| Name |
Aliases |
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Description |
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| QRI8 |
UBC7YMR022W |
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Ubc7p|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; protein coding
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| ERG25 |
YGR060W |
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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|Erg25p; protein coding
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| SSH1 |
YBR283C |
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Ssh1p|Subunit of the Ssh1 translocon complex; Sec61p homolog involved in co-translational pathway of protein translocation; not essential; protein coding
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| MPS2 |
MMC1YGL075C |
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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|Mps2p; protein coding
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| NPL4 |
HRD4YBR170C |
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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|Npl4p; protein coding
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| NDC1 |
YML031W |
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Ndc1p|Nuclear envelope protein with multiple putative transmembrane domains, required for nuclear pore complex assembly and spindle pole body duplication; required for meiosis II; protein coding
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| RPT1 |
CIM5YTA3YKL145W |
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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|Rpt1p; protein coding
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| SSM4 |
DOA10KIS3YIL030C |
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Ssm4p|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; protein coding
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| POM34 |
YLR018C |
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Integral membrane protein of the nuclear pore; has an important role in maintaining the architecture of the pore complex|Pom34p; protein coding
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| GPI2 |
GCR4YPL076W |
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Gpi2p|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; protein coding
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| YHL042W |
YHL042W |
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Putative protein of unknown function; member of the DUP380 subfamily of conserved, often subtelomerically-encoded proteins|Yhl042wp; protein coding
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| TOM6 |
ISP6MOM8BYOR045W |
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Component of the TOM (translocase of outer membrane) complex responsible for recognition and initial import steps for all mitochondrially directed proteins; promotes assembly and stability of the TOM complex|Tom6p; protein coding
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| TPO1 |
YLL028W |
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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|Tpo1p; protein coding
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| VMA10 |
YHR039C-BYHR039C-A |
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Vacuolar H+ ATPase subunit G of the catalytic (V1) sector, involved in vacuolar acidification|Vma10p; protein coding
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| CAN1 |
YEL063C |
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Can1p|Plasma membrane arginine permease, requires phosphatidyl ethanolamine (PE) for localization, exclusively associated with lipid rafts; mutation confers canavanine resistance; protein coding
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| VPS73 |
YGL104C |
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Mitochondrial protein; mutation affects vacuolar protein sorting; putative transporter; member of the sugar porter family|Vps73p; protein coding
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| COS8 |
YHL048W |
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Cos8p|Nuclear membrane protein, member of the DUP380 subfamily of conserved, often subtelomerically-encoded proteins; regulation suggests a potential role in the unfolded protein response; protein coding
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| UIP3 |
YAR027W |
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Putative integral membrane protein of unknown function; interacts with Ulp1p at the nuclear periphery; member of DUP240 gene family|Uip3p; protein coding
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| WBP1 |
YEL002C |
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Beta subunit of the oligosaccharyl transferase (OST) glycoprotein complex; required for N-linked glycosylation of proteins in the endoplasmic reticulum|Wbp1p; protein coding
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| MAL31 |
YBR298C |
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Mal31p|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; protein coding
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| SPC1 |
YJR010C-A |
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Spc1p|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; protein coding
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| SEC28 |
ANU2YIL076W |
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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|Sec28p; protein coding
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| OPI3 |
PEM2YJR073C |
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Opi3p|Phospholipid methyltransferase (methylene-fatty-acyl-phospholipid synthase), catalyzes the last two steps in phosphatidylcholine biosynthesis; protein coding
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| HMG1 |
YML075C |
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Hmg1p|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; protein coding
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| RGP1 |
YDR137W |
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Rgp1p|Subunit of a Golgi membrane exchange factor (Ric1p-Rgp1p) that catalyzes nucleotide exchange on Ypt6p; protein coding
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| RIC1 |
YLR039C |
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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|Ric1p; protein coding
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| SWC4 |
EAF2GOD1YGR002C |
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Component of the Swr1p complex that incorporates Htz1p into chromatin; component of the NuA4 histone acetyltransferase complex|Swc4p; protein coding
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| LHS1 |
CER1SSI1YKL073W |
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Lhs1p|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; protein coding
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| ESA1 |
TAS1YOR244W |
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Esa1p|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; protein coding
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| ARP4 |
ACT3YJL081C |
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Arp4p|Nuclear actin-related protein involved in chromatin remodeling, component of chromatin-remodeling enzyme complexes; protein coding
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| HSP82 |
HSP90YPL240C |
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Hsp82p|Hsp90 chaperone required for pheromone signaling and negative regulation of Hsf1p; docks with Tom70p for mitochondrial preprotein delivery; promotes telomerase DNA binding and nucleotide addition; interacts with Cns1p, Cpr6p, Cpr7p, Sti1p; protein coding
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| PMT2 |
FUN25YAL023C |
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Pmt2p|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; protein coding
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| CHO2 |
PEM1YGR157W |
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Cho2p|Phosphatidylethanolamine methyltransferase (PEMT), catalyzes the first step in the conversion of phosphatidylethanolamine to phosphatidylcholine during the methylation pathway of phosphatidylcholine biosynthesis; protein coding
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| MATALPHA2 |
ALPHA2YCR039C |
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Homeobox-domain protein that, with Mcm1p, represses a-specific genes in haploids; acts with A1p to repress transcription of haploid-specific genes in diploids; one of two genes encoded by the MATalpha mating type cassette|Matalpha2p; protein coding
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| HRD3 |
YLR207W |
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Hrd3p|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; protein coding
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| ERG11 |
CYP51YHR007C |
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Erg11p|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; protein coding
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| HAC1 |
ERN4IRE15YFL031W |
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Hac1p|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; protein coding
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| STE24 |
AFC1PIO2YJR117W |
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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|Ste24p; protein coding
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| MGA2 |
YIR033W |
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ER membrane protein involved in regulation of OLE1 transcription, acts with homolog Spt23p; inactive ER form dimerizes and one subunit is then activated by ubiquitin/proteasome-dependent processing followed by nuclear targeting|Mga2p; protein coding
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| YNL181W |
YNL181W |
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Putative oxidoreductase; required for cell viability|Ynl181wp; protein coding
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| IRE1 |
ERN1YHR079C |
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Ire1p|Serine-threonine kinase and endoribonuclease; transmembrane protein that mediates the unfolded protein response (UPR) by regulating Hac1p synthesis through HAC1 mRNA splicing; Kar2p binds inactive Ire1p and releases from it upon ER stress; protein coding
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| SEC63 |
PTL1YOR254C |
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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|Sec63p; protein coding
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