Protein: RAD9A
Cell cycle checkpoint control protein RAD9A (hRAD9) (EC 3.1.11.2) (DNA repair exonuclease rad9 homolog A)

Gene: RAD9A
Organism: Homo sapiens
Interactions: 55
UniProt ID: Q99638

Gene Ontology (top 5):
GO:0000076 - DNA replication checkpoint signaling
GO:0000077 - DNA damage checkpoint signaling
GO:0005634 - nucleus
GO:0005654 - nucleoplasm
GO:0005737 - cytoplasm

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

253215

RAD1
Cell cycle checkpoint protein RAD1

19

4

Small-scale

0.988

High

261733

HUS1
Checkpoint protein HUS1

18

5

Small-scale

0.988

High

298620

RAD17
Cell cycle checkpoint protein RAD17

9

6

Small-scale

0.974

High

1340881

HUS1B
Checkpoint protein HUS1B

4

5

Small-scale

0.892

High

829136

RFC5
Replication factor C subunit 5

3

3

Small-scale

0.839

High

1364222

TOPB1
DNA topoisomerase 2-binding protein 1

13

1

Small-scale

0.759

High

769771

RFC4
Replication factor C subunit 4

1

3

High-throughput

0.691

High

769896

RFC2
Replication factor C subunit 2

1

3

High-throughput

0.691

High

1406170

RHNO1
RAD9, HUS1, RAD1-interacting nuclear orphan protein 1

3

0

Small-scale

0.639

High

1406172

MUTYH
Adenine DNA glycosylase

2

2

Small-scale

0.624

High

1406171

CLSPN
Claspin

3

0

Small-scale

0.622

High

522126

BCL2
Apoptosis regulator Bcl-2

2

2

Small-scale

0.620

High

1060213

B2CL1
Bcl-2-like protein 1

2

2

Small-scale

0.620

High

696315

RFA1
Replication protein A 70 kDa DNA-binding subunit

2

0

Small-scale

0.592

High

814565

FEN1
Flap endonuclease 1

2

0

Small-scale

0.569

High

625579

CSK22
Casein kinase II subunit alpha'

1

2

Small-scale

0.561

High

633335

MSH3
DNA mismatch repair protein Msh3

1

2

Small-scale

0.561

High

846662

MSH2
DNA mismatch repair protein Msh2

1

2

Small-scale

0.561

High

913385

MSH6
DNA mismatch repair protein Msh6

1

2

Small-scale

0.561

High

997968

CSK21
Casein kinase II subunit alpha

1

1

Small-scale

0.561

High

242700

PRKN
E3 ubiquitin-protein ligase parkin

2

0

High-throughput

0.559

High

362357

ABL1
Tyrosine-protein kinase ABL1

1

0

Small-scale

0.554

High

520322

ANDR
Androgen receptor

1

1

Small-scale

0.552

High

1370321

CSN5
COP9 signalosome complex subunit 5

1

0

Small-scale

0.549

High

193374

OGG1
N-glycosylase/DNA lyase [Includes: 8-oxoguanine DNA glycosylase

1

0

Small-scale

0.537

High

697629

PYR1
Multifunctional protein CAD

1

0

Small-scale

0.537

High

1035016

KPCE
Protein kinase C epsilon type

1

0

Small-scale

0.537

High

1110908

TDG
G/T mismatch-specific thymine DNA glycosylase

1

0

Small-scale

0.537

High

1122951

WRN
Bifunctional 3'-5' exonuclease/ATP-dependent helicase WRN

1

0

Small-scale

0.537

High

1329830

SIR6
NAD-dependent protein deacylase sirtuin-6

1

0

Small-scale

0.537

High

1390585

NEIL1
Endonuclease 8-like 1

1

0

Small-scale

0.537

High

1405828

DNJC7
DnaJ homolog subfamily C member 7

1

0

Small-scale

0.537

High

1406174

TLK1
Serine/threonine-protein kinase tousled-like 1

1

0

Small-scale

0.537

High

829261

RFC3
Replication factor C subunit 3

1

3

High-throughput

0.536

High

280794

PR40A
Pre-mRNA-processing factor 40 homolog A

1

0

High-throughput

0.513

High

404370

GCR
Glucocorticoid receptor

1

1

Small-scale

0.501

High

1148016

SF3B3
Splicing factor 3B subunit 3

1

0

High-throughput

0.486

High

443490

CDK1
Cyclin-dependent kinase 1

1

0

Small-scale

0.480

High

446542

DPOLB
DNA polymerase beta

1

0

Small-scale

0.480

High

1406173

FEM1B
Protein fem-1 homolog B

1

0

Small-scale

0.480

High

799431

BRCA1
Breast cancer type 1 susceptibility protein

1

1

High-throughput

0.479

High

551218

PCNA
Proliferating cell nuclear antigen

1

0

Small-scale

0.458

High

589502

RFA2
Replication protein A 32 kDa subunit

1

0

Small-scale

0.458

High

617460

DNLI1
DNA ligase 1

1

0

Small-scale

0.458

High

685056

DNMT1
DNA

1

0

Small-scale

0.458

High

855508

ATRX
Transcriptional regulator ATRX

1

0

Small-scale

0.458

High

995218

CSK2B
Casein kinase II subunit beta

1

0

Small-scale

0.458

High

1088991

TP53B
TP53-binding protein 1

1

0

High-throughput

0.458

High

1109498

ATR
Serine/threonine-protein kinase ATR

1

0

Small-scale

0.458

High

1110025

HDAC1
Histone deacetylase 1

1

0

Small-scale

0.458

High

1199864

SETMR
Histone-lysine N-methyltransferase SETMAR

1

0

Small-scale

0.458

High

1406169

RAD9A
Cell cycle checkpoint control protein RAD9A

1

0

Small-scale

0.458

High

1401797

PEO1
Twinkle mtDNA helicase

1

1

High-throughput

0.437

High

628452

KLK2
Kallikrein-2

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025