Protein: OS9
Protein OS-9 homolog

Gene: OS9, YOS9
Organism: Saccharomyces cerevisiae S288C
Interactions: 22
UniProt ID: Q99220

Gene Ontology (top 5):
GO:0000836 - Hrd1p ubiquitin ligase complex
GO:0000839 - Hrd1p ubiquitin ligase ERAD-L complex
GO:0002235 - detection of unfolded protein
GO:0005783 - endoplasmic reticulum
GO:0005788 - endoplasmic reticulum lumen

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1052333

HRD3
ERAD-associated E3 ubiquitin-protein ligase component HRD3

7

0

Small-scale

0.916

High

1061661

HRD1
ERAD-associated E3 ubiquitin-protein ligase HRD1

7

0

Small-scale

0.713

High

366071

CBPY
Carboxypeptidase Y

6

0

Small-scale

0.692

High

1403973

OS9
Protein OS-9 homolog

1

0

Small-scale

0.674

High

680212

CDC48
Cell division control protein 48

4

0

Small-scale

0.653

High

1043829

USA1
U1 SNP1-associating protein 1

3

0

Small-scale

0.638

High

797820

DER1
Degradation in the endoplasmic reticulum protein 1

2

0

Small-scale

0.576

High

1046153

UBX2
UBX domain-containing protein 2

2

0

Small-scale

0.576

High

1085056

DFM1
DER1-like family member protein 1

1

1

Small-scale

0.536

High

597321

BIP
Endoplasmic reticulum chaperone BiP

1

0

Small-scale

0.513

High

849676

EMP47
Protein EMP47

1

0

Small-scale

0.513

High

610213

PDI
Protein disulfide-isomerase

1

1

High-throughput

0.479

High

737552

EUG1
Protein disulfide-isomerase EUG1

1

1

High-throughput

0.479

High

726129

PMT2
Dolichyl-phosphate-mannose--protein mannosyltransferase 2

1

0

Small-scale

0.458

High

865259

YJY5
Uncharacterized endoplasmic reticulum membrane protein YJR015W

1

0

High-throughput

0.458

High

916763

UFD1
Ubiquitin fusion degradation protein 1

1

0

High-throughput

0.458

High

751027

PRS7
26S proteasome regulatory subunit 7 homolog

1

1

Small-scale

0.437

High

645287

GAS1
1,3-beta-glucanosyltransferase GAS1

1

0

Small-scale

0.249

Low

708677

TF2B
Transcription initiation factor IIB

1

0

High-throughput

0.249

Low

920689

MKC7
Aspartic proteinase MKC7

1

0

Small-scale

0.249

Low

805731

YHS2
MIP18 family protein YHR122W

1

0

High-throughput

0.238

Low


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Last updated: 11Aug2025