| Name |
Aliases |
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Description |
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| KAR2 |
GRP78YJL034W |
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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|Kar2p; protein coding
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| JEM1 |
KAR8YJL073W |
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DnaJ-like chaperone required for nuclear membrane fusion during mating, localizes to the ER membrane; exhibits genetic interactions with KAR2|Jem1p; 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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| 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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| 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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| RMD7 |
HUR2GET2YER083C |
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Get2p|Subunit of the GET complex; required for meiotic nuclear division and for the retrieval of HDEL proteins from the Golgi to the ER in an ERD2 dependent fashion; may be involved in cell wall function; protein coding
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| MDM39 |
GET1YGL020C |
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Get1p|Subunit of the GET complex; required for the retrieval of HDEL proteins from the Golgi to the ER in an ERD2 dependent fashion and for normal mitochondrial morphology and inheritance; protein coding
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| CWH41 |
GLS1DER7YGL027C |
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Cwh41p|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; protein coding
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| ROT1 |
YMR200W |
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Essential ER membrane protein; may be involved in protein folding; mutation causes defects in cell wall synthesis and in lysis of autophagic bodies, suppresses tor2 mutations, and is synthetically lethal with kar2-1 and with rot2 mutations|Rot1p; protein coding
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| SCD6 |
LSM13YPR129W |
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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|Scd6p; protein coding
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| NSL1 |
YPL233W |
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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|Nsl1p; protein coding
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| TOS1 |
YBR162C |
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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|Tos1p; protein coding
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| YBL060W |
YEL1 |
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Guanine nucleotide exchange factor specific for Arf3p; localized to the bud neck and tip; required for localization of Arf3p to the bud neck and tip|Yel1p; protein coding
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| ERP2 |
YAL007C |
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Erp2p|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; protein coding
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| SEC5 |
YDR166C |
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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|Sec5p; 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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| ECM10 |
SSC3YEL030W |
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Ecm10p|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; 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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| SSO2 |
YMR183C |
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Plasma membrane t-SNARE involved in fusion of secretory vesicles at the plasma membrane; syntaxin homolog that is functionally redundant with Sso1p|Sso2p; protein coding
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| SWA2 |
AUX1BUD24YDR320C |
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Auxilin-like protein involved in vesicular transport; clathrin-binding protein required for uncoating of clathrin-coated vesicles|Swa2p; protein coding
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| ROT2 |
GLS2YBR229C |
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Glucosidase II catalytic subunit required for normal cell wall synthesis; mutations in rot2 suppress tor2 mutations, and are synthetically lethal with rot1 mutations|Rot2p; 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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| 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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| SEC27 |
YGL137W |
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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|Sec27p; protein coding
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| SCS7 |
FAH1YMR272C |
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Scs7p|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; protein coding
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| SSP120 |
YLR250W |
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Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern|Ssp120p; 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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| PMR1 |
BSD1LDB1SSC1YGL167C |
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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|Pmr1p; protein coding
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| LTE1 |
MSI2YAL024C |
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Lte1p|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; protein coding
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| ERJ5 |
YFR041C |
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Erj5p|Type I membrane protein with a J domain is required to preserve the folding capacity of the endoplasmic reticulum; loss of the non-essential ERJ5 gene leads to a constitutively induced unfolded protein response; 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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| 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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| VRG4 |
GOG5LDB3VAN2YGL225W |
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Golgi GDP-mannose transporter; regulates Golgi function and glycosylation in Golgi|Vrg4p; protein coding
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| GIM4 |
PFD2YEL003W |
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Gim4p|Subunit of the heterohexameric cochaperone prefoldin complex which binds specifically to cytosolic chaperonin and transfers target proteins to it; 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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| CNE1 |
FUN48YAL058W |
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Calnexin; integral membrane ER chaperone involved in folding and quality control of glycoproteins; chaperone activity is inhibited by Mpd1p, with which Cne1p interacts; 24% identical to mammalian calnexin; Ca+ binding not yet shown in yeast|Cne1p; protein coding
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| BIG1 |
YHR101C |
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Big1p|Integral membrane protein of the endoplasmic reticulum, required for normal content of cell wall beta-1,6-glucan; protein coding
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| BFR1 |
YOR198C |
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Bfr1p|Component of mRNP complexes associated with polyribosomes; implicated in secretion and nuclear segregation; multicopy suppressor of BFA (Brefeldin A) sensitivity; protein coding
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| ALG5 |
YPL227C |
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Alg5p|UDP-glucose:dolichyl-phosphate glucosyltransferase, involved in asparagine-linked glycosylation in the endoplasmic reticulum; protein coding
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| ARL1 |
DLP2YBR164C |
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Arl1p|Soluble GTPase with a role in regulation of membrane traffic; regulates potassium influx; G protein of the Ras superfamily, similar to ADP-ribosylation factor; protein coding
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| GAS1 |
CWH52GGP1YMR307W |
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Beta-1,3-glucanosyltransferase, required for cell wall assembly; localizes to the cell surface via a glycosylphosphatidylinositol (GPI) anchor|Gas1p; protein coding
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| GPI8 |
YDR331W |
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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|Gpi8p; protein coding
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