Protein: PCDH9
Protocadherin-9

Gene: PCDH9
Organism: Homo sapiens
Interactions: 40
UniProt ID: Q9HC56

Gene Ontology (top 5):
GO:0005509 - calcium ion binding
GO:0005886 - plasma membrane
GO:0007155 - cell adhesion
GO:0007156 - homophilic cell adhesion via plasma membrane adhesion molecules
GO:0030426 - growth cone

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1438685

PCDGD
Protocadherin gamma-B1

2

20

High-throughput

0.811

High

1438683

VSIG4
V-set and immunoglobulin domain-containing protein 4

2

7

High-throughput

0.705

High

761292

RYK
Tyrosine-protein kinase RYK

2

20

Small-scale

0.611

High

375971

RASK
GTPase KRas

2

19

High-throughput

0.584

High

1340745

TPC2
Two pore channel protein 2

2

20

High-throughput

0.574

High

1186233

CEA21
Cell adhesion molecule CEACAM21

1

15

High-throughput

0.553

High

1438679

CLTR2
Cysteinyl leukotriene receptor 2

1

5

High-throughput

0.541

High

139323

UPK2
Uroplakin-2

1

18

High-throughput

0.536

High

480899

LEG1
Galectin-1

1

4

High-throughput

0.536

High

1438682

FBX2
F-box only protein 2

1

4

High-throughput

0.536

High

1438686

KCNE3
Potassium voltage-gated channel subfamily E member 3

1

1

High-throughput

0.536

High

1399060

TMM74
Transmembrane protein 74

1

0

High-throughput

0.513

High

1340812

COP1
E3 ubiquitin-protein ligase COP1

1

2

Small-scale

0.504

High

332448

TNKS1
Poly [ADP-ribose] polymerase tankyrase-1

1

1

High-throughput

0.489

High

848568

MAGA8
Melanoma-associated antigen 8

1

1

High-throughput

0.489

High

890165

EI2BB
Translation initiation factor eIF2B subunit beta

1

1

High-throughput

0.489

High

1095944

EI2BE
Translation initiation factor eIF2B subunit epsilon

1

1

High-throughput

0.489

High

1312988

S35F2
Solute carrier family 35 member F2

1

1

High-throughput

0.489

High

1382386

SPSB4
SPRY domain-containing SOCS box protein 4

1

20

High-throughput

0.489

High

1438681

EI2BD
Translation initiation factor eIF2B subunit delta

1

1

High-throughput

0.489

High

374207

RASN
GTPase NRas

1

19

High-throughput

0.479

High

374944

RASH
GTPase HRas

1

17

High-throughput

0.479

High

604219

CXA1
Gap junction alpha-1 protein

1

3

High-throughput

0.479

High

627573

DPA1
HLA class II histocompatibility antigen, DP alpha 1 chain

1

3

High-throughput

0.479

High

941844

ARL4C
ADP-ribosylation factor-like protein 4C

1

15

High-throughput

0.479

High

1326515

ARL14
ADP-ribosylation factor-like protein 14

1

7

High-throughput

0.479

High

1392012

PLPR2
Phospholipid phosphatase-related protein type 2

1

2

High-throughput

0.479

High

530395

TAU
Microtubule-associated protein tau

1

4

High-throughput

0.445

High

894179

MEOX2
Homeobox protein MOX-2

1

1

High-throughput

0.439

High

106674

APRIO
Alternative prion protein

1

2

High-throughput

0.437

High

125619

LEG9
Galectin-9

1

4

High-throughput

0.437

High

327016

NXPH2
Neurexophilin-2

1

12

High-throughput

0.437

High

946590

EVA1C
Protein eva-1 homolog C

1

2

High-throughput

0.437

High

1438684

TRRAP
Transformation/transcription domain-associated protein

1

2

High-throughput

0.437

High

127187

APBB1
Amyloid beta precursor protein binding family B member 1

1

0

High-throughput

0.426

High

1232586

Q6FHY5
MEOX2 protein

1

1

High-throughput

0.417

High

832807

BCL6
B-cell lymphoma 6 protein

1

0

Small-scale

0.279

Low

1438680

TM160
Transmembrane protein 160

1

0

High-throughput

0.279

Low

294355

CD123
Translation initiation factor eIF2 assembly protein

1

0

High-throughput

0.249

Low

1258684

IKIP
Inhibitor of nuclear factor kappa-B kinase-interacting protein

1

0

High-throughput

0.249

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025