| Name |
Aliases |
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Description |
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| DIE2 |
ALG10YGR227W |
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Die2p|Dolichyl-phosphoglucose-dependent alpha-1,2 glucosyltransferase of the ER, functions in the pathway that synthesizes the dolichol-linked oligosaccharide precursor for N-linked protein glycosylation, has a role in regulation of ITR1 and INO1; 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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| ITC1 |
YGL133W |
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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|Itc1p; protein coding
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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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| HOS2 |
RTL1YGL194C |
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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|Hos2p; protein coding
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| SPF1 |
COD1PER9PIO1YEL031W |
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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|Spf1p; protein coding
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| GCN5 |
ADA4SWI9YGR252W |
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Gcn5p|Histone acetyltransferase, acetylates N-terminal lysines on histones H2B and H3; catalytic subunit of the ADA and SAGA histone acetyltransferase complexes; founding member of the Gcn5p-related N-acetyltransferase superfamily; protein coding
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| RPD3 |
MOF6REC3SDI2YNL330C |
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Histone deacetylase; regulates transcription and silencing|Rpd3p; protein coding
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| YCK1 |
CKI2YHR135C |
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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|Yck1p; protein coding
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| SIN3 |
CPE1GAM2RPD1YOL004W |
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Component of the Sin3p-Rpd3p histone deacetylase complex, involved in transcriptional repression and activation of diverse processes, including mating-type switching and meiosis; involved in the maintenance of chromosomal integrity|Sin3p; 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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| KSP1 |
YHR082C |
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Ksp1p|Nonessential putative serine/threonine protein kinase of unknown cellular role; overproduction causes allele-specific suppression of the prp20-10 mutation; protein coding
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| CDC4 |
YFL009W |
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Cdc4p|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; protein coding
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| HRD1 |
DER3YOL013C |
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Hrd1p|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; protein coding
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| SEC66 |
HSS1SEC71YBR171W |
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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|Sec66p; protein coding
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| SIL1 |
SLS1YOL031C |
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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|Sil1p; 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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| SEL1 |
UBX2YML013W |
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Protein involved in ER-associated protein degradation; proposed to coordinate the assembly of proteins involved in ERAD; contains a UBX (ubiquitin regulatory X) domain and a ubiquitin-associated (UBA) domain|Ubx2p; 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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| ICE2 |
YIL090W |
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Ice2p|Integral ER membrane protein with type-III transmembrane domains; mutations cause defects in cortical ER morphology in both the mother and daughter cells; protein coding
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| PHO88 |
YBR106W |
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Pho88p|Probable membrane protein, involved in phosphate transport; pho88 pho86 double null mutant exhibits enhanced synthesis of repressible acid phosphatase at high inorganic phosphate concentrations; protein coding
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| OST3 |
YOR085W |
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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|Ost3p; 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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| LAS21 |
GPI7YJL062W |
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Integral plasma membrane protein involved in the synthesis of the glycosylphosphatidylinositol (GPI) core structure; mutations affect cell wall integrity|Las21p; protein coding
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| SPC2 |
SPY1YML055W |
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Spc2p|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; protein coding
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| SCJ1 |
YMR214W |
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One of several homologs of bacterial chaperone DnaJ, located in the ER lumen where it cooperates with Kar2p to mediate maturation of proteins|Scj1p; 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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| SEY1 |
YOR165W |
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Protein of unknown function, contains two predicted GTP-binding motifs GXXXXGKS and DXXG near the N-terminus, homolog of the Arabidopsis gene RHD3 (Root Hair Defective)|Sey1p; protein coding
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| YDR357C |
YDR357C |
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Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern|Ydr357cp; protein coding
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| PCT1 |
BSR2CCT1YGR202C |
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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|Pct1p; protein coding
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| YCR061W |
YCR062W |
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Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern|Ycr061wp; protein coding
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| MON2 |
YSL2YNL297C |
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Mon2p|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; 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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| SEC24 |
ANU1YIL109C |
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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|Sec24p; protein coding
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| YNL300W |
YNL300W |
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Glycosylphosphatidylinositol-dependent cell wall protein, expression is periodic and decreases in respone to ergosterol perturbation or upon entry into stationary phase; depletion increases resistance to lactic acid|Ynl300wp; protein coding
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| TLG2 |
YOL018C |
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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|Tlg2p; protein coding
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| SCS3 |
YGL126W |
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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|Scs3p; protein coding
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| SEC22 |
SLY2TSL26YLR268W |
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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|Sec22p; protein coding
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| TVP15 |
YDR100W |
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Integral membrane protein localized to late Golgi vesicles along with the v-SNARE Tlg2p|Tvp15p; protein coding
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| MSC7 |
YHR039C |
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Msc7p|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; protein coding
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| RHK1 |
ALG3YBL082C |
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Alg3p|Dolichol-P-Man dependent alpha(1-3) mannosyltransferase, involved in the synthesis of dolichol-linked oligosaccharide donor for N-linked glycosylation of proteins; protein coding
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| KRE27 |
YIL027C |
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Kre27p|Protein of unknown function; null mutant shows K1 killer toxin resistance; protein coding
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| RER1 |
YCL001W |
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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|Rer1p; protein coding
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