uncharacterized YGL242C n.a. 7 45197 44652 C Hypothetical protein 13183 S000003210 ORF Verified YGL241W KAP114 7 45445 48459 W Karyopherin, responsible for nuclear import of Spt15p, histones H2A and H2B, and Nap1p; amino terminus shows similarity to those of other importins, particularly Cse1p; localization is primarily nuclear 13185 S000003209 ORF Verified YGL240W DOC1 7 48613 49365 W Processivity factor required for the ubiquitination activity of the anaphase promoting complex (APC), mediates the activity of the APC by contributing to substrate recognition; involved in cyclin proteolysis 13187 S000003207 ORF Verified YGL238W CSE1 7 49552 52434 W Nuclear envelope protein that mediates the nuclear export of importin alpha (Srp1p), homolog of metazoan CAS protein, required for accurate chromosome segregation 13189 S000003208 ORF Dubious YGL239C n.a. 7 49745 49431 C Protein required for cell viability 13191 S000003206 ORF Verified YGL237C HAP2 7 53528 52731 C Subunit of the heme-activated, glucose-repressed Hap2p/3p/4p/5p CCAAT-binding complex, a transcriptional activator and global regulator of respiratory gene expression; contains sequences sufficient for both complex assembly and DNA binding 13193 S000003204 ORF Uncharacterized YGL235W n.a. 7 55279 55815 W Protein of unknown function, potential Cdc28p substrate 13195 S000003205 ORF Verified YGL236C MTO1 7 55796 53787 C Mitochondrial protein, forms a heterodimer complex with Mss1p that performs the 5-carboxymethylaminomethyl modification of the wobble uridine base in mitochondrial tRNAs; required for respiration in paromomycin-resistant 15S rRNA mutants 13197 S000003203 ORF Verified YGL234W ADE5,7 7 56482 58890 W Bifunctional enzyme of the 'de novo' purine nucleotide biosynthetic pathway, contains aminoimidazole ribotide synthetase and glycinamide ribotide synthetase activities 13199 S000003202 ORF Verified YGL233W SEC15 7 59122 61854 W Essential 113kDa subunit of the exocyst complex (Sec3p, Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p), which mediates polarized targeting of vesicles to active sites of exocytosis; Sec15p associates with Sec4p and vesicles 13201 S000003201 ORF Verified YGL232W TAN1 7 62075 63002 W Putative tRNA acetyltransferase, RNA-binding protein required for the formation of the modified nucleoside N(4)-acetylcytidine in serine and leucine tRNAs but not required for the same modification in 18S rRNA 13204 S000036132 intron n.a. n.a. n.a. 7 62132 62189 W n.a. 13205 S000003200 ORF Uncharacterized YGL231C n.a. 7 63620 63048 C Hypothetical protein 13207 S000003199 ORF Uncharacterized YGL230C n.a. 7 64215 63772 C Hypothetical protein 13209 S000003198 ORF Verified YGL229C SAP4 7 66959 64503 C Protein required for function of the Sit4p protein phosphatase, member of a family of similar proteins that form complexes with Sit4p, including Sap155p, Sap185p, and Sap190p 13211 S000003197 ORF Verified YGL228W SHE10 7 67598 69331 W Putative glycosylphosphatidylinositol (GPI)-anchored protein of unknown function; overexpression causes growth arrest 13213 S000003196 ORF Verified YGL227W VID30 7 69671 72547 W Protein involved in proteasome-dependent catabolite degradation of fructose-1,6-bisphosphatase (FBPase); shifts the balance of nitrogen metabolism toward the production of glutamate; localized to the nucleus and the cytoplasm 13215 S000003194 ORF Verified YGL226C-A OST5 7 73157 72748 C Zeta subunit of the oligosaccharyltransferase complex of the ER lumen, which catalyzes asparagine-linked glycosylation of newly synthesized proteins 13218 S000037109 intron n.a. n.a. n.a. 7 73136 72988 C n.a. 13219 S000003195 ORF Uncharacterized YGL226W n.a. 7 73339 73710 W Hypothetical protein 13221 S000006757 tRNA n.a. tV(AAC)G3 n.a. 7 73901 73828 C tRNA-Val 13223 S000003193 ORF Verified YGL225W VRG4 7 76893 77906 W Golgi GDP-mannose transporter; regulates Golgi function and glycosylation in Golgi 13225 S000003192 ORF Verified YGL224C SDT1 7 78856 78014 C Pyrimidine nucleotidase; overexpression suppresses the 6-AU sensitivity of transcription elongation factor S-II, as well as resistance to other pyrimidine derivatives 13227 S000003191 ORF Verified YGL223C COG1 7 80364 79111 C Essential component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments 13229 S000003190 ORF Verified YGL222C EDC1 7 81185 80658 C RNA-binding protein, activates mRNA decapping directly by binding to the mRNA substrate and enhancing the activity of the decapping proteins Dcp1p and Dcp2p 13231 S000003189 ORF Verified YGL221C NIF3 7 82291 81425 C Protein of unknown function, similar to Listeria monocytogenes major sigma factor (rpoD gene product) 13233 S000003188 ORF Uncharacterized YGL220W n.a. 7 82373 82735 W Hypothetical protein 13235 S000003186 ORF Dubious YGL218W n.a. 7 83649 84299 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 93% of ORF overlaps the verified gene MDM34; deletion in cyr1 mutant results in loss of stress resistance 13237 S000003187 ORF Verified YGL219C MDM34 7 84256 82877 C Mitochondrial outer membrane protein, required for normal mitochondrial morphology and inheritance; localizes to dots on the mitochondrial surface near mtDNA nucleoids; interacts genetically with MDM31 and MDM32 13239 S000003184 ORF Verified YGL216W KIP3 7 84884 87301 W Kinesin-related motor protein involved in mitotic spindle positioning 13241 S000003185 ORF Dubious YGL217C n.a. 7 85179 84838 C Hypothetical protein 13243 S000003183 ORF Verified YGL215W CLG1 7 87980 89338 W Cyclin-like protein that interacts with Pho85p; has sequence similarity to G1 cyclins PCL1 and PCL2 13245 S000003182 ORF Dubious YGL214W n.a. 7 90011 90499 W Dubious open reading frame, not conserved in closely related Saccharomyces species; deletion mutation enhances replication of Brome mosaic virus in S. cerevisiae, but this is likely due to effects on the overlapping gene SKI8 13247 S000003181 ORF Verified YGL213C SKI8 7 91251 90058 C Protein involved in exosome mediated 3' to 5' mRNA degradation and translation inhibition of non-poly(A) mRNAs as well as double-strand break formation during meiotic recombination; required for repressing propagation of dsRNA viruses 13249 S000003180 ORF Verified YGL212W VAM7 7 91436 92386 W Component of the vacuole SNARE complex involved in vacuolar morphogenesis; SNAP-25 homolog; functions with a syntaxin homolog Vam3p in vacuolar protein trafficking 13251 S000003179 ORF Uncharacterized YGL211W NCS6 7 92516 93595 W Protein with a role in urmylation and in invasive and pseudohyphal growth; inhibits replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 13253 S000003178 ORF Verified YGL210W YPT32 7 93797 94465 W GTPase of the Ypt/Rab family, very similar to Ypt31p; involved in the exocytic pathway; mediates intra-Golgi traffic or the budding of post-Golgi vesicles from the trans-Golgi 13255 S000003177 ORF Verified YGL209W MIG2 7 95862 97010 W Protein containing zinc fingers, involved in repression, along with Mig1p, of SUC2 (invertase) expression by high levels of glucose; binds to Mig1p-binding sites in SUC2 promoter 13257 S000003176 ORF Verified YGL208W SIP2 7 97342 98589 W One of three beta subunits of the Snf1 serine/threonine protein kinase complex involved in the response to glucose starvation; null mutants exhibit accelerated aging; N-myristoylprotein localized to the cytoplasm and the plasma membrane 13259 S000003175 ORF Verified YGL207W SPT16 7 98973 102080 W Subunit of the heterodimeric FACT complex (Spt16p-Pob3p), facilitates RNA Polymerase II transcription elongation through nucleosomes by destabilizing and then reassembling nucleosome structure 13261 S000003174 ORF Verified YGL206C CHC1 7 107508 102547 C vesicle coat protein; presumed vesicle coat protein 13263 S000003173 ORF Verified YGL205W POX1 7 108162 110408 W Fatty-acyl coenzyme A oxidase, involved in the fatty acid beta-oxidation pathway; localized to the peroxisomal matrix 13265 S000006595 tRNA n.a. tH(GUG)G1 n.a. 7 110700 110629 C tRNA-His 13270 S000003172 ORF Dubious YGL204C n.a. 7 112009 111704 C Hypothetical protein 13272 S000003171 ORF Verified YGL203C KEX1 7 114668 112479 C Protease involved in the processing of killer toxin and alpha factor precursor; cleaves Lys and Arg residues from the C-terminus of peptides and proteins 13275 S000006630 tRNA n.a. tK(UUU)G1 n.a. 7 115492 115587 W tRNA-Lys 13276 S000033672 intron n.a. n.a. n.a. 7 115529 115551 W n.a. 13279 S000003170 ORF Verified YGL202W ARO8 7 116063 117565 W Aromatic aminotransferase, expression is regulated by general control of amino acid biosynthesis 13281 S000003169 ORF Verified YGL201C MCM6 7 120911 117858 C Protein involved in DNA replication; component of the Mcm2-7 hexameric complex that binds chromatin as a part of the pre-replicative complex 13283 S000006621 tRNA n.a. tK(CUU)G1 n.a. 7 122273 122345 W tRNA-Lys 13285 S000003168 ORF Verified YGL200C EMP24 7 123310 122699 C Integral membrane component of endoplasmic reticulum-derived COPII-coated vesicles, which function in ER to Golgi transport 13287 S000003166 ORF Verified YGL198W YIP4 7 123596 124303 W Protein that interacts with Rab GTPases; computational analysis of large-scale protein-protein interaction data suggests a possible role in vesicle-mediated transport 13289 S000003167 ORF Dubious YGL199C n.a. 7 124047 123577 C Hypothetical protein 13291 S000003165 ORF Verified YGL197W MDS3 7 124703 129166 W Protein with an N-terminal kelch-like domain, putative negative regulator of early meiotic gene expression; required, with Pmd1p, for growth under alkaline conditions 13293 S000003164 ORF Uncharacterized YGL196W n.a. 7 129888 131174 W Hypothetical protein 13295 S000003163 ORF Verified YGL195W GCN1 7 131531 139549 W Positive regulator of the Gcn2p kinase activity, forms a complex with Gcn20p; proposed to stimulate Gcn2p activation by an uncharged tRNA 13297 S000003162 ORF Verified YGL194C HOS2 7 141732 140374 C Histone deacetylase required for gene activation via specific deacetylation of lysines in H3 and H4 histone tails; subunit of the Set3 complex, a meiotic-specific repressor of sporulation specific genes that contains deacetylase activity 13299 S000003161 ORF Dubious YGL193C n.a. 7 142233 141922 C Hypothetical protein 13301 S000003160 ORF Verified YGL192W IME4 7 142252 144054 W Probable mRNA N6-adenosine methyltransferase that is required for IME1 transcript accumulation and for sporulation; expression is induced in starved MATa/MAT alpha diploid cells 13303 S000003159 ORF Verified YGL191W COX13 7 144814 145203 W Subunit VIa of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; not essential for cytochrome c oxidase activity but may modulate activity in response to ATP 13305 S000003158 ORF Verified YGL190C CDC55 7 147395 145815 C Non-essential regulatory subunit B of protein phosphatase 2A; has multiple roles in mitosis and protein biosynthesis; found in the nucleus of most cells but also at the bud neck (large-budded cells) and at the bud tip (small-budded cells) 13307 S000003157 ORF Verified YGL189C RPS26A 7 148594 148235 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps26Bp and has similarity to rat S26 ribosomal protein 13309 S000028635 ORF Uncharacterized YGL188C-A n.a. 7 148970 148830 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 13311 S000003156 ORF Dubious YGL188C n.a. 7 149522 149349 C Hypothetical protein 13313 S000003155 ORF Verified YGL187C COX4 7 150177 149710 C Subunit IV of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; N-terminal 25 residues of precursor are cleaved during mitochondrial import 13315 S000003154 ORF Verified YGL186C TPN1 7 152782 151043 C Plasma membrane pyridoxine (vitamin B6) transporter; member of the purine-cytosine permease subfamily within the major facilitator superfamily; proton symporter with similarity to Fcy21p, Fcy2p, and Fcy22p 13317 S000003153 ORF Uncharacterized YGL185C n.a. 7 154312 153173 C Putative hydroxyacid dehydrogenase 13319 S000003152 ORF Verified YGL184C STR3 7 156018 154621 C Cystathionine beta-lyase, converts cystathionine into homocysteine 13321 S000003151 ORF Verified YGL183C MND1 7 157291 156549 C Protein required for recombination and meiotic nuclear division; forms a complex with Hop2p, which is involved in chromosome pairing and repair of meiotic double-strand breaks 13324 S000037290 intron n.a. n.a. n.a. 7 157288 157206 C n.a. 13325 S000003150 ORF Dubious YGL182C n.a. 7 157602 157279 C Hypothetical protein 13327 S000003149 ORF Verified YGL181W GTS1 7 157912 159102 W Protein containing a zinc-finger in the N-terminus and a long Gln-rich region in the C-terminus; regulates ultradian rhythm, cell size, cell cycle, lifespan, sporulation, heat tolerance, and multidrug transport 13329 S000003148 ORF Verified YGL180W ATG1 7 160071 162764 W Protein serine/threonine kinase, required for autophagy and for the cytoplasm-to-vacuole targeting (Cvt) pathway 13331 S000003147 ORF Verified YGL179C TOS3 7 165097 163415 C Protein kinase, related to and functionally redundant with Elm1p and Pak1p for the phosphorylation and activation of Snf1p; functionally orthologous to LKB1, a mammalian kinase associated with Peutz-Jeghers cancer-susceptibility syndrome 13333 S000003146 ORF Verified YGL178W MPT5 7 167358 170577 W Protein that specifically binds to mRNAs encoding chromatin modifiers and spindle pole body components; has roles in longevity, in maintenance of cell wall integrity, and in sensitivity to and recovery from pheromone arrest 13336 S000034398 intron n.a. n.a. n.a. 7 167361 168000 W n.a. 13337 S000003145 ORF Dubious YGL177W n.a. 7 167565 167912 W Hypothetical protein 13339 S000003144 ORF Uncharacterized YGL176C n.a. 7 173085 171421 C Hypothetical protein 13341 S000003143 ORF Verified YGL175C SAE2 7 174328 173291 C Protein with a role in accurate meiotic and mitotic double-strand break repair; phosphorylated in response to DNA damage and required for normal resistance to DNA-damaging agents 13343 S000003142 ORF Verified YGL174W BUD13 7 174551 175351 W Protein involved in bud-site selection; diploid mutants display a unipolar budding pattern instead of the wild-type bipolar pattern 13345 S000003141 ORF Verified YGL173C KEM1 7 180119 175533 C 5'-3' exonuclease involved in mRNA decay, evolutionarily conserved component of cytoplasmic processing (P) bodies, plays a role in microtubule-mediated processes, filamentous growth, and ribosomal RNA maturation 13347 S000003140 ORF Verified YGL172W NUP49 7 180706 182124 W Subunit of the Nsp1p-Nup57p-Nup49p-Nic96p subcomplex of the nuclear pore complex (NPC), required for nuclear export of ribosomes 13349 S000003139 ORF Verified YGL171W ROK1 7 182396 184090 W ATP-dependent RNA helicase of the DEAD box family; required for 18S rRNA synthesis 13351 S000003138 ORF Verified YGL170C SPO74 7 185400 184159 C Component of the meiotic outer plaque of the spindle pole body, involved in modifying the meiotic outer plaque that is required prior to prospore membrane formation 13353 S000006622 tRNA n.a. tK(CUU)G2 n.a. 7 185792 185720 C tRNA-Lys 13355 S000003137 ORF Verified YGL169W SUA5 7 186065 187345 W Protein required for respiratory growth; null mutation suppresses the Cyc1p translation defect caused by the presence of an aberrant ATG codon upstream of the correct start 13357 S000003136 ORF Uncharacterized YGL168W HUR1 7 187470 187802 W Protein required for hydroxyurea resistance; has a possible role in DNA replication 13359 S000003135 ORF Verified YGL167C PMR1 7 190474 187622 C High affinity Ca2+/Mn2+ P-type ATPase required for Ca2+ and Mn2+ transport into Golgi; involved in Ca2+ dependent protein sorting and processing; mutations in human homolog ATP2C1 cause acantholytic skin condition Hailey-Hailey disease 13361 S000003134 ORF Verified YGL166W CUP2 7 191135 191812 W Copper-binding transcription factor; activates transcription of the metallothionein genes CUP1-1 and CUP1-2 in response to elevated copper concentrations 13363 S000003133 ORF Dubious YGL165C n.a. 7 191982 191404 C Hypothetical protein 13365 S000003132 ORF Verified YGL164C YRB30 7 193306 191984 C Competes with yeast RanBP1 (Yrb1p) for binding to the GTP-bound form of yeast Ran (Gsp1p); able to form trimeric complexes with RanGTP and some of the karyopherins; inhibits RanGAP1(Rna1p)-mediated GTP hydrolysis on Ran. 13367 S000003131 ORF Verified YGL163C RAD54 7 196409 193713 C DNA-dependent ATPase, stimulates strand exchange by modifying the topology of double-stranded DNA; involved in the recombinational repair of double-strand breaks in DNA during vegetative growth and meiosis; member of the SWI/SNF family 13369 S000003130 ORF Verified YGL162W SUT1 7 198144 199043 W Transcription factor of the Zn[II]2Cys6 family involved in sterol uptake; involved in induction of hypoxic gene expression 13371 S000003129 ORF Verified YGL161C YIP5 7 200148 199216 C Protein that interacts with Rab GTPases; computational analysis of large-scale protein-protein interaction data suggests a possible role in vesicle-mediated transport 13373 S000003128 ORF Uncharacterized YGL160W n.a. 7 200567 202279 W Hypothetical protein 13375 S000003127 ORF Uncharacterized YGL159W n.a. 7 202727 203839 W Hypothetical protein 13378 S000006639 tRNA n.a. tL(CAA)G1 n.a. 7 205527 205640 W tRNA-Leu 13379 S000034236 intron n.a. n.a. n.a. 7 205565 205596 W n.a. 13382 S000003126 ORF Verified YGL158W RCK1 7 207038 208576 W Protein kinase involved in the response to oxidative stress; identified as suppressor of S. pombe cell cycle checkpoint mutations 13384 S000003125 ORF Verified YGL157W n.a. 7 209011 210054 W Oxidoreductase, catalyzes NADPH-dependent reduction of the bicyclic diketone bicyclo[2.2.2]octane-2,6-dione (BCO2,6D) to the chiral ketoalcohol (1R,4S,6S)-6-hydroxybicyclo[2.2.2]octane-2-one (BCO2one6ol) 13386 S000003124 ORF Verified YGL156W AMS1 7 210421 213672 W Vacuolar alpha mannosidase, involved in free oligosaccharide (fOS) degradation; delivered to the vacuole in a novel pathway separate from the secretory pathway 13388 S000003123 ORF Verified YGL155W CDC43 7 214086 215216 W Beta subunit of geranylgeranyltransferase type I, catalyzes geranylgeranylation to the cysteine residue in proteins containing a C-terminal CaaX sequence ending in Leu or Phe; has substrates important for morphogenesis 13390 S000003122 ORF Verified YGL154C LYS5 7 216101 215283 C Phosphopantetheinyl transferase involved in lysine biosynthesis; converts inactive apo-form of Lys2p (alpha-aminoadipate reductase) into catalytically active holo-form by posttranslational addition of phosphopantetheine 13392 S000003121 ORF Verified YGL153W PEX14 7 216278 217303 W Peroxisomal membrane protein that is a central component of the peroxisomal protein import machinery, interacts with PTS1 (Pex5p) and PTS2 (Pex7p) peroxisomal matrix protein signal recognition factors and membrane receptor Pex13p 13394 S000003120 ORF Dubious YGL152C n.a. 7 217374 216697 C Hypothetical protein 13396 S000003119 ORF Verified YGL151W NUT1 7 217529 220927 W Component of the RNA polymerase II mediator complex, which is required for transcriptional activation and also has a role in basal transcription 13398 S000003117 ORF Dubious YGL149W n.a. 7 225577 225882 W Hypothetical protein 13400 S000003118 ORF Verified YGL150C INO80 7 225578 221109 C ATPase that forms a large complex, containing actin and several actin-related proteins, that has chromatin remodeling activity and 3' to 5' DNA helicase activity in vitro; shows similarity to the Snf2p family of ATPases 13402 S000003116 ORF Verified YGL148W ARO2 7 226404 227534 W Bifunctional chorismate synthase and flavin reductase, catalyzes the conversion of 5-enolpyruvylshikimate 3-phosphate (EPSP) to form chorismate, which is a precursor to aromatic amino acids 13404 S000003115 ORF Verified YGL147C RPL9A 7 228334 227759 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl9Bp and has similarity to E. coli L6 and rat L9 ribosomal proteins 13406 S000003114 ORF Uncharacterized YGL146C n.a. 7 229691 228756 C Hypothetical protein 13408 S000003113 ORF Verified YGL145W TIP20 7 230248 232353 W Peripheral membrane protein required for fusion of COPI vesicles with the ER, prohibits back-fusion of COPII vesicles with the ER, may act as a sensor for vesicles at the ER membrane 13411 S000003112 ORF Verified YGL144C ROG1 7 234512 232455 C Protein with putative serine active lipase domain 13413 S000003111 ORF Verified YGL143C MRF1 7 235963 234722 C Mitochondrial polypeptide chain release factor, involved in stop codon recognition and hydrolysis of the peptidyl-tRNA bond during mitochondrial translation; lack of MRF1 causes mitochondrial genome instability 13415 S000003110 ORF Verified YGL142C GPI10 7 238124 236274 C Integral membrane protein involved in glycosylphosphatidylinositol (GPI) anchor synthesis; putative alpha 1,2 mannosyltransferase required for addition of the third mannose onto the GPI core structure; human PIG-Bp is a functional homolog 13417 S000003109 ORF Verified YGL141W HUL5 7 238358 241090 W Protein with similarity to hect domain E3 ubiquitin-protein ligases, not essential for viability 13419 S000003108 ORF Uncharacterized YGL140C n.a. 7 245017 241358 C Hypothetical protein 13421 S000003107 ORF Uncharacterized YGL139W n.a. 7 245721 248129 W Hypothetical protein 13423 S000003106 ORF Uncharacterized YGL138C n.a. 7 249536 248499 C Hypothetical protein 13425 S000003105 ORF Verified YGL137W SEC27 7 249874 252743 W Essential beta'-coat protein of the COPI coatomer, involved in ER-to-Golgi and Golgi-to-ER transport; contains WD40 domains that mediate cargo selective interactions; 45% sequence identity to mammalian beta'-COP 13428 S000035923 intron n.a. n.a. n.a. 7 249892 250091 W n.a. 13429 S000003104 ORF Verified YGL136C MRM2 7 253864 252902 C Mitochondrial 21S rRNA methyltransferase, required for methylation of U(2791) in 21S rRNA; MRM2 deletion confers thermosensitive respiration and loss of mitochondrial DNA; has similarity to Spb1p and Trm7p, and to E. coli FtsJ/RrmJ 13431 S000003103 ORF Verified YGL135W RPL1B 7 254646 255299 W N-terminally acetylated protein component of the large (60S) ribosomal subunit, nearly identical to Rpl1Bp and has similarity to E. coli L1 and rat L10a ribosomal proteins; rpl1a rpl1b double null mutation is lethal 13433 S000003102 ORF Verified YGL134W PCL10 7 255668 256969 W Pho85p cyclin; recruits, activates, and targets Pho85p cyclin-dependent protein kinase to its substrate 13435 S000003101 ORF Verified YGL133W ITC1 7 257712 261506 W Component of the ATP-dependent Isw2p-Itc1p chromatin remodeling complex, required for repression of a-specific genes, repression of early meiotic genes during mitotic growth, and repression of INO1 13437 S000003100 ORF Dubious YGL132W n.a. 7 261585 261920 W Hypothetical protein 13439 S000003099 ORF Verified YGL131C SNT2 7 265864 261653 C DNA binding protein with similarity to the S. pombe Snt2 protein 13441 S000003098 ORF Verified YGL130W CEG1 7 266150 267529 W mRNA guanylyltransferase (mRNA capping enzyme), alpha subunit; involved in the synthesis of the cap structure found at the 5'-end of mRNAs 13443 S000003097 ORF Verified YGL129C RSM23 7 269194 267728 C Mitochondrial ribosomal protein of the small subunit, has similarity to mammalian apoptosis mediator proteins; null mutation prevents induction of apoptosis by overproduction of metacaspase Mca1p 13445 S000003096 ORF Verified YGL128C CWC23 7 270150 269299 C Component of a complex containing Cef1p, putatively involved in pre-mRNA splicing; has similarity to E. coli DnaJ and other DnaJ-like proteins and to S. pombe Cwf23p 13447 S000003095 ORF Verified YGL127C SOH1 7 270781 270398 C Protein with sequence similarity to RNA polymerases; interacts with a DNA repair protein, Rad5p, in the two-hybrid system; may provide a link between recombination in direct repeats and transcription 13449 S000003094 ORF Verified YGL126W SCS3 7 271003 272145 W Protein required for inositol prototrophy, appears to be involved in the synthesis of inositol phospholipids from inositol but not in the control of inositol synthesis 13451 S000003093 ORF Verified YGL125W MET13 7 272526 274328 W Isozyme of methylenetetrahydrofolate reductase, catalyzes the reduction of 5,10-methylenetetrahydrofolate to 5-methyltetrahydrofolate in the methionine biosynthesis pathway 13453 S000003092 ORF Verified YGL124C MON1 7 276720 274786 C Protein required for fusion of cvt-vesicles and autophagosomes with the vacuole; associates, as a complex with Ccz1p, with a perivacuolar compartment; potential Cdc28p substrate 13455 S000003091 ORF Verified YGL123W RPS2 7 277623 278387 W Protein component of the small (40S) subunit, essential for control of translational accuracy; has similarity to E. coli S5 and rat S2 ribosomal proteins 13457 S000028634 ORF Dubious YGL123C-A n.a. 7 277870 277640 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 13459 S000003090 ORF Verified YGL122C NAB2 7 280529 278952 C Nuclear polyadenylated RNA-binding protein; autoregulates mRNA levels; related to human hnRNPs; has nuclear localization signal sequence that binds to Kap104p; required for poly(A) tail length control and nuclear mRNA export 13461 S000003089 ORF Verified YGL121C GPG1 7 281163 280783 C Proposed gamma subunit of the heterotrimeric G protein that interacts with the receptor Grp1p; involved in regulation of pseudohyphal growth; requires Gpb1p or Gpb2p to interact with Gpa2p 13463 S000003088 ORF Verified YGL120C PRP43 7 283943 281640 C RNA helicase in the DEAH-box family, involved in release of the lariat-intron from the spliceosome 13465 S000003087 ORF Verified YGL119W ABC1 7 284448 285953 W Protein required for ubiquinone (coenzyme Q) biosynthesis, which in turn is required for respiratory growth; has similarity to prokaryotic proteins involved in early steps of ubiquinone biosynthesis 13467 S000006771 tRNA n.a. tW(CCA)G1 n.a. 7 287461 287356 C tRNA-Trp 13468 S000032524 intron n.a. n.a. n.a. 7 287425 287392 C n.a. 13471 S000003086 ORF Dubious YGL118C n.a. 7 288457 288020 C Hypothetical protein 13473 S000003085 ORF Uncharacterized YGL117W n.a. 7 288518 289315 W Hypothetical protein 13475 S000003084 ORF Verified YGL116W CDC20 7 289812 291644 W Cell-cycle regulated activator of anaphase-promoting complex/cyclosome (APC/C), which is required for metaphase/anaphase transition; directs ubiquitination of mitotic cyclins, Pds1p, and other anaphase inhibitors; potential Cdc28p substrate 13477 S000003083 ORF Verified YGL115W SNF4 7 292036 293004 W Protein kinase activator found in a complex containing Snf1p and members of the Sip1p/Sip2p/Gal83p family; activates the Snf1p protein kinase; involved in expression of glucose-repressed genes, sporulation, and peroxisome biogenesis 13479 S000003082 ORF Uncharacterized YGL114W n.a. 7 293463 295640 W Putative member of the oligopeptide transporter (OPT) family of membrane transporters 13481 S000003081 ORF Verified YGL113W SLD3 7 295935 297941 W Protein involved in the initiation of DNA replication, required for proper assembly of replication proteins at the origins of replication; interacts with Cdc45p 13483 S000003080 ORF Verified YGL112C TAF6 7 299731 298181 C Subunit (60 kDa) of TFIID and SAGA complexes, involved in transcription initiation of RNA polymerase II and in chromatin modification, similar to histone H4 13485 S000003079 ORF Verified YGL111W NSA1 7 299981 301372 W Constituent of 66S pre-ribosomal particles, involved in 60S ribosomal subunit biogenesis 13487 S000003078 ORF Uncharacterized YGL110C CUE3 7 303414 301540 C Protein of unknown function; has a CUE domain that binds ubiquitin, which may facilitate intramolecular monoubiquitination 13489 S000003077 ORF Dubious YGL109W n.a. 7 303516 303839 W Hypothetical protein 13491 S000003076 ORF Uncharacterized YGL108C n.a. 7 304074 303652 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 13493 S000003075 ORF Verified YGL107C RMD9 7 306276 304336 C Mitochondrial protein required for sporulation 13495 S000003074 ORF Verified YGL106W MLC1 7 306563 307012 W Essential light chain for myosin Myo2p; may stabilize Myo2p by binding to the neck region; may interact with Myo1p, Iqg1p, and Myo2p to coordinate formation and contraction of the actomyosin ring with targeted membrane deposition 13497 S000003073 ORF Verified YGL105W ARC1 7 307440 308570 W Protein that binds tRNA and methionyl- and glutamyl-tRNA synthetases (Mes1p and Gus1p), delivering tRNA to them, stimulating catalysis, and ensuring their localization to the cytoplasm; also binds quadruplex nucleic acids 13499 S000003072 ORF Verified YGL104C VPS73 7 310176 308716 C Mitochondrial protein of unknown function involved in vacuolar protein sorting 13501 S000003071 ORF Verified YGL103W RPL28 7 310970 311930 W Ribosomal protein L29 of the large (60S) ribosomal subunit, has similarity to E. coli L15 and rat L27a ribosomal proteins; may have peptidyl transferase activity; can mutate to cycloheximide resistance 13504 S000032090 intron n.a. n.a. n.a. 7 311019 311529 W n.a. 13505 S000003070 ORF Dubious YGL102C n.a. 7 311936 311508 C Protein required for cell viability 13507 S000003069 ORF Uncharacterized YGL101W n.a. 7 312196 312843 W Hypothetical protein 13509 S000003068 ORF Verified YGL100W SEH1 7 313237 314286 W Nuclear pore protein that is part of the evolutionarily conserved Nup84p complex (Nup84p, Nup85p, Nup120p, Nup145p, and Seh1p); homologous to Sec13p 13511 S000003067 ORF Verified YGL099W LSG1 7 314634 316556 W Putative GTPase involved in 60S ribosomal subunit biogenesis; required for the release of Nmd3p from 60S subunits in the cytoplasm 13513 S000028467 snoRNA n.a. snR82 SNR82 7 316791 317058 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at positions 2348 and 2350 13515 S000003066 ORF Verified YGL098W USE1 7 317345 318082 W Essential SNARE protein localized to the ER, involved in retrograde traffic from the Golgi to the ER; forms a complex with the SNAREs Sec22p, Sec20p and Ufe1p 13520 S000006596 tRNA n.a. tH(GUG)G2 n.a. 7 319784 319855 W tRNA-His 13523 S000003065 ORF Verified YGL097W SRM1 7 321785 323233 W Nucleotide exchange factor for Gsp1p, localizes to the nucleus, required for nucleocytoplasmic trafficking of macromolecules; potentially phosphorylated by Cdc28p 13525 S000003064 ORF Verified YGL096W TOS8 7 325334 326164 W Homeodomain-containing transcription factor; SBF regulated target gene that in turn regulates expression of genes involved in G1/S phase events such as bud site selection, bud emergence and cell cycle progression; similarity to Cup9p 13528 S000006553 tRNA n.a. tE(UUC)G1 SOE1 7 328586 328657 W tRNA-Glu 13530 S000003063 ORF Verified YGL095C VPS45 7 330610 328877 C Protein of the Sec1p/Munc-18 family, essential for vacuolar protein sorting; required for the function of Pep12p and the early endosome/late Golgi SNARE Tlg2p; essential for fusion of Golgi-derived vesicles with the prevacuolar compartment 13532 S000003062 ORF Verified YGL094C PAN2 7 334468 331121 C Essential subunit of the Pan2p-Pan3p poly(A)-ribonuclease complex, which acts to control poly(A) tail length and regulate the stoichiometry and activity of postreplication repair complexes 13534 S000003061 ORF Verified YGL093W SPC105 7 334889 337642 W Protein required for accurate chromosome segregation, localizes to the nuclear side of the spindle pole body; forms a complex with Ydr532cp 13536 S000003060 ORF Verified YGL092W NUP145 7 337909 341862 W Essential nucleoporin, catalyzes its own cleavage in vivo to generate a C-terminal fragment that assembles into the Nup84p subcomplex of the nuclear pore complex, and an N-terminal fragment of unknown function that is homologous to Nup100p 13538 S000003059 ORF Verified YGL091C NBP35 7 343045 342059 C Essential nuclear protein, evolutionarily conserved putative ATPase; exhibits genetic interaction with CDC2 encoding the catalytic subunit of DNA polymerase delta 13540 S000003058 ORF Verified YGL090W LIF1 7 343322 344587 W Protein involved in DNA double-strand break repair; physically interacts with DNA ligase 4 (Lig4p); homologous to mammalian XRCC4 protein 13542 S000003057 ORF Verified YGL089C MF(ALPHA)2 7 345156 344794 C Mating pheromone alpha-factor, made by alpha cells; interacts with mating type a cells to induce cell cycle arrest and other responses leading to mating; also encoded by MF(ALPHA)1, which is more highly expressed than MF(ALPHA)2 13544 S000003056 ORF Dubious YGL088W n.a. 7 345839 346204 W Hypothetical protein 13546 S000007499 snoRNA n.a. snR10 SNR10 7 345989 346233 W H/ACA small nucleolar RNA (snoRNA); essential gene required for preRNA processing for cleavage at sites A1 and A2; guides pseudouridylation of large subunit rRNA at position 2919 13548 S000003055 ORF Verified YGL087C MMS2 7 346907 346409 C Protein involved in error-free postreplication DNA repair; forms a heteromeric complex with Ubc13p that has a ubiquitin-conjugating activity; cooperates with chromatin-associated RING finger proteins, Rad18p and Rad5p 13551 S000036107 intron n.a. n.a. n.a. 7 346896 346812 C n.a. 13552 S000003054 ORF Verified YGL086W MAD1 7 347122 349371 W Coiled-coil protein involved in the spindle-assembly checkpoint; phosphorylated by Mps1p upon checkpoint activation which leads to inhibition of the activity of the anaphase promoting complex; forms a complex with Mad2p 13554 S000003053 ORF Uncharacterized YGL085W n.a. 7 349619 350443 W Hypothetical protein 13556 S000003052 ORF Verified YGL084C GUP1 7 352301 350619 C Plasma membrane protein with a possible role in proton symport of glycerol; member of the MBOAT family of putative membrane-bound O-acyltransferases 13558 S000003051 ORF Verified YGL083W SCY1 7 353061 355475 W Putative kinase, suppressor of GTPase mutant, similar to bovine rhodopsin kinase 13560 S000003050 ORF Uncharacterized YGL082W n.a. 7 355830 356975 W Hypothetical protein 13562 S000003049 ORF Uncharacterized YGL081W n.a. 7 357380 358342 W Hypothetical protein 13564 S000003048 ORF Uncharacterized YGL080W n.a. 7 358639 359031 W The authentic, non-tagged protein was localized to the mitochondria 13566 S000003047 ORF Uncharacterized YGL079W n.a. 7 359447 360103 W Hypothetical protein 13568 S000003046 ORF Verified YGL078C DBP3 7 361862 360291 C Putative ATP-dependent RNA helicase of the DEAD-box family involved in ribosomal biogenesis 13570 S000003045 ORF Verified YGL077C HNM1 7 363919 362228 C Choline transporter (permease) that also controls the uptake of nitrogen mustard; expression is co-regulated with phospholipid biosynthetic genes and negatively regulated by choline and myo-inositol 13572 S000007302 snoRNA n.a. snR39 SNR39 7 365254 365166 C Small nucleolar RNA 13574 S000003044 ORF Verified YGL076C RPL7A 7 365999 364338 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl7Bp and has similarity to E. coli L30 and rat L7 ribosomal proteins; contains a conserved C-terminal Nucleic acid Binding Domain (NDB2) 13578 S000032067 intron n.a. n.a. n.a. 7 365435 364968 C n.a. 13579 S000032066 intron n.a. n.a. n.a. 7 365988 365530 C n.a. 13580 S000007303 snoRNA n.a. snR39B SNR39B 7 366472 366377 C Small nucleolar RNA 13582 S000003043 ORF Verified YGL075C MPS2 7 368091 366928 C Essential membrane protein localized at the nuclear envelope and spindle pole body (SPB), required for insertion of the newly duplicated SPB into the nuclear envelope; potentially phosphorylated by Cdc28p 13584 S000003041 ORF Verified YGL073W HSF1 7 368756 371257 W Trimeric heat shock transcription factor, activates multiple genes in response to hyperthermia; recognizes variable heat shock elements (HSEs) consisting of inverted NGAAN repeats; constitutively DNA-bound; posttranslationally regulated 13586 S000003042 ORF Dubious YGL074C n.a. 7 368925 368599 C Protein required for cell viability 13588 S000003040 ORF Dubious YGL072C n.a. 7 371365 371006 C Hypothetical protein 13590 S000003039 ORF Verified YGL071W RCS1 7 372015 374087 W Transcription factor involved in iron utilization and homeostasis; binds the consensus site PyPuCACCCPu and activates the expression of target genes in response to changes in iron availability 13592 S000003038 ORF Verified YGL070C RPB9 7 374830 374462 C RNA polymerase II subunit B12.6; contacts DNA; mutations affect transcription start site 13594 S000003036 ORF Verified YGL068W MNP1 7 375090 375674 W Protein associated with the mitochondrial nucleoid; putative mitochondrial ribosomal protein with similarity to E. coli L7/L12 ribosomal protein; required for normal respiratory growth 13596 S000003037 ORF Dubious YGL069C n.a. 7 375517 375053 C Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 92% of ORF overlaps the uncharacterized ORF YGL068W; deletion in cyr1 mutant results in loss of stress resistance 13598 S000003035 ORF Verified YGL067W NPY1 7 376104 377258 W NADH diphosphatase (pyrophosphatase), hydrolyzes the pyrophosphate linkage in NADH and related nucleotides; localizes to peroxisomes 13600 S000003034 ORF Verified YGL066W SGF73 7 377612 379585 W Probable 73 kDa subunit of SAGA histone acetyltransferase complex 13602 S000003033 ORF Verified YGL065C ALG2 7 381274 379763 C Presumed early mannosyltransferase involved in the N-linked glycosylation pathway; alg2 mutants exhibit temperature-sensitive growth and abnormal accumulation of the lipid-linked oligosaccharide Man2GlcNAc2-PP-Dol 13604 S000003032 ORF Verified YGL064C MRH4 7 383211 381526 C Mitochondrial RNA helicase, plays an essential role in mitochondrial function 13606 S000003031 ORF Verified YGL063W PUS2 7 383657 384769 W Putative pseudouridine synthase 13608 S000028633 ORF Dubious YGL063C-A n.a. 7 384654 384505 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 13610 S000003030 ORF Verified YGL062W PYC1 7 385199 388735 W Pyruvate carboxylase isoform, cytoplasmic enzyme that converts pyruvate to oxaloacetate; highly similar to isoform Pyc2p but differentially regulated; mutations in the human homolog are associated with lactic acidosis 13612 S000003029 ORF Verified YGL061C DUO1 7 389714 388971 C Essential mitotic spindle protein required to maintain spindle integrity and kinetochore function, part of the multisubunit DASH complex which binds microtubules and is transferred to the kinetochore prior to mitosis 13614 S000003028 ORF Verified YGL060W YBP2 7 390070 391995 W Protein with a role in resistance to oxidative stress; has similarity to Ybp1p, which is involved in regulation of the transcription factor Yap1p via oxidation of specific cysteine residues 13616 S000003027 ORF Uncharacterized YGL059W n.a. 7 392228 393703 W Hypothetical protein 13618 S000003026 ORF Verified YGL058W RAD6 7 393992 394510 W Ubiquitin-conjugating enzyme (E2), involved in postreplication repair (with Rad18p), sporulation, telomere silencing, and ubiquitin-mediated N-end rule protein degradation (with Ubr1p) 13620 S000003025 ORF Uncharacterized YGL057C n.a. 7 395835 394972 C Hypothetical protein 13622 S000003024 ORF Verified YGL056C SDS23 7 397624 396041 C One of two S. cerevisiae homologs (Sds23p and Sds24p) of the Schizosaccharomyces pombe Sds23 protein, which genetic studies have implicated in APC/cyclosome regulation 13624 S000003023 ORF Verified YGL055W OLE1 7 398631 400163 W Fatty acid desaturase, required for monounsaturated fatty acid synthesis and for normal distribution of mitochondria 13626 S000003022 ORF Verified YGL054C ERV14 7 401290 400874 C Protein localized to COPII-coated vesicles, involved in vesicle formation and incorporation of specific secretory cargo; required for the delivery of bud-site selection protein Axl2p to cell surface; related to Drosophila cornichon 13628 S000006554 tRNA n.a. tE(UUC)G2 n.a. 7 401601 401530 C tRNA-Glu 13632 S000003021 ORF Verified YGL053W PRM8 7 402592 403305 W Pheromone-regulated protein with 2 predicted transmembrane segments and an FF sequence, a motif involved in COPII binding; forms a complex with Prp9p in the ER 13634 S000003020 ORF Dubious YGL052W n.a. 7 403440 403745 W Hypothetical protein 13636 S000003019 ORF Verified YGL051W MST27 7 403690 404394 W Putative integral membrane protein, involved in vesicle formation; forms complex with Mst28p; member of DUP240 gene family; binds COPI and COPII vesicles 13641 S000006711 tRNA n.a. tR(UCU)G1 n.a. 7 405473 405544 W tRNA-Arg 13643 S000003018 ORF Uncharacterized YGL050W n.a. 7 405779 406600 W Hypothetical protein 13645 S000003017 ORF Verified YGL049C TIF4632 7 409607 406863 C Translation initiation factor eIF4G, subunit of the mRNA cap-binding protein complex (eIF4F) that also contains eIF4E (Cdc33p); associates with the poly(A)-binding protein Pab1p, also interacts with eIF4A (Tif1p); homologous to Tif4631p 13647 S000003016 ORF Verified YGL048C RPT6 7 411289 410072 C One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; bound by ubiquitin-protein ligases Ubr1p and Ufd4p; localized mainly to the nucleus throughout the cell cycle 13649 S000003015 ORF Verified YGL047W ALG13 7 411555 412163 W Essential protein required for the second step of dolichyl-linked oligosaccharide synthesis; involved in N-linked glycosylation; similar to bacterial glycosyltransferases 13651 S000006755 tRNA n.a. tV(AAC)G1 n.a. 7 412370 412297 C tRNA-Val 13654 S000003013 ORF Verified YGL045W RIM8 7 414106 415734 W Protein of unknown function, involved in the proteolytic activation of Rim101p in response to alkaline pH; has similarity to A. nidulans PalF 13656 S000003012 ORF Verified YGL044C RNA15 7 417040 416150 C Cleavage and polyadenylation factor I (CF I) component involved in cleavage and polyadenylation of mRNA 3' ends; interacts with the A-rich polyadenylation signal in complex with Rna14p and Hrp1p 13658 S000003011 ORF Verified YGL043W DST1 7 417487 418416 W General transcription elongation factor TFIIS, enables RNA polymerase II to read through blocks to elongation by stimulating cleavage of nascent transcripts stalled at transcription arrest sites 13660 S000003010 ORF Dubious YGL042C n.a. 7 418597 418292 C Dubious open reading frame, not conserved in closely related Saccharomyces species; deletion mutation blocks replication of Brome mosaic virus in S. cerevisiae, but this is likely due to effects on the overlapping gene DST1 13662 S000028548 ORF Uncharacterized YGL041C-B n.a. 7 418891 418709 C Identified by fungal homology and RT-PCR 13664 S000028826 ORF Dubious YGL041W-A n.a. 7 419047 419295 W Identified by expression profiling and mass spectrometry 13666 S000003009 ORF Dubious YGL041C n.a. 7 419231 418917 C Hypothetical protein 13668 S000003008 ORF Verified YGL040C HEM2 7 420561 419533 C Delta-aminolevulinate dehydratase, a homo-octameric enzyme, catalyzes the conversion of delta-aminolevulinic acid to porphobilinogen, the second step in the heme biosynthetic pathway; localizes to both the cytoplasm and nucleus 13670 S000006640 tRNA n.a. tL(CAA)G2 SUP54 7 423098 423211 W tRNA-Leu 13671 S000034245 intron n.a. n.a. n.a. 7 423136 423167 W n.a. 13674 S000003007 ORF Verified YGL039W n.a. 7 423967 425013 W Oxidoreductase, catalyzes NADPH-dependent reduction of the bicyclic diketone bicyclo[2.2.2]octane-2,6-dione (BCO2,6D) to the chiral ketoalcohol (1R,4S,6S)-6-hydroxybicyclo[2.2.2]octane-2-one (BCO2one6ol) 13676 S000003006 ORF Verified YGL038C OCH1 7 426810 425368 C Mannosyltransferase of the cis-Golgi apparatus, initiates the polymannose outer chain elongation of N-linked oligosaccharides of glycoproteins 13678 S000003005 ORF Verified YGL037C PNC1 7 427953 427303 C Nicotinamidase that converts nicotinamide to nicotinic acid as part of the NAD(+) salvage pathway, required for life span extension by calorie restriction; PNC1 expression responds to all known stimuli that extend replicative life span 13680 S000003004 ORF Uncharacterized YGL036W n.a. 7 428606 431335 W Mtf1 Two Hybrid Clone 2 13682 S000003003 ORF Verified YGL035C MIG1 7 433067 431553 C Transcription factor involved in glucose repression; C2H2 zinc finger protein similar to mammalian Egr and Wilms tumor proteins 13684 S000003002 ORF Dubious YGL034C n.a. 7 433584 433219 C Hypothetical protein 13686 S000003001 ORF Verified YGL033W HOP2 7 435630 436356 W Meiosis-specific protein that localizes to chromosomes, preventing synapsis between nonhomologous chromosomes and ensuring synapsis between homologs; complexes with Mnd1p to promote homolog pairing and meiotic double-strand break repair 13689 S000033179 intron n.a. n.a. n.a. 7 435685 435754 W n.a. 13690 S000003000 ORF Verified YGL032C AGA2 7 436838 436575 C Adhesion subunit of a-agglutinin of a-cells, C-terminal sequence acts as a ligand for alpha-agglutinin (Sag1p) during agglutination, modified with O-linked oligomannosyl chains, linked to anchorage subunit Aga1p via two disulfide bonds 13692 S000002999 ORF Verified YGL031C RPL24A 7 437939 437472 C Ribosomal protein L30 of the large (60S) ribosomal subunit, nearly identical to Rpl24Bp and has similarity to rat L24 ribosomal protein; not essential for translation but may be required for normal translation rate 13694 S000002998 ORF Verified YGL030W RPL30 7 439096 439643 W Protein component of the large (60S) ribosomal subunit, has similarity to rat L30 ribosomal protein; involved in pre-rRNA processing in the nucleolus; autoregulates splicing of its transcript 13697 S000032084 intron n.a. n.a. n.a. 7 439099 439328 W n.a. 13698 S000002997 ORF Verified YGL029W CGR1 7 440068 440430 W Protein involved in nucleolar integrity and processing of the pre-rRNA for the 60S ribosome subunit; transcript is induced in response to cytotoxic stress but not genotoxic stress 13700 S000006565 tRNA n.a. tF(GAA)G n.a. 7 440812 440721 C tRNA-Phe 13701 S000035389 intron n.a. n.a. n.a. 7 440775 440757 C n.a. 13704 S000002996 ORF Verified YGL028C SCW11 7 442914 441286 C Cell wall protein with similarity to glucanases; may play a role in conjugation during mating based on its regulation by Ste12p 13706 S000002995 ORF Verified YGL027C CWH41 7 446148 443647 C Processing alpha glucosidase I, ER type II integral membrane N-glycoprotein involved in assembly of cell wall beta 1,6 glucan and asparagine-linked protein glycosylation; also involved in ER protein quality control and sensing of ER stress 13708 S000002994 ORF Verified YGL026C TRP5 7 448540 446417 C Tryptophan synthase involved in tryptophan biosynthesis, regulated by the general control system of amino acid biosynthesis 13710 S000002992 ORF Dubious YGL024W n.a. 7 449793 450128 W Protein of unknown function 13712 S000002993 ORF Verified YGL025C PGD1 7 449962 448769 C Subunit of the Mediator global transcriptional cofactor complex, which is part of the RNA polymerase II holoenzyme and plays an essential role in basal and activated transcription; direct target of the Cyc8p-Tup1p transcriptional corepressor 13714 S000002991 ORF Verified YGL023C PIB2 7 452109 450202 C Protein binding phosphatidylinositol 3-phosphate, involved in telomere-proximal repression of gene expression; similar to Fab1 and Vps27 13716 S000002990 ORF Verified YGL022W STT3 7 452409 454565 W Subunit of the oligosaccharyltransferase complex of the ER lumen, which catalyzes asparagine-linked glycosylation of newly synthesized proteins; forms a subcomplex with Ost3p and Ost4p and is directly involved in catalysis 13718 S000002989 ORF Verified YGL021W ALK1 7 454790 457072 W Putative Ser-Thr protein kinase, belongs to the haspin family of kinases; contains a leucine zipper motif; may function in mitosis 13720 S000002988 ORF Verified YGL020C MDM39 7 457875 457168 C Protein required for normal mitochondrial morphology and inheritance 13722 S000002987 ORF Verified YGL019W CKB1 7 458161 458997 W beta (38kDa) subunit of protein kinase CK2 13724 S000002986 ORF Verified YGL018C JAC1 7 459669 459115 C Molecular chaperone involved, with partner Ssq1p, in assembly of Fe/S clusters and in mitochondrial iron metabolism; contains a J domain typical to J-type chaperones; localizes to the mitochondrial matrix 13726 S000002985 ORF Verified YGL017W ATE1 7 459859 461370 W Arginyl-tRNA-protein transferase, catalyzes post-translational conjugation of arginine to the amino termini of acceptor proteins which are then subject to degradation via the N-end rule pathway 13728 S000002984 ORF Verified YGL016W KAP122 7 461671 464916 W Karyopherin beta, responsible for import of the Toa1p-Toa2p complex into the nucleus; binds to nucleoporins Nup1p and Nup2p; may play a role in regulation of pleiotropic drug resistance 13730 S000002983 ORF Uncharacterized YGL015C n.a. 7 465440 465048 C Hypothetical protein 13732 S000002982 ORF Verified YGL014W PUF4 7 466146 468812 W Member of the PUF protein family, which is defined by the presence of Pumilio homology domains that confer RNA binding activity; preferentially binds mRNAs encoding nucleolar ribosomal RNA-processing factors 13734 S000028825 ORF Dubious YGL014C-A n.a. 7 466403 466242 C Identified by expression profiling and mass spectrometry 13736 S000002981 ORF Verified YGL013C PDR1 7 472303 469097 C Zinc cluster protein that is a master regulator involved in recruiting other zinc cluster proteins to pleiotropic drug response elements (PDREs) to fine tune the regulation of multidrug resistance genes 13738 S000002980 ORF Verified YGL012W ERG4 7 472860 474281 W C-24(28) sterol reductase, catalyzes the final step in ergosterol biosynthesis; mutants are viable, but lack ergosterol 13740 S000002979 ORF Verified YGL011C SCL1 7 475252 474494 C Alpha subunit of the 20S core complex of the 26S proteasome involved in the degradation of ubiquitinated substrates; essential for growth; detected in the mitochondria 13742 S000002978 ORF Uncharacterized YGL010W n.a. 7 475550 476074 W Hypothetical protein 13744 S000002977 ORF Verified YGL009C LEU1 7 478657 476318 C Isopropylmalate isomerase, catalyzes the second step in the leucine biosynthesis pathway 13746 S000002976 ORF Verified YGL008C PMA1 7 482671 479915 C Plasma membrane H+-ATPase, pumps protons out of the cell; major regulator of cytoplasmic pH and plasma membrane potential; part of the P2 subgroup of cation-transporting ATPases 13748 S000028632 ORF Uncharacterized YGL007C-A n.a. 7 483032 482946 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 13750 S000002975 ORF Dubious YGL007W n.a. 7 483265 483642 W Hypothetical protein 13752 S000028769 ORF Uncharacterized YGL006W-A n.a. 7 485428 485538 W Identified by SAGE 13754 S000002974 ORF Verified YGL006W PMC1 7 485925 489446 W Vacuolar Ca2+ ATPase involved in depleting cytosol of Ca2+ ions; prevents growth inhibition by activation of calcineurin in the presence of elevated concentrations of calcium 13756 S000002973 ORF Verified YGL005C COG7 7 490551 489712 C Component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments 13758 S000002972 ORF Uncharacterized YGL004C RPN14 7 491960 490707 C Putative non-ATPase subunit of the 19S regulatory particle of the 26S proteasome; localized to the cytoplasm 13760 S000002971 ORF Verified YGL003C CDH1 7 494178 492478 C CDC20 homolog 1; protein required for Clb2 and Ase1 degradation 13762 S000002970 ORF Verified YGL002W ERP6 7 494521 495171 W Protein with similarity to Emp24p and Erv25p, member of the p24 family involved in ER to Golgi transport 13764 S000002969 ORF Verified YGL001C ERG26 7 496506 495457 C C-3 sterol dehydrogenase, catalyzes the second of three steps required to remove two C-4 methyl groups from an intermediate in ergosterol biosynthesis 13770 S000003233 ORF Uncharacterized YGR001C n.a. 7 498038 497137 C Protein with similarity to methyltransferase family members; required for replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 13774 S000032875 intron n.a. n.a. n.a. 7 497462 497370 C n.a. 13775 S000032874 intron n.a. n.a. n.a. 7 498003 497942 C n.a. 13776 S000003234 ORF Verified YGR002C SWC4 7 499910 498480 C Protein of unknown function, component of the Swr1p complex that incorporates Htz1p into chromatin; component of the NuA4 histone acetyltransferase complex 13778 S000003235 ORF Verified YGR003W CUL3 7 500136 502370 W Ubiquitin-protein ligase, member of the cullin family with similarity to Cdc53p and human CUL3; null mutation has no apparent phenotype 13780 S000003236 ORF Verified YGR004W PEX31 7 502942 504330 W Peroxisomal integral membrane protein, involved in negative regulation of peroxisome size; partially functionally redundant with Pex30p and Pex32p; probably acts at a step downstream of steps mediated by Pex28p and Pex29p 13782 S000003237 ORF Verified YGR005C TFG2 7 505863 504661 C transcription initiation factor TFIIF middle subunit 13784 S000003238 ORF Verified YGR006W PRP18 7 506074 506829 W Splicing factor involved in the positioning of the 3' splice site during the second catalytic step of splicing, recruited to the spliceosome by Slu7p 13786 S000003239 ORF Verified YGR007W MUQ1 7 506973 507944 W Choline phosphate cytidylyltransferase, catalyzes the second step of phosphatidylethanolamine biosynthesis; involved in the maintenance of plasma membrane; similar to mammalian CTP: phosphocholine cytidylyl-transferases 13788 S000003240 ORF Verified YGR008C STF2 7 508368 508114 C Protein involved in regulation of the mitochondrial F1F0-ATP synthase; Stf1p and Stf2p act as stabilizing factors that enhance inhibitory action of the Inh1p protein 13790 S000003241 ORF Verified YGR009C SEC9 7 511006 509051 C t-SNARE protein important for fusion of secretory vesicles with the plasma membrane; similar to but not functionally redundant with Spo20p; SNAP-25 homolog 13792 S000003242 ORF Verified YGR010W NMA2 7 511549 512736 W Nicotinic acid mononucleotide adenylyltransferase, involved in NAD(+) salvage pathway 13794 S000003243 ORF Dubious YGR011W n.a. 7 512501 512827 W Hypothetical protein 13796 S000003244 ORF Uncharacterized YGR012W n.a. 7 513163 514344 W Hypothetical protein 13798 S000003245 ORF Verified YGR013W SNU71 7 514558 516420 W associated with U1 snRNP (no counterpart in mammalian U1 snRNP; contains few SR-, RE- and RD-dipeptides; U1 snRNP protein 13800 S000003246 ORF Verified YGR014W MSB2 7 516947 520867 W Mucin family member at the head of the Cdc42p- and MAP kinase-dependent filamentous growth signaling pathway; also functions as an osmosensor in parallel to the Sho1p-mediated pathway; potential Cdc28p substrate 13802 S000003247 ORF Uncharacterized YGR015C n.a. 7 522080 521094 C Hypothetical protein 13804 S000003248 ORF Uncharacterized YGR016W n.a. 7 522265 522837 W Hypothetical protein 13806 S000003249 ORF Uncharacterized YGR017W n.a. 7 523791 524684 W Hypothetical protein 13808 S000003250 ORF Dubious YGR018C n.a. 7 524698 524369 C Hypothetical protein 13810 S000003251 ORF Verified YGR019W UGA1 7 525233 526648 W Gamma-aminobutyrate (GABA) transaminase (4-aminobutyrate aminotransferase) involved in the 4-aminobutyrate and glutamate degradation pathways; required for normal oxidative stress tolerance and nitrogen utilization 13812 S000003252 ORF Verified YGR020C VMA7 7 527333 526977 C Subunit F of the eight-subunit V1 peripheral membrane domain of vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found throughout the endomembrane system; required for the V1 domain to assemble onto the vacuolar membrane 13814 S000003253 ORF Uncharacterized YGR021W n.a. 7 527636 528508 W Hypothetical protein 13816 S000003255 ORF Verified YGR023W MTL1 7 529268 530923 W Protein with both structural and functional similarity to Mid2p, which is a plasma membrane sensor required for cell integrity signaling during pheromone-induced morphogenesis; suppresses rgd1 null mutations 13818 S000003254 ORF Dubious YGR022C n.a. 7 529590 529261 C Hypothetical protein 13820 S000006532 tRNA n.a. tD(GUC)G1 n.a. 7 531614 531685 W tRNA-Asp 13822 S000003256 ORF Verified YGR024C THG1 7 532600 531887 C tRNAHis guanylyltransferase, adds a guanosine residue to the 5' end of tRNAHis after transcription and RNase P cleavage; couples nuclear division and migration to cell budding and cytokinesis; essential enzyme conserved among eukaryotes 13824 S000003257 ORF Dubious YGR025W n.a. 7 532643 532945 W Hypothetical protein 13826 S000003258 ORF Uncharacterized YGR026W n.a. 7 532989 533825 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 13828 S000003259 ORF Verified YGR027C RPS25A 7 534462 534136 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps25Bp and has similarity to rat S25 ribosomal protein 13841 S000006555 tRNA n.a. tE(UUC)G3 n.a. 7 541854 541925 W tRNA-Glu 13843 S000003260 ORF Verified YGR028W MSP1 7 542207 543295 W Mitochondrial protein involved in sorting of proteins in the mitochondria; putative membrane-spanning ATPase 13845 S000003261 ORF Verified YGR029W ERV1 7 543557 544209 W Flavin-linked sulfhydryl oxidase localized to the mitochondrial intermembrane space, has a role in the maturation of cytosolic iron-sulfur proteins; ortholog of human hepatopoietin (ALR) 13848 S000035765 intron n.a. n.a. n.a. 7 543643 543725 W n.a. 13849 S000006533 tRNA n.a. tD(GUC)G2 n.a. 7 544652 544581 C tRNA-Asp 13851 S000006506 snoRNA n.a. snR46 SNR46 7 545373 545569 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at position 2861 13853 S000003262 ORF Verified YGR030C POP6 7 546161 545685 C Subunit of both RNase MRP, which cleaves pre-rRNA, and nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends 13855 S000003263 ORF Uncharacterized YGR031W n.a. 7 546445 547473 W Hypothetical protein 13857 S000028636 ORF Dubious YGR031C-A n.a. 7 547304 546813 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 13859 S000003264 ORF Verified YGR032W GSC2 7 548268 553955 W Catalytic subunit of 1,3-beta-glucan synthase, has similarity to an alternate catalytic subunit, Fks1p (Gsc1p); Rho1p encodes the regulatory subunit; involved in cell wall synthesis and maintenance 13861 S000003265 ORF Verified YGR033C TIM21 7 554971 554252 C Constituent of the mitochondrial inner membrane presequence translocase (TIM23 complex); may regulate protein import by binding to both the translocase of the outer membrane (TOM) and presequence-associated motor (PAM) complexes 13863 S000003266 ORF Verified YGR034W RPL26B 7 555933 556676 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl26Ap and has similarity to E. coli L24 and rat L26 ribosomal proteins; binds to 5.8S rRNA 13866 S000037474 intron n.a. n.a. n.a. 7 555958 556311 W n.a. 13867 S000003267 ORF Uncharacterized YGR035C n.a. 7 557426 557076 C Protein of unknown function, potential Cdc28p substrate; transcription is activated by paralogous transcription factors Yrm1p and Yrr1p along with genes involved in multidrug resistance 13869 S000028827 ORF Uncharacterized YGR035W-A n.a. 7 557569 557790 W Identified by expression profiling and mass spectrometry 13871 S000003268 ORF Verified YGR036C CAX4 7 558872 558153 C Dolichyl pyrophosphate (Dol-P-P) phosphatase with a luminally oriented active site in the ER, cleaves the anhydride linkage in Dol-P-P, required for Dol-P-P-linked oligosaccharide intermediate synthesis and protein N-glycosylation 13873 S000003269 ORF Verified YGR037C ACB1 7 559998 559735 C Acyl-CoA-binding protein, transports newly synthesized acyl-CoA esters from fatty acid synthetase (Fas1p-Fas2p) to acyl-CoA-consuming processes 13875 S000003270 ORF Verified YGR038W ORM1 7 560686 561354 W Evolutionarily conserved protein with similarity to Orm2p, required for resistance to agents that induce the unfolded protein response; human ortholog is located in the endoplasmic reticulum 13877 S000006725 tRNA n.a. tS(AGA)G n.a. 7 561747 561666 C tRNA-Ser 13891 S000003271 ORF Dubious YGR039W n.a. 7 574892 575203 W Hypothetical protein 13893 S000003272 ORF Verified YGR040W KSS1 7 575402 576508 W Mitogen-activated protein kinase (MAPK) involved in signal transduction pathways that control filamentous growth and pheromone response 13895 S000003273 ORF Verified YGR041W BUD9 7 577491 579134 W Protein involved in bud-site selection; diploid mutants display a unipolar budding pattern instead of the wild-type bipolar pattern, and bud at the distal pole 13897 S000003274 ORF Uncharacterized YGR042W n.a. 7 579480 580295 W Hypothetical protein 13899 S000003275 ORF Uncharacterized YGR043C n.a. 7 581440 580439 C Hypothetical protein 13901 S000003276 ORF Verified YGR044C RME1 7 583896 582994 C Zinc finger protein involved in control of meiosis; prevents meiosis by repressing IME1 expression and promotes mitosis by activating CLN2 expression; directly repressed by a1-a2 regulator; mediates cell type control of sporulation 13903 S000003277 ORF Uncharacterized YGR045C n.a. 7 584300 583938 C Hypothetical protein 13905 S000003278 ORF Uncharacterized YGR046W n.a. 7 584899 586056 W Essential protein of unknown function, mRNA is targeted to the bud via the mRNA transport system involving She2p 13907 S000003279 ORF Verified YGR047C TFC4 7 589473 586396 C One of six subunits of the RNA polymerase III transcription initiation factor complex (TFIIIC); part of the TauA domain of TFIIIC that binds BoxA DNA promoter sites of tRNA and similar genes; has TPR motifs; human homolog is TFIIIC-102 13909 S000003280 ORF Verified YGR048W UFD1 7 589830 590915 W Protein that interacts with Cdc48p and Npl4p, involved in recognition of polyubiquitinated proteins and their presentation to the 26S proteasome for degradation; involved in transporting proteins from the ER to the cytosol 13911 S000003281 ORF Verified YGR049W SCM4 7 591318 591881 W Potential regulatory effector of CDC4 function, suppresses a temperature-sensitive allele of CDC4, tripartite protein structure in which a charged region separates two uncharged domains, not essential for mitosis or meiosis 13913 S000003282 ORF Dubious YGR050C n.a. 7 592446 592090 C Hypothetical protein 13915 S000003283 ORF Dubious YGR051C n.a. 7 593233 592910 C Hypothetical protein 13917 S000003284 ORF Uncharacterized YGR052W n.a. 7 593600 594709 W The authentic, non-tagged protein was localized to the mitochondria 13919 S000003285 ORF Uncharacterized YGR053C n.a. 7 595841 594990 C Hypothetical protein 13921 S000003286 ORF Uncharacterized YGR054W n.a. 7 596697 598625 W yeast homolog of mammalian eIF2A 13923 S000003287 ORF Verified YGR055W MUP1 7 599421 601145 W High affinity methionine permease, integral membrane protein with 13 putative membrane-spanning regions; also involved in cysteine uptake 13925 S000003288 ORF Verified YGR056W RSC1 7 601665 604451 W One of 15 subunits of the 'Remodel the Structure of Chromatin' (RSC) complex; required for expression of mid-late sporulation-specific genes; contains two essential bromodomains, a bromo-adjacent homology (BAH) domain, and an AT hook 13927 S000003289 ORF Verified YGR057C LST7 7 605505 604777 C Protein possibly involved in a post-Golgi secretory pathway; required for the transport of nitrogen-regulated amino acid permease Gap1p from the Golgi to the cell surface 13929 S000003290 ORF Uncharacterized YGR058W n.a. 7 606140 607147 W Hypothetical protein 13931 S000003291 ORF Verified YGR059W SPR3 7 607567 609105 W a sporulation-specific homologue of the yeast CDC3/10/11/12 family of bud neck microfilament genes; regulated by ABFI; septin protein involved in sporulation 13933 S000006440 snoRNA n.a. snR48 SNR48 7 609588 609700 W guides 2'-O-methylation on large subunit rRNA at G2788 and G2790; small nucleolar RNA snR48 13935 S000003292 ORF Verified YGR060W ERG25 7 610568 611497 W C-4 methyl sterol oxidase, catalyzes the first of three steps required to remove two C-4 methyl groups from an intermediate in ergosterol biosynthesis; mutants accumulate the sterol intermediate 4,4-dimethylzymosterol 13937 S000003293 ORF Verified YGR061C ADE6 7 615969 611893 C Formylglycinamidine-ribonucleotide (FGAM)-synthetase, catalyzes a step in the 'de novo' purine nucleotide biosynthetic pathway 13939 S000003294 ORF Verified YGR062C COX18 7 617282 616332 C Mitochondrial inner membrane protein, required for export of the Cox2p C terminus from the mitochondrial matrix to the intermembrane space during its assembly into cytochrome c oxidase; similar to Oxa2p of N. crassa 13941 S000003296 ORF Dubious YGR064W n.a. 7 617625 617993 W Hypothetical protein 13943 S000003295 ORF Verified YGR063C SPT4 7 617828 617520 C Protein that forms a complex with Spt5p and mediates both activation and inhibition of transcription elongation, and plays a role in pre-mRNA processing; in addition, Spt4p is involved in kinetochore function and gene silencing 13945 S000003297 ORF Verified YGR065C VHT1 7 619862 618081 C High-affinity plasma membrane H+-biotin (vitamin H) symporter; mutation results in fatty acid auxotrophy; 12 transmembrane domain containing major facilitator subfamily member; mRNA levels negatively regulated by iron deprivation and biotin 13947 S000003298 ORF Uncharacterized YGR066C n.a. 7 621803 620925 C Hypothetical protein 13949 S000003299 ORF Uncharacterized YGR067C n.a. 7 624790 622406 C Hypothetical protein; has similarity to Adr1p DNA-binding domain 13951 S000028637 ORF Dubious YGR068W-A n.a. 7 626298 626393 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 13953 S000003301 ORF Dubious YGR069W n.a. 7 627087 627422 W Hypothetical protein 13955 S000003300 ORF Uncharacterized YGR068C n.a. 7 627088 625328 C Hypothetical protein 13957 S000003302 ORF Verified YGR070W ROM1 7 627810 631277 W GDP/GTP exchange protein (GEP) for Rho1p; mutations are synthetically lethal with mutations in rom2, which also encodes a GEP 13959 S000003303 ORF Uncharacterized YGR071C n.a. 7 634067 631485 C Hypothetical protein 13961 S000003304 ORF Verified YGR072W UPF3 7 634308 635471 W Component of the nonsense-mediated mRNA decay (NMD) pathway, along with Nam7p and Nmd2p; involved in decay of mRNA containing nonsense codons 13963 S000003306 ORF Verified YGR074W SMD1 7 635716 636156 W Homolog of human core snRNP protein D1, involved in snRNA maturation; U6 snRNP protein 13965 S000003305 ORF Dubious YGR073C n.a. 7 635990 635619 C Protein required for cell viability 13967 S000003307 ORF Verified YGR075C PRP38 7 636879 636151 C Unique component of the U4/U6.U5 tri-snRNP particle, dispensable for spliceosome assembly, but required for conformational changes which lead to catalytic activation of the spliceosome 13969 S000003308 ORF Verified YGR076C MRPL25 7 637581 637108 C Mitochondrial ribosomal protein of the large subunit 13971 S000003309 ORF Verified YGR077C PEX8 7 639517 637748 C Intraperoxisomal organizer of the peroxisomal import machinery, tightly associated with the lumenal face of the peroxisomal membrane, essential for peroxisome biogenesis, binds PTS1-signal receptor Pex5p 13973 S000003310 ORF Verified YGR078C PAC10 7 640375 639776 C Part of the heteromeric co-chaperone GimC/prefoldin complex, which promotes efficient protein folding 13975 S000003311 ORF Uncharacterized YGR079W n.a. 7 640724 641836 W Hypothetical protein 13977 S000003312 ORF Verified YGR080W TWF1 7 642014 643012 W Twinfilin, highly conserved actin monomer-sequestering protein involved in regulation of the cortical actin cytoskeleton, composed of two cofilin-like regions, localizes actin monomers to sites of rapid filament assembly 13979 S000003313 ORF Verified YGR081C SLX9 7 643784 643152 C Protein of unknown function; deletion mutant has synthetic fitness defect with an sgs1 deletion mutant 13981 S000003314 ORF Verified YGR082W TOM20 7 644048 644599 W Translocase of Outer Mitochondrial membrane; 20 kDa mitochondrial outer membrane protein import receptor 13983 S000003315 ORF Verified YGR083C GCD2 7 646819 644864 C Delta subunit of the translation initiation factor eIF2B, the guanine-nucleotide exchange factor for eIF2; activity subsequently regulated by phosphorylated eIF2; first identified as a negative regulator of GCN4 expression 13985 S000003316 ORF Verified YGR084C MRP13 7 648146 647127 C Mitochondrial ribosomal protein of the small subunit 13987 S000003317 ORF Verified YGR085C RPL11B 7 648911 648387 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl11Ap; involved in ribosomal assembly; depletion causes degradation of proteins and RNA of the 60S subunit; has similarity to E. coli L5 and rat L11 13989 S000003318 ORF Verified YGR086C PIL1 7 650621 649602 C Long chain base-responsive inhibitor of protein kinases Phk1p and Phk2p, acts along with Lsp1p to down-regulate heat stress resistance via regulation of the Pkc1p and Ypk1p pathways; phosphorylated by Phk1p and Phk2p 13991 S000003319 ORF Verified YGR087C PDC6 7 652985 651294 C Minor isoform of pyruvate decarboxylase, key enzyme in alcoholic fermentation, decarboxylates pyruvate to acetaldehyde, regulation is glucose- and ethanol-dependent, involved in amino acid catabolism 13993 S000003320 ORF Verified YGR088W CTT1 7 654605 656326 W Cytosolic catalase T, has a role in protection from oxidative damage by hydrogen peroxide 13995 S000003321 ORF Uncharacterized YGR089W NNF2 7 656964 659774 W Protein that exhibits physical and genetic interactions with Rpb8p, which is a subunit of RNA polymerases I, II, and III; computational analysis of large-scale protein-protein interaction data suggests a role in chromosome segregation 13997 S000006749 tRNA n.a. tT(UGU)G1 n.a. 7 661753 661824 W tRNA-Thr 13999 S000003322 ORF Uncharacterized YGR090W UTP22 7 662362 666075 W Possible U3 snoRNP protein involved in maturation of pre-18S rRNA, based on computational analysis of large-scale protein-protein interaction data 14001 S000003323 ORF Verified YGR091W PRP31 7 666345 667829 W Splicing factor, component of the U4/U6-U5 snRNP complex 14003 S000003324 ORF Verified YGR092W DBF2 7 668193 669911 W Ser/Thr kinase involved in transcription and stress response; functions as part of a network of genes in exit from mitosis; localization is cell cycle regulated; activated by Cdc15p during the exit from mitosis 14005 S000003325 ORF Uncharacterized YGR093W n.a. 7 670392 671915 W Hypothetical protein 14007 S000003326 ORF Verified YGR094W VAS1 7 672190 675504 W Mitochondrial and cytoplasmic valyl-tRNA synthetase 14009 S000003327 ORF Verified YGR095C RRP46 7 676346 675675 C Protein involved in rRNA processing; component of the exosome 3->5 exonuclease complex 14011 S000003328 ORF Verified YGR096W TPC1 7 676625 677569 W Mitochondrial membrane transporter that mediates uptake of the essential cofactor thiamine pyrophosphate (ThPP) into mitochondria; expression appears to be regulated by carbon source; member of the mitochondrial carrier family 14013 S000003329 ORF Verified YGR097W ASK10 7 678699 682139 W Component of the RNA polymerase II holoenzyme, phosphorylated in response to oxidative stress; has a role in destruction of Ssn8p, which relieves repression of stress-response genes 14015 S000003330 ORF Verified YGR098C ESP1 7 687462 682570 C Separase with cysteine protease activity (related to caspases) that promotes sister chromatid separation by mediating dissociation of the cohesin Scc1p from chromatin; inhibited by Pds1p 14017 S000003331 ORF Verified YGR099W TEL2 7 687903 689969 W Essential DNA-binding protein specific to single-stranded yeast telomeric DNA repeats, required for telomere length regulation and telomere position effect 14019 S000003332 ORF Verified YGR100W MDR1 7 690249 693101 W Cytoplasmic GTPase-activating protein for Ypt/Rab transport GTPases Ypt6p, Ypt31p and Sec4p; involved in recycling of internalized proteins and regulation of Golgi secretory function 14021 S000003333 ORF Verified YGR101W PCP1 7 693367 694407 W Mitochondrial serine protease required for the processing of various mitochondrial proteins and maintenance of mitochondrial DNA and morphology; belongs to the rhomboid-GlpG superfamily of intramembrane peptidases 14023 S000003334 ORF Uncharacterized YGR102C n.a. 7 695139 694588 C Hypothetical protein 14025 S000003335 ORF Verified YGR103W NOP7 7 695421 697238 W Nucleolar protein involved in rRNA processing and 60S ribosomal subunit biogenesis; constituent of several different pre-ribosomal particles 14027 S000003336 ORF Verified YGR104C SRB5 7 698372 697449 C subunit of RNA polymerase II holoenzyme/mediator complex 14029 S000003337 ORF Verified YGR105W VMA21 7 698603 698836 W Integral membrane protein that is required for vacuolar H+-ATPase (V-ATPase) function, although not an actual component of the V-ATPase complex; functions in the assembly of the V-ATPase; localized to the yeast endoplasmic reticulum (ER) 14031 S000003338 ORF Uncharacterized YGR106C n.a. 7 699790 698993 C Hypothetical protein 14033 S000006646 tRNA n.a. tL(GAG)G n.a. 7 700679 700760 W tRNA-Leu 14035 S000006631 tRNA n.a. tK(UUU)G2 n.a. 7 701052 700957 C tRNA-Lys 14036 S000033693 intron n.a. n.a. n.a. 7 701015 700993 C n.a. 14040 S000003339 ORF Dubious YGR107W n.a. 7 702671 703120 W Hypothetical protein 14042 S000003340 ORF Verified YGR108W CLB1 7 703640 705055 W B-type cyclin involved in cell cycle progression; activates Cdc28p to promote the transition from G2 to M phase; accumulates during G2 and M, then targeted via a destruction box motif for ubiquitin-mediated degradation by the proteasome 14044 S000003341 ORF Verified YGR109C CLB6 7 706505 705363 C B-type cyclin involved in DNA replication during S phase; activates Cdc28p to promote initiation of DNA synthesis; functions in formation of mitotic spindles along with Clb3p and Clb4p; most abundant during late G1 14046 S000006527 tRNA n.a. tC(GCA)G n.a. 7 707183 707112 C tRNA-Cys 14058 S000003342 ORF Uncharacterized YGR110W n.a. 7 713713 715050 W Hypothetical protein 14060 S000003343 ORF Uncharacterized YGR111W n.a. 7 715832 717034 W Hypothetical protein 14062 S000003344 ORF Verified YGR112W SHY1 7 717362 718531 W Mitochondrial inner membrane protein required for normal respiration, possible chaperone involved in assembly of cytochrome c oxidase; similar to SURF1 from mammals, chickens, and D. melanogaster 14064 S000003345 ORF Verified YGR113W DAM1 7 718897 719928 W Component of the DASH complex, localized to intranuclear spindles and spindle pole bodies; interacts with Duo1p and Mps1p; key Ipl1p target for regulating kinetochore-microtubule attachments 14066 S000003348 ORF Verified YGR116W SPT6 7 720413 724768 W Essential protein that interacts with histones and is involved in nucleosome disassembly and reassembly during transcription elongation 14068 S000003346 ORF Dubious YGR114C n.a. 7 720658 720269 C Protein required for cell viability 14070 S000003347 ORF Dubious YGR115C n.a. 7 721155 720376 C Protein required for cell viability 14072 S000003349 ORF Uncharacterized YGR117C n.a. 7 726483 725053 C Hypothetical protein 14074 S000003350 ORF Verified YGR118W RPS23A 7 726978 727735 W Ribosomal protein 28 (rp28) of the small (40S) ribosomal subunit, required for translational accuracy; nearly identical to Rps23Bp and similar to E. coli S12 and rat S23 ribosomal proteins; deletion of both RPS23A and RPS23B is lethal 14077 S000033496 intron n.a. n.a. n.a. 7 727043 727362 W n.a. 14078 S000003351 ORF Verified YGR119C NUP57 7 729676 728051 C Essential subunit of the nuclear pore complex (NPC), functions as the organizing center of an NPC subcomplex containing Nsp1p, Nup49p, Nup57p, and Nic96p 14080 S000003352 ORF Verified YGR120C COG2 7 730826 730038 C Essential component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments 14082 S000006670 tRNA n.a. tN(GUU)G n.a. 7 731142 731215 W tRNA-Asn 14084 S000003353 ORF Verified YGR121C MEP1 7 732932 731454 C Ammonium permease; belongs to a ubiquitous family of cytoplasmic membrane proteins that transport only ammonium (NH4+); expression is under the nitrogen catabolite repression regulation 14086 S000028550 ORF Uncharacterized YGR121W-A n.a. 7 733417 733632 W Identified by fungal homology and RT-PCR 14088 S000003354 ORF Uncharacterized YGR122W n.a. 7 733940 735148 W Hypothetical protein 14091 S000007240 ORF Dubious YGR122C-A n.a. 7 735763 735635 C Similar to probable membrane protein YLR334C and ORF YOL106W 14094 S000006713 tRNA n.a. tR(UCU)G3 n.a. 7 736345 736416 W tRNA-Arg 14096 S000003355 ORF Verified YGR123C PPT1 7 738208 736667 C Protein serine/threonine phosphatase with similarity to human phosphatase PP5; present in both the nucleus and cytoplasm; expressed during logarithmic growth 14098 S000006604 tRNA n.a. tI(AAU)G n.a. 7 739127 739200 W tRNA-Ile 14100 S000003356 ORF Verified YGR124W ASN2 7 739949 741667 W Asparagine synthetase, isozyme of Asn1p; catalyzes the synthesis of L-asparagine from L-aspartate in the asparagine biosynthetic pathway 14102 S000003357 ORF Uncharacterized YGR125W n.a. 7 742330 745440 W Hypothetical protein 14104 S000003358 ORF Uncharacterized YGR126W n.a. 7 745840 746532 W Hypothetical protein 14106 S000003359 ORF Uncharacterized YGR127W n.a. 7 746803 747741 W Hypothetical protein 14108 S000003360 ORF Verified YGR128C UTP8 7 750096 747955 C Nucleolar protein required for export of tRNAs from the nucleus; also copurifies with the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 14110 S000003361 ORF Verified YGR129W SYF2 7 750405 751052 W Component of the spliceosome complex involved in pre-mRNA splicing; involved in regulation of cell cycle progression 14112 S000003362 ORF Uncharacterized YGR130C n.a. 7 753849 751399 C Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 14114 S000003363 ORF Uncharacterized YGR131W n.a. 7 754731 755255 W Hypothetical protein 14116 S000003364 ORF Verified YGR132C PHB1 7 756457 755594 C Subunit of the prohibitin complex (Phb1p-Phb2p), a 1.2 MDa ring-shaped inner mitochondrial membrane chaperone that stabilizes newly synthesized proteins; determinant of replicative life span; involved in mitochondrial segregation 14118 S000003365 ORF Verified YGR133W PEX4 7 756901 757452 W Peroxisomal ubiquitin conjugating enzyme required for peroxisomal matrix protein import and peroxisome biogenesis 14120 S000003366 ORF Verified YGR134W CAF130 7 757775 761143 W Part of the evolutionarily-conserved CCR4-NOT transcriptional regulatory complex involved in controlling mRNA initiation, elongation, and degradation 14122 S000003367 ORF Verified YGR135W PRE9 7 761397 762173 W 20S proteasome beta-type subunit; the only nonessential 20S subunit 14124 S000003368 ORF Verified YGR136W LSB1 7 762433 763158 W Protein containing an N-terminal SH3 domain; binds Las17p, which is a homolog of human Wiskott-Aldrich Syndrome protein involved in actin patch assembly and actin polymerization 14126 S000003369 ORF Dubious YGR137W n.a. 7 762893 763267 W Hypothetical protein 14128 S000003370 ORF Verified YGR138C TPO2 7 765611 763767 C Polyamine transport protein specific for spermine; localizes to the plasma membrane; transcription of TPO2 is regulated by Haa1p; member of the major facilitator superfamily 14130 S000003371 ORF Dubious YGR139W n.a. 7 765731 766069 W Hypothetical protein 14132 S000003372 ORF Verified YGR140W CBF2 7 767434 770304 W Essential kinetochore protein, component of the CBF3 multisubunit complex that binds to the CDEIII region of the centromere; Cbf2p also binds to the CDEII region possibly forming a different multimeric complex, ubiquitinated in vivo 14134 S000003373 ORF Verified YGR141W VPS62 7 770574 771977 W Vacuolar protein sorting (VPS) protein required for cytoplasm to vacuole targeting of proteins 14136 S000003374 ORF Verified YGR142W BTN2 7 772459 773691 W Cytosolic coiled-coil protein that modulates arginine uptake, interacts with Rhb1p, possible role in mediating pH homeostasis between the vacuole and plasma membrane H(+)-ATPase, may have a role in intracellular protein trafficking 14139 S000006512 tRNA n.a. tA(AGC)G n.a. 7 774354 774426 W tRNA-Ala 14141 S000003375 ORF Verified YGR143W SKN1 7 775198 777513 W Protein involved in sphingolipid biosynthesis; type II membrane protein with similarity to Kre6p 14146 S000006590 tRNA n.a. tG(UCC)G SUF4 7 779621 779692 W tRNA-Gly 14148 S000003376 ORF Verified YGR144W THI4 7 780404 781384 W Protein required for thiamine biosynthesis and for mitochondrial genome stability 14150 S000003377 ORF Uncharacterized YGR145W ENP2 7 781772 783895 W Essential nucleolar protein of unknown function; contains WD repeats, interacts with Mpp10p and Bfr2p, and has homology to Spb1p 14152 S000003378 ORF Uncharacterized YGR146C n.a. 7 784863 784228 C Hypothetical protein 14154 S000028638 ORF Uncharacterized YGR146C-A n.a. 7 785442 785281 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14156 S000003379 ORF Verified YGR147C NAT2 7 786925 786059 C N alpha-acetyl-transferase, transfers acetyl group from acetyl coenzyme A to the N-terminal methionine residues of proteins 14158 S000003380 ORF Verified YGR148C RPL24B 7 787784 787317 C Ribosomal protein L30 of the large (60S) ribosomal subunit, nearly identical to Rpl24Ap and has similarity to rat L24 ribosomal protein; not essential for translation but may be required for normal translation rate 14160 S000003381 ORF Uncharacterized YGR149W n.a. 7 789036 790334 W Hypothetical protein 14162 S000003382 ORF Uncharacterized YGR150C n.a. 7 793058 790464 C Hypothetical protein 14165 S000006523 tRNA n.a. tA(UGC)G n.a. 7 794422 794494 W tRNA-Ala 14167 S000003383 ORF Dubious YGR151C n.a. 7 794995 794660 C Hypothetical protein 14169 S000003384 ORF Verified YGR152C RSR1 7 795497 794679 C GTP-binding protein of the ras superfamily required for bud site selection, morphological changes in response to mating pheromone, and efficient cell fusion; localized to the plasma membrane; significantly similar to mammalian Rap GTPases 14171 S000003385 ORF Uncharacterized YGR153W n.a. 7 796097 796750 W Hypothetical protein 14173 S000003386 ORF Uncharacterized YGR154C n.a. 7 797873 796803 C Omega-class glutathione transferase 14175 S000003387 ORF Verified YGR155W CYS4 7 798548 800071 W Cystathionine beta-synthase, catalyzes the synthesis of cystathionine from serine and homocysteine, the first committed step in cysteine biosynthesis 14177 S000003388 ORF Verified YGR156W PTI1 7 800551 801828 W Pta1p Interacting protein 14179 S000003389 ORF Verified YGR157W CHO2 7 802445 805054 W First step in the methylation pathway for phosphatidylcholine biosynthesis; Phosphatidyl-ethanolamine N-methyltransferase 14181 S000003390 ORF Verified YGR158C MTR3 7 806026 805274 C 3'5' exoribonuclease, exosome subunit; nucleolar protein involved in export of mRNA and ribosomal subunits; homologous to the E. coli exonuclease RNase PH 14183 S000003392 ORF Dubious YGR160W n.a. 7 807078 807689 W Hypothetical protein 14185 S000003391 ORF Verified YGR159C NSR1 7 807661 806417 C Nucleolar protein that binds nuclear localization sequences, required for pre-rRNA processing and ribosome biogenesis 14187 S000003393 ORF Uncharacterized YGR161C RTS3 7 809425 808634 C Putative component of the protein phosphatase type 2A complex 14189 S000029726 ORF Uncharacterized YGR161W-C n.a. 7 810232 810510 W ORF, Uncharacterized 14209 S000006756 tRNA n.a. tV(AAC)G2 n.a. 7 823487 823560 W tRNA-Val 14211 S000003394 ORF Verified YGR162W TIF4631 7 824064 826922 W Translation initiation factor eIF4G, subunit of the mRNA cap-binding protein complex (eIF4F) that also contains eIF4E (Cdc33p); associates with the poly(A)-binding protein Pab1p, also interacts with eIF4A (Tif1p); homologous to Tif4632p 14213 S000003395 ORF Verified YGR163W GTR2 7 827557 828582 W Cytoplasmic GTP binding protein, negative regulator of the Ran/Tc4 GTPase cycle downstream of Gtr1p; homolog of human RagC and RagD proteins; component of the EGO complex, which is involved in the regulation of microautophagy 14215 S000003396 ORF Dubious YGR164W n.a. 7 828630 828965 W Hypothetical protein 14217 S000006712 tRNA n.a. tR(UCU)G2 n.a. 7 828799 828728 C tRNA-Arg 14219 S000003397 ORF Verified YGR165W MRPS35 7 829121 830158 W Mitochondrial ribosomal protein of the small subunit 14221 S000003398 ORF Verified YGR166W KRE11 7 830520 832202 W Protein involved in biosynthesis of cell wall beta-glucans; subunit of the TRAPP (transport protein particle) complex, which is involved in the late steps of endoplasmic reticulum to Golgi transport 14223 S000003399 ORF Verified YGR167W CLC1 7 832461 833162 W Clathrin light chain, subunit of the major coat protein involved in intracellular protein transport and endocytosis; thought to regulate clathrin function, two Clathrin heavy chains (CHC1) form the clathrin triskelion structural component 14225 S000003400 ORF Uncharacterized YGR168C n.a. 7 834487 833357 C Hypothetical protein 14227 S000003401 ORF Verified YGR169C PUS6 7 835908 834694 C Pseudouridine synthase responsible for modification of cytoplasmic and mitochondrial tRNAs at position 31; mutation of Asp168 to Ala abolishes enzyme activity; not essential for viability 14229 S000028521 ORF Uncharacterized YGR169C-A n.a. 7 836670 836392 C Identified by homology to Ashbya gossypii 14231 S000003402 ORF Verified YGR170W PSD2 7 837147 840563 W Phosphatidylserine decarboxylase of the Golgi and vacuolar membranes, converts phosphatidylserine to phosphatidylethanolamine 14233 S000003403 ORF Verified YGR171C MSM1 7 842556 840829 C Mitochondrial methionyl-tRNA synthetase (MetRS), functions as a monomer in mitochondrial protein synthesis; functions similarly to cytoplasmic MetRS although the cytoplasmic form contains a zinc-binding domain not found in Msm1p 14235 S000003404 ORF Verified YGR172C YIP1 7 843596 842850 C Integral membrane protein required for the biogenesis of ER-derived COPII transport vesicles; interacts with Yif1p and Yos1p; localizes to the Golgi, the ER, and COPII vesicles 14237 S000003405 ORF Uncharacterized YGR173W RBG2 7 843859 844965 W Protein with similarity to mammalian developmentally regulated GTP-binding protein 14240 S000006581 tRNA n.a. tG(GCC)G1 n.a. 7 845654 845724 W tRNA-Gly 14242 S000003406 ORF Verified YGR174C CBP4 7 846410 845898 C Essential for the expression and activity of ubiquinol-cytochrome c reductase; ubiquinol--cytochrome-c reductase assembly factor 14244 S000028639 ORF Uncharacterized YGR174W-A n.a. 7 846660 846746 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14246 S000003407 ORF Verified YGR175C ERG1 7 848428 846938 C Squalene epoxidase, catalyzes the epoxidation of squalene to 2,3-oxidosqualene; plays an essential role in the ergosterol-biosynthesis pathway and is the specific target of the antifungal drug terbinafine 14248 S000003408 ORF Dubious YGR176W n.a. 7 848725 849072 W Hypothetical protein 14250 S000003409 ORF Verified YGR177C ATF2 7 850441 848834 C Alcohol acetyltransferase, may play a role in steroid detoxification; forms volatile esters during fermentation, which is important in brewing 14252 S000003410 ORF Verified YGR178C PBP1 7 853220 851052 C Protein interacting with poly(A)-binding protein Pab1p; likely involved in control of the extent of mRNA polyadenylation 14254 S000003411 ORF Verified YGR179C OKP1 7 854900 853680 C Outer kinetochore protein, required for accurate mitotic chromosome segregation; forms a complex with Mcm21p and Okp1p that binds to centromeres via the CBF3 complex 14256 S000003412 ORF Verified YGR180C RNR4 7 856306 855269 C Ribonucleotide-diphosphate reductase (RNR), small subunit; the RNR complex catalyzes the rate-limiting step in dNTP synthesis and is regulated by DNA replication and DNA damage checkpoint pathways via localization of the small subunits 14258 S000006641 tRNA n.a. tL(CAA)G3 n.a. 7 857496 857383 C tRNA-Leu 14259 S000034251 intron n.a. n.a. n.a. 7 857458 857427 C n.a. 14262 S000003413 ORF Verified YGR181W TIM13 7 858292 858609 W Translocase of the inner membrane; mitochondrial intermembrane space protein mediating import and insertion of polytopic inner membrane proteins; Subunit of mitochondrial protein import machinery 14264 S000003414 ORF Dubious YGR182C n.a. 7 858909 858556 C Hypothetical protein 14266 S000003415 ORF Verified YGR183C QCR9 7 859481 859068 C Subunit 9 of the ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; required for electron transfer at the ubiquinol oxidase site of the complex 14269 S000032945 intron n.a. n.a. n.a. 7 859478 859266 C n.a. 14270 S000003416 ORF Verified YGR184C UBR1 7 865758 859906 C Ubiquitin-protein ligase (E3) that interacts with Rad6p/Ubc2p to ubiquitinate substrates of the N-end rule pathway; binds to the Rpn2p, Rpt1p, and Rpt6p proteins of the 19S particle of the 26S proteasome 14272 S000003417 ORF Verified YGR185C TYS1 7 867525 866341 C Cytoplasmic tyrosyl-tRNA synthetase, class I aminoacyl-tRNA synthetase that aminoacylates tRNA(Tyr), required for cytoplasmic protein synthesis, interacts with positions 34 and 35 of the anticodon of tRNATyr 14274 S000003418 ORF Verified YGR186W TFG1 7 867779 869986 W Largest subunit of the RNA Polymerase general transcription factor IIF (TFIIF), interacts with Fcp1p phosphatase and with TFIIB; potentially phosphorylated by Cdc28p 14276 S000003419 ORF Verified YGR187C HGH1 7 871421 870237 C Protein of unknown function with similarity to human HMG1 and HMG2; localizes to the cytoplasm 14278 S000003420 ORF Verified YGR188C BUB1 7 875114 872049 C Protein kinase that forms a complex with Mad1p and Bub3p that is crucial in the checkpoint mechanism required to prevent cell cycle progression into anaphase in the presence of spindle damage, associates with centromere DNA via Skp1p 14281 S000006623 tRNA n.a. tK(CUU)G3 n.a. 7 876399 876471 W tRNA-Lys 14283 S000003421 ORF Verified YGR189C CRH1 7 878197 876674 C Putative glycosidase of the cell wall, may have a role in cell wall architecture 14285 S000006772 tRNA n.a. tW(CCA)G2 n.a. 7 878820 878715 C tRNA-Trp 14286 S000032530 intron n.a. n.a. n.a. 7 878784 878751 C n.a. 14289 S000003423 ORF Verified YGR191W HIP1 7 880425 882236 W High-affinity histidine permease, also involved in the transport of manganese ions 14291 S000003422 ORF Dubious YGR190C n.a. 7 880666 880301 C Protein required for cell viability 14293 S000003424 ORF Verified YGR192C TDH3 7 883815 882817 C Glyceraldehyde-3-phosphate dehydrogenase, isozyme 3, involved in glycolysis and gluconeogenesis; tetramer that catalyzes the reaction of glyceraldehyde-3-phosphate to 1,3 bis-phosphoglycerate; detected in the cytoplasm and cell-wall 14295 S000003425 ORF Verified YGR193C PDX1 7 885746 884514 C Dihydrolipoamide dehydrogenase (E3)-binding protein (E3BP) of the mitochondrial pyruvate dehydrogenase (PDH) complex, plays a structural role in the complex by binding and positioning E3 to the dihydrolipoamide acetyltransferase (E2) core 14297 S000003426 ORF Verified YGR194C XKS1 7 887880 886078 C Xylulokinase, converts D-xylulose and ATP to xylulose 5-phosphate and ADP; rate limiting step in fermentation of xylulose; required for xylose fermentation by recombinant S. cerevisiae strains 14299 S000003427 ORF Verified YGR195W SKI6 7 888887 889627 W 3'-to-5' phosphorolytic exoribonuclease that is a subunit of the exosome; required for 3' processing of the 5.8S rRNA; involved in 3' to 5' mRNA degradation and translation inhibition of non-poly(A) mRNAs 14301 S000003428 ORF Verified YGR196C FYV8 7 892191 889738 C Protein of unknown function, required for survival upon exposure to K1 killer toxin 14303 S000003429 ORF Verified YGR197C SNG1 7 894145 892502 C Protein involved in nitrosoguanidine (MNNG) resistance; expression is regulated by transcription factors involved in multidrug resistance 14305 S000003430 ORF Uncharacterized YGR198W n.a. 7 894698 897151 W Essential protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 14307 S000003431 ORF Verified YGR199W PMT6 7 897507 899786 W Protein O-mannosyltransferase, transfers mannose from dolichyl phosphate-D-mannose to protein serine/threonine residues of secretory proteins; reaction is essential for cell wall rigidity; member of a family of mannosyltransferases 14309 S000003432 ORF Verified YGR200C ELP2 7 902275 899909 C Elongator protein, part of the six-subunit RNA polymerase II Elongator histone acetyltransferase complex; target of Kluyveromyces lactis zymocin 14311 S000003433 ORF Uncharacterized YGR201C n.a. 7 903202 902525 C Hypothetical protein 14313 S000003434 ORF Verified YGR202C PCT1 7 904753 903479 C Cholinephosphate cytidylyltransferase, also known as CTP:phosphocholine cytidylyltransferase, rate-determining enzyme of the CDP-choline pathway for phosphatidylcholine synthesis, inhibited by Sec14p, activated upon lipid-binding 14315 S000003435 ORF Uncharacterized YGR203W n.a. 7 905242 905688 W Probable protein tyrosine phosphatase of the CDC25-like phosphatase family, which includes Mih1p; potential ortholog S. pombe Ibp1 may regulate DNA replication 14317 S000003436 ORF Verified YGR204W ADE3 7 905939 908779 W Cytoplasmic trifunctional enzyme C1-tetrahydrofolate synthase, involved in single carbon metabolism and required for biosynthesis of purines, thymidylate, methionine, and histidine 14319 S000028640 ORF Uncharacterized YGR204C-A n.a. 7 909179 909066 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14321 S000003437 ORF Verified YGR205W n.a. 7 909218 910090 W Protein that binds ATP; crystal structure resembles that of E.coli pantothenate kinase 14323 S000003438 ORF Uncharacterized YGR206W n.a. 7 910437 910742 W Hypothetical protein 14325 S000003439 ORF Uncharacterized YGR207C n.a. 7 911633 910848 C Hypothetical protein 14327 S000003440 ORF Verified YGR208W SER2 7 911888 912817 W Phosphoserine phosphatase of the phosphoglycerate pathway, involved in serine and glycine biosynthesis, expression is regulated by the available nitrogen source 14329 S000003441 ORF Verified YGR209C TRX2 7 913232 912918 C Cytoplasmic thioredoxin isoenzyme of the thioredoxin system which protects cells against both oxidative and reductive stress, forms LMA1 complex with Pbi2p, acts as a cofactor for Tsa1p, required for ER-Golgi transport and vacuole inheritance 14331 S000003442 ORF Uncharacterized YGR210C n.a. 7 914743 913508 C Hypothetical protein 14333 S000003443 ORF Verified YGR211W ZPR1 7 915246 916706 W Essential protein with two zinc fingers, present in the nucleus of growing cells but relocates to the cytoplasm in starved cells via a process mediated by Cpr1p; binds to translation elongation factor eEF-1 (Tef1p) 14335 S000003444 ORF Uncharacterized YGR212W SLI1 7 917045 918451 W N-acetyltransferase, confers resistance to the sphingolipid biosynthesis inhibitor myriocin (ISP-1) by converting it into N-acetyl-myriocin, co-operates with Ypk1p in mediating resistance to myriocin 14337 S000003445 ORF Verified YGR213C RTA1 7 919470 918517 C Protein involved in 7-aminocholesterol resistance; has seven potential membrane-spanning regions 14339 S000003446 ORF Verified YGR214W RPS0A 7 920580 921793 W Protein component of the small (40S) ribosomal subunit, nearly identical to Rps0Bp; required for maturation of 18S rRNA along with Rps0Bp; deletion of either RPS0 gene reduces growth rate, deletion of both genes is lethal 14342 S000035104 intron n.a. n.a. n.a. 7 920670 921124 W n.a. 14343 S000003447 ORF Verified YGR215W RSM27 7 922180 922512 W Mitochondrial ribosomal protein of the small subunit 14345 S000003448 ORF Verified YGR216C GPI1 7 924467 922638 C Membrane protein involved in the synthesis of N-acetylglucosaminyl phosphatidylinositol (GlcNAc-PI), the first intermediate in the synthesis of glycosylphosphatidylinositol (GPI) anchors; human and mouse GPI1p are functional homologs 14347 S000003449 ORF Verified YGR217W CCH1 7 924699 930818 W Voltage-gated calcium channel involved in calcium influx in response to mating pheromones 14349 S000006582 tRNA n.a. tG(GCC)G2 n.a. 7 931026 930956 C tRNA-Gly 14353 S000003450 ORF Verified YGR218W CRM1 7 932544 935798 W Major karyopherin, involved in export of proteins, RNAs, and ribosomal subunits from the nucleus 14355 S000003451 ORF Dubious YGR219W n.a. 7 936038 936379 W Hypothetical protein 14357 S000003452 ORF Verified YGR220C MRPL9 7 936886 936077 C Mitochondrial ribosomal protein of the large subunit 14359 S000003453 ORF Verified YGR221C TOS2 7 938995 937127 C Protein involved in localization of Cdc24p to the site of bud growth; may act as a membrane anchor; localizes to the bud neck and bud tip; potentially phosphorylated by Cdc28p 14361 S000006495 snRNA n.a. snR7-L SNR7-L 7 939675 939462 C U5 spliceosomal RNA; homology to snRNA U5, associated with spliceosome 14363 S000006496 snRNA n.a. snR7-S SNR7-S 7 939675 939497 C U5 spliceosomal RNA; homology to snRNA U5, associated with spliceosome 14365 S000003454 ORF Verified YGR222W PET54 7 939926 940807 W Protein required for splicing of the COX1 intron AI5 beta; also specifically required, together with Pet122p and Pet494p, for translation of the COX3 mRNA; located in the mitochondrial inner membrane 14367 S000003455 ORF Verified YGR223C HSV2 7 942218 940872 C Phosphatidylinositol 3,5-bisphosphate-binding protein, predicted to fold as a seven-bladed beta-propeller; displays punctate cytoplasmic localization 14369 S000003456 ORF Verified YGR224W AZR1 7 942809 944650 W Plasma membrane transporter of the major facilitator superfamily, involved in resistance to azole drugs such as ketoconazole and fluconazole 14371 S000003457 ORF Verified YGR225W AMA1 7 945148 946929 W Activator of meiotic anaphase promoting complex (APC/C); Cdc20p family member; required for initiation of spore wall assembly; required for Clb1p degradation during meiosis 14374 S000037308 intron n.a. n.a. n.a. 7 946331 946423 W n.a. 14375 S000003458 ORF Uncharacterized YGR226C n.a. 7 947003 946404 C ORF, Uncharacterized 14377 S000003459 ORF Verified YGR227W DIE2 7 947422 948999 W Dolichyl-phosphoglucose-dependent glucosyltransferase of the ER, functions in the dolichol pathway that synthesizes the dolichol-linked oligosaccharide precursor for N-linked protein glycosylation, has a role in regulation of ITR1 and INO1 14379 S000003460 ORF Dubious YGR228W n.a. 7 949367 949711 W Hypothetical protein 14381 S000003461 ORF Verified YGR229C SMI1 7 950901 949384 C Protein involved in the regulation of cell wall synthesis; proposed to be involved in coordinating cell cycle progression with cell wall integrity 14383 S000003462 ORF Verified YGR230W BNS1 7 951896 952309 W Protein with some similarity to Spo12p; overexpression bypasses need for Spo12p, but not required for meiosis 14385 S000003463 ORF Verified YGR231C PHB2 7 953482 952550 C Subunit of the prohibitin complex (Phb1p-Phb2p), a 1.2 MDa ring-shaped inner mitochondrial membrane chaperone that stabilizes newly synthesized proteins; determinant of replicative life span; involved in mitochondrial segregation 14387 S000003464 ORF Verified YGR232W NAS6 7 953962 954648 W Regulatory, non-ATPase subunit of the 26S proteasome; homolog of the human oncoprotein gankyrin, which interacts with the retinoblastoma tumor suppressor (Rb) and cyclin-dependent kinase 4/6 14389 S000003465 ORF Verified YGR233C PHO81 7 958212 954676 C Cyclin-dependent kinase (CDK) inhibitor, regulates Pho80p-Pho85p and Pcl7p-Pho85p cyclin-CDK complexes in response to phosphate levels; required for derepression of PHO5; transcriptionally regulated by Pho4p and Pho2p 14391 S000003466 ORF Verified YGR234W YHB1 7 959907 961106 W Nitric oxide oxidoreductase, flavohemoglobin involved in nitric oxide detoxification; plays a role in the oxidative and nitrosative stress responses 14393 S000003467 ORF Uncharacterized YGR235C n.a. 7 962064 961363 C Hypothetical protein 14395 S000003468 ORF Verified YGR236C SPG1 7 962821 962432 C Protein required for survival at high temperature during stationary phase; not required for growth on nonfermentable carbon sources 14397 S000003469 ORF Uncharacterized YGR237C n.a. 7 965660 963303 C Hypothetical protein 14399 S000003470 ORF Verified YGR238C KEL2 7 968692 966044 C Protein that functions in a complex with Kel1p to negatively regulate mitotic exit, interacts with Tem1p and Lte1p; localizes to regions of polarized growth; potential Cdc28p substrate 14401 S000003471 ORF Verified YGR239C PEX21 7 970058 969192 C Part of a two-member peroxin family (Pex18p and Pex21p) specifically required for peroxisomal targeting of the Pex7p peroxisomal signal recognition factor and PTS2-type peroxisomal matrix proteins 14403 S000003472 ORF Verified YGR240C PFK1 7 973739 970776 C Alpha subunit of heterooctameric phosphofructokinase involved in glycolysis, indispensable for anaerobic growth, activated by fructose-2,6-bisphosphate and AMP, mutation inhibits glucose induction of cell cycle-related genes 14405 S000028551 ORF Uncharacterized YGR240C-A n.a. 7 974782 974582 C Identified by fungal homology and RT-PCR 14407 S000003474 ORF Dubious YGR242W n.a. 7 976420 976728 W Hypothetical protein 14409 S000003473 ORF Verified YGR241C YAP1802 7 976586 974880 C Protein involved in clathrin cage assembly; binds Pan1p and clathrin; homologous to Yap1801p, member of the AP180 protein family 14411 S000003475 ORF Uncharacterized YGR243W n.a. 7 977341 977781 W The authentic, non-tagged protein was localized to mitochondria 14413 S000003476 ORF Verified YGR244C LSC2 7 979324 978041 C Beta subunit of succinyl-CoA ligase, which is a mitochondrial enzyme of the TCA cycle that catalyzes the nucleotide-dependent conversion of succinyl-CoA to succinate 14415 S000003477 ORF Verified YGR245C SDA1 7 982073 979770 C Highly conserved nuclear protein required for actin cytoskeleton organization and passage through Start, plays a critical role in G1 events, binds Nap1p, also involved in 60S ribosome biogenesis 14417 S000003478 ORF Verified YGR246C BRF1 7 984277 982487 C TFIIIB B-related factor, one of three subunits of RNA polymerase III transcription initiation factor TFIIIB, binds TFIIIC and TBP and recruits RNA pol III to promoters, amino-terminal half is homologous to TFIIB 14419 S000003479 ORF Verified YGR247W CPD1 7 984971 985690 W Cyclic nucleotide phosphodiesterase, hydrolyzes ADP-ribose 1'', 2''-cyclic phosphate to ADP-ribose 1''-phosphate; no detectable phenotype is conferred by null mutation or by overexpression 14421 S000003480 ORF Verified YGR248W SOL4 7 985977 986744 W 6-phosphogluconolactonase with similarity to Sol3p 14423 S000003481 ORF Verified YGR249W MGA1 7 988054 989424 W Protein similar to heat shock transcription factor; multicopy suppressor of pseudohyphal growth defects of ammonium permease mutants 14425 S000003482 ORF Uncharacterized YGR250C n.a. 7 993526 991181 C Hypothetical protein 14427 S000003483 ORF Uncharacterized YGR251W n.a. 7 995644 996234 W Protein required for cell viability 14429 S000003484 ORF Verified YGR252W GCN5 7 996874 998193 W Histone acetyltransferase, acetylates lysine 14 on histone H3; catalytic subunit of the ADA and SAGA histone acetyltransferase complexes; founding member of the Gcn5p-related N-acetyltransferase superfamily 14431 S000003485 ORF Verified YGR253C PUP2 7 999145 998363 C Alpha subunit of the 20S proteasome involved in ubiquitin-dependent catabolism; human homolog is subunit zeta 14433 S000003486 ORF Verified YGR254W ENO1 7 1000932 1002245 W Enolase I, a phosphopyruvate hydratase that catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate during glycolysis and the reverse reaction during gluconeogenesis; expression is repressed in response to glucose 14435 S000003487 ORF Verified YGR255C COQ6 7 1003967 1002528 C Putative flavin-dependent monooxygenase, involved in ubiquinone (Coenzyme Q) biosynthesis; located on the matrix side of the mitochondrial inner membrane 14437 S000006750 tRNA n.a. tT(UGU)G2 n.a. 7 1004222 1004293 W tRNA-Thr 14439 S000003488 ORF Verified YGR256W GND2 7 1004630 1006108 W 6-phosphogluconate dehydrogenase (decarboxylating), catalyzes an NADPH regenerating reaction in the pentose phosphate pathway; required for growth on D-glucono-delta-lactone 14441 S000003489 ORF Verified YGR257C MTM1 7 1007311 1006211 C Mitochondrial protein of the mitochondrial carrier family, involved in activating mitochondrial Sod2p probably by facilitating insertion of an essential manganese cofactor 14443 S000003490 ORF Verified YGR258C RAD2 7 1010772 1007677 C Single-stranded DNA endonuclease, cleaves single-stranded DNA during nucleotide excision repair to excise damaged DNA; subunit of Nucleotide Excision Repair Factor 3 (NEF3); homolog of human XPG protein 14445 S000003492 ORF Verified YGR260W TNA1 7 1012491 1014095 W High affinity nicotinic acid plasma membrane permease, responsible for uptake of low levels of nicotinic acid; expression of the gene increases in the absence of extracellular nicotinic acid or para-aminobenzoate (PABA) 14447 S000003491 ORF Dubious YGR259C n.a. 7 1012927 1012487 C Hypothetical protein 14449 S000003493 ORF Verified YGR261C APL6 7 1016756 1014327 C Beta3-like subunit of the yeast AP-3 complex; functions in transport of alkaline phosphatase to the vacuole via the alternate pathway; exists in both cytosolic and peripherally associated membrane-bound pools 14451 S000003494 ORF Verified YGR262C BUD32 7 1017765 1016980 C Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern 14453 S000003495 ORF Uncharacterized YGR263C n.a. 7 1019247 1017973 C presents weak similarity to a putative E. coli protein defined as a lipase-like enzyme 14455 S000003497 ORF Dubious YGR265W n.a. 7 1021654 1022064 W Protein required for cell viability 14457 S000003496 ORF Verified YGR264C MES1 7 1021859 1019604 C Methionyl-tRNA synthetase, forms a complex with glutamyl-tRNA synthetase (Gus1p) and Arc1p, which increases the catalytic efficiency of both tRNA synthetases; also has a role in nuclear export of tRNAs 14459 S000003498 ORF Uncharacterized YGR266W n.a. 7 1022662 1024767 W probably contains a single transmembrane span 14461 S000003499 ORF Verified YGR267C FOL2 7 1025741 1025010 C GTP-cyclohydrolase I, catalyzes the first step in the folic acid biosynthetic pathway 14463 S000003501 ORF Dubious YGR269W n.a. 7 1026642 1026968 W Hypothetical protein 14465 S000003500 ORF Uncharacterized YGR268C HUA1 7 1026659 1026063 C Cytoplasmic protein containing a zinc finger domain with sequence similarity to that of Type I J-proteins; computational analysis of large-scale protein-protein interaction data suggests a possible role in actin patch assembly 14467 S000003502 ORF Verified YGR270W YTA7 7 1027376 1031515 W Protein of unknown function, member of CDC48/PAS1/SEC18 family of ATPases, potentially phosphorylated by Cdc28p 14469 S000028641 ORF Dubious YGR270C-A n.a. 7 1027606 1027388 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14471 S000003503 ORF Verified YGR271W SLH1 7 1031797 1037700 W Putative RNA helicase related to Ski2p, involved in translation inhibition of non-poly(A) mRNAs; required for repressing propagation of dsRNA viruses 14473 S000007608 ORF Uncharacterized YGR271C-A n.a. 7 1037997 1037806 C Hypothetical protein identified by homology. See FEBS Letters [2000] 487:31-36. 14475 S000003504 ORF Uncharacterized YGR272C n.a. 7 1038506 1038048 C Hypothetical protein 14477 S000003505 ORF Uncharacterized YGR273C n.a. 7 1039244 1038720 C Hypothetical protein 14479 S000003506 ORF Verified YGR274C TAF1 7 1043101 1039901 C TFIID subunit (145 kDa), involved in RNA polymerase II transcription initiation, has histone acetyltransferase activity, involved in promoter binding and G1/S progression 14481 S000003507 ORF Verified YGR275W RTT102 7 1043282 1043755 W Regulator of Ty1 Transposition; regulator of Ty1 transposition 14483 S000003508 ORF Verified YGR276C RNH70 7 1045486 1043825 C 3' exoribonuclease, required for 5S and tRNA-Arg3 maturation 14485 S000003509 ORF Uncharacterized YGR277C n.a. 7 1046567 1045650 C Homolog to human PPAT 14487 S000003510 ORF Verified YGR278W CWC22 7 1046737 1048470 W Essential protein, component of a complex containing Cef1p, has similarity to S. pombe Cwf22p; putative spliceosomal component, based on computational analysis of large-scale protein-protein interaction data 14489 S000003511 ORF Verified YGR279C SCW4 7 1049964 1048804 C Cell wall protein with similarity to glucanases; scw4 scw10 double mutants exhibit defects in mating 14491 S000003512 ORF Verified YGR280C PXR1 7 1051731 1050916 C Essential protein involved in rRNA and snoRNA maturation; competes with TLC1 RNA for binding to Est2p, suggesting a role in regulation of telomerase; human homolog inhibits telomerase; contains a G-patch RNA interacting domain 14493 S000003513 ORF Verified YGR281W YOR1 7 1052830 1057263 W Plasma membrane transporter of the ATP-binding cassette (ABC) family, mediates export of many different organic anions including oligomycin 14495 S000003514 ORF Verified YGR282C BGL2 7 1058730 1057789 C Endo-beta-1,3-glucanase, major protein of the cell wall, involved in cell wall maintenance 14497 S000003515 ORF Uncharacterized YGR283C n.a. 7 1060046 1059021 C Hypothetical protein 14499 S000003516 ORF Verified YGR284C ERV29 7 1061596 1060664 C Protein localized to COPII-coated vesicles, involved in vesicle formation and incorporation of specific secretory cargo 14501 S000003517 ORF Verified YGR285C ZUO1 7 1063159 1061858 C Cytosolic ribosome-associated chaperone, contains a DnaJ domain; together with Ssz1p, acts as a chaperone for nascent polypeptide chains 14503 S000003518 ORF Verified YGR286C BIO2 7 1064946 1063819 C Biotin synthase, catalyzes the conversion of dethiobiotin to biotin, which is the last step of the biotin biosynthesis pathway; complements E. coli bioB mutant 14505 S000003519 ORF Uncharacterized YGR287C n.a. 7 1068997 1067228 C Hypothetical protein 14507 S000003520 ORF Verified YGR288W MAL13 7 1070299 1071720 W MAL-activator protein, part of complex locus MAL1; nonfunctional in genomic reference strain S288C 14509 S000003522 ORF Dubious YGR290W n.a. 7 1075488 1075931 W Hypothetical protein 14511 S000003521 ORF Verified YGR289C MAL11 7 1075819 1073969 C Maltose permease, inducible high-affinity maltose transporter (alpha-glucoside transporter); encoded in the MAL1 complex locus; member of the 12 transmembrane domain superfamily of sugar transporters 14513 S000003523 ORF Dubious YGR291C n.a. 7 1076510 1076289 C Hypothetical protein 14515 S000003524 ORF Verified YGR292W MAL12 7 1076605 1078359 W Maltase (alpha-D-glucosidase), inducible protein involved in maltose catabolism; encoded in the MAL1 complex locus 14517 S000003526 ORF Uncharacterized YGR294W n.a. 7 1080312 1080674 W Hypothetical protein 14519 S000003525 ORF Dubious YGR293C n.a. 7 1080352 1079891 C Hypothetical protein 14521 S000003527 ORF Verified YGR295C COS6 7 1082735 1081590 C Protein of unknown function, member of a family of conserved, often subtelomerically-encoded proteins 14531 S000003528 ORF Verified YGR296W YRF1-3 7 1084870 1090597 W Helicase encoded by the Y' element of subtelomeric regions, highly expressed in the mutants lacking the telomerase component TLC1; potentially phosphorylated by Cdc28p 14534 S000031884 intron n.a. n.a. n.a. 7 1084889 1085036 W n.a. 14535 S000028642 ORF Dubious YGR296C-A n.a. 7 1089451 1088876 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14537 S000028643 ORF Dubious YGR296C-B n.a. 7 1090234 1089752 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14541 S000028644 ORF Dubious YHL050W-A n.a. 8 811 1293 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14543 S000001042 ORF Uncharacterized YHL050C n.a. 8 3310 445 C Protein of unknown function, potential Cdc28p substrate 14546 S000030584 intron n.a. n.a. n.a. 8 2669 1898 C n.a. 14547 S000001041 ORF Uncharacterized YHL049C n.a. 8 4540 3725 C Hypothetical protein 14556 S000028829 ORF Uncharacterized YHL048C-A n.a. 8 5796 5662 C Identified by expression profiling and mass spectrometry 14558 S000001040 ORF Verified YHL048W COS8 8 6400 7545 W Nuclear membrane protein, member of a family of conserved, often subtelomerically-encoded proteins; regulation suggests a potential role in the unfolded protein response 14561 S000028775 ORF Dubious YHL046W-A n.a. 8 9979 10305 W Questionable ORF from MIPS 14563 S000001039 ORF Verified YHL047C ARN2 8 10211 8298 C Transporter, member of the ARN family of transporters that specifically recognize siderophore-iron chelates; responsible for uptake of iron bound to the siderophore triacetylfusarinine C 14565 S000001038 ORF Uncharacterized YHL046C n.a. 8 12283 11921 C Hypothetical protein 14567 S000001037 ORF Dubious YHL045W n.a. 8 12500 12847 W Hypothetical protein 14569 S000001036 ORF Uncharacterized YHL044W n.a. 8 13563 14270 W Putative integral membrane protein, member of DUP240 gene family; green fluorescent protein (GFP)-fusion protein localizes to the plasma membrane in a punctate pattern 14571 S000001035 ORF Verified YHL043W ECM34 8 14899 15411 W Non-essential protein of unknown function 14573 S000001034 ORF Uncharacterized YHL042W n.a. 8 15665 16117 W Hypothetical protein 14575 S000001033 ORF Dubious YHL041W n.a. 8 17390 17839 W Hypothetical protein 14577 S000001032 ORF Verified YHL040C ARN1 8 20968 19085 C Transporter, member of the ARN family of transporters that specifically recognize siderophore-iron chelates; responsible for uptake of iron bound to ferrirubin, ferrirhodin, and related siderophores 14579 S000001031 ORF Uncharacterized YHL039W n.a. 8 21780 23537 W Hypothetical protein 14581 S000001030 ORF Verified YHL038C CBP2 8 25506 23614 C Protein required for splicing of COB aI5 intron; Cytochrome B pre-mRNA processing protein 14583 S000001029 ORF Dubious YHL037C n.a. 8 26177 25698 C Hypothetical protein 14585 S000001028 ORF Verified YHL036W MUP3 8 26239 27879 W Low affinity methionine permease, similar to Mup1p 14587 S000001027 ORF Uncharacterized YHL035C n.a. 8 32754 27976 C Protein of unknown function, member of the ATP-binding cassette (ABC) family, potential Cdc28p substrate 14589 S000028774 ORF Dubious YHL034W-A n.a. 8 33174 33635 W Hypothetical protein 14591 S000001026 ORF Verified YHL034C SBP1 8 34075 33191 C Nucleolar single-strand nucleic acid binding protein; associates with small nuclear RNAs 14593 S000001025 ORF Verified YHL033C RPL8A 8 36023 35253 C Ribosomal protein L4 of the large (60S) ribosomal subunit, nearly identical to Rpl8Bp and has similarity to rat L7a ribosomal protein; mutation results in decreased amounts of free 60S subunits 14595 S000001024 ORF Verified YHL032C GUT1 8 38506 36377 C Glycerol kinase, converts glycerol to glycerol-3-phosphate; glucose repression of expression is mediated by Adr1p and Ino2p-Ino4p; derepression of expression on non-fermentable carbon sources is mediated by Opi1p and Rsf1p 14597 S000028773 ORF Dubious YHL030W-A n.a. 8 39072 39533 W Questionable ORF from MIPS 14599 S000001023 ORF Verified YHL031C GOS1 8 39484 38813 C v-SNARE protein involved in Golgi transport, homolog of the mammalian protein GOS-28/GS28 14601 S000001022 ORF Verified YHL030W ECM29 8 40082 45688 W Major component of the proteasome; tethers the proteasome core particle to the regulatory particle, and enhances the stability of the proteasome 14603 S000001021 ORF Uncharacterized YHL029C n.a. 8 47966 45927 C Cytoplasmic protein required for replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts 14605 S000001020 ORF Verified YHL028W WSC4 8 48761 50578 W cell wall integrity and stress response component 4; Putative integral membrane protein containing novel cysteine motif. Similarity to SLG1 (WSC1), WSC2 and WSC3 14607 S000001019 ORF Verified YHL027W RIM101 8 51109 52986 W Transcriptional repressor involved in the response to pH; required for alkaline pH-stimulated differentiation pathways such as haploid invasive growth and sporulation; activated by proteolytic processing; has similarity to the A. nidulans transcription factor PacC 14609 S000001018 ORF Uncharacterized YHL026C n.a. 8 54023 53217 C Hypothetical protein 14611 S000001017 ORF Verified YHL025W SNF6 8 54848 55846 W One of 11 subunits of the SWI/SNF chromatin remodeling complex involved in transcriptional regulation; functions interdependently in transcriptional activation with Snf2p and Snf5p 14613 S000001016 ORF Verified YHL024W RIM4 8 56646 58787 W Putative RNA-binding protein required for the expression of early and middle sporulation genes 14615 S000001015 ORF Verified YHL023C RMD11 8 62560 59120 C Protein required for sporulation 14617 S000006597 tRNA n.a. tH(GUG)H n.a. 8 62752 62823 W tRNA-His 14619 S000001014 ORF Verified YHL022C SPO11 8 64154 62958 C Meiosis-specific protein that initiates meiotic recombination by catalyzing the formation of double-strand breaks in DNA via a transesterification reaction; required for homologous chromosome pairing and synaptonemal complex formation 14621 S000001013 ORF Uncharacterized YHL021C n.a. 8 65855 64458 C The authentic, non-tagged protein was localized to the mitochondria 14623 S000001012 ORF Verified YHL020C OPI1 8 67452 66238 C Transcriptional regulator of a variety of genes; phosphorylation by protein kinase A stimulates Opi1p function in negative regulation of phospholipid biosynthetic genes 14625 S000028772 ORF Dubious YHL019W-A n.a. 8 67707 68300 W Questionable ORF from MIPS 14627 S000001011 ORF Verified YHL019C APM2 8 69544 67727 C Protein of unknown function, homologous to the medium chain of mammalian clathrin-associated protein complex; involved in vesicular transport 14629 S000001010 ORF Uncharacterized YHL018W n.a. 8 69704 70066 W Hypothetical protein 14631 S000001009 ORF Uncharacterized YHL017W n.a. 8 70272 71870 W Hypothetical protein 14633 S000001008 ORF Verified YHL016C DUR3 8 74240 72033 C Plasma membrane urea transporter, expression is highly sensitive to nitrogen catabolite repression and induced by allophanate, the last intermediate of the allantoin degradative pathway 14635 S000028828 ORF Uncharacterized YHL015W-A n.a. 8 74695 74778 W Identified by expression profiling and mass spectrometry 14637 S000001007 ORF Verified YHL015W RPS20 8 75408 75773 W Protein component of the small (40S) ribosomal subunit; overproduction suppresses mutations affecting RNA polymerase III-dependent transcription; has similarity to E. coli S10 and rat S20 ribosomal proteins 14639 S000001006 ORF Verified YHL014C YLF2 8 77310 76093 C Protein with weak similarity to B. subtilis GTP-binding protein and to human glycogen phosphorylases 14641 S000001005 ORF Uncharacterized YHL013C n.a. 8 78349 77426 C Hypothetical protein 14643 S000001004 ORF Uncharacterized YHL012W n.a. 8 78931 80412 W Hypothetical protein 14645 S000001003 ORF Verified YHL011C PRS3 8 81611 80649 C 5-phospho-ribosyl-1(alpha)-pyrophosphate synthetase, involved in nucleotide, histidine, and tryptophan biosynthesis; one of a five related enzymes, which are active as heteromultimeric complexes 14647 S000001002 ORF Uncharacterized YHL010C n.a. 8 83716 81959 C Hypothetical protein 14649 S000001001 ORF Verified YHL009C YAP3 8 85055 84063 C Basic leucine zipper (bZIP) transcription factor 14651 S000006758 tRNA n.a. tV(AAC)H n.a. 8 85366 85293 C tRNA-Val 14665 S000001000 ORF Uncharacterized YHL008C n.a. 8 94505 92622 C Hypothetical protein 14667 S000028771 ORF Dubious YHL006W-A n.a. 8 97727 98080 W Questionable ORF from MIPS 14669 S000000999 ORF Verified YHL007C STE20 8 97932 95113 C Signal transducing kinase of the PAK (p21-activated kinase) family, involved in pheromone response and pseudohyphal/invasive growth pathways, activated by Cdc42p; binds Ste4p at a GBB motif present in noncatalytic domains of PAK kinases 14671 S000000998 ORF Uncharacterized YHL006C SHU1 8 98790 98338 C Protein of unassigned function involved in mutation suppression, important for error-free repair of spontaneous and induced DNA lesions to protect the genome from mutation; associates with Shu2p, Psy3p, and Csm2p 14673 S000000996 ORF Verified YHL004W MRP4 8 99214 100398 W Mitochondrial ribosomal protein of the small subunit 14675 S000000997 ORF Dubious YHL005C n.a. 8 99215 98823 C Hypothetical protein 14677 S000000995 ORF Verified YHL003C LAG1 8 101878 100643 C Ceramide synthase component, involved in synthesis of ceramide from C26(acyl)-coenzyme A and dihydrosphingosine or phytosphingosine, functionally equivalent to Lac1p 14679 S000000994 ORF Verified YHL002W HSE1 8 102606 103964 W Subunit of the endosomal Vps27p-Hse1p complex required for sorting of ubiquitinated membrane proteins into intralumenal vesicles prior to vacuolar degradation, as well as for recycling of Golgi proteins and formation of lumenal membranes 14681 S000028770 ORF Dubious YHL002C-A n.a. 8 103069 102581 C Questionable ORF from MIPS 14683 S000000993 ORF Verified YHL001W RPL14B 8 104271 105085 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl14Ap and has similarity to rat L14 ribosomal protein 14686 S000036894 intron n.a. n.a. n.a. 8 104400 104797 W n.a. 14691 S000001043 ORF Verified YHR001W OSH7 8 106049 107362 W Member of an oxysterol-binding protein family with seven members in S. cerevisiae; family members have overlapping, redundant functions in sterol metabolism and collectively perform a function essential for viability 14693 S000003529 ORF Verified YHR001W-A QCR10 8 107820 108116 W 8.5 kDa subunit of the ubiqunol-cytochrome c oxidoreductase complex 14696 S000035664 intron n.a. n.a. n.a. 8 107826 107888 W n.a. 14697 S000001044 ORF Verified YHR002W LEU5 8 108806 109879 W Mitochondrial carrier protein involved in the accumulation of CoA in the mitochondrial matrix; homolog of human Graves disease protein; does not encode an isozyme of Leu4p, as first hypothesized 14699 S000001045 ORF Uncharacterized YHR003C n.a. 8 111311 110022 C Hypothetical protein 14701 S000001046 ORF Verified YHR004C NEM1 8 113088 111748 C Protein of the nuclear envelope required for the spherical shape of the nucleus; required for normal sporulation 14703 S000001047 ORF Verified YHR005C GPA1 8 114911 113493 C GTP-binding alpha subunit of the heterotrimeric G protein that couples to pheromone receptors; negatively regulates the mating pathway by sequestering G(beta)gamma and by triggering an adaptive response; activates the pathway via Scp160p 14705 S000003530 ORF Verified YHR005C-A MRS11 8 115895 115614 C Essential protein of the mitochondrial intermembrane space, forms a complex with Tim9p (TIM10 complex) that mediates insertion of hydrophobic proteins at the inner membrane, has homology to Mrs5p, which is also involved in this process 14707 S000006740 tRNA n.a. tT(AGU)H n.a. 8 116173 116101 C tRNA-Thr 14711 S000001048 ORF Verified YHR006W STP2 8 117808 119433 W Transcription factor, activated by proteolytic processing in response to signals from the SPS sensor system for external amino acids; activates transcription of amino acid permease genes 14713 S000001049 ORF Verified YHR007C ERG11 8 121677 120085 C Lanosterol 14-alpha-demethylase, catalyzes the C-14 demethylation of lanosterol to form 4,4''-dimethyl cholesta-8,14,24-triene-3-beta-ol in the ergosterol biosynthesis pathway; member of the cytochrome P450 family 14715 S000028830 ORF Uncharacterized YHR007C-A n.a. 8 122759 122544 C Identified by expression profiling and mass spectrometry 14717 S000001050 ORF Verified YHR008C SOD2 8 123584 122883 C Manganese-containing superoxide dismutase 14719 S000001051 ORF Uncharacterized YHR009C n.a. 8 125674 124103 C Hypothetical protein 14721 S000001052 ORF Verified YHR010W RPL27A 8 126514 127485 W Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl27Bp and has similarity to rat L27 ribosomal protein 14724 S000036520 intron n.a. n.a. n.a. 8 126545 127105 W n.a. 14725 S000001053 ORF Verified YHR011W DIA4 8 127773 129113 W Probable mitochondrial seryl-tRNA synthetase, mutant displays increased invasive and pseudohyphal growth 14727 S000001054 ORF Verified YHR012W VPS29 8 129474 130441 W Endosomal protein that is a subunit of the membrane-associated retromer complex essential for endosome-to-Golgi retrograde transport; forms a subcomplex with Vps35p and Vps26p that selects cargo proteins for endosome-to-Golgi retrieval 14730 S000036740 intron n.a. n.a. n.a. 8 129522 129640 W n.a. 14731 S000001055 ORF Verified YHR013C ARD1 8 131439 130723 C Subunit of the N-terminal acetyltransferase NatA (Nat1p, Ard1p, Nat5p); N-terminally acetylates many proteins, which influences multiple processes such as the cell cycle, heat-shock resistance, mating, sporulation, and telomeric silencing 14733 S000001056 ORF Verified YHR014W SPO13 8 132039 132914 W Meiosis-specific protein of unknown function, involved in maintaining sister chromatid cohesion during meiosis I as well as promoting proper attachment of kinetochores to the spindle during meiosis I and meiosis II 14735 S000006726 tRNA n.a. tS(AGA)H n.a. 8 133099 133018 C tRNA-Ser 14740 S000006698 tRNA n.a. tQ(UUG)H n.a. 8 134313 134384 W tRNA-Gln 14742 S000001057 ORF Verified YHR015W MIP6 8 134546 136525 W Putative RNA-binding protein, interacts with Mex67p, which is a component of the nuclear pore involved in nuclear mRNA export 14744 S000001058 ORF Verified YHR016C YSC84 8 138447 136873 C Protein involved in the organization of the actin cytoskeleton; contains SH3 domain similar to Rvs167p 14747 S000030437 intron n.a. n.a. n.a. 8 138400 138233 C n.a. 14748 S000001059 ORF Verified YHR017W YSC83 8 138686 139843 W similar to S. douglasii YSD83 14750 S000001060 ORF Verified YHR018C ARG4 8 141394 140003 C Argininosuccinate lyase, catalyzes the final step in the arginine biosynthesis pathway 14752 S000001061 ORF Verified YHR019C DED81 8 143550 141886 C Cytosolic asparaginyl-tRNA synthetase, required for protein synthesis, catalyzes the specific attachment of asparagine to its cognate tRNA 14754 S000001062 ORF Uncharacterized YHR020W n.a. 8 143988 146054 W Protein required for cell viability 14756 S000006513 tRNA n.a. tA(AGC)H n.a. 8 146306 146234 C tRNA-Ala 14760 S000001063 ORF Verified YHR021C RPS27B 8 148661 147863 C Protein component of the small (40S) ribosomal subunit; nearly identical to Rps27Ap and has similarity to rat S27 ribosomal protein 14763 S000031621 intron n.a. n.a. n.a. 8 148658 148109 C n.a. 14764 S000003531 ORF Uncharacterized YHR021W-A ECM12 8 149217 149672 W Non-essential protein of unknown function 14766 S000001064 ORF Uncharacterized YHR022C n.a. 8 150337 149567 C Hypothetical protein 14768 S000028645 ORF Uncharacterized YHR022C-A n.a. 8 151298 151209 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14770 S000001065 ORF Verified YHR023W MYO1 8 151658 157444 W Type II myosin heavy chain, required for wild-type cytokinesis and cell separation; localizes to the actomyosin ring; binds to myosin light chains Mlc1p and Mlc2p through its IQ1 and IQ2 motifs respectively 14772 S000001066 ORF Verified YHR024C MAS2 8 159184 157736 C Larger subunit of the mitochondrial processing protease, essential processing enzyme that cleaves the N-terminal targeting sequences from mitochondrially imported proteins 14774 S000001067 ORF Verified YHR025W THR1 8 159430 160503 W Homoserine kinase, conserved protein required for threonine biosynthesis; expression is regulated by the GCN4-mediated general amino acid control pathway 14776 S000001068 ORF Verified YHR026W PPA1 8 160836 161477 W Subunit c'' of the vacuolar ATPase, which functions in acidification of the vacuole; one of three proteolipid subunits of the V0 domain 14778 S000001069 ORF Verified YHR027C RPN1 8 164703 161722 C Non-ATPase base subunit of the 19S regulatory particle of the 26S proteasome; may participate in the recognition of several ligands of the proteasome; contains a leucine-rich repeat (LRR) domain, a site for protein?protein interactions 14780 S000028776 ORF Dubious YHR028W-A n.a. 8 167344 167664 W Questionable ORF from MIPS 14782 S000001070 ORF Verified YHR028C DAP2 8 167426 164970 C Dipeptidyl aminopeptidase, synthesized as a glycosylated precursor; localizes to the vacuolar membrane; similar to Ste13p 14784 S000001071 ORF Uncharacterized YHR029C n.a. 8 168553 167669 C Hypothetical protein 14786 S000001072 ORF Verified YHR030C SLT2 8 170336 168882 C Serine/threonine MAP kinase involved in regulating the maintenance of cell wall integrity and progression through the cell cycle; regulated by the PKC1-mediated signaling pathway 14788 S000001073 ORF Verified YHR031C RRM3 8 172962 170791 C DNA helicase involved in rDNA replication and Ty1 transposition; structurally and functionally related to Pif1p 14790 S000001074 ORF Uncharacterized YHR032W n.a. 8 173336 175081 W Hypothetical protein 14792 S000028831 ORF Dubious YHR032W-A n.a. 8 175187 175366 W Identified by expression profiling and mass spectrometry 14794 S000028646 ORF Dubious YHR032C-A n.a. 8 175386 175267 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14796 S000001075 ORF Uncharacterized YHR033W n.a. 8 175540 176811 W Hypothetical protein 14798 S000001076 ORF Verified YHR034C PIH1 8 177991 176957 C Protein of unresolved function; may function in protein folding and/or rRNA processing, interacts with a chaperone (Hsp82p), two chromatin remodeling factors (Rvb1p, Rvb2p) and two rRNA processing factors (Rrp43p, Nop58p) 14800 S000001077 ORF Uncharacterized YHR035W n.a. 8 178211 180103 W Hypothetical protein 14802 S000001078 ORF Uncharacterized YHR036W n.a. 8 180337 181752 W Protein required for cell viability 14804 S000001079 ORF Verified YHR037W PUT2 8 181969 183696 W Delta-1-pyrroline-5-carboxylate dehydrogenase, nuclear-encoded mitochondrial protein involved in utilization of proline as sole nitrogen source; deficiency of the human homolog causes HPII, an autosomal recessive inborn error of metabolism 14806 S000001080 ORF Verified YHR038W RRF1 8 184058 184750 W Mitochondrial ribosome recycling factor, essential for mitochondrial protein synthesis and for the maintenance of the respiratory function of mitochondria 14808 S000001081 ORF Verified YHR039C MSC7 8 186801 184867 C Protein of unknown function, green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; msc7 mutants are defective in directing meiotic recombination events to homologous chromatids 14810 S000002100 ORF Verified YHR039C-A VMA10 8 187671 187165 C Vacuolar H+ ATPase subunit G of the catalytic (V1) sector 14813 S000035241 intron n.a. n.a. n.a. 8 187668 187507 C n.a. 14814 S000001082 ORF Verified YHR040W BCD1 8 187916 189016 W Essential protein required for the accumulation of box C/D snoRNA 14816 S000001083 ORF Verified YHR041C SRB2 8 189856 189123 C RNA polymerase II holoenzyme/mediator subunit 14819 S000032052 intron n.a. n.a. n.a. 8 189842 189742 C n.a. 14820 S000001084 ORF Verified YHR042W NCP1 8 190535 192610 W NADP-cytochrome P450 reductase; involved in ergosterol biosynthesis; associated and coordinately regulated with Erg11p 14822 S000001085 ORF Verified YHR043C DOG2 8 193537 192797 C 2-deoxyglucose-6-phosphate phosphatase, member of a family of low molecular weight phosphatases, similar to Dog1p, induced by oxidative and osmotic stress, confers 2-deoxyglucose resistance when overexpressed 14824 S000001086 ORF Verified YHR044C DOG1 8 194800 194060 C 2-deoxyglucose-6-phosphate phosphatase, similar to Dog2p, member of a family of low molecular weight phosphatases; confers 2-deoxyglucose resistance when overexpressed, in vivo substrate has not yet been identified 14826 S000001087 ORF Uncharacterized YHR045W n.a. 8 195543 197225 W Hypothetical protein 14828 S000001088 ORF Verified YHR046C INM1 8 198277 197390 C Inositol monophosphatase, involved in biosynthesis of inositol and in phosphoinositide second messenger signaling; INM1 expression increases in the presence of inositol and decreases upon exposure to antibipolar drugs lithium and valproate 14830 S000001089 ORF Verified YHR047C AAP1' 8 201302 198732 C Arginine/alanine aminopeptidase, overproduction stimulates glycogen accumulation 14832 S000001090 ORF Uncharacterized YHR048W n.a. 8 204599 206143 W Hypothetical protein 14834 S000001091 ORF Verified YHR049W FSH1 8 206454 207185 W Serine hydrolase that localizes to both the nucleus and cytoplasm; sequence is similar to Fsh2p and Fsh3p 14836 S000003532 ORF Dubious YHR049C-A n.a. 8 207523 207212 C Hypothetical protein 14838 S000001092 ORF Verified YHR050W SMF2 8 207647 209296 W Divalent metal ion transporter involved in manganese homeostasis; has broad specificity for di-valent and tri-valent metals; post-translationally regulated by levels of metal ions; member of the Nramp family of metal transport proteins 14840 S000028832 ORF Uncharacterized YHR050W-A n.a. 8 209468 209638 W Identified by expression profiling and mass spectrometry 14842 S000001093 ORF Verified YHR051W COX6 8 209698 210144 W Subunit VI of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; expression is regulated by oxygen levels 14844 S000001094 ORF Verified YHR052W CIC1 8 210841 211971 W Essential protein that interacts with proteasome components and has a potential role in proteasome substrate specificity; also copurifies with 66S pre-ribosomal particles 14846 S000028470 ncRNA n.a. RUF5-1 RUF5-1 8 212410 213119 W RNA of Unknown Function 14848 S000028647 ORF Dubious YHR052W-A n.a. 8 212511 212705 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14850 S000001095 ORF Verified YHR053C CUP1-1 8 212721 212536 C Metallothionein, binds copper and mediates resistance to high concentrations of copper and cadmium; locus is variably amplified in different strains, with two copies, CUP1-1 and CUP1-2, in the genomic sequence reference strain S288C 14852 S000001096 ORF Uncharacterized YHR054C n.a. 8 214250 213186 C Hypothetical protein 14854 S000028474 ncRNA n.a. RUF5-2 RUF5-2 8 214408 215117 W RNA of Unknown Function 14856 S000028648 ORF Dubious YHR054W-A n.a. 8 214509 214703 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 14858 S000001097 ORF Verified YHR055C CUP1-2 8 214719 214534 C Metallothionein, binds copper and mediates resistance to high concentrations of copper and cadmium; locus is variably amplified in different strains, with two copies, CUP1-1 and CUP1-2, in the genomic sequence reference strain S288C 14860 S000028777 ORF Dubious YHR056W-A n.a. 8 217407 217841 W Questionable ORF from MIPS 14862 S000001098 ORF Verified YHR056C RSC30 8 217835 215184 C One of 15 subunits of the 'Remodel the Structure of Chromatin' (RSC) complex; non-essential gene required for regulation of ribosomal protein genes and the cell wall/stress response; highly similar to Rsc3p; null mutants are osmosensitive 14864 S000001099 ORF Verified YHR057C CPR2 8 218844 218227 C Peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; has a potential role in the secretory pathway 14866 S000001100 ORF Verified YHR058C MED6 8 219885 218998 C RNA polymerase II transcriptional regulation mediator; RNA polymerase II mediator subunit 14868 S000001101 ORF Verified YHR059W FYV4 8 220109 220501 W Protein of unknown function, required for survival upon exposure to K1 killer toxin 14870 S000001102 ORF Verified YHR060W VMA22 8 220726 221271 W Integral membrane protein that is required for vacuolar H+-ATPase (V-ATPase) function, although not an actual component of the V-ATPase complex; functions in the assembly of the V-ATPase; localized to the yeast endoplasmic reticulum (ER) 14872 S000001103 ORF Verified YHR061C GIC1 8 222479 221535 C Protein of unknown function involved in initiation of budding and cellular polarization, interacts with Cdc42p via the Cdc42/Rac-interactive binding (CRIB) domain 14874 S000001104 ORF Verified YHR062C RPP1 8 223759 222878 C Subunit of both RNase MRP, which cleaves pre-rRNA, and nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends 14876 S000001105 ORF Verified YHR063C PAN5 8 225170 224031 C 2-dehydropantoate 2-reductase, part of the pantothenic acid pathway, structurally homologous to E. coli panE 14878 S000028778 ORF Dubious YHR063W-A n.a. 8 225443 225778 W Questionable ORF from MIPS 14880 S000001106 ORF Verified YHR064C SSZ1 8 227142 225526 C Hsp70 protein that interacts with Zuo1p (a DnaJ homolog) to form a ribosome-associated complex that is bound to the ribosome via the Zuo1p subunit; also involved in pleiotropic drug resistance via sequential activation of PDR1 and PDR5 14882 S000001107 ORF Verified YHR065C RRP3 8 229038 227533 C Protein involved in rRNA processing; required for maturation of the 35S primary transcript of pre-rRNA and for cleavage leading to mature 18S rRNA; homologous to eIF-4a, which is a DEAD box RNA-dependent ATPase with helicase activity 14884 S000001108 ORF Verified YHR066W SSF1 8 229336 230697 W Constituent of 66S pre-ribosomal particles, required for ribosomal large subunit maturation; functionally redundant with Ssf2p; member of the Brix family 14886 S000001109 ORF Verified YHR067W HTD2 8 230971 231813 W Mitochondrial 3-hydroxyacyl-thioester dehydratase involved in fatty acid biosynthesis, required for respiratory growth and for normal mitochondrial morphology 14888 S000001110 ORF Verified YHR068W DYS1 8 232134 233297 W Deoxyhypusine synthase, catalyzes formation of deoxyhypusine, the first step in hypusine biosynthesis; triggers posttranslational hypusination of translation elongation factor eIF-5A and regulates its intracellular levels; tetrameric 14890 S000001111 ORF Verified YHR069C RRP4 8 234659 233580 C Protein involved in rRNA processing; component of the exosome 3->5 exonuclease complex with Rrp41p, Rrp42p, Rrp43p and Dis3p 14892 S000001112 ORF Verified YHR070W TRM5 8 234882 236381 W tRNA(m(1)G37)methyltransferase, methylates a tRNA base adjacent to the anticodon that has a role in prevention of frameshifting; highly conserved across Archaea, Bacteria, and Eukarya 14894 S000028779 ORF Dubious YHR069C-A n.a. 8 235237 234875 C Hypothetical protein 14896 S000028780 ORF Dubious YHR070C-A n.a. 8 236513 236103 C Questionable ORF from MIPS 14898 S000001113 ORF Verified YHR071W PCL5 8 237005 237694 W Cyclin, interacts with Pho85p cyclin-dependent kinase (Cdk), induced by Gcn4p at level of transcription, specifically required for Gcn4p degradation, may be sensor of cellular protein biosynthetic capacity 14900 S000006566 tRNA n.a. tF(GAA)H1 n.a. 8 237940 237849 C tRNA-Phe 14901 S000032801 intron n.a. n.a. n.a. 8 237903 237885 C n.a. 14904 S000001114 ORF Verified YHR072W ERG7 8 239099 241294 W Lanosterol synthase, an essential enzyme that catalyzes the cyclization of squalene 2,3-epoxide, a step in ergosterol biosynthesis 14906 S000028781 ORF Dubious YHR071C-A n.a. 8 239231 238911 C Questionable ORF from MIPS 14908 S000007455 ORF Verified YHR072W-A NOP10 8 241665 241841 W Constituent of small nucleolar ribonucleoprotein particles containing H/ACA-type snoRNAs, which are required for pseudouridylation and processing of pre-18S rRNA 14910 S000001115 ORF Verified YHR073W OSH3 8 242583 245573 W Member of an oxysterol-binding protein family with seven members in S. cerevisiae; family members have overlapping, redundant functions in sterol metabolism and collectively perform a function essential for viability 14912 S000028834 ORF Dubious YHR073W-A n.a. 8 242869 243045 W Identified by expression profiling and mass spectrometry 14914 S000028833 ORF Dubious YHR073C-B n.a. 8 245503 245423 C Identified by expression profiling and mass spectrometry 14916 S000001116 ORF Verified YHR074W QNS1 8 246194 248338 W Glutamine-dependent NAD(+) synthetase, essential for the formation of NAD(+) from nicotinic acid adenine dinucleotide 14918 S000001117 ORF Verified YHR075C PPE1 8 249642 248440 C Protein with carboxyl methyl esterase activity that may have a role in demethylation of the phosphoprotein phosphatase catalytic subunit; also identified as a small subunit mitochondrial ribosomal protein 14920 S000001118 ORF Verified YHR076W PTC7 8 251102 252226 W Mitochondrially localized type 2C protein phosphatase; expression induced by growth on ethanol and by sustained osmotic stress; possible role in carbon source utilization in low oxygen environments 14922 S000001119 ORF Verified YHR077C NMD2 8 255757 252375 C Protein involved in the nonsense-mediated mRNA decay (NMD) pathway; interacts with Nam7p and Upf3p 14925 S000037865 intron n.a. n.a. n.a. 8 255751 255639 C n.a. 14926 S000001120 ORF Uncharacterized YHR078W n.a. 8 256361 258019 W Hypothetical protein 14928 S000001121 ORF Verified YHR079C IRE1 8 261592 258245 C Serine-threonine kinase and endoribonuclease; transmembrane protein that initiates the unfolded protein response signal by regulating synthesis of Hac1p through HAC1 mRNA splicing 14930 S000001957 ORF Verified YHR079C-A SAE3 8 262554 262402 C Meiosis specific protein involved in DMC1-dependent meiotic recombination, forms heterodimer with Mei5p; proposed to be an assembly factor for Dmc1p 14932 S000001122 ORF Uncharacterized YHR080C n.a. 8 266839 262802 C Hypothetical protein 14934 S000001123 ORF Verified YHR081W LRP1 8 267539 268093 W Substrate-specific nuclear cofactor for exosome activity in the processing of stable RNAs; homolog of mammalian nuclear matrix protein C1D, which is involved in regulation of DNA repair and recombination 14936 S000001124 ORF Verified YHR082C KSP1 8 271549 268460 C Nonessential putative serine/threonine protein kinase of unknown cellular role; overproduction causes allele-specific suppression of the prp20-10 mutation 14938 S000001125 ORF Verified YHR083W SAM35 8 272628 273617 W Essential component of the sorting and assembly machinery (SAM complex, aka TOB complex) of the mitochondrial outer membrane, which binds precursors of beta-barrel proteins and facilitates their insertion into the outer membrane 14940 S000001126 ORF Verified YHR084W STE12 8 274175 276241 W Transcription factor that is activated by a MAP kinase signaling cascade, activates genes involved in mating or pseudohyphal/invasive growth pathways; cooperates with Tec1p transcription factor to regulate genes specific for invasive growth 14942 S000001127 ORF Verified YHR085W IPI1 8 276765 277769 W Protein of unknown function, essential for viability, may be involved in rRNA processing 14944 S000001128 ORF Verified YHR086W NAM8 8 278154 279725 W RNA binding protein, component of the U1 snRNP protein; mutants are defective in meiotic recombination and in formation of viable spores, involved in the formation of DSBs through meiosis-specific splicing of MER2 pre-mRNA 14946 S000028552 ORF Uncharacterized YHR086W-A n.a. 8 280232 280393 W Identified by fungal homology and RT-PCR 14948 S000001129 ORF Uncharacterized YHR087W n.a. 8 280821 281156 W Protein involved in RNA metabolism, one of two yeast homologs (with Sdo1p/Ylr022cp) of the human protein SBDS responsible for autosomal recessive Shwachman-Bodian-Diamond Syndrome, also conserved in Archaea 14950 S000001130 ORF Verified YHR088W RPF1 8 281496 282383 W Nucleolar protein involved in the assembly of the large ribosomal subunit; constituent of 66S pre-ribosomal particles; contains a sigma(70)-like motif, which is thought to bind RNA 14952 S000001131 ORF Verified YHR089C GAR1 8 283299 282682 C Protein component of the H/ACA snoRNP pseudouridylase complex, involved in the modification and cleavage of the 18S pre-rRNA 14954 S000001132 ORF Verified YHR090C YNG2 8 284626 283778 C Subunit of the NuA4 histone acetyltransferase complex that acetylates histone H4 and H2A; has similarity to the human tumor suppressor ING1 14956 S000001133 ORF Verified YHR091C MSR1 8 286771 284840 C Mitochondrial arginyl-tRNA synthetase 14958 S000001134 ORF Verified YHR092C HXT4 8 288813 287131 C High-affinity glucose transporter of the major facilitator superfamily, expression is induced by low levels of glucose and repressed by high levels of glucose 14960 S000001135 ORF Dubious YHR093W AHT1 8 289144 289692 W Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; multicopy suppressor of glucose transport defects, likely due to the presence of an HXT4 regulatory element in the region 14962 S000001136 ORF Verified YHR094C HXT1 8 292627 290915 C Low-affinity glucose transporter of the major facilitator superfamily, expression is induced by Hxk2p in the presence of glucose and repressed by Rgt1p when glucose is limiting 14964 S000001137 ORF Dubious YHR095W n.a. 8 292945 293379 W Hypothetical protein 14966 S000001138 ORF Verified YHR096C HXT5 8 296449 294671 C Hexose transporter with moderate affinity for glucose, may function in accumulation of reserve carbohydrates during stress, expression induced by a decrease in growth rate, contains an extended N-terminal domain relative to other HXTs 14968 S000001139 ORF Uncharacterized YHR097C n.a. 8 298611 297387 C Hypothetical protein 14971 S000035268 intron n.a. n.a. n.a. 8 298486 298363 C n.a. 14972 S000001140 ORF Verified YHR098C SFB3 8 301936 299147 C Member of the Sec24p family; forms a complex, with Sec23p, that is involved in sorting of Pma1p into COPII vesicles; peripheral ER membrane protein; potential Cdc28p substrate 14974 S000001141 ORF Verified YHR099W TRA1 8 302763 313997 W Subunit of SAGA and NuA4 histone acetyltransferase complexes; interacts with acidic activators (e.g., Gal4p) which leads to transcription activation; similar to human TRRAP, which is a cofactor for c-Myc mediated oncogenic transformation 14976 S000001142 ORF Uncharacterized YHR100C n.a. 8 314675 314118 C Hypothetical protein 14978 S000001143 ORF Verified YHR101C BIG1 8 315970 314876 C Integral membrane protein of the endoplasmic reticulum, required for normal content of cell wall beta-1,6-glucan 14981 S000035671 intron n.a. n.a. n.a. 8 315860 315774 C n.a. 14982 S000001144 ORF Verified YHR102W KIC1 8 316574 319816 W Protein kinase of the PAK/Ste20 kinase family, required for cell integrity possibly through regulating 1,6-beta-glucan levels in the wall; physically interacts with Cdc31p (centrin), which is a component of the spindle pole body 14984 S000001145 ORF Verified YHR103W SBE22 8 320416 322974 W Protein involved in the transport of cell wall components from the Golgi to the cell surface; similar in structure and functionally redundant with Sbe2p; involved in bud growth 14986 S000001146 ORF Verified YHR104W GRE3 8 323411 324394 W Aldose reductase involved in methylglyoxal, d-xylose and arabinose metabolism; stress induced (osmotic, ionic, oxidative, heat shock, starvation and heavy metals); regulated by the HOG pathway 14988 S000001147 ORF Uncharacterized YHR105W YPT35 8 324768 325412 W Hypothetical protein 14990 S000001148 ORF Verified YHR106W TRR2 8 325600 326628 W Mitochondrial thioredoxin reductase involved in protection against oxidative stress, required with Glr1p to maintain the redox state of Trx3p, contains active-site motif (CAVC) present in prokaryotic thioredoxin reductases, binds NADPH and FAD 14992 S000001149 ORF Verified YHR107C CDC12 8 328038 326815 C Component of the septin ring of the mother-bud neck that is required for cytokinesis; septins recruit proteins to the neck and can act as a barrier to diffusion at the membrane, and they comprise the 10nm filaments seen with EM 14994 S000001150 ORF Verified YHR108W GGA2 8 328305 330062 W Golgi-localized protein with homology to gamma-adaptin, interacts with and regulates Arf1p and Arf2p in a GTP-dependent manner in order to facilitate traffic through the late Golgi 14996 S000001151 ORF Verified YHR109W CTM1 8 330312 332069 W Cytochrome c lysine methyltransferase, trimethylates residue 72 of apo-cytochrome c (Cyc1p) in the cytosol; not required for normal respiratory growth 14998 S000001152 ORF Verified YHR110W ERP5 8 332284 332922 W Protein with similarity to Emp24p and Erv25p, member of the p24 family involved in ER to Golgi transport 15000 S000001153 ORF Verified YHR111W UBA4 8 333074 334396 W Protein that activates Urm1p before its conjugation to proteins (urmylation); one target is the thioredoxin peroxidase Ahp1p, suggesting a role of urmylation in the oxidative stress response 15002 S000001154 ORF Uncharacterized YHR112C n.a. 8 335665 334529 C Hypothetical protein 15004 S000001155 ORF Uncharacterized YHR113W n.a. 8 336339 337811 W Putative metalloprotease 15006 S000001156 ORF Verified YHR114W BZZ1 8 338085 339986 W SH3 domain protein implicated in the regulation of actin polymerization, able to recruit actin polymerization machinery through its SH3 domains, colocalizes with cortical actin patches and Las17p, interacts with type I myosins 15008 S000001157 ORF Verified YHR115C DMA1 8 341361 340111 C Protein involved in regulating spindle position and orientation, functionally redundant with Dma2p; homolog of S. pombe Dma1 and H. sapiens Chfr 15010 S000001158 ORF Verified YHR116W COX23 8 341667 342122 W Mitochondrial intermembrane space protein that functions in mitochondrial copper homeostasis, essential for functional cytochrome oxidase expression; homologous to Cox17p 15012 S000001159 ORF Verified YHR117W TOM71 8 342351 344270 W Translocase of the Outer Mitochondrial membrane, 71.9 kDa; 71-kDa component of the protein translocase of the outer membrane of mitochondria 15014 S000001160 ORF Verified YHR118C ORC6 8 345630 344323 C Subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing; may be phosphorylated by Cdc28p 15016 S000001161 ORF Verified YHR119W SET1 8 346045 349287 W Histone methyltransferase, subunit of the COMPASS (Set1C) complex which methylates Rad6p ubiquitinated histone H3 on lysine 4; required in transcriptional silencing near telomeres and at the silent mating type loci; contains a SET domain 15018 S000001162 ORF Verified YHR120W MSH1 8 349576 352455 W DNA-binding protein of the mitochondria involved in repair of mitochondrial DNA, has ATPase activity and binds to DNA mismatches; has homology to E. coli MutS; transcription is induced during meiosis 15020 S000001163 ORF Uncharacterized YHR121W LSM12 8 352758 353321 W Protein containing an Lsm domain and an AD domain; may bind RNA and have a role in RNA processing 15022 S000001164 ORF Uncharacterized YHR122W n.a. 8 353627 354322 W Protein required for cell viability 15024 S000001165 ORF Verified YHR123W EPT1 8 354817 356083 W sn-1,2-diacylglycerol ethanolamine- and cholinephosphotranferase; not essential for viability 15027 S000036153 intron n.a. n.a. n.a. 8 354867 354957 W n.a. 15028 S000001166 ORF Verified YHR124W NDT80 8 356563 358446 W Meiosis-specific transcription factor required for exit from pachytene and for full meiotic recombination; activates middle sporulation genes; competes with Sum1p for binding to promoters containing middle sporulation elements (MSE) 15030 S000006567 tRNA n.a. tF(GAA)H2 n.a. 8 358571 358480 C tRNA-Phe 15031 S000032804 intron n.a. n.a. n.a. 8 358534 358516 C n.a. 15035 S000001167 ORF Dubious YHR125W n.a. 8 358860 359165 W Hypothetical protein 15039 S000001168 ORF Uncharacterized YHR126C n.a. 8 360183 359704 C Hypothetical protein 15041 S000001169 ORF Uncharacterized YHR127W n.a. 8 360915 361646 W (H)igh copy (S)uppressor of (N)34 dominant negative allele of SEC4. Suppression is very specific to this allele. It has no affect on the analogous YPT1 allele. No homology or known function. 15043 S000001170 ORF Verified YHR128W FUR1 8 362117 362767 W Uracil phosphoribosyltransferase, synthesizes UMP from uracil; involved in the pyrimidine salvage pathway 15045 S000001171 ORF Verified YHR129C ARP1 8 364155 363001 C Actin-related protein of the dynactin complex; required for spindle orientation and nuclear migration; putative ortholog of mammalian centractin 15047 S000001172 ORF Dubious YHR130C n.a. 8 365302 364967 C Hypothetical protein 15049 S000028782 ORF Dubious YHR131W-A n.a. 8 367749 367994 W Questionable ORF from MIPS 15051 S000001173 ORF Uncharacterized YHR131C n.a. 8 367894 365342 C Hypothetical protein 15053 S000001174 ORF Verified YHR132C ECM14 8 369796 368504 C Putative metalloprotease with similarity to the zinc carboxypeptidase family, required for normal cell wall assembly 15055 S000007496 ORF Uncharacterized YHR132W-A n.a. 8 370056 370451 W Hypothetical protein 15057 S000001175 ORF Uncharacterized YHR133C n.a. 8 371599 370724 C Protein of unknown function, potential homolog of mammalian Insig 1; green fluorescent protein (GFP)-fusion protein localizes to the nuclear periphery 15059 S000001176 ORF Verified YHR134W WSS1 8 371751 372560 W weak suppressor of smt3 15061 S000001177 ORF Verified YHR135C YCK1 8 374312 372696 C Palmitoylated, plasma membrane-bound casein kinase I isoform; shares redundant functions with Yck2p in morphogenesis, proper septin assembly, endocytic trafficking; provides an essential function overlapping with that of Yck2p 15063 S000001178 ORF Verified YHR136C SPL2 8 375102 374656 C Protein with similarity to cyclin-dependent kinase inhibitors, overproduction suppresses a plc1 null mutation; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern 15065 S000001179 ORF Verified YHR137W ARO9 8 375711 377252 W Aromatic aminotransferase, catalyzes the first step of tryptophan, phenylalanine, and tyrosine catabolism 15067 S000028649 ORF Dubious YHR137C-A n.a. 8 376390 375740 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15069 S000001180 ORF Uncharacterized YHR138C n.a. 8 377701 377357 C Homologous to PBI2 15071 S000001181 ORF Verified YHR139C SPS100 8 379201 378221 C Protein required for spore wall maturation; expressed during sporulation; may be a component of the spore wall 15073 S000003533 ORF Dubious YHR139C-A n.a. 8 380421 380110 C Hypothetical protein 15075 S000001182 ORF Uncharacterized YHR140W n.a. 8 380574 381293 W Hypothetical protein 15077 S000007297 snoRNA n.a. snR32 SNR32 8 381542 381729 W H/ACA small nucleolar RNA (snoRNA); guides pseudouridylation of large subunit rRNA at position 2190 15079 S000001183 ORF Verified YHR141C RPL42B 8 382753 381992 C Protein component of the large (60S) ribosomal subunit, identical to Rpl42Ap and has similarity to rat L44; required for propagation of the killer toxin-encoding M1 double-stranded RNA satellite of the L-A double-stranded RNA virus 15082 S000033512 intron n.a. n.a. n.a. 8 382749 382309 C n.a. 15083 S000001184 ORF Verified YHR142W CHS7 8 383540 384490 W Protein of unknown function, involved in chitin biosynthesis by regulating Chs3p export from the ER 15085 S000001186 ORF Verified YHR143W DSE2 8 385512 386489 W Daughter cell-specific secreted protein with similarity to glucanases, degrades cell wall from the daughter side causing daughter to separate from mother; expression is repressed by cAMP 15087 S000001185 ORF Verified YHR143W-A RPC10 8 387235 387447 W RNA polymerase subunit, found in RNA polymerase complexes I, II, and III 15089 S000001187 ORF Verified YHR144C DCD1 8 388728 387790 C Deaminase required for dCTP and dTTP synthesis; expression is cell cycle regulated 15091 S000006682 tRNA n.a. tP(UGG)H SUF8 8 388997 388895 C tRNA-Pro 15092 S000035984 intron n.a. n.a. n.a. 8 388961 388931 C n.a. 15095 S000001188 ORF Dubious YHR145C n.a. 8 389339 388983 C Hypothetical protein 15099 S000001189 ORF Verified YHR146W CRP1 8 390302 391699 W Protein that binds to cruciform DNA structures 15101 S000001190 ORF Verified YHR147C MRPL6 8 393285 392641 C Mitochondrial ribosomal protein of the large subunit 15103 S000001191 ORF Verified YHR148W IMP3 8 393536 394087 W Component of the SSU processome, which is required for pre-18S rRNA processing, essential protein that interacts with Mpp10p and mediates interactions of Imp4p and Mpp10p with U3 snoRNA 15105 S000001192 ORF Uncharacterized YHR149C SKG6 8 396661 394457 C Protein of unknown function; found in the bud tip and bud neck, potential Cdc28p substrate; Skg6p interacts with Zds1p and Zds2p 15107 S000001193 ORF Verified YHR150W PEX28 8 397253 398992 W Peroxisomal integral membrane protein, involved in regulation of peroxisome size and number; genetic interactions suggest that Pex28p and Pex29p act at steps upstream of those mediated by Pex30p, Pex31p, and Pex32p 15109 S000001194 ORF Uncharacterized YHR151C n.a. 8 400850 399270 C Hypothetical protein 15111 S000001195 ORF Verified YHR152W SPO12 8 401436 401957 W Nucleolar protein of unknown function, positive regulator of exit from mitosis; involved in regulating the release of Cdc14p from the nucleolus in early anaphase; proposed to play similar role in meiosis 15113 S000001196 ORF Verified YHR153C SPO16 8 402684 402088 C Protein of unknown function, required for spore formation 15115 S000001197 ORF Verified YHR154W RTT107 8 402968 406180 W Protein that interacts with Mms22p and is implicated in Mms22-dependent DNA repair during S phase, damage induces phosphorylation by Mec1p at one or more SQ/TQ motifs; has four BRCT domains; has a role in regulation of Ty1 transposition 15117 S000001198 ORF Uncharacterized YHR155W YSP1 8 407105 410791 W Hypothetical protein 15119 S000006462 snoRNA n.a. snR71 SNR71 8 411230 411319 W guides 2'-O-methylation on large subunit rRNA at A2943; small nucleolar RNA snR71 15121 S000001199 ORF Verified YHR156C LIN1 8 412408 411386 C Nuclear protein that physically interacts with Irr1p, a component of the cohesin complex; may link together proteins involved in chromosome segregation, mRNA splicing and DNA replication 15123 S000001200 ORF Verified YHR157W REC104 8 412909 413457 W Protein involved in early stages of meiotic recombination; required for meiotic crossing over; forms a complex with Rec102p and Spo11p necessary during the initiation of recombination 15125 S000001201 ORF Verified YHR158C KEL1 8 417181 413687 C Protein required for proper cell fusion and cell morphology; functions in a complex with Kel2p to negatively regulate mitotic exit, interacts with Tem1p and Lte1p; localizes to regions of polarized growth; potential Cdc28p substrate 15127 S000001202 ORF Uncharacterized YHR159W n.a. 8 417551 419065 W Protein of unknown function that localizes to the cytoplasm, potential Cdc28p substrate 15129 S000001203 ORF Verified YHR160C PEX18 8 420074 419223 C Part of a two-member peroxin family (Pex18p and Pex21p) specifically required for peroxisomal targeting of the Pex7p peroxisomal signal recognition factor and PTS2 peroxisomal matrix proteins 15131 S000001204 ORF Verified YHR161C YAP1801 8 422288 420375 C Protein involved in clathrin cage assembly; binds Pan1p and clathrin; homologous to Yap1802p, member of the AP180 protein family 15133 S000001205 ORF Uncharacterized YHR162W n.a. 8 423074 423463 W Hypothetical protein 15135 S000001206 ORF Verified YHR163W SOL3 8 423632 424474 W Glucose-6-phosphate dehydrogenase; weak multicopy suppressor of los1-1 mutation; homologous to Sol2p and Sol1p 15137 S000001207 ORF Verified YHR164C DNA2 8 429179 424611 C Essential tripartite DNA replication factor with single-stranded DNA-dependent ATPase, ATP-dependent nuclease, and helicase activities; required for Okazaki fragment processing; involved in DNA repair pathways; potential Cdc28p substrate 15139 S000028783 ORF Dubious YHR165W-A n.a. 8 436648 436959 W Questionable ORF from MIPS 15141 S000001208 ORF Verified YHR165C PRP8 8 436949 429708 C Component of the U4/U6-U5 snRNP complex, involved in the second catalytic step of splicing 15143 S000001209 ORF Verified YHR166C CDC23 8 439051 437171 C Subunit of the anaphase-promoting complex/cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition 15145 S000001210 ORF Verified YHR167W THP2 8 439343 440128 W Subunit of the THO complex, which functions to connect transcription elongation with mitotic recombination, and of the TREX complex, which is recruited to activated genes and couples transcription to mRNA export 15147 S000001211 ORF Verified YHR168W MTG2 8 440378 441877 W Putative GTPase, member of the Obg family; peripheral protein of the mitochondrial inner membrane that associates with the large ribosomal subunit; required for mitochondrial translation, possibly via a role in ribosome assembly 15149 S000001212 ORF Verified YHR169W DBP8 8 442181 443476 W Putative ATP-dependent RNA helicase of the DEAD-box family involved in biogenesis of the 40S ribosomal subunit 15151 S000001213 ORF Verified YHR170W NMD3 8 443828 445384 W Protein involved in nuclear export of the large ribosomal subunit; acts as a Crm1p-dependent adapter protein for export of nascent ribosomal subunits through the nuclear pore complex 15153 S000001214 ORF Verified YHR171W ATG7 8 445712 447604 W Autophagy-related protein that is a member of the E1 family of ubiquitin-activating enzymes; mediates the conjugation of Atg12p with Atg5p, a required step in the formation of autophagosomes 15155 S000001215 ORF Verified YHR172W SPC97 8 448334 450805 W Component of the microtubule-nucleating Tub4p (gamma-tubulin) complex; interacts with Spc110p at the spindle pole body (SPB) inner plaque and with Spc72p at the SPB outer plaque 15157 S000001216 ORF Dubious YHR173C n.a. 8 451152 450814 C Hypothetical protein 15159 S000001217 ORF Verified YHR174W ENO2 8 451326 452639 W Enolase II, a phosphopyruvate hydratase that catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate during glycolysis and the reverse reaction during gluconeogenesis; expression is induced in response to glucose 15161 S000001218 ORF Verified YHR175W CTR2 8 452871 453440 W Putative low-affinity copper transporter of the vacuolar membrane; mutation confers resistance to toxic copper concentrations, while overexpression confers resistance to copper starvation 15163 S000028553 ORF Uncharacterized YHR175W-A n.a. 8 453557 453706 W Identified by fungal homology and RT-PCR 15165 S000001219 ORF Verified YHR176W FMO1 8 454228 455526 W Flavin-containing monooxygenase, localized to the cytoplasmic face of the ER membrane; catalyzes oxidation of biological thiols to maintain the ER redox buffer ratio for correct folding of disulfide-bonded proteins 15167 S000001220 ORF Uncharacterized YHR177W n.a. 8 456590 457951 W ORF, Uncharacterized 15169 S000001221 ORF Verified YHR178W STB5 8 459298 461529 W Activator of multidrug resistance genes, forms a heterodimer with Pdr1p; contains a Zn(II)2Cys6 zinc finger domain that interacts with a PDRE (pleotropic drug resistance element) in vitro; binds Sin3p in a two-hybrid assay 15171 S000001222 ORF Verified YHR179W OYE2 8 462501 463703 W Widely conserved NADPH oxidoreductase containing flavin mononucleotide (FMN), homologous to Oye3p with slight differences in ligand binding and catalytic properties; may be involved in sterol metabolism 15174 S000001223 ORF Dubious YHR180W n.a. 8 465177 465668 W Hypothetical protein 15177 S000028555 ORF Dubious YHR180W-A n.a. 8 466931 467113 W Identified by fungal homology and RT-PCR 15180 S000006751 tRNA n.a. tT(UGU)H n.a. 8 466989 467060 W tRNA-Thr 15182 S000028554 ORF Dubious YHR180C-B n.a. 8 467061 466957 C Identified by fungal homology and RT-PCR 15184 S000001224 ORF Uncharacterized YHR181W n.a. 8 467227 467913 W Component of Sed5p vesicles 15186 S000001225 ORF Uncharacterized YHR182W n.a. 8 468218 470575 W Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery and cytoplasm 15188 S000001226 ORF Verified YHR183W GND1 8 470959 472428 W 6-phosphogluconate dehydrogenase (decarboxylating), catalyzes an NADPH regenerating reaction in the pentose phosphate pathway; required for growth on D-glucono-delta-lactone and adaptation to oxidative stress 15190 S000028784 ORF Dubious YHR182C-A n.a. 8 471411 470938 C Hypothetical protein 15192 S000001227 ORF Verified YHR184W SSP1 8 472743 474458 W Protein involved in the control of meiotic nuclear division and coordination of meiosis with spore formation; transcription is induced midway through meiosis 15194 S000001228 ORF Verified YHR185C PFS1 8 475339 474626 C Sporulation protein required for prospore membrane formation at selected spindle poles, ensures functionality of all four spindle pole bodies of a cell during meiosis II; not required for meiotic recombination or meiotic chromosome segregation 15196 S000006768 tRNA n.a. tV(CAC)H n.a. 8 475777 475705 C tRNA-Val 15198 S000001229 ORF Verified YHR186C KOG1 8 480671 475998 C Subunit of TORC1, a rapamycin-sensitive complex involved in growth control that contains Tor1p or Tor2p, Lst8p and Tco89p; contains four HEAT repeats and seven WD-40 repeats; may act as a scaffold protein to couple TOR and its effectors 15200 S000001230 ORF Verified YHR187W IKI1 8 480989 481918 W Subunit of the Elp4p-Iki1p-Elp6p-subcomplex of RNA polymerase II elongator complex, which is a histone acetyltransferase; iki1 mutations confer resistance to the K. lactis toxin zymocin 15202 S000001231 ORF Verified YHR188C GPI16 8 483836 482004 C Transmembrane protein subunit of the glycosylphosphatidylinositol transamidase complex that adds GPIs to newly synthesized proteins; human PIG-Tp homolog 15204 S000001232 ORF Verified YHR189W PTH1 8 484027 484599 W One of two (see also PTH2) mitochondrially-localized peptidyl-tRNA hydrolases; dispensable for cell growth and for mitochondrial respiration 15206 S000001233 ORF Verified YHR190W ERG9 8 484844 486178 W Farnesyl-diphosphate farnesyl transferase (squalene synthase), joins two farnesyl pyrophosphate moieties to form squalene in the sterol biosynthesis pathway 15208 S000001234 ORF Verified YHR191C CTF8 8 486630 486229 C Subunit of a complex with Ctf18p that shares some subunits with Replication Factor C and is required for sister chromatid cohesion 15210 S000001235 ORF Uncharacterized YHR192W n.a. 8 486825 487661 W Hypothetical protein 15212 S000001236 ORF Verified YHR193C EGD2 8 488235 487711 C Alpha subunit of the heteromeric nascent polypeptide-associated complex (NAC) involved in protein sorting and translocation, associated with cytoplasmic ribosomes 15214 S000001237 ORF Verified YHR194W MDM31 8 488656 490395 W Mitochondrial inner membrane protein with similarity to Mdm32p, required for normal mitochondrial morphology and inheritance; interacts genetically with MMM1, MDM10, MDM12, and MDM34 15216 S000028785 ORF Dubious YHR193C-A n.a. 8 489026 488652 C Questionable ORF from MIPS 15218 S000001238 ORF Verified YHR195W NVJ1 8 490746 491711 W Nuclear envelope protein that interacts with the vacuolar membrane protein Vac8p to promote formation of nucleus-vacuole junctions during piecemeal microautophagy of the nucleus (PMN) 15220 S000001239 ORF Verified YHR196W UTP9 8 491930 493657 W Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA 15222 S000001240 ORF Verified YHR197W RIX1 8 493895 496186 W Essential protein involved in the processing of the ITS2 region of the rRNA locus; required for the maturation and nuclear export of the 60S ribosomal subunit 15224 S000001241 ORF Uncharacterized YHR198C n.a. 8 497279 496314 C The authentic, non-tagged protein was localized to the mitochondria 15226 S000001242 ORF Uncharacterized YHR199C n.a. 8 498421 497489 C The authentic, non-tagged protein was localized to the mitochondria 15228 S000029704 ORF Uncharacterized YHR199C-A n.a. 8 498858 498570 C ORF, Uncharacterized 15231 S000036812 intron n.a. n.a. n.a. 8 498785 498719 C n.a. 15232 S000001243 ORF Verified YHR200W RPN10 8 499078 499884 W Non-ATPase base subunit of the 19S regulatory particle (RP) of the 26S proteasome; N-terminus plays a role in maintaining the structural integrity of the RP; binds selectively to polyubiquitin chains; homolog of the mammalian S5a protein 15234 S000001244 ORF Verified YHR201C PPX1 8 501142 499949 C Exopolyphosphatase, hydrolyzes inorganic polyphosphate (poly P) into Pi residues; located in the cytosol, plasma membrane, and mitochondrial matrix 15236 S000001245 ORF Uncharacterized YHR202W n.a. 8 502387 504195 W Hypothetical protein 15238 S000001246 ORF Verified YHR203C RPS4B 8 505529 504475 C Protein component of the small (40S) ribosomal subunit; identical to Rps4Bp and has similarity to rat S4 ribosomal protein 15241 S000037173 intron n.a. n.a. n.a. 8 505515 505247 C n.a. 15242 S000001247 ORF Verified YHR204W MNL1 8 506318 508708 W Alpha mannosidase-like protein of the endoplasmic reticulum required for degradation of glycoproteins but not for processing of N-linked oligosaccharides 15244 S000001248 ORF Verified YHR205W SCH9 8 509362 511836 W Protein kinase that regulates signal transduction activity and G1 progression, controls cAPK activity, required for nitrogen activation of the FGM pathway, involved in life span regulation, homologous to mammalian Akt/PKB 15246 S000001249 ORF Verified YHR206W SKN7 8 512731 514599 W Nuclear response regulator and transcription factor, part of a branched two-component signaling system; required for optimal induction of heat-shock genes in response to oxidative stress; involved in osmoregulation 15248 S000001250 ORF Verified YHR207C SET5 8 516484 514904 C Zinc-finger protein of unknown function, contains one canonical and two unusual fingers in unusual arrangements; deletion enhances replication of positive-strand RNA virus 15250 S000001251 ORF Verified YHR208W BAT1 8 517531 518712 W Mitochondrial branched-chain amino acid aminotransferase, homolog of murine ECA39; highly expressed during logarithmic phase and repressed during stationary phase 15252 S000001252 ORF Uncharacterized YHR209W n.a. 8 519436 520311 W Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 15254 S000001253 ORF Uncharacterized YHR210C n.a. 8 521736 520711 C Hypothetical protein 15256 S000001254 ORF Verified YHR211W FLO5 8 525391 528618 W Lectin-like protein involved in flocculation, cell wall protein that binds to mannose chains on the surface of other cells, confers floc-forming ability that is chymotrypsin resistant but heat labile; similar to Flo1p 15259 S000001255 ORF Dubious YHR212C n.a. 8 538093 537758 C Hypothetical protein 15261 S000028650 ORF Uncharacterized YHR212W-A n.a. 8 538741 538944 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15263 S000001256 ORF Uncharacterized YHR213W n.a. 8 539150 539746 W Hypothetical protein 15265 S000028651 ORF Uncharacterized YHR213W-A n.a. 8 540548 540781 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15267 S000028652 ORF Uncharacterized YHR213W-B n.a. 8 540799 541098 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15269 S000001257 ORF Uncharacterized YHR214W n.a. 8 541650 542261 W putative membrane protein 15271 S000003535 ORF Dubious YHR214W-A n.a. 8 543007 543492 W Hypothetical protein 15282 S000028653 ORF Uncharacterized YHR214C-D n.a. 8 550940 550647 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15284 S000028654 ORF Uncharacterized YHR214C-E n.a. 8 551498 551199 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15286 S000001258 ORF Verified YHR215W PHO12 8 552098 553501 W One of three repressible acid phosphatases, a glycoprotein that is transported to the cell surface by the secretory pathway; nearly identical to Pho11p; upregulated by phosphate starvation 15288 S000001259 ORF Verified YHR216W IMD2 8 554395 555966 W Inosine monophosphate dehydrogenase, catalyzes the first step of GMP biosynthesis, expression is induced by mycophenolic acid resulting in resistance to the drug, expression is repressed by nutrient limitation 15299 S000001260 ORF Dubious YHR217C n.a. 8 557041 556580 C Hypothetical protein 15301 S000001261 ORF Uncharacterized YHR218W n.a. 8 558013 559923 W Hypothetical protein 15304 S000034724 intron n.a. n.a. n.a. 8 558615 558713 W n.a. 15305 S000028786 ORF Dubious YHR218W-A n.a. 8 559931 560248 W Hypothetical protein 15307 S000001262 ORF Uncharacterized YHR219W n.a. 8 560172 562046 W Hypothetical protein 15309 S000028655 ORF Dubious YHR219C-A n.a. 8 561680 561198 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15314 S000028658 ORF Dubious YIL177W-A n.a. 9 846 1328 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15316 S000001439 ORF Uncharacterized YIL177C n.a. 9 6147 483 C Hypothetical protein 15319 S000034518 intron n.a. n.a. n.a. 9 4986 4599 C n.a. 15328 S000001438 ORF Uncharacterized YIL176C n.a. 9 9155 8793 C Hypothetical protein 15334 S000001435 ORF Verified YIL173W VTH1 9 11492 16141 W Putative membrane glycoprotein with strong similarity to Vth2p and Pep1p/Vps10p, may be involved in vacuolar protein sorting 15336 S000028798 ORF Dubious YIL171W-A n.a. 9 18260 18712 W Questionable ORF from MIPS 15338 S000001434 ORF Uncharacterized YIL172C n.a. 9 18553 16784 C Hypothetical protein 15344 S000001431 ORF Uncharacterized YIL169C n.a. 9 26106 23119 C Hypothetical protein 15350 S000001428 ORF Uncharacterized YIL166C n.a. 9 32566 30938 C Hypothetical protein, member of the Dal5p subfamily of the major facilitator family 15352 S000001427 ORF Uncharacterized YIL165C n.a. 9 34077 33718 C Hypothetical protein 15354 S000001426 ORF Verified YIL164C NIT1 9 34686 34087 C Nitrilase, member of the widely found nitrilase branch (EC:3.5.5.1) of the nitrilase superfamily 15356 S000001425 ORF Dubious YIL163C n.a. 9 37252 36899 C Hypothetical protein 15358 S000001424 ORF Verified YIL162W SUC2 9 37385 38983 W Invertase, sucrose hydrolyzing enzyme; a secreted, glycosylated form is regulated by glucose repression, and an intracellular, nonglycosylated enzyme is produced constitutively 15360 S000001423 ORF Uncharacterized YIL161W n.a. 9 39433 40140 W Hypothetical protein 15362 S000001422 ORF Verified YIL160C POT1 9 41444 40191 C 3-ketoacyl-CoA thiolase with broad chain length specificity, cleaves 3-ketoacyl-CoA into acyl-CoA and acetyl-CoA during beta-oxidation of fatty acids 15364 S000001421 ORF Verified YIL159W BNR1 9 41825 45952 W Formin, nucleates the formation of linear actin filaments, involved in cell processes such as budding and mitotic spindle orientation which require the formation of polarized actin cables, functionally redundant with BNI1 15366 S000001420 ORF Uncharacterized YIL158W n.a. 9 46201 46815 W Hypothetical protein 15368 S000028797 ORF Dubious YIL156W-A n.a. 9 47292 47693 W Questionable ORF from MIPS 15370 S000001419 ORF Uncharacterized YIL157C n.a. 9 47542 46949 C The authentic, non-tagged protein was localized to the mitochondria 15372 S000028511 ORF Dubious YIL156W-B n.a. 9 47690 47973 W Identified based on homology to Ashbya gossypii 15375 S000030267 intron n.a. n.a. n.a. 9 47699 47760 W n.a. 15376 S000001418 ORF Verified YIL156W UBP7 9 48091 51306 W Ubiquitin-specific protease that cleaves ubiquitin-protein fusions 15378 S000001417 ORF Verified YIL155C GUT2 9 53708 51759 C Mitochondrial glycerol-3-phosphate dehydrogenase; expression is repressed by both glucose and cAMP and derepressed by non-fermentable carbon sources in a Snf1p, Rsf1p, Hap2/3/4/5 complex dependent manner 15380 S000001416 ORF Verified YIL154C IMP2' 9 55021 53981 C Transcriptional activator involved in maintenance of ion homeostasis and protection against DNA damage caused by bleomycin and other oxidants, contains a C-terminal leucine-rich repeat 15382 S000001415 ORF Verified YIL153W RRD1 9 55198 56379 W Activator of the phosphotyrosyl phosphatase activity of PP2A; regulates G1 phase progression, the G2/M phase transition, microtubule dynamics, the osmoresponse, bud morphogenesis and DNA repair; subunit of the Tap42p-Sit4p-Rrd1p complex 15384 S000001414 ORF Uncharacterized YIL152W n.a. 9 56545 57252 W Hypothetical protein 15386 S000001413 ORF Uncharacterized YIL151C n.a. 9 60694 57338 C Hypothetical protein 15388 S000001412 ORF Verified YIL150C MCM10 9 62728 61013 C Essential, chromatin-associated protein involved in the initiation of DNA replication; required for the association of the MCM2-7 complex with replication origins 15390 S000001411 ORF Verified YIL149C MLP2 9 68067 63028 C Myosin-like protein associated with the nuclear envelope, connects the nuclear pore complex with the nuclear interior; involved in the Tel1p pathway that controls telomere length 15392 S000001410 ORF Verified YIL148W RPL40A 9 68708 69528 W Fusion protein, identical to Rpl40Bp, that is cleaved to yield ubiquitin and a ribosomal protein of the large (60S) ribosomal subunit with similarity to rat L40; ubiquitin may facilitate assembly of the ribosomal protein into ribosomes 15395 S000031653 intron n.a. n.a. n.a. 9 68716 69149 W n.a. 15396 S000001409 ORF Verified YIL147C SLN1 9 73453 69791 C Histidine kinase osmosensor that regulates a MAP kinase cascade; transmembrane protein with an intracellular kinase domain that signals to Ypd1p and Ssk1p, thereby forming a phosphorelay system similar to bacterial two-component regulators 15398 S000001408 ORF Verified YIL146C ECM37 9 75773 74184 C Non-essential protein of unknown function 15400 S000001407 ORF Verified YIL145C PAN6 9 77283 76354 C Pantothenate synthase, also known as pantoate-beta-alanine ligase, required for pantothenic acid biosynthesis, deletion causes pantothenic acid auxotrophy, homologous to E. coli panC 15402 S000001406 ORF Verified YIL144W TID3 9 78074 80149 W Component of the evolutionarily conserved kinetochore-associated Ndc80 complex (Ndc80p-Nuf2p-Spc24p-Spc25p); conserved coiled-coil protein involved in chromosome segregation, spindle checkpoint activity, kinetochore assembly and clustering 15404 S000001405 ORF Verified YIL143C SSL2 9 83041 80510 C Component of the holoenzyme form of RNA polymerase transcription factor TFIIH, has DNA-dependent ATPase/helicase activity and is required, with Rad3p, for unwinding promoter DNA; involved in DNA repair; homolog of human ERCC3 15406 S000001404 ORF Verified YIL142W CCT2 9 83302 84885 W Subunit beta of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo 15408 S000028796 ORF Dubious YIL142C-A n.a. 9 83540 83208 C Hypothetical protein 15410 S000001403 ORF Dubious YIL141W n.a. 9 85053 85442 W Hypothetical protein 15412 S000001402 ORF Verified YIL140W AXL2 9 85366 87837 W Integral plasma membrane protein required for axial budding in haploid cells, localizes to the incipient bud site and bud neck; glycosylated by Pmt4p; potential Cdc28p substrate 15414 S000001401 ORF Verified YIL139C REV7 9 88716 87979 C Subunit of DNA polymerase zeta, which is involved in DNA repair; required for mutagenesis induced by DNA damage 15416 S000001400 ORF Verified YIL138C TPM2 9 89715 89230 C Minor isoform of tropomyosin, binds to and stabilizes actin cables and filaments, which direct polarized cell growth and the distribution of several organelles; appears to have distinct and also overlapping functions with Tpm1p 15418 S000001399 ORF Uncharacterized YIL137C n.a. 9 92788 89948 C Putative metalloprotease 15420 S000001398 ORF Verified YIL136W OM45 9 93619 94800 W Protein of unknown function, major constituent of the mitochondrial outer membrane; located on the outer (cytosolic) face of the outer membrane 15422 S000001397 ORF Verified YIL135C VHS2 9 96375 95065 C Cytoplasmic protein of unknown function; identified as a high-copy suppressor of the synthetic lethality of a sis2 sit4 double mutant, suggesting a role in G1/S phase progression; similar to Mlf3p 15424 S000028556 ORF Uncharacterized YIL134C-A n.a. 9 96725 96522 C Identified by fungal homology and RT-PCR 15426 S000006459 snoRNA n.a. snR68 SNR68 9 97111 97246 W guides 2'-O-methylation on large subunit rRNA at A2637; small nucleolar RNA snR68 15428 S000001396 ORF Verified YIL134W FLX1 9 97395 98330 W Protein required for transport of flavin adenine dinucleotide (FAD) from mitochondria, where it is synthesized from riboflavin, to the cytosol 15430 S000001395 ORF Verified YIL133C RPL16A 9 99416 98527 C N-terminally acetylated protein component of the large (60S) ribosomal subunit, binds to 5.8 S rRNA; has similarity to Rpl16Bp, E. coli L13 and rat L13a ribosomal proteins; transcriptionally regulated by Rap1p 15433 S000033254 intron n.a. n.a. n.a. 9 99385 99096 C n.a. 15434 S000001394 ORF Verified YIL132C CSM2 9 100501 99860 C Protein required for accurate chromosome segregation during meiosis 15436 S000001393 ORF Verified YIL131C FKH1 9 102235 100781 C Transcription factor of the forkhead family that regulates the cell cycle and pseudohyphal growth; also involved in chromatin silencing at HML and HMR 15438 S000001392 ORF Uncharacterized YIL130W n.a. 9 102782 105676 W Proposed transcriptional activator, member of the Gal4p family of zinc cluster proteins 15440 S000001391 ORF Verified YIL129C TAO3 9 113237 106107 C Protein involved in cell morphogenesis and proliferation, associated with protein kinase Cbk1p; mutants activate OCH1 transcription 15442 S000001390 ORF Verified YIL128W MET18 9 113806 116904 W DNA repair and TFIIH regulator, required for both nucleotide excision repair (NER) and RNA polymerase II (RNAP II) transcription; possible role in assembly of a multiprotein complex(es) required for NER and RNAP II transcription 15444 S000001389 ORF Uncharacterized YIL127C n.a. 9 117644 117024 C Hypothetical protein 15446 S000001388 ORF Verified YIL126W STH1 9 117992 122071 W ATPase component of the ATP-dependent RSC chromatin remodeling complex required for kinetochore function in chromosome segregation; required for expression of early meiotic genes; essential helicase-related protein homologous to Snf2p 15448 S000001387 ORF Verified YIL125W KGD1 9 122689 125733 W Component of the mitochondrial alpha-ketoglutarate dehydrogenase complex, which catalyzes a key step in the tricarboxylic acid (TCA) cycle, the oxidative decarboxylation of alpha-ketoglutarate to form succinyl-CoA 15450 S000001386 ORF Verified YIL124W AYR1 9 126204 127097 W NADPH-dependent 1-acyl dihydroxyacetone phosphate reductase found in lipid particles and ER; involved in phosphatidic acid biosynthesis and required for spore germination; capable of metabolizing mammalian steroid hormones 15452 S000001385 ORF Verified YIL123W SIM1 9 128151 129578 W Protein of the SUN family (Sim1p, Uth1p, Nca3p, Sun4p) that may participate in DNA replication, promoter contains SCB regulation box at -300 bp indicating that expression may be cell cycle-regulated 15454 S000001384 ORF Verified YIL122W POG1 9 130607 131662 W Putative transcriptional activator that promotes recovery from pheromone induced arrest; inhibits both alpha-factor induced G1 arrest and repression of CLN1 and CLN2 via SCB/MCB promoter elements; potential Cdc28p substrate; SBF regulated 15456 S000001383 ORF Verified YIL121W QDR2 9 132241 133869 W Multidrug transporter required for resistance to quinidine, barban, cisplatin, and bleomycin; member of the major facilitator superfamily of transporters conferring multiple drug resistance (MFS-MDR) 15458 S000001382 ORF Verified YIL120W QDR1 9 134414 136105 W Multidrug transporter required for resistance to quinidine, ketoconazole, fluconazole, and barban; member of the major facilitator superfamily of transporters conferring multiple drug resistance (MFS-MDR) 15460 S000001381 ORF Verified YIL119C RPI1 9 137874 136651 C Putative transcriptional regulator; overexpression suppresses the heat shock sensitivity of wild-type RAS2 overexpression and also suppresses the cell lysis defect of an mpk1 mutation 15462 S000001380 ORF Verified YIL118W RHO3 9 139749 140444 W Non-essential small GTPase of the Rho/Rac subfamily of Ras-like proteins involved in the establishment of cell polarity; GTPase activity positively regulated by the GTPase activating protein (GAP) Rgd1p 15464 S000001379 ORF Verified YIL117C PRM5 9 141566 140610 C Pheromone-regulated protein, predicted to have 1 transmembrane segment; induced during cell integrity signaling 15466 S000001378 ORF Verified YIL116W HIS5 9 142925 144082 W Histidinol-phosphate aminotransferase, catalyzes the seventh step in histidine biosynthesis; responsive to general control of amino acid biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts 15468 S000028795 ORF Dubious YIL115W-A n.a. 9 144265 144636 W Questionable ORF from MIPS 15470 S000001377 ORF Verified YIL115C NUP159 9 148706 144324 C Subunit of the nuclear pore complex that is found exclusively on the cytoplasmic side, forms a subcomplex with Nup82p and Nsp1p, required for mRNA export 15472 S000001376 ORF Verified YIL114C POR2 9 149985 149140 C Putative mitochondrial porin (voltage-dependent anion channel), related to Por1p but not required for mitochondrial membrane permeability or mitochondrial osmotic stability 15474 S000001375 ORF Verified YIL113W SDP1 9 150556 151185 W Stress-inducible dual-specificity MAP kinase phosphatase, negatively regulates Slt2p MAP kinase by direct dephosphorylation, diffuse localization under normal conditions shifts to punctate localization after heat shock 15476 S000001374 ORF Uncharacterized YIL112W HOS4 9 151592 154843 W Subunit of the Set3 complex, which is a meiotic-specific repressor of sporulation specific genes that contains deacetylase activity; potential Cdc28p substrate 15478 S000001373 ORF Verified YIL111W COX5B 9 155219 155762 W Subunit Vb of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; predominantly expressed during anaerobic growth while its isoform Va (Cox5Ap) is expressed during aerobic growth 15481 S000033708 intron n.a. n.a. n.a. 9 155220 155307 W n.a. 15482 S000001372 ORF Uncharacterized YIL110W n.a. 9 156042 157175 W Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 15484 S000001371 ORF Verified YIL109C SEC24 9 160162 157382 C Component of the Sec23p-Sec24p heterodimeric complex of the COPII vesicle coat; involved in ER to Golgi transport, cargo selection and autophagy; required for the binding of the Sec13 complex to ER membranes; homologous to Lst1p and Lss1p 15486 S000001370 ORF Uncharacterized YIL108W n.a. 9 160884 162974 W Putative metalloprotease 15488 S000001369 ORF Verified YIL107C PFK26 9 165758 163275 C 6-phosphofructo-2-kinase, inhibited by phosphoenolpyruvate and sn-glycerol 3-phosphate, has negligible fructose-2,6-bisphosphatase activity, transcriptional regulation involves protein kinase A 15490 S000001368 ORF Verified YIL106W MOB1 9 166412 167441 W Component of the mitotic exit network; associates with and is required for the activation and Cdc15p-dependent phosphorylation of the Dbf2p kinase; required for cytokinesis and cell separation; component of the CCR4 transcriptional complex 15493 S000031987 intron n.a. n.a. n.a. 9 166432 166516 W n.a. 15494 S000028657 ORF Dubious YIL105W-A n.a. 9 167661 167801 W Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15496 S000001367 ORF Verified YIL105C SLM1 9 169638 167578 C Phosphoinositide PI4,5P(2) binding protein, forms a complex with Slm2p; acts downstream of Mss4p in a pathway regulating actin cytoskeleton organization in response to stress; phosphorylated by the Tor2p-containing complex TORC2 15498 S000001366 ORF Verified YIL104C SHQ1 9 171502 169979 C Essential nuclear protein, required for accumulation of box H/ACA snoRNAs and for rRNA processing; interacts with Naf1p 15500 S000001365 ORF Verified YIL103W DPH1 9 171748 173025 W Protein required, along with Dph2p, Kti11p, Jjj3p, and Dph5p, for synthesis of diphthamide, which is a modified histidine residue of translation elongation factor 2 (Eft1p or Eft2p); may act in a complex with Dph2p and Kti11p 15502 S000001364 ORF Uncharacterized YIL102C n.a. 9 174884 174579 C Hypothetical protein 15504 S000006741 tRNA n.a. tT(AGU)I1 n.a. 9 175028 175100 W tRNA-Thr 15506 S000001363 ORF Verified YIL101C XBP1 9 177247 175304 C Transcriptional repressor that binds to promoter sequences of the cyclin genes, CYS3, and SMF2; expression is induced by stress or starvation during mitosis, and late in meiosis; member of the Swi4p/Mbp1p family; potential Cdc28p substrate 15508 S000001362 ORF Dubious YIL100W n.a. 9 177370 177723 W Hypothetical protein 15510 S000028794 ORF Dubious YIL100C-A n.a. 9 177678 177340 C Questionable ORF from MIPS 15512 S000001361 ORF Verified YIL099W SGA1 9 178001 179650 W Intracellular sporulation-specific glucoamylase involved in glycogen degradation; induced during starvation of a/a diploids late in sporulation, but dispensable for sporulation 15514 S000001360 ORF Verified YIL098C FMC1 9 180236 179769 C Mitochondrial matrix protein, required for assembly or stability at high temperature of the F1 sector of mitochondrial F1F0 ATP synthase 15516 S000001359 ORF Verified YIL097W FYV10 9 180424 181974 W Protein of unknown function, required for survival upon exposure to K1 killer toxin; involved in proteasome-dependent catabolite inactivation of fructose-1,6-bisphosphatase; contains CTLH domain 15518 S000001358 ORF Uncharacterized YIL096C n.a. 9 183124 182114 C Hypothetical protein 15520 S000006605 tRNA n.a. tI(AAU)I1 n.a. 9 183510 183437 C tRNA-Ile 15522 S000001357 ORF Verified YIL095W PRK1 9 183934 186366 W Protein serine/threonine kinase; regulates the organization and function of the actin cytoskeleton through the phosphorylation of the Pan1p-Sla1p-End3p protein complex 15524 S000001356 ORF Verified YIL094C LYS12 9 187629 186514 C Homo-isocitrate dehydrogenase, an NAD-linked mitochondrial enzyme required for the fourth step in the biosynthesis of lysine, in which homo-isocitrate is oxidatively decarboxylated to alpha-ketoadipate 15526 S000001355 ORF Verified YIL093C RSM25 9 188781 187987 C Mitochondrial ribosomal protein of the small subunit 15528 S000001354 ORF Uncharacterized YIL092W n.a. 9 189063 190964 W Hypothetical protein 15530 S000001353 ORF Uncharacterized YIL091C n.a. 9 193192 191027 C Protein required for cell viability 15532 S000001352 ORF Verified YIL090W ICE2 9 193592 195067 W Integral ER membrane protein with type-III transmembrane domains; mutations cause defects in cortical ER morphology in both the mother and daughter cells 15534 S000001351 ORF Uncharacterized YIL089W n.a. 9 195596 196213 W Hypothetical protein 15538 S000006547 tRNA n.a. tE(CUC)I n.a. 9 197589 197660 W tRNA-Glu 15540 S000001350 ORF Verified YIL088C AVT7 9 199400 197928 C Putative transporter, member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters 15542 S000001349 ORF Uncharacterized YIL087C n.a. 9 200116 199643 C Hypothetical protein 15544 S000001348 ORF Dubious YIL086C n.a. 9 200458 200150 C Hypothetical protein 15546 S000001347 ORF Verified YIL085C KTR7 9 202040 200487 C Putative mannosyltransferase involved in protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family 15548 S000001346 ORF Verified YIL084C SDS3 9 203256 202273 C Component of the Rpd3p/Sin3p deacetylase complex required for its structural integrity and catalytic activity, involved in transcriptional silencing and required for sporulation; cells defective in SDS3 display pleiotropic phenotypes 15550 S000001345 ORF Uncharacterized YIL083C n.a. 9 204650 203553 C Homolog to human PPCS 15562 S000001344 ORF Dubious YIL082W n.a. 9 205632 206504 W Hypothetical protein 15565 S000006606 tRNA n.a. tI(AAU)I2 n.a. 9 210662 210735 W tRNA-Ile 15567 S000001341 ORF Verified YIL079C AIR1 9 212002 210920 C RING finger protein that interacts with the arginine methyltransferase Hmt1p to regulate methylation of Npl3p, which modulates Npl3p function in mRNA processing and export; has similarity to Air2p 15569 S000001340 ORF Verified YIL078W THS1 9 212496 214700 W Threonyl-tRNA synthetase, essential cytoplasmic protein 15572 S000001339 ORF Uncharacterized YIL077C n.a. 9 215950 214988 C Hypothetical protein 15574 S000001338 ORF Verified YIL076W SEC28 9 216466 217545 W Epsilon-COP subunit of the coatomer; regulates retrograde Golgi-to-ER protein traffic; stabilizes Cop1p, the alpha-COP and the coatomer complex; non-essential for cell growth 15576 S000001337 ORF Verified YIL075C RPN2 9 220697 217860 C Subunit of the 26S proteasome, substrate of the N-acetyltransferase Nat1p 15578 S000001336 ORF Verified YIL074C SER33 9 222487 221078 C 3-phosphoglycerate dehydrogenase, catalyzes the first step in serine and glycine biosynthesis; isozyme of Ser3p 15580 S000001335 ORF Verified YIL073C SPO22 9 225951 222934 C Meiosis-specific protein with similarity to phospholipase A2, involved in completion of nuclear divisions during meiosis; induced early in meiosis 15583 S000030518 intron n.a. n.a. n.a. 9 225896 225807 C n.a. 15584 S000001334 ORF Verified YIL072W HOP1 9 226599 228416 W Meiosis-specific DNA binding protein that displays Red1p dependent localization to the unsynapsed axial-lateral elements of the synaptonemal complex; required for homologous chromosome synapsis and chiasma formation 15586 S000028793 ORF Dubious YIL071W-A n.a. 9 228547 229023 W Questionable ORF from MIPS 15588 S000001333 ORF Verified YIL071C PCI8 9 229991 228657 C Possible shared subunit of Cop9 signalosome (CSN) and eIF3, binds eIF3b subunit Prt1p, has possible dual functions in transcriptional and translational control, contains a PCI (Proteasome-COP9 signalosome (CSN)-eIF3) domain 15590 S000001332 ORF Verified YIL070C MAM33 9 231069 230269 C Acidic protein of the mitochondrial matrix involved in oxidative phosphorylation; related to the human complement receptor gC1q-R 15592 S000001331 ORF Verified YIL069C RPS24B 9 232366 231550 C Protein component of the small (40S) ribosomal subunit; identical to Rps24Ap and has similarity to rat S24 ribosomal protein 15595 S000036652 intron n.a. n.a. n.a. 9 232363 231955 C n.a. 15596 S000028792 ORF Dubious YIL068W-A n.a. 9 233010 233393 W Questionable ORF from MIPS 15598 S000001330 ORF Verified YIL068C SEC6 9 235471 233054 C Essential 88kDa subunit of the exocyst complex (Sec3p, Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p), which has the essential function of mediating polarized targeting of secretory vesicles to active sites of exocytosis 15600 S000028791 ORF Dubious YIL066W-A n.a. 9 237363 237806 W Questionable ORF from MIPS 15602 S000001329 ORF Uncharacterized YIL067C n.a. 9 237757 235721 C Hypothetical protein 15604 S000001328 ORF Verified YIL066C RNR3 9 240705 238096 C Ribonucleotide-diphosphate reductase (RNR), large subunit; the RNR complex catalyzes the rate-limiting step in dNTP synthesis and is regulated by DNA replication and DNA damage checkpoint pathways via localization of the small subunits 15606 S000001327 ORF Verified YIL065C FIS1 9 241772 241305 C Mitochondrial outer membrane protein involved in membrane fission, required for localization of Dnm1p and Mdv1p during mitochondrial division 15608 S000001326 ORF Uncharacterized YIL064W n.a. 9 241940 242713 W Putative S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family 15610 S000001325 ORF Verified YIL063C YRB2 9 243741 242758 C Ran-GTPase-binding protein involved in nuclear export; nuclear protein, interacts with Gsp1p and Crm1p 15612 S000001324 ORF Verified YIL062C ARC15 9 244459 243995 C Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches 15614 S000001323 ORF Verified YIL061C SNP1 9 245556 244654 C U1snRNP 70K protein homolog 15616 S000001322 ORF Uncharacterized YIL060W n.a. 9 246389 246823 W Hypothetical protein 15619 S000001320 ORF Dubious YIL058W n.a. 9 246911 247195 W Hypothetical protein 15621 S000001321 ORF Dubious YIL059C n.a. 9 246912 246547 C Hypothetical protein 15623 S000001319 ORF Uncharacterized YIL057C n.a. 9 248393 247899 C Hypothetical protein 15625 S000006735 tRNA n.a. tS(UGA)I SUP17 9 248847 248928 W tRNA-Ser 15627 S000001318 ORF Uncharacterized YIL056W n.a. 9 249989 251911 W Hypothetical protein 15629 S000001317 ORF Uncharacterized YIL055C n.a. 9 253923 252040 C Hypothetical protein 15631 S000001316 ORF Dubious YIL054W n.a. 9 254541 254858 W Hypothetical protein 15633 S000001315 ORF Verified YIL053W RHR2 9 255050 255865 W Constitutively expressed isoform of DL-glycerol-3-phosphatase; involved in glycerol biosynthesis, induced in response to both anaerobic and, along with the Hor2p/Gpp2p isoform, osmotic stress 15635 S000001314 ORF Verified YIL052C RPL34B 9 257061 256224 C Protein component of the large (60S) ribosomal subunit, nearly identical to Rpl34Ap and has similarity to rat L34 ribosomal protein 15638 S000030948 intron n.a. n.a. n.a. 9 257024 256553 C n.a. 15639 S000001313 ORF Verified YIL051C MMF1 9 258279 257842 C Mitochondrial protein involved in maintenance of the mitochondrial genome 15641 S000001312 ORF Verified YIL050W PCL7 9 258912 259769 W Pho85p cyclin of the Pho80p subfamily, forms a functional kinase complex with Pho85p which phosphorylates Mmr1p and is regulated by Pho81p; involved in glycogen metabolism, expression is cell-cycle regulated 15643 S000001311 ORF Verified YIL049W DFG10 9 260157 260918 W Protein of unknown function, involved in filamentous growth 15645 S000001310 ORF Verified YIL048W NEO1 9 261436 264891 W Protein involved in the retrograde transport from the Golgi complex to the ER and the endosomal membrane traffic; putative aminophospholipid translocase; member of the highly conserved Drs2 family of P-type ATPases 15647 S000028790 ORF Dubious YIL047C-A n.a. 9 265466 265098 C Questionable ORF from MIPS 15649 S000001309 ORF Verified YIL047C SYG1 9 267822 265114 C Plasma membrane protein of unknown function; truncation and overexpression suppresses lethality of G-alpha protein deficiency 15651 S000028836 ORF Uncharacterized YIL046W-A n.a. 9 268308 268472 W Identified by expression profiling and mass spectrometry 15653 S000001308 ORF Verified YIL046W MET30 9 268650 270572 W F-box protein containing five copies of the WD40 motif, controls cell cycle function, sulfur metabolism, and methionine biosynthesis as part of the ubiquitin ligase complex; interacts with and regulates Met4p, localizes within the nucleus 15655 S000001307 ORF Verified YIL045W PIG2 9 271160 272776 W Protein that interacts with glycogen synthase, Gsy2p 15657 S000001306 ORF Verified YIL044C AGE2 9 273845 272949 C ADP-ribosylation factor (ARF) GTPase activating protein (GAP) effector, involved in Trans-Golgi-Network (TGN) transport; contains C2C2H2 cysteine/histidine motif 15659 S000001305 ORF Verified YIL043C CBR1 9 275039 274071 C cytochrome b reductase 15661 S000001304 ORF Uncharacterized YIL042C n.a. 9 276291 275107 C Hypothetical protein 15663 S000001303 ORF Uncharacterized YIL041W n.a. 9 276524 277504 W Golgi-vesicle protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm 15665 S000001302 ORF Verified YIL040W APQ12 9 277722 278138 W Protein involved in nucleocytoplasmic transport of mRNA 15667 S000001301 ORF Uncharacterized YIL039W n.a. 9 278425 279846 W Hypothetical protein 15669 S000001300 ORF Verified YIL038C NOT3 9 282651 280141 C Subunit of the CCR4-NOT complex, which is a global transcriptional regulator with roles in transcription initiation and elongation and in mRNA degradation 15671 S000001299 ORF Verified YIL037C PRM2 9 284998 283028 C Pheromone-regulated protein, predicted to have 4 transmembrane segments and a coiled coil domain; regulated by Ste12p 15673 S000001298 ORF Verified YIL036W CST6 9 285665 287428 W Basic leucine zipper (bZIP) transcription factor of the ATF/CREB family, activates transcription of genes involved in utilization of non-optimal carbon sources 15675 S000001297 ORF Verified YIL035C CKA1 9 288907 287789 C Alpha subunit of protein kinase casein kinase-2 (CK2), a spontaneously active, ubiquitous, pleiotropic enzyme that phosphorylates seryl/threonyl residues specified by multiple negatively charged side chains (consensus S/T-x-x-E/D/S(P)/T(P) 15677 S000001296 ORF Verified YIL034C CAP2 9 290088 289225 C Beta subunit of the capping protein (CP) heterodimer (Cap1p and Cap2p) which binds to the barbed ends of actin filaments preventing further polymerization; localized predominantly to cortical actin patches 15679 S000001295 ORF Verified YIL033C BCY1 9 291668 290418 C Regulatory subunit of the cyclic AMP-dependent protein kinase (PKA), a component of a signaling pathway that controls a variety of cellular processes, including metabolism, cell cycle, stress response, stationary phase, and sporulation 15681 S000001294 ORF Dubious YIL032C n.a. 9 292316 291960 C Hypothetical protein 15683 S000001293 ORF Verified YIL031W ULP2 9 292632 295736 W Peptidase that deconjugates Smt3/SUMO-1 peptides from proteins, plays a role in chromosome cohesion at centromeric regions and recovery from checkpoint arrest induced by DNA damage or DNA replication defects; potential Cdc28p substrate 15685 S000028789 ORF Dubious YIL030W-A n.a. 9 295564 295902 W Questionable ORF from MIPS 15687 S000028788 ORF Dubious YIL029W-A n.a. 9 299734 300105 W Questionable ORF from MIPS 15689 S000001292 ORF Verified YIL030C SSM4 9 300008 296049 C Ubiquitin-protein ligase of the ER/nuclear envelope, required for degradation of Alpha2p and other proteins containing a Deg1 degradation signal; ssm4 mutation suppresses mRNA instability caused by an rna14 mutation 15691 S000006624 tRNA n.a. tK(CUU)I n.a. 9 300298 300227 C tRNA-Lys 15694 S000001291 ORF Uncharacterized YIL029C n.a. 9 301255 300827 C Hypothetical protein 15696 S000001290 ORF Dubious YIL028W n.a. 9 302098 302496 W Hypothetical protein 15698 S000001289 ORF Verified YIL027C KRE27 9 304102 303677 C Protein of unknown function; null mutant shows K1 killer toxin resistance 15700 S000001288 ORF Verified YIL026C IRR1 9 307927 304475 C Subunit of the cohesin complex, which is required for sister chromatid cohesion during mitosis and meiosis and interacts with centromeres and chromosome arms, essential for viability 15702 S000001287 ORF Dubious YIL025C n.a. 9 308573 308199 C Hypothetical protein 15704 S000001286 ORF Uncharacterized YIL024C n.a. 9 309169 308600 C Hypothetical protein 15706 S000001285 ORF Uncharacterized YIL023C n.a. 9 310424 309384 C Hypothetical protein 15708 S000001284 ORF Verified YIL022W TIM44 9 311163 312458 W Peripheral mitochondrial membrane protein involved in mitochondrial protein import, tethers essential chaperone Ssc1p to the translocon channel at the matrix side of the inner membrane 15710 S000001283 ORF Verified YIL021W RPB3 9 312903 313859 W RNA polymerase II third largest subunit B44, part of central core; similar to prokaryotic alpha subunit 15712 S000028656 ORF Dubious YIL021C-A n.a. 9 313466 313197 C Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching 15714 S000028787 ORF Dubious YIL020C-A n.a. 9 314049 313711 C Questionable ORF from MIPS 15716 S000001282 ORF Verified YIL020C HIS6 9 314818 314033 C Phosphoribosyl-5-amino-1-phosphoribosyl-4-imidazolecarboxiamide isomerase, catalyzes the fourth step in histidine biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts 15718 S000001281 ORF Verified YIL019W FAF1 9 315091 316131 W Protein required for pre-rRNA processing and 40S ribosomal subunit assembly 15720 S000001280 ORF Verified YIL018W RPL2B 9 316766 317930 W Protein component of the large (60S) ribosomal subunit, identical to Rpl2Ap and has similarity to E. coli L2 and rat L8 ribosomal proteins; expression is upregulated at low temperatures 15723 S000036026 intron n.a. n.a. n.a. 9 316770 317169 W n.a. 15724 S000001279 ORF Verified YIL017C VID28 9 320963 318198 C Protein involved in proteasome-dependent catabolite degradation of fructose-1,6-bisphosphatase (FBPase); localized to the nucleus and the cytoplasm 15726 S000001278 ORF Verified YIL016W SNL1 9 321452 321931 W Protein of unknown function proposed to be involved in nuclear pore complex biogenesis and maintenance as well as protein folding; has similarity to the mammalian BAG-1 protein 15728 S000001277 ORF Verified YIL015W BAR1 9 322340 324103 W Aspartyl protease secreted into the periplasmic space of mating type a cells, helps cells find mating partners, cleaves and inactivates alpha factor allowing cells to recover from alpha-factor-induced cell cycle arrest 15730 S000006534 tRNA n.a. tD(GUC)I1 n.a. 9 324372 324301 C tRNA-Asp 15734 S000003536 ORF Uncharacterized YIL014C-A n.a. 9 325524 325210 C Hypothetical protein 15736 S000006742 tRNA n.a. tT(AGU)I2 n.a. 9 325746 325818 W tRNA-Thr 15738 S000001276 ORF Verified YIL014W MNT3 9 326101 327993 W Alpha-1,3-mannosyltransferase, adds the fourth and fifth alpha-1,3-linked mannose residues to O-linked glycans during protein O-glycosylation 15740 S000001275 ORF Verified YIL013C PDR11 9 332440 328205 C Membrane protein of the ATP-binding cassette (ABC) transporter superfamily, involved in multiple drug resistance, mediates sterol uptake when sterol biosynthesis is compromised, regulated by Pdr1p, required for anaerobic growth 15742 S000001274 ORF Dubious YIL012W n.a. 9 333009 333401 W Hypothetical protein 15744 S000001273 ORF Verified YIL011W TIR3 9 333724 334533 W Cell wall mannoprotein of the Srp1p/Tip1p family of serine-alanine-rich proteins; expressed under anaerobic conditions and required for anaerobic growth 15746 S000001272 ORF Verified YIL010W DOT5 9 334879 335526 W Nuclear thiol peroxidase which functions as an alkyl-hydroperoxide reductase during post-diauxic growth 15748 S000006432 ORF Verified YIL009C-A EST3 9 336209 335663 C Component of the telomerase holoenzyme, involved in telomere replication 15752 S000006535 tRNA n.a. tD(GUC)I2 n.a. 9 336417 336346 C tRNA-Asp 15755 S000001271 ORF Verified YIL009W FAA3 9 339341 341425 W Long chain fatty acyl-CoA synthetase, has a preference for C16 and C18 fatty acids; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery 15757 S000001270 ORF Verified YIL008W URM1 9 342533 342832 W Ubiquitin-like protein with only weak sequence similarity to ubiquitin; depends on the E1-like activating enzyme Uba4p; molecular function of the Urm1p pathway is unknown, but it is required for normal growth, particularly at high temperature 15759 S000001269 ORF Verified YIL007C NAS2 9 343653 342991 C Protein with similarity to the p27 subunit of mammalian proteasome modulator; not essential; interacts with Rpn4p 15761 S000001268 ORF Verified YIL006W n.a. 9 344059 345180 W Pvruvate transporter of the mitochondrial inner membrane, member of the mitochondrial carrier family; has putative mouse and human orthologs 15763 S000001267 ORF Verified YIL005W EPS1 9 345689 347794 W Pdi1p (protein disulfide isomerase)-related protein involved in endoplasmic reticulum retention of resident ER proteins 15765 S000001266 ORF Verified YIL004C BET1 9 348502 347943 C Type II membrane protein required for vesicular transport between the endoplasmic reticulum and Golgi complex; v-SNARE with similarity to synaptobrevins 15768 S000037581 intron n.a. n.a. n.a. 9 348491 348361 C n.a. 15769 S000001265 ORF Verified YIL003W CFD1 9 349119 350000 W Highly conserved, putative P-loop ATPase localized in the cytoplasm; has a potential role in assembly of iron-sulfur clusters in proteins 15771 S000028835 ORF Uncharacterized YIL002W-A n.a. 9 350298 350507 W Identified by expression profiling and mass spectrometry 15773 S000001264 ORF Verified YIL002C INP51 9 353428 350588 C Phosphatidylinositol 4,5-bisphosphate 5-phosphatase, synaptojanin-like protein with an N-terminal Sac1 domain, plays a role in phosphatidylinositol 4,5-bisphosphate homeostasis and in endocytosis; null mutation confers cold-tolerant growth 15775 S000001263 ORF Uncharacterized YIL001W n.a. 9 353937 355478 W Hypothetical protein 15781 S000001440 ORF Verified YIR001C SGN1 9 356892 356140 C Cytoplasmic RNA-binding protein, contains an RNA recognition motif (RRM); may have a role in mRNA translation, as suggested by genetic interactions with genes encoding proteins involved in translational initiation 15783 S000001441 ORF Verified YIR002C MPH1 9 360393 357412 C Member of the DEAH family of helicases, functions in an error-free DNA damage bypass pathway that involves homologous recombination, mutations confer a mutator phenotype 15785 S000001442 ORF Uncharacterized YIR003W n.a. 9 360882 362921 W Hypothetical protein 15787 S000001443 ORF Verified YIR004W DJP1 9 363218 364516 W Cytosolic J-domain-containing protein, required for peroxisomal protein import and involved in peroxisome assembly, homologous to E. coli DnaJ 15789 S000001444 ORF Verified YIR005W IST3 9 364886 365332 W Component of the U2 snRNP, required for the first catalytic step of splicing and for spliceosomal assembly; interacts with Rds3p and is required for Mer1p-activated splicing 15791 S000001445 ORF Verified YIR006C PAN1 9 369905 365463 C Part of actin cytoskeleton-regulatory complex Pan1p-Sla1p-End3p, associates with actin patches on the cell cortex; promotes protein-protein interactions essential for endocytosis; previously thought to be a subunit of poly(A) ribonuclease 15793 S000006556 tRNA n.a. tE(UUC)I n.a. 9 370414 370485 W tRNA-Glu 15795 S000001446 ORF Uncharacterized YIR007W n.a. 9 370701 372995 W Hypothetical protein 15797 S000001447 ORF Verified YIR008C PRI1 9 374303 373074 C Subunit of DNA primase, which is required for DNA synthesis and double-strand break repair 15799 S000001448 ORF Verified YIR009W MSL1 9 374522 374857 W U2B component of U2 snRNP, involved in splicing, binds the U2 snRNA stem-loop IV in vitro; does not contain the conserved C-terminal RNA binding domain found in other family members 15801 S000001449 ORF Verified YIR010W DSN1 9 375428 377158 W Essential component of the MIND kinetochore complex (Mtw1p Including Nnf1p-Nsl1p-Dsn1p) which joins kinetochore subunits contacting DNA to those contacting microtubules; important for chromosome segregation 15803 S000001450 ORF Verified YIR011C STS1 9 378243 377284 C Protein that interacts with the karyopherin Srp1p; may have a role with Srp1p in ubiquitin-mediated protein degradation 15805 S000001451 ORF Verified YIR012W SQT1 9 378483 379778 W Essential protein involved in a late step of 60S ribosomal subunit assembly or modification; contains multiple WD repeats; interacts with Qsr1p in a two-hybrid assay 15807 S000001452 ORF Verified YIR013C GAT4 9 380381 380016 C Protein containing GATA family zinc finger motifs 15809 S000001453 ORF Uncharacterized YIR014W n.a. 9 381083 381811 W Hypothetical protein 15811 S000001454 ORF Verified YIR015W RPR2 9 381945 382379 W Subunit of nuclear RNase P, which cleaves tRNA precursors to generate mature 5' ends; not shared between Rnase MRP and Rnase P, in contrast to all other Rnase P protein subunits 15813 S000001455 ORF Uncharacterized YIR016W n.a. 9 382625 383422 W Hypothetical protein 15815 S000028799 ORF Dubious YIR017W-A n.a. 9 383563 384162 W Questionable ORF from MIPS 15817 S000001456 ORF Verified YIR017C MET28 9 384116 383553 C Transcriptional activator in the Cbf1p-Met4p-Met28p complex, participates in the regulation of sulfur metabolism 15819 S000001457 ORF Verified YIR018W YAP5 9 384606 385343 W Basic leucine zipper (bZIP) transcription factor 15821 S000028837 ORF Uncharacterized YIR018C-A n.a. 9 385698 385561 C Identified by expression profiling and mass spectrometry 15823 S000001458 ORF Verified YIR019C MUC1 9 393672 389569 C GPI-anchored cell surface glycoprotein required for diploid pseudohyphal formation and haploid invasive growth, transcriptionally regulated by the MAPK pathway (via Ste12p and Tec1p) and the cAMP pathway (via Flo8p) 15825 S000001459 ORF Dubious YIR020C n.a. 9 394554 394252 C Hypothetical protein 15827 S000007241 ORF Dubious YIR020W-A n.a. 9 394914 395156 W Hypothetical protein 15829 S000001460 ORF Verified YIR021W MRS1 9 397291 398382 W Protein required for the splicing of two mitochondrial group I introns (BI3 in COB and AI5beta in COX1); forms a splicing complex, containing four subunits of Mrs1p and two subunits of the BI3-encoded maturase, that binds to the BI3 RNA 15831 S000028800 ORF Dubious YIR020C-B n.a. 9 397946 397212 C Questionable ORF from MIPS 15833 S000028838 ORF Uncharacterized YIR021W-A n.a. 9 398511 398723 W Identified by expression profiling and mass spectrometry 15835 S000001461 ORF Verified YIR022W SEC11 9 398730 399233 W 18kDa catalytic subunit of the Signal Peptidase Complex (SPC; Spc1p, Spc2p, Spc3p, and Sec11p) which cleaves the signal sequence of proteins targeted to the endoplasmic reticulum 15837 S000001462 ORF Verified YIR023W DAL81 9 399774 402686 W Positive regulator of genes in multiple nitrogen degradation pathways; contains DNA binding domain but does not appear to bind the dodecanucleotide sequence present in the promoter region of many genes involved in allantoin catabolism 15839 S000028801 ORF Dubious YIR023C-A n.a. 9 402703 402380 C Questionable ORF from MIPS 15841 S000001463 ORF Uncharacterized YIR024C n.a. 9 403488 402838 C (putative) involved in cell cycle control 15843 S000001464 ORF Verified YIR025W MND2 9 403656 404762 W Subunit of the anaphase-promoting complex (APC); needed for meiotic nuclear division 15845 S000001465 ORF Verified YIR026C YVH1 9 405964 404870 C nitrogen starvation-induced protein phosphatase 15847 S000001466 ORF Verified YIR027C DAL1 9 407639 406257 C Allantoinase, converts allantoin to allantoate in the first step of allantoin degradation; expression sensitive to nitrogen catabolite repression 15849 S000001467 ORF Verified YIR028W DAL4 9 408465 410372 W Allantoin permease; expression sensitive to nitrogen catabolite repression and induced by allophanate, an intermediate in allantoin degradation 15851 S000001468 ORF Verified YIR029W DAL2 9 410804 411835 W Allantoicase, converts allantoate to urea and ureidoglycolate in the second step of allantoin degradation; expression sensitive to nitrogen catabolite repression and induced by allophanate, an intermediate in allantoin degradation 15853 S000001469 ORF Verified YIR030C DCG1 9 412767 412033 C Protein of unknown function, expression is sensitive to nitrogen catabolite repression and regulated by Dal80p; contains transmembrane domain 15855 S000028802 ORF Dubious YIR030W-A n.a. 9 412896 413279 W Hypothetical protein 15857 S000001470 ORF Verified YIR031C DAL7 9 414676 413012 C Malate synthase, role in allantoin degradation unknown; expression sensitive to nitrogen catabolite repression and induced by allophanate, an intermediate in allantoin degradation 15859 S000001471 ORF Verified YIR032C DAL3 9 415614 415027 C Ureidoglycolate hydrolase, converts ureidoglycolate to glyoxylate and urea in the third step of allantoin degradation; expression sensitive to nitrogen catabolite repression 15861 S000001472 ORF Verified YIR033W MGA2 9 416121 419462 W ER membrane protein involved, with its homolog Spt23p, in regulation of OLE1 transcription; inactive ER form dimerizes and one subunit is then activated by ubiquitin/proteasome-dependent processing followed by nuclear targeting 15863 S000001473 ORF Verified YIR034C LYS1 9 420733 419612 C Saccharopine dehydrogenase (NAD+, L-lysine-forming), catalyzes the conversion of saccharopine to L-lysine, which is the final step in the lysine biosynthesis pathway 15865 S000001474 ORF Uncharacterized YIR035C n.a. 9 421787 421023 C Hypothetical protein 15867 S000028803 ORF Dubious YIR036W-A n.a. 9 422632 423033 W Questionable ORF from MIPS 15869 S000001475 ORF Uncharacterized YIR036C n.a. 9 422862 422071 C Hypothetical protein 15871 S000001476 ORF Verified YIR037W HYR1 9 423125 423616 W Thiol peroxidase that functions as a hydroperoxide receptor to sense intracellular hydroperoxide levels and transduce a redox signal to the Yap1p transcription factor 15873 S000001477 ORF Verified YIR038C GTT1 9 424510 423806 C ER associated glutathione S-transferase capable of homodimerization; expression induced during the diauxic shift and throughout stationary phase; functional overlap with Gtt2p, Grx1p, and Grx2p 15876 S000001478 ORF Verified YIR039C YPS6 9 432107 430494 C Putative GPI-anchored aspartic protease 15878 S000001479 ORF Dubious YIR040C n.a. 9 433717 433385 C Hypothetical protein 15880 S000001480 ORF Uncharacterized YIR041W n.a. 9 433925 434299 W Hypothetical protein 15882 S000001481 ORF Uncharacterized YIR042C n.a. 9 435980 435270 C Hypothetical protein