Protein: OCA1
Putative tyrosine-protein phosphatase OCA1 (EC 3.1.3.48) (Oxidant-induced cell-cycle arrest protein 1)

Gene: OCA1
Organism: Saccharomyces cerevisiae S288C
Interactions: 23
UniProt ID: P50946

Gene Ontology (top 5):
GO:0004725 - protein tyrosine phosphatase activity
GO:0005737 - cytoplasm
GO:0016791 - phosphatase activity
GO:0034599 - cellular response to oxidative stress

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

898936

SIW14
Inositol diphosphatase SIW14

7

6

High-throughput

0.970

High

898935

OCA2
Tyrosine-protein phosphatase-like protein OCA2

7

6

High-throughput

0.969

High

673068

OCA4
Protein OCA4

3

10

High-throughput

0.864

High

898939

OCA6
Putative tyrosine-protein phosphatase OCA6

1

6

High-throughput

0.618

High

803186

OCA5
Oxidant-induced cell-cycle arrest protein 5

2

3

High-throughput

0.611

High

722095

XPO1
Exportin-1

1

3

High-throughput

0.536

High

898934

ESF2
Pre-rRNA-processing protein ESF2

1

0

High-throughput

0.493

High

579734

HSC82
ATP-dependent molecular chaperone HSC82

1

2

High-throughput

0.479

High

745810

GSP1
GTP-binding nuclear protein GSP1/CNR1

1

1

High-throughput

0.479

High

741003

PUB1
Nuclear and cytoplasmic polyadenylated RNA-binding protein PUB1

1

0

High-throughput

0.458

High

510652

HSP77
Import motor subunit, mitochondrial

1

1

High-throughput

0.445

High

524544

HSP71
Heat shock protein SSA1

1

3

High-throughput

0.445

High

527160

HSP72
Heat shock protein SSA2

1

3

High-throughput

0.445

High

545544

SSB1
Ribosome-associated molecular chaperone SSB1

1

4

High-throughput

0.445

High

676162

MAS5
Mitochondrial protein import protein MAS5

1

2

High-throughput

0.445

High

742898

HSP79
Heat shock protein homolog SSE2

1

5

High-throughput

0.445

High

816304

HSP7E
Heat shock protein SSC3, mitochondrial

1

1

High-throughput

0.445

High

707630

TF2B
Transcription initiation factor IIB

1

2

High-throughput

0.437

High

590676

HSP26
Heat shock protein 26

1

0

High-throughput

0.426

High

811352

CAJ1
Protein CAJ1

1

2

High-throughput

0.407

High

898938

RRS1
Regulator of ribosome biosynthesis

1

0

High-throughput

0.269

Low

898937

PKH3
Serine/threonine-protein kinase PKH3

1

0

High-throughput

0.261

Low

577177

SEC63
Protein translocation protein SEC63

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025