Protein: OPI1
Transcriptional repressor OPI1 (Negative regulator of phospholipid biosynthesis) (Overproducer of inositol protein 1)

Gene: OPI1
Organism: Saccharomyces cerevisiae S288C
Interactions: 31
UniProt ID: P21957

Gene Ontology (top 5):
GO:0000122 - negative regulation of transcription by RNA polymerase II
GO:0003677 - DNA binding
GO:0003714 - transcription corepressor activity
GO:0005634 - nucleus
GO:0005635 - nuclear envelope

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

642168

SIN3
Transcriptional regulatory protein SIN3

7

0

Small-scale

0.714

High

642177

SCS2
Vesicle-associated membrane protein-associated protein SCS2

6

0

Small-scale

0.702

High

642170

INO2
Protein INO2

3

0

Small-scale

0.643

High

577525

CYC8
General transcriptional corepressor CYC8

2

0

Small-scale

0.569

High

642166

OPI1
Transcriptional repressor OPI1

1

0

Small-scale

0.537

High

602318

PHO85
Cyclin-dependent protein kinase PHO85

1

0

Small-scale

0.504

High

585852

CSK21
Casein kinase II subunit alpha

1

2

Small-scale

0.501

High

622869

CSK22
Casein kinase II subunit alpha'

1

1

Small-scale

0.501

High

437877

KAPC
cAMP-dependent protein kinase type 3

1

0

High-throughput

0.480

High

627812

PHO80
PHO85 cyclin PHO80

1

0

Small-scale

0.480

High

642176

RCK1
Serine/threonine-protein kinase RCK1

1

0

High-throughput

0.480

High

642174

YET1
Endoplasmic reticulum transmembrane protein 1

1

1

Small-scale

0.479

High

642182

YET3
Endoplasmic reticulum transmembrane protein 3

1

1

Small-scale

0.479

High

568915

INO4
Protein INO4

1

0

Small-scale

0.460

High

642167

RFA1
Replication factor A protein 1

1

0

Small-scale

0.460

High

642173

SMC1
Structural maintenance of chromosomes protein 1

1

0

High-throughput

0.460

High

642171

TF2B
Transcription initiation factor IIB

1

0

High-throughput

0.458

High

642172

GSP1
GTP-binding nuclear protein GSP1/CNR1

1

0

High-throughput

0.458

High

642175

PHO88
SRP-independent targeting protein 3

1

0

High-throughput

0.458

High

642179

APJ1
J domain-containing protein APJ1

1

0

High-throughput

0.458

High

642183

ENV10
SRP-independent targeting protein 2

1

0

High-throughput

0.458

High

642181

UBC7
Ubiquitin-conjugating enzyme E2 7

1

0

High-throughput

0.438

High

392229

HSP82
ATP-dependent molecular chaperone HSP82

1

0

High-throughput

0.426

High

525924

HSP72
Heat shock protein SSA2

1

0

High-throughput

0.426

High

543819

SSB1
Ribosome-associated molecular chaperone SSB1

1

0

High-throughput

0.426

High

642169

SSK22
Serine/threonine-protein kinase SSK22

1

0

High-throughput

0.261

Low

642180

DAD3
DASH complex subunit DAD3

1

0

High-throughput

0.251

Low

453420

PYR1
Multifunctional protein URA2

1

0

High-throughput

0.232

Low

592012

VATB
V-type proton ATPase subunit B

1

0

High-throughput

0.232

Low

642178

MPG1
Mannose-1-phosphate guanyltransferase

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025