Protein: RAB3A
Ras-related protein Rab-3A (EC 3.6.5.2)

Gene: RAB3A
Organism: Homo sapiens
Interactions: 81
UniProt ID: P20336

Gene Ontology (top 5):
GO:0001669 - acrosomal vesicle
GO:0001778 - plasma membrane repair
GO:0003016 - respiratory system process
GO:0003924 - GTPase activity
GO:0005525 - GTP binding

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

630433

SYTL4
Synaptotagmin-like protein 4

6

20

Small-scale

0.943

High

630405

MSS4
Guanine nucleotide exchange factor MSS4

5

13

Small-scale

0.934

High

630397

RAE1
Rab proteins geranylgeranyltransferase component A 1

5

20

Small-scale

0.925

High

630398

RAE2
Rab proteins geranylgeranyltransferase component A 2

4

20

Small-scale

0.899

High

630437

RAB3I
Rab-3A-interacting protein

3

7

High-throughput

0.871

High

630400

GDIA
Rab GDP dissociation inhibitor alpha

3

20

High-throughput

0.871

High

630409

GDIB
Rab GDP dissociation inhibitor beta

3

20

High-throughput

0.871

High

630396

RAB3B
Ras-related protein Rab-3B

3

18

High-throughput

0.861

High

630439

RB33B
Ras-related protein Rab-33B

3

20

High-throughput

0.861

High

630450

RP3A
Rabphilin-3A

3

20

Small-scale

0.821

High

630445

ARMC1
Armadillo repeat-containing protein 1

3

0

High-throughput

0.816

High

362753

EGFR
Epidermal growth factor receptor

2

11

Small-scale

0.785

High

630430

R3GEF
Guanine nucleotide exchange factor for Rab-3A

2

7

High-throughput

0.783

High

630427

RIMS1
Regulating synaptic membrane exocytosis protein 1

2

20

Small-scale

0.755

High

630431

SYTL5
Synaptotagmin-like protein 5

1

20

Small-scale

0.724

High

630449

MAST1
Microtubule-associated serine/threonine-protein kinase 1

1

6

High-throughput

0.698

High

343168

RAB3D
Ras-related protein Rab-3D

1

19

High-throughput

0.691

High

630399

EPHA8
Ephrin type-A receptor 8

1

5

High-throughput

0.691

High

630434

RAB3C
Ras-related protein Rab-3C

1

19

High-throughput

0.691

High

630425

REP15
Rab15 effector protein

1

3

Small-scale

0.680

High

217818

TGON2
Trans-Golgi network integral membrane protein 2

3

3

High-throughput

0.667

High

630421

DGUOK
Deoxyguanosine kinase, mitochondrial

3

1

High-throughput

0.667

High

630446

NUFP1
FMR1-interacting protein NUFIP1

3

1

High-throughput

0.667

High

630416

OCRL
Inositol polyphosphate 5-phosphatase OCRL

1

10

Small-scale

0.647

High

630451

MYO5A
Unconventional myosin-Va

1

13

Small-scale

0.647

High

630401

SYUA
Alpha-synuclein

3

9

Small-scale

0.646

High

630442

MOG1
Ran guanine nucleotide release factor

3

0

High-throughput

0.638

High

630444

KTU
Protein kintoun

3

0

High-throughput

0.638

High

630415

RAB14
Ras-related protein Rab-14

1

19

High-throughput

0.618

High

529057

TAU
Microtubule-associated protein tau

2

16

High-throughput

0.611

High

630432

PGTA
Geranylgeranyl transferase type-2 subunit alpha

2

10

High-throughput

0.611

High

630435

MOCOS
Molybdenum cofactor sulfurase

2

0

High-throughput

0.585

High

630413

KR108
Keratin-associated protein 10-8

2

0

High-throughput

0.580

High

630436

SYGP1
Ras/Rap GTPase-activating protein SynGAP

1

11

High-throughput

0.575

High

207696

SGSM2
Small G protein signaling modulator 2

1

16

Small-scale

0.555

High

630441

VRTN
Vertnin

2

3

High-throughput

0.553

High

466865

ACM4
Muscarinic acetylcholine receptor M4

1

3

High-throughput

0.541

High

630408

PSN1
Presenilin-1

1

1

High-throughput

0.541

High

165899

FFAR1
Free fatty acid receptor 1

1

5

High-throughput

0.536

High

210380

MTLR
Motilin receptor

1

6

High-throughput

0.536

High

417259

RPN1
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1

1

3

High-throughput

0.536

High

630402

OST48
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit

1

4

High-throughput

0.536

High

630403

S15A1
Solute carrier family 15 member 1

1

3

High-throughput

0.536

High

630407

TMEDA
Transmembrane emp24 domain-containing protein 10

1

8

High-throughput

0.536

High

630410

GPM6A
Neuronal membrane glycoprotein M6-a

1

1

High-throughput

0.536

High

630443

RTN4
Reticulon-4

1

15

High-throughput

0.536

High

630417

VMAT2
Synaptic vesicular amine transporter

1

0

High-throughput

0.513

High

630422

TTMP
TPA-induced transmembrane protein

1

0

High-throughput

0.513

High

630426

GET4
Golgi to ER traffic protein 4 homolog

1

0

High-throughput

0.513

High

417942

RPN2
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2

1

6

High-throughput

0.489

High

505131

OST4
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 4

1

2

High-throughput

0.489

High

421481

A4
Amyloid-beta precursor protein

1

10

High-throughput

0.481

High

458272

ADRB2
Beta-2 adrenergic receptor

1

1

Small-scale

0.481

High

630411

PGTB2
Geranylgeranyl transferase type-2 subunit beta

1

3

Small-scale

0.481

High

630440

RNF32
RING finger protein 32

1

1

High-throughput

0.481

High

630447

PRAF1
Prenylated Rab acceptor protein 1

1

13

Small-scale

0.481

High

630452

AP1M2
AP-1 complex subunit mu-2

1

1

High-throughput

0.481

High

630404

BAG6
Large proline-rich protein BAG6

1

6

Small-scale

0.479

High

630406

UB2R1
Ubiquitin-conjugating enzyme E2 R1

1

7

High-throughput

0.479

High

630423

WIPI3
WD repeat domain phosphoinositide-interacting protein 3

1

5

High-throughput

0.479

High

630448

BSN
Protein bassoon

1

1

Small-scale

0.479

High

630438

ECSIT
Evolutionarily conserved signaling intermediate in Toll pathway, mitochondrial

1

0

High-throughput

0.460

High

183908

S22A2
Solute carrier family 22 member 2

1

1

High-throughput

0.445

High

254799

HCN1
Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1

1

5

High-throughput

0.445

High

630412

TERA
Transitional endoplasmic reticulum ATPase

1

4

High-throughput

0.445

High

630414

SNP25
Synaptosomal-associated protein 25

1

5

Small-scale

0.445

High

630419

CUL3
Cullin-3

1

4

High-throughput

0.445

High

630420

CAC1C
Voltage-dependent L-type calcium channel subunit alpha-1C

1

5

High-throughput

0.445

High

630429

CD177
CD177 antigen

1

8

Small-scale

0.445

High

630418

GRSF1
G-rich sequence factor 1

1

3

Small-scale

0.439

High

105314

APRIO
Alternative prion protein

1

6

High-throughput

0.437

High

227367

SPOP
Speckle-type POZ protein

1

2

High-throughput

0.437

High

293187

CD123
Translation initiation factor eIF2 assembly protein

1

4

High-throughput

0.437

High

324515

HEXI1
Protein HEXIM1

1

10

High-throughput

0.437

High

352951

AGR2
Anterior gradient protein 2 homolog

1

5

High-throughput

0.437

High

590794

TIMP2
Metalloproteinase inhibitor 2

1

1

High-throughput

0.437

High

397895

ANGI
Angiogenin

1

0

High-throughput

0.426

High

630428

VW5B2
von Willebrand factor A domain-containing protein 5B2

3

0

High-throughput

0.347

High

124228

HAX1
HCLS1-associated protein X-1

1

0

High-throughput

0.279

Low

369615

A2MG
Alpha-2-macroglobulin

1

0

High-throughput

0.251

Low

630424

CAF17
Iron-sulfur cluster assembly factor IBA57, mitochondrial

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025