Protein: PP4R3
Serine/threonine-protein phosphatase 4 regulatory subunit 3 (PP4R3)

Gene: PP4R3, PSY2
Organism: Saccharomyces cerevisiae S288C
Interactions: 53
UniProt ID: P40164

Gene Ontology (top 5):
GO:0005634 - nucleus
GO:0005654 - nucleoplasm
GO:0006974 - DNA damage response
GO:0019888 - protein phosphatase regulator activity
GO:0030289 - protein phosphatase 4 complex

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

734860

PP4C
Serine/threonine-protein phosphatase 4 catalytic subunit

10

5

Small-scale

0.760

High

694559

SPT5
Transcription elongation factor SPT5

7

2

Small-scale

0.753

High

795678

PP4R2
Serine/threonine-protein phosphatase 4 regulatory subunit 2

10

0

Small-scale

0.727

High

820459

PTPA1
Serine/threonine-protein phosphatase 2A activator 1

4

1

High-throughput

0.683

High

419755

H2A2
Histone H2A.2

3

1

Small-scale

0.643

High

820464

STD1
Protein STD1

3

1

Small-scale

0.642

High

664302

SSD1
Protein SSD1

3

0

Small-scale

0.634

High

646422

RAD53
Serine/threonine-protein kinase RAD53

3

0

Small-scale

0.630

High

748294

SPT4
Transcription elongation factor SPT4

2

0

Small-scale

0.623

High

419437

H2A1
Histone H2A.1

2

1

Small-scale

0.621

High

381527

H2B2
Histone H2B.2

2

1

Small-scale

0.601

High

763713

MTH1
Protein MTH1

2

1

Small-scale

0.561

High

526828

HSP72
Heat shock protein SSA2

2

1

High-throughput

0.552

High

545068

SSB1
Ribosome-associated molecular chaperone SSB1

2

1

High-throughput

0.552

High

801840

KSP1
Serine/threonine-protein kinase KSP1

1

0

High-throughput

0.513

High

820469

TIP41
Type 2A phosphatase activator TIP41

1

0

Small-scale

0.513

High

602486

PHO85
Cyclin-dependent protein kinase PHO85

1

1

High-throughput

0.508

High

452776

IPMK
Inositol polyphosphate multikinase

1

0

High-throughput

0.493

High

820460

GLDS1
Protein GDS1

1

0

High-throughput

0.486

High

642397

MCK1
Protein kinase MCK1

1

0

High-throughput

0.480

High

381120

H2B1
Histone H2B.1

1

1

Small-scale

0.479

High

479266

CDC6
Cell division control protein 6

1

0

Small-scale

0.460

High

805821

WSS1
DNA-dependent metalloprotease WSS1

1

0

Small-scale

0.460

High

627772

HOP1
Meiosis-specific protein HOP1

1

0

Small-scale

0.458

High

707241

TF2B
Transcription initiation factor IIB

1

0

High-throughput

0.458

High

747887

SMY2
Protein SMY2

1

0

High-throughput

0.458

High

776299

RPC8
DNA-directed RNA polymerase III subunit RPC8

1

0

High-throughput

0.458

High

791907

AAP1
Alanine/arginine aminopeptidase

1

0

High-throughput

0.458

High

820468

YL11B
Transposon Ty1-LR1 Gag-Pol polyprotein

1

0

High-throughput

0.458

High

524109

HSP71
Heat shock protein SSA1

1

1

High-throughput

0.445

High

676041

MAS5
Mitochondrial protein import protein MAS5

1

1

High-throughput

0.445

High

727070

HS104
Heat shock protein 104

1

1

High-throughput

0.445

High

741675

HSP7F
Heat shock protein homolog SSE1

1

2

High-throughput

0.445

High

818887

SSB2
Ribosome-associated molecular chaperone SSB2

1

1

High-throughput

0.445

High

820463

APJ1
J domain-containing protein APJ1

1

1

High-throughput

0.445

High

653865

HSP12
12 kDa heat shock protein

1

0

High-throughput

0.426

High

804198

SSZ1
Ribosome-associated complex subunit SSZ1

1

0

High-throughput

0.426

High

579487

HSC82
ATP-dependent molecular chaperone HSC82

1

1

High-throughput

0.407

High

752319

HSP78
Heat shock protein 78, mitochondrial

1

1

High-throughput

0.407

High

779542

LHS1
Heat shock protein 70 homolog LHS1

1

2

High-throughput

0.407

High

820467

SWA2
Auxilin-like clathrin uncoating factor SWA2

1

1

High-throughput

0.407

High

815813

BEM2
GTPase-activating protein BEM2/IPL2

2

0

High-throughput

0.324

High

820466

RGA2
Rho-type GTPase-activating protein 2

2

0

High-throughput

0.324

High

597474

EF3A
Elongation factor 3A

1

0

High-throughput

0.269

Low

820461

AAD6
Putative aryl-alcohol dehydrogenase AAD6

1

0

High-throughput

0.265

Low

820465

RGC1
Regulator of the glycerol channel 1

1

0

High-throughput

0.265

Low

649626

KCC2
Calcium/calmodulin-dependent protein kinase II

1

0

High-throughput

0.261

Low

574892

SAM35
Sorting assembly machinery 35 kDa subunit

1

0

High-throughput

0.238

Low

394610

EF1A
Elongation factor 1-alpha

1

0

High-throughput

0.232

Low

453628

PYR1
Multifunctional protein URA2

1

0

High-throughput

0.232

Low

626760

HSP60
Heat shock protein 60, mitochondrial

1

0

High-throughput

0.232

Low

820458

JEM1
DnaJ-like chaperone JEM1

1

0

High-throughput

0.232

Low

820462

TCPQ
T-complex protein 1 subunit theta

1

0

High-throughput

0.232

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025