| Name |
Aliases |
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Description |
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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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| CDC48 |
YDL126C |
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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|Cdc48p; 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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| YOS9 |
YDR057W |
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ER quality-control lectin; integral subunit of the HRD ligase; serves as a receptor for misfolded N-glycosylated proteins, participates in their targeting to ERAD; member of the OS-9 protein family|Yos9p; protein coding
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| DER1 |
YBR201W |
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Der1p|Endoplasmic reticulum membrane protein, required for ER-associated protein degradation of misfolded or unassembled proteins; N- and C- termini protrude into the cytoplasm, has similarity to Dfm1p; protein coding
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| SEC61 |
YLR378C |
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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|Sec61p; 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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| HSC82 |
HSP90YMR186W |
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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 than HSP82 and induced 2-3 fold by heat shock|Hsc82p; protein coding
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| STI1 |
YOR027W |
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Hsp90 cochaperone, interacts with the Ssa group of the cytosolic Hsp70 chaperones; activates the ATPase activity of Ssa1p; homolog of mammalian Hop protein|Sti1p; protein coding
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| EFT1 |
YOR133W |
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Eft1p|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; protein coding
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| IDP3 |
YNL009W |
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Idp3p|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; protein coding
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| POB3 |
YML069W |
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Pob3p|Subunit of the heterodimeric FACT complex (Spt16p-Pob3p), which facilitates RNA Pol II transcription elongation through nucleosomes by destabilizing and then reassembling nucleosome structure; interacts with DNA polymerase alpha (Pol1p); protein coding
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| FRS1 |
YLR060W |
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Beta subunit of cytoplasmic phenylalanyl-tRNA synthetase, forms a tetramer with Frs2p to generate active enzyme; sequence is evolutionarily distant from mitochondrial phenylalanyl-tRNA synthetase (Msf1p), but substrate binding is similar|Frs1p; protein coding
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| ACS2 |
YLR153C |
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Acetyl-coA synthetase isoform which, along with Acs1p, is the nuclear source of acetyl-coA for histone acetylation; mutants affect global transcription; required for growth on glucose; expressed under anaerobic conditions|Acs2p; protein coding
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| YEF3 |
TEF3YLR249W |
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Translational elongation factor 3, 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|Yef3p; protein coding
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| ALA1 |
CDC64YOR335C |
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Ala1p|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; protein coding
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| CDC60 |
YPL160W |
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Cdc60p|Cytosolic leucyl tRNA synthetase, ligates leucine to the appropriate tRNA; protein coding
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| USA1 |
YML029W |
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Protein involved in ER-associated protein degradation (ERAD); component of the Hrd1p complex; interacts with the U1 snRNP-specific protein, Snp1p|Usa1p; protein coding
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| APOB |
FLDBEG338 |
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apoB-100|apoB-48|apolipoprotein B|apolipoprotein B48; apolipoprotein B (including Ag(x) antigen)
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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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| PRC1 |
LBC1YMR297W |
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Prc1p|Vacuolar carboxypeptidase Y (proteinase C), broad-specificity C-terminal exopeptidase involved in non-specific protein degradation in the vacuole; member of the serine carboxypeptidase family; protein coding
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| HSP104 |
YLL026W |
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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|Hsp104p; protein coding
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| UFD1 |
YGR048W |
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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|Ufd1p; 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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| SPE3 |
YPR069C |
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Spe3p|Spermidine synthase, involved in biosynthesis of spermidine and also in biosynthesis of pantothenic acid; spermidine is required for growth of wild-type cells; 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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| GDH1 |
URE1YOR375C |
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Gdh1p|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; protein coding
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| VAM6 |
CVT4VPL18VPL22YDL077C |
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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|Vam6p; protein coding
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| ARO1 |
YDR127W |
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Aro1p|Pentafunctional arom protein, catalyzes steps 2 through 6 in the biosynthesis of chorismate, which is a precursor to aromatic amino acids; protein coding
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| SAC6 |
ABP67YDR129C |
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Fimbrin, actin-bundling protein; cooperates with Scp1p (calponin/transgelin) in the organization and maintenance of the actin cytoskeleton|Sac6p; protein coding
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| EFT2 |
YDR385W |
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Eft2p|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; protein coding
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| THR4 |
YCR053W |
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Thr4p|Threonine synthase, conserved protein that catalyzes formation of threonine from 0-phosphohomoserine; expression is regulated by the GCN4-mediated general amino acid control pathway; protein coding
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| HIS4 |
YCL030C |
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His4p|Multifunctional enzyme containing phosphoribosyl-ATP pyrophosphatase, phosphoribosyl-AMP cyclohydrolase, and histidinol dehydrogenase activities; catalyzes the second, third, ninth and tenth steps in histidine biosynthesis; protein coding
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| TIF1 |
YKR059W |
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Tif1p|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; 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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| 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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| CYS3 |
CYI1FUN35STR1YAL012W |
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Cys3p|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; protein coding
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| MET6 |
YER091C |
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Cobalamin-independent methionine synthase, involved in amino acid biosynthesis; requires a minimum of two glutamates on the methyltetrahydrofolate substrate, similar to bacterial metE homologs|Met6p; protein coding
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| HMG2 |
YLR450W |
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Hmg2p|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; protein coding
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| SCP160 |
YJL080C |
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Essential RNA-binding G protein effector of mating response pathway, mainly associated with nuclear envelope and ER, interacts in mRNA-dependent manner with translating ribosomes via multiple KH domains, similar to vertebrate vigilins|Scp160p; protein coding
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| TIF2 |
YJL138C |
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Tif2p|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; protein coding
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| TDH2 |
GLD2YJR009C |
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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|Tdh2p; protein coding
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| BMH1 |
APR6YER177W |
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14-3-3 protein, major isoform; controls proteome at post-transcriptional level, binds proteins and DNA, involved in regulation of many processes including exocytosis, vesicle transport, Ras/MAPK signaling, and rapamycin-sensitive signaling|Bmh1p; protein coding
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