Standard name Systematic name Name description Description
USA1 YML029W Scaffold subunit of the Hrd1p ubiquitin ligase Scaffold subunit of the Hrd1p ubiquitin ligase; also promotes ligase oligomerization; involved in ER-associated protein degradation (ERAD); interacts with the U1 snRNP-specific protein, Snp1p
Visualize the interactome of USA1
Links to external databases:
SGD   |   KEGG   |  

Cell cycle phase and timing of transcription peak

Cell cycle phase Time (min)

CYCLoPs localization & abundance

WT1 WT2 WT3
Bud 0.069 NaN NaN
Cort. Patches 0.080 0.075 NaN
Cytoplasm 0.517 0.670 0.916
ER 0.368 0.212 NaN
Mito 0.138 NaN NaN
Cell Periphery NaN NaN 0.060

GFP localization & abundance

GFP localization GFP abundance
ambiguous 1890

GO term count

Metabolism Cell cycle Cell division Signal transduction DNA replication
USA1 5 0 0 0 0

List of interactors

Use the search utility to find the interactor you are looking for. By clicking the column headers the table will be sorted on that column. Use shift+click to sort on multiple columns. Default sorting is on number of experiments, number of unique methods and the number of publications, and alphabetical on standard name, in that order.
Standard name Systematic name Name description Type #Experiments #Methods #Publications Evidence
HRD1 YOL013C Ubiquitin-protein ligase involved in ER-associated degradation (ERAD) physical 9 3 5 Affinity Capture-MS, Affinity Capture-MS, Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-MS, Affinity Capture-Western, Affinity Capture-Western, Reconstituted Complex
DER1 YBR201W ER membrane protein that promotes export of misfolded polypeptides physical 8 3 7 Affinity Capture-MS, Two-hybrid, Affinity Capture-MS, Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-Western
HRD3 YLR207W ER membrane protein that plays a central role in ERAD physical 5 2 4 Affinity Capture-MS, Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-Western
HAC1 YFL031W Basic leucine zipper (bZIP) transcription factor (ATF/CREB1 homolog) genetic 4 2 4 Negative Genetic, Synthetic Growth Defect, Synthetic Growth Defect, Negative Genetic
HRD3 YLR207W ER membrane protein that plays a central role in ERAD genetic 4 3 3 Phenotypic Suppression, Phenotypic Suppression, Phenotypic Enhancement, Negative Genetic
HRD1 YOL013C Ubiquitin-protein ligase involved in ER-associated degradation (ERAD) genetic 4 2 3 Phenotypic Suppression, Phenotypic Suppression, Phenotypic Suppression, Dosage Rescue
DER1 YBR201W ER membrane protein that promotes export of misfolded polypeptides genetic 3 2 2 Phenotypic Suppression, Phenotypic Suppression, Phenotypic Enhancement
CDC48 YDL126C AAA ATPase with protein-unfoldase activity physical 2 2 2 Affinity Capture-MS, Affinity Capture-Western
DFM1 YDR411C Endoplasmic reticulum (ER) localized protein physical 2 2 2 Two-hybrid, Affinity Capture-MS
PRP4 YPR178W Splicing factor genetic 2 1 2 Negative Genetic, Negative Genetic
DEP1 YAL013W Component of the Rpd3L histone deacetylase complex genetic 2 1 2 Negative Genetic, Negative Genetic
IRA2 YOL081W GTPase-activating protein genetic 2 1 2 Negative Genetic, Negative Genetic
POR1 YNL055C Mitochondrial porin (voltage-dependent anion channel) genetic 2 1 2 Negative Genetic, Negative Genetic
HOM3 YER052C Aspartate kinase (L-aspartate 4-P-transferase) genetic 2 1 2 Negative Genetic, Negative Genetic
YOS9 YDR057W ER quality-control lectin physical 2 1 2 Affinity Capture-MS, Affinity Capture-MS
COX10 YPL172C Heme A:farnesyltransferase genetic 2 1 2 Negative Genetic, Negative Genetic
EMA19 YLR050C Integral ER membrane protein involved in protein sorting genetic 2 1 2 Negative Genetic, Negative Genetic
OPI3 YJR073C Methylene-fatty-acyl-phospholipid synthase genetic 2 1 2 Positive Genetic, Positive Genetic
MSS2 YDL107W Peripherally bound inner membrane protein of the mitochondrial matrix genetic 2 1 2 Negative Genetic, Negative Genetic
GLC7 YER133W Type 1 S/T protein phosphatase (PP1) catalytic subunit genetic 2 1 1 Synthetic Growth Defect, Synthetic Growth Defect
FKH1 YIL131C Forkhead family transcription factor genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
LEM3 YNL323W Membrane protein of the plasma membrane and ER genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
INP53 YOR109W Polyphosphatidylinositol phosphatase genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
RER1 YCL001W Protein involved in retention of membrane proteins genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
CUE1 YMR264W Ubiquitin-binding protein genetic 2 1 1 Phenotypic Suppression, Phenotypic Suppression
VPS28 YPL065W Component of the ESCRT-I complex genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
VPS27 YNR006W Endosomal protein that forms a complex with Hse1p genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
VPS74 YDR372C Golgi PI4K effector, PtdIns4P sensor, and retention receptor genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
VPS1 YKR001C Dynamin-like GTPase required for vacuolar sorting genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
VPS3 YDR495C Component of CORVET membrane tethering complex genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
YUR1 YJL139C Mannosyltransferase involved in protein N-glycosylation genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
CWH41 YGL027C Processing alpha glucosidase I genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
KRE1 YNL322C Cell wall glycoprotein involved in beta-glucan assembly genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
LCL2 YLR104W Putative protein of unknown function genetic 2 1 1 Phenotypic Suppression, Phenotypic Suppression
CNE1 YAL058W Calnexin genetic 2 1 1 Phenotypic Enhancement, Phenotypic Enhancement
FKH1 YIL131C Forkhead family transcription factor regulation 1 1 1 chromatin immunoprecipitation-chip evidence
TFC7 YOR110W RNA pol III transcription initiation factor complex (TFIIIC) subunit regulation 1 1 1 chromatin immunoprecipitation-chip evidence
CDC28 YBR160W Cyclin-dependent kinase (CDK) catalytic subunit regulation 1 1 1 quantitative mass spectrometry evidence
SPT3 YDR392W Subunit of the SAGA and SAGA-like transcriptional regulatory complexes regulation 1 1 1 chromatin immunoprecipitation-chip evidence
RPB2 YOR151C RNA polymerase II second largest subunit B150 physical 1 1 1 Affinity Capture-RNA
RIC1 YLR039C Protein involved in retrograde transport to the cis-Golgi network genetic 1 1 1 Positive Genetic
BRE1 YDL074C E3 ubiquitin ligase genetic 1 1 1 Negative Genetic
ALB1 YJL122W Shuttling pre-60S factor genetic 1 1 1 Negative Genetic
LSM1 YJL124C Lsm (Like Sm) protein physical 1 1 1 Affinity Capture-RNA
LSM1 YJL124C Lsm (Like Sm) protein genetic 1 1 1 Positive Genetic
CDC48 YDL126C AAA ATPase with protein-unfoldase activity genetic 1 1 1 Positive Genetic
SNP1 YIL061C Component of U1 snRNP required for mRNA splicing via spliceosome physical 1 1 1 Two-hybrid
CFT1 YDR301W RNA-binding subunit of the mRNA cleavage and polyadenylation factor genetic 1 1 1 Positive Genetic
CCR4 YAL021C Component of the CCR4-NOT transcriptional complex physical 1 1 1 Affinity Capture-RNA
NAM7 YMR080C ATP-dependent RNA helicase of the SFI superfamily physical 1 1 1 Affinity Capture-RNA
BUD14 YAR014C Protein involved in bud-site selection genetic 1 1 1 Negative Genetic
ISW1 YBR245C ATPase subunit of imitation-switch (ISWI) class chromatin remodelers physical 1 1 1 Affinity Capture-RNA
CLU1 YMR012W Subunit of the eukaryotic translation initiation factor 3 (eIF3) genetic 1 1 1 Negative Genetic
GEP3 YOR205C Protein required for mitochondrial ribosome small subunit biogenesis genetic 1 1 1 Positive Genetic
LPD1 YFL018C Dihydrolipoamide dehydrogenase genetic 1 1 1 Negative Genetic
IDH2 YOR136W Subunit of mitochondrial NAD(+)-dependent isocitrate dehydrogenase genetic 1 1 1 Positive Genetic
PIM1 YBL022C ATP-dependent Lon protease physical 1 1 1 Affinity Capture-MS
NRD1 YNL251C RNA-binding subunit of Nrd1 complex physical 1 1 1 Affinity Capture-RNA
RPL23A YBL087C Ribosomal 60S subunit protein L23A genetic 1 1 1 Negative Genetic
OPI1 YHL020C Transcriptional regulator of a variety of genes genetic 1 1 1 Negative Genetic
REA1 YLR106C Huge dynein-related AAA-type ATPase (midasin) physical 1 1 1 Affinity Capture-MS
TAF1 YGR274C TFIID subunit, involved in RNA pol II transcription initiation genetic 1 1 1 Synthetic Lethality
SBP1 YHL034C Protein that binds eIF4G and has a role in repression of translation physical 1 1 1 Affinity Capture-RNA
RVS161 YCR009C Amphiphysin-like lipid raft protein genetic 1 1 1 Negative Genetic
PBR1 YNL181W Putative oxidoreductase genetic 1 1 1 Negative Genetic
CAT5 YOR125C Protein required for ubiquinone (Coenzyme Q) biosynthesis genetic 1 1 1 Negative Genetic
SGS1 YMR190C RecQ family nucleolar DNA helicase genetic 1 1 1 Positive Genetic
PEX6 YNL329C AAA-peroxin physical 1 1 1 Affinity Capture-MS
LHS1 YKL073W Molecular chaperone of the endoplasmic reticulum lumen genetic 1 1 1 Negative Genetic
HAP3 YBL021C Subunit of the Hap2p/3p/4p/5p CCAAT-binding complex genetic 1 1 1 Negative Genetic
RAD26 YJR035W Protein involved in transcription-coupled nucleotide excision repair genetic 1 1 1 Negative Genetic
HOF1 YMR032W F-BAR protein that regulates actin cytoskeleton organization genetic 1 1 1 Positive Genetic
BNI4 YNL233W Targeting subunit for Glc7p protein phosphatase genetic 1 1 1 Negative Genetic
IRE1 YHR079C Serine-threonine kinase and endoribonuclease genetic 1 1 1 Negative Genetic
PCL2 YDL127W Cyclin, interacts with cyclin-dependent kinase Pho85p genetic 1 1 1 Negative Genetic
RAD4 YER162C Damaged-DNA binding subunit of Nuclear Excision Repair Factor 2 genetic 1 1 1 Negative Genetic
IME1 YJR094C Master regulator of meiosis that is active only during meiotic events genetic 1 1 1 Negative Genetic
RUB1 YDR139C Ubiquitin-like protein with similarity to mammalian NEDD8 genetic 1 1 1 Positive Genetic
CTL1 YMR180C RNA 5'-triphosphatase, localizes to both the nucleus and cytoplasm genetic 1 1 1 Positive Genetic
BOS1 YLR078C v-SNARE (vesicle specific SNAP receptor) genetic 1 1 1 Positive Genetic
RTG1 YOL067C Transcription factor (bHLH) involved in interorganelle communication genetic 1 1 1 Negative Genetic
ARP6 YLR085C Actin-related protein that binds nucleosomes genetic 1 1 1 Negative Genetic
RTG3 YBL103C bHLH/Zip transcription factor for retrograde (RTG) and TOR pathways genetic 1 1 1 Negative Genetic
AMA1 YGR225W Activator of meiotic anaphase promoting complex (APC/C) genetic 1 1 1 Negative Genetic
BFR1 YOR198C Component of mRNP complexes associated with polyribosomes physical 1 1 1 Affinity Capture-RNA
MYO3 YKL129C One of two type I myosins genetic 1 1 1 Negative Genetic
ERV41 YML067C Protein localized to COPII-coated vesicles genetic 1 1 1 Phenotypic Suppression
KAR2 YJL034W ATPase involved in protein import into the ER genetic 1 1 1 Positive Genetic
PRM8 YGL053W Pheromone-regulated protein physical 1 1 1 Two-hybrid
PET122 YER153C Mitochondrial translational activator specific for the COX3 mRNA genetic 1 1 1 Negative Genetic
TOM1 YDR457W E3 ubiquitin ligase of the hect-domain class genetic 1 1 1 Negative Genetic
MNN11 YJL183W Subunit of a Golgi mannosyltransferase complex genetic 1 1 1 Positive Genetic
PMT1 YDL095W Protein O-mannosyltransferase of the ER membrane physical 1 1 1 Affinity Capture-MS
PMT2 YAL023C Protein O-mannosyltransferase of the ER membrane physical 1 1 1 Affinity Capture-MS
RPS0A YGR214W Ribosomal 40S subunit protein S0A genetic 1 1 1 Negative Genetic
EMC6 YLL014W Member of conserved ER transmembrane complex physical 1 1 1 Two-hybrid
INP1 YMR204C Peripheral membrane protein of peroxisomes genetic 1 1 1 Negative Genetic
TRM8 YDL201W Catalytic subunit of a tRNA methyltransferase complex genetic 1 1 1 Positive Genetic
HRQ1 YDR291W 3'-5' DNA helicase of the conserved RecQ family genetic 1 1 1 Positive Genetic
MRPL17 YNL252C Mitochondrial ribosomal protein of the large subunit genetic 1 1 1 Negative Genetic
DDR48 YMR173W DNA damage-responsive protein physical 1 1 1 Affinity Capture-MS
CAB4 YGR277C Subunit of the CoA-Synthesizing Protein Complex (CoA-SPC) genetic 1 1 1 Negative Genetic
RSM24 YDR175C Mitochondrial ribosomal protein of the small subunit genetic 1 1 1 Negative Genetic
MEF2 YJL102W Mitochondrial elongation factor involved in translational elongation genetic 1 1 1 Negative Genetic
SAC1 YKL212W Phosphatidylinositol phosphate phosphatase physical 1 1 1 Two-hybrid
SMT1 YJL147C Translational repressor of the mitochondrial ATP6/8 mRNA genetic 1 1 1 Negative Genetic
YLR287C YLR287C Putative protein of unknown function physical 1 1 1 Affinity Capture-MS
YOS9 YDR057W ER quality-control lectin genetic 1 1 1 Phenotypic Enhancement
YET3 YDL072C Protein of unknown function physical 1 1 1 Two-hybrid
USA1 YML029W Scaffold subunit of the Hrd1p ubiquitin ligase physical 1 1 1 Two-hybrid
YPT6 YLR262C Rab family GTPase genetic 1 1 1 Positive Genetic
YTA12 YMR089C Mitochondrial inner membrane m-AAA protease component genetic 1 1 1 Negative Genetic
VPS52 YDR484W Component of the GARP (Golgi-associated retrograde protein) complex genetic 1 1 1 Positive Genetic
YBR285W YBR285W Putative protein of unknown function genetic 1 1 1 Negative Genetic
VRP1 YLR337C Verprolin, proline-rich actin-associated protein genetic 1 1 1 Negative Genetic
VAM3 YOR106W Syntaxin-like vacuolar t-SNARE genetic 1 1 1 Negative Genetic
VAC7 YNL054W Integral vacuolar membrane protein genetic 1 1 1 Negative Genetic
COQ6 YGR255C Flavin-dependent monooxygenase involved in ubiquinone biosynthesis genetic 1 1 1 Negative Genetic
ROT1 YMR200W Molecular chaperone involved in protein folding in ER genetic 1 1 1 Negative Genetic
RIM21 YNL294C pH sensor molecule, component of the RIM101 pathway physical 1 1 1 Affinity Capture-MS
RIM21 YNL294C pH sensor molecule, component of the RIM101 pathway genetic 1 1 1 Negative Genetic
COA3 YJL062W-A Mitochondrial protein required for cytochrome c oxidase assembly genetic 1 1 1 Negative Genetic
RPL8B YLL045C Ribosomal 60S subunit protein L8A physical 1 1 1 Two-hybrid
GPI17 YDR434W Transmembrane protein genetic 1 1 1 Positive Genetic
RPL8A YHL033C Ribosomal 60S subunit protein L8A physical 1 1 1 Two-hybrid
ORM1 YGR038W Protein that mediates sphingolipid homeostasis physical 1 1 1 Two-hybrid
SCS22 YBL091C-A Protein involved in regulation of phospholipid metabolism physical 1 1 1 Two-hybrid
MPD1 YOR288C Member of the protein disulfide isomerase (PDI) family physical 1 1 1 Two-hybrid
SKG1 YKR100C Transmembrane protein with a role in cell wall polymer composition genetic 1 1 1 Negative Genetic
UBX2 YML013W Bridging factor involved in ER-associated protein degradation (ERAD) physical 1 1 1 Affinity Capture-MS
TVP15 YDR100W Integral membrane protein physical 1 1 1 Two-hybrid
PIS1 YPR113W Phosphatidylinositol synthase physical 1 1 1 Two-hybrid
ILM1 YJR118C Protein of unknown function genetic 1 1 1 Positive Genetic
GPI13 YLL031C ER membrane localized phosphoryltransferase genetic 1 1 1 Positive Genetic
DAL2 YIR029W Allantoicase genetic 1 1 1 Negative Genetic
PHS1 YJL097W Essential 3-hydroxyacyl-CoA dehydratase of the ER membrane physical 1 1 1 Two-hybrid
LCB3 YJL134W Long-chain base-1-phosphate phosphatase physical 1 1 1 Two-hybrid
ALG9 YNL219C Mannosyltransferase, involved in N-linked glycosylation physical 1 1 1 Two-hybrid
TMA17 YDL110C Regulatory gamma subunit of fatty acid synthase (FAS) genetic 1 1 1 Negative Genetic
QCR9 YGR183C Subunit 9 of ubiquinol cytochrome-c reductase (Complex III) genetic 1 1 1 Negative Genetic
TOK1 YJL093C Outward-rectifier potassium channel of the plasma membrane genetic 1 1 1 Negative Genetic
GPI8 YDR331W Catalytic subunit of the ER membrane GPI transamidase complex genetic 1 1 1 Positive Genetic
JEN1 YKL217W Monocarboxylate/proton symporter of the plasma membrane genetic 1 1 1 Negative Genetic
GPI11 YDR302W ER membrane protein involved in a late step of GPI anchor assembly genetic 1 1 1 Positive Genetic
SDH9 YJL045W Minor succinate dehydrogenase isozyme genetic 1 1 1 Positive Genetic
UPS1 YLR193C Phosphatidic acid transfer protein genetic 1 1 1 Negative Genetic
SFG1 YOR315W Nuclear protein putative transcription factor genetic 1 1 1 Negative Genetic