Protein: ARHG9
Rho guanine nucleotide exchange factor 9 (Collybistin) (PEM-2 homolog) (Rac/Cdc42 guanine nucleotide exchange factor 9)

Gene: ARHG9, ARHGEF9
Organism: Homo sapiens
Interactions: 33
UniProt ID: O43307

Gene Ontology (top 5):
GO:0005085 - guanyl-nucleotide exchange factor activity
GO:0005829 - cytosol
GO:0014069 - postsynaptic density
GO:0051056 - regulation of small GTPase mediated signal transduction
GO:0098982 - GABA-ergic synapse

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

213367

ARG28
Rho guanine nucleotide exchange factor 28

2

12

High-throughput

0.767

High

213360

ARHG6
Rho guanine nucleotide exchange factor 6

2

14

High-throughput

0.737

High

213374

PKHA5
Pleckstrin homology domain-containing family A member 5

1

9

High-throughput

0.698

High

213355

CDC42
Cell division control protein 42 homolog

1

20

High-throughput

0.647

High

213376

GEPH
Gephyrin [Includes: Molybdopterin adenylyltransferase

3

0

Small-scale

0.630

High

213349

ESR1
Estrogen receptor

2

13

High-throughput

0.571

High

213353

PSB5
Proteasome subunit beta type-5

2

2

High-throughput

0.571

High

213375

SMUF1
E3 ubiquitin-protein ligase SMURF1

1

3

Small-scale

0.561

High

213362

TRI67
Tripartite motif-containing protein 67

1

8

High-throughput

0.553

High

213351

CFTR
Cystic fibrosis transmembrane conductance regulator

1

4

High-throughput

0.541

High

213350

NPM
Nucleophosmin

1

1

High-throughput

0.515

High

213356

1433G
14-3-3 protein gamma

1

20

High-throughput

0.515

High

213354

BCL6
B-cell lymphoma 6 protein

1

1

High-throughput

0.512

High

213369

KAT5
Histone acetyltransferase KAT5

1

0

High-throughput

0.493

High

213378

FANCL
E3 ubiquitin-protein ligase FANCL

1

0

High-throughput

0.493

High

213348

CCNT1
Cyclin-T1

1

3

High-throughput

0.479

High

213352

RO52
E3 ubiquitin-protein ligase TRIM21

1

1

High-throughput

0.479

High

213380

TPX2
Targeting protein for Xklp2

1

3

High-throughput

0.479

High

213358

VEZF1
Vascular endothelial zinc finger 1

1

1

High-throughput

0.470

High

213359

SETB1
Histone-lysine N-methyltransferase SETDB1

1

3

High-throughput

0.470

High

213363

ZN410
Zinc finger protein 410

1

1

High-throughput

0.470

High

213368

LMO3
LIM domain only protein 3

1

7

High-throughput

0.470

High

213373

JUPI2
Jupiter microtubule associated homolog 2

1

0

High-throughput

0.458

High

213371

NSRP1
Nuclear speckle splicing regulatory protein 1

1

1

High-throughput

0.437

High

213357

KHDR1
KH domain-containing, RNA-binding, signal transduction-associated protein 1

1

6

Small-scale

0.408

High

213361

T10IP
Testis-specific protein 10-interacting protein

2

0

High-throughput

0.316

High

213364

F90A1
Protein FAM90A1

2

0

High-throughput

0.316

High

213377

TB22B
TBC1 domain family member 22B

2

0

High-throughput

0.316

High

213372

CPVL
Probable serine carboxypeptidase CPVL

2

0

High-throughput

0.298

High

213366

IHO1
Interactor of HORMAD1 protein 1

1

0

High-throughput

0.292

High

213379

TFP11
Tuftelin-interacting protein 11

1

0

High-throughput

0.292

High

213365

MGAP
MAX gene-associated protein

1

0

High-throughput

0.249

Low

213370

CRML
Protein cramped-like

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025