Protein: PCNA
Proliferating cell nuclear antigen (PCNA) (Cyclin)

Gene: PCNA
Organism: Mus musculus
Interactions: 38
UniProt ID: P17918

Gene Ontology (top 5):
GO:0000122 - negative regulation of transcription by RNA polymerase II
GO:0000307 - cyclin-dependent protein kinase holoenzyme complex
GO:0000701 - purine-specific mismatch base pair DNA N-glycosylase activity
GO:0000785 - chromatin
GO:0001673 - male germ cell nucleus

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

609549

REV1
DNA repair protein REV1

2

14

Small-scale

0.793

High

609529

CDN1A
Cyclin-dependent kinase inhibitor 1

4

6

Small-scale

0.683

High

609553

POLH
DNA polymerase eta

1

14

Small-scale

0.621

High

609531

DPOD1
DNA polymerase delta catalytic subunit

1

9

Small-scale

0.618

High

609554

POLK
DNA polymerase kappa

1

14

Small-scale

0.618

High

609540

TIF1B
Transcription intermediary factor 1-beta

2

3

Small-scale

0.584

High

609544

PK3CB
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform

1

1

Small-scale

0.578

High

609546

DPOLB
DNA polymerase beta

1

4

Small-scale

0.552

High

609533

PP1A
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit

1

3

High-throughput

0.546

High

609538

AGAP2
Arf-GAP with GTPase, ANK repeat and PH domain-containing protein 2

1

0

High-throughput

0.513

High

609542

EPOP
Elongin BC and Polycomb repressive complex 2-associated protein

1

0

Small-scale

0.513

High

609536

KCMA1
Calcium-activated potassium channel subunit alpha-1

1

1

High-throughput

0.489

High

236513

SUV91
Histone-lysine N-methyltransferase SUV39H1

1

1

High-throughput

0.479

High

568876

DNMT1
DNA

1

5

Small-scale

0.479

High

609527

APEX1
DNA repair nuclease/redox regulator APEX1

1

4

Small-scale

0.479

High

609528

CDK4
Cyclin-dependent kinase 4

1

9

Small-scale

0.479

High

609530

GA45A
Growth arrest and DNA damage-inducible protein GADD45 alpha

1

4

Small-scale

0.479

High

609535

CDK2
Cyclin-dependent kinase 2

1

6

Small-scale

0.479

High

609537

CUL4A
Cullin-4A

1

8

Small-scale

0.479

High

609541

TFE3
Transcription factor E3

1

2

High-throughput

0.479

High

609543

FACD2
Fanconi anemia group D2 protein homolog

1

1

High-throughput

0.479

High

609548

SMCA5
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 5

1

1

Small-scale

0.479

High

609555

CAF1A
Chromatin assembly factor 1 subunit A

1

3

High-throughput

0.479

High

609557

GA45G
Growth arrest and DNA damage-inducible protein GADD45 gamma

1

4

Small-scale

0.479

High

609558

RECQ1
ATP-dependent DNA helicase Q1

1

6

Small-scale

0.479

High

609559

BAZ1B
Tyrosine-protein kinase BAZ1B

1

7

Small-scale

0.479

High

609534

PP1G
Serine/threonine-protein phosphatase PP1-gamma catalytic subunit

1

3

High-throughput

0.470

High

586078

TFE2
Transcription factor E2-alpha

1

0

High-throughput

0.458

High

609532

ATX1
Ataxin-1

1

0

High-throughput

0.458

High

609550

EED
Polycomb protein EED

1

0

High-throughput

0.458

High

98117

E9Q604
Integrin alpha M

1

1

High-throughput

0.457

High

609556

AIRE
Autoimmune regulator

1

4

Small-scale

0.445

High

609551

DESI1
Desumoylating isopeptidase 1

1

0

Small-scale

0.438

High

609539

IGF1R
Insulin-like growth factor 1 receptor

1

2

Small-scale

0.437

High

609545

MT21E
Protein-lysine methyltransferase METTL21E

1

1

High-throughput

0.437

High

609552

PIDD1
p53-induced death domain-containing protein 1

1

2

Small-scale

0.437

High

398082

CFAD
Complement factor D

1

0

High-throughput

0.249

Low

609547

FNDC5
Fibronectin type III domain-containing protein 5

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025