Protein: P2R3A
Serine/threonine-protein phosphatase 2A regulatory subunit B'' subunit alpha (PP2A subunit B isoform PR72/PR130) (PP2A subunit B isoform R3 isoform) (PP2A subunit B isoforms B''-PR72/PR130) (PP2A subunit B isoforms B72/B130) (Serine/threonine-protein phosphatase 2A 72/130 kDa regulatory subunit B)

Gene: P2R3A, PPP2R3A
Organism: Homo sapiens
Interactions: 57
UniProt ID: Q06190

Gene Ontology (top 5):
GO:0000159 - protein phosphatase type 2A complex
GO:0001754 - eye photoreceptor cell differentiation
GO:0001756 - somitogenesis
GO:0005509 - calcium ion binding
GO:0006470 - protein dephosphorylation

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

717779

2AAA
Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform

6

9

Small-scale

0.949

High

994187

PP2AA
Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform

4

6

Small-scale

0.905

High

718106

2AAB
Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A beta isoform

3

9

Small-scale

0.861

High

1025616

CDK17
Cyclin-dependent kinase 17

3

0

High-throughput

0.702

High

1054211

LIMD1
LIM domain-containing protein 1

3

6

High-throughput

0.662

High

1054187

SFRP4
Secreted frizzled-related protein 4

3

0

High-throughput

0.638

High

916646

PPP5
Serine/threonine-protein phosphatase 5

1

7

Small-scale

0.618

High

66046

WTIP
Wilms tumor protein 1-interacting protein

3

6

High-throughput

0.604

High

1054196

LPP
Lipoma-preferred partner

3

4

High-throughput

0.604

High

1054208

GTSE1
G2 and S phase-expressed protein 1

3

1

High-throughput

0.604

High

1054197

NKD1
Protein naked cuticle homolog 1

2

0

Small-scale

0.585

High

1054199

AJUBA
LIM domain-containing protein ajuba

2

5

High-throughput

0.549

High

1054179

PTPA
Serine/threonine-protein phosphatase 2A activator

1

0

Small-scale

0.537

High

1054186

A16L1
Autophagy-related protein 16-1

2

1

High-throughput

0.521

High

1054188

TPTE2
Phosphatidylinositol 3,4,5-trisphosphate 3-phosphatase TPTE2

1

0

High-throughput

0.517

High

1054204

CDC6
Cell division control protein 6 homolog

1

1

Small-scale

0.512

High

1054181

TRIP6
Thyroid receptor-interacting protein 6

1

6

High-throughput

0.489

High

1054200

ZN414
Zinc finger protein 414

1

1

High-throughput

0.489

High

1054203

GA2L1
GAS2-like protein 1

1

0

High-throughput

0.481

High

1054193

NIN
Ninein

1

1

High-throughput

0.479

High

278850

PEX14
Peroxisomal membrane protein PEX14

1

0

High-throughput

0.458

High

363170

EGFR
Epidermal growth factor receptor

1

0

Small-scale

0.458

High

1033662

PO5F1
POU domain, class 5, transcription factor 1

1

0

High-throughput

0.458

High

1054210

FRM4A
FERM domain-containing protein 4A

1

2

High-throughput

0.445

High

395972

ESR1
Estrogen receptor

1

1

Small-scale

0.437

High

1014880

ARF1
ADP-ribosylation factor 1

1

1

High-throughput

0.437

High

1015006

ARF5
ADP-ribosylation factor 5

1

1

High-throughput

0.437

High

1054189

TRI67
Tripartite motif-containing protein 67

1

1

High-throughput

0.437

High

1054194

BICD2
Protein bicaudal D homolog 2

1

1

High-throughput

0.437

High

1054198

BICD1
Protein bicaudal D homolog 1

1

1

High-throughput

0.437

High

1054212

XPO7
Exportin-7

1

2

High-throughput

0.437

High

164806

UN13B
Protein unc-13 homolog B

1

0

High-throughput

0.426

High

1054178

EEA1
Early endosome antigen 1

1

1

High-throughput

0.407

High

1054182

INAVA
Innate immunity activator protein

1

2

High-throughput

0.407

High

1054191

PHLB1
Pleckstrin homology-like domain family B member 1

1

1

High-throughput

0.407

High

1054214

ZN580
Zinc finger protein 580

3

0

High-throughput

0.345

High

69770

ZN785
Zinc finger protein 785

2

0

High-throughput

0.328

High

244681

ZC3H1
Zinc finger C3H1 domain-containing protein

2

0

High-throughput

0.328

High

1054176

TROAP
Tastin

2

0

High-throughput

0.328

High

1054183

CE170
Centrosomal protein of 170 kDa

2

0

High-throughput

0.328

High

1054180

NHRF2
Na(+)/H(+) exchange regulatory cofactor NHE-RF2

1

0

High-throughput

0.279

Low

1054184

AT7L2
Ataxin-7-like protein 2

1

0

High-throughput

0.265

Low

613340

VINC
Vinculin

1

0

High-throughput

0.249

Low

704946

RBL1
Retinoblastoma-like protein 1

1

0

Small-scale

0.249

Low

1054185

ACBD5
Acyl-CoA-binding domain-containing protein 5

1

0

High-throughput

0.249

Low

1054205

PCGF1
Polycomb group RING finger protein 1

1

0

High-throughput

0.249

Low

1054206

NANOG
Homeobox protein NANOG

1

0

High-throughput

0.249

Low

1054213

HOOK1
Protein Hook homolog 1

1

0

High-throughput

0.249

Low

591420

NQO2
Ribosyldihydronicotinamide dehydrogenase [quinone]

1

0

High-throughput

0.232

Low

1054190

CCD80
Coiled-coil domain-containing protein 80

1

0

High-throughput

0.232

Low

1054192

SLX4
Structure-specific endonuclease subunit SLX4

1

0

High-throughput

0.232

Low

1054195

SNX33
Sorting nexin-33

1

0

High-throughput

0.232

Low

1054201

RSRC1
Serine/Arginine-related protein 53

1

0

High-throughput

0.232

Low

1054202

PCMD1
Protein-L-isoaspartate O-methyltransferase domain-containing protein 1

1

0

High-throughput

0.232

Low

1054207

LN28A
Protein lin-28 homolog A

1

0

High-throughput

0.232

Low

1054209

NHSL3
NHS-like protein 3

1

0

High-throughput

0.232

Low

1054177

ATR
Serine/threonine-protein kinase ATR

1

0

Small-scale

0.213

Low


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Last updated: 11Aug2025