Protein: EP3A
Epididymal secretory protein E3-alpha (Human epididymis-specific protein 3-alpha) (HE3-alpha)

Gene: EP3A, EDDM3A
Organism: Homo sapiens
Interactions: 34
UniProt ID: Q14507

Gene Ontology (top 5):
GO:0005615 - extracellular space
GO:0007321 - sperm displacement

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1127310

BTNL9
Butyrophilin-like protein 9

2

1

High-throughput

0.700

High

554224

BMP4
Bone morphogenetic protein 4

1

1

High-throughput

0.536

High

654498

FBLN1
Fibulin-1

1

1

High-throughput

0.536

High

183853

VGF
Neurosecretory protein VGF [Cleaved into: Neuroendocrine regulatory peptide-1

1

0

High-throughput

0.513

High

1052143

COEA1
Collagen alpha-1(XIV) chain

1

0

High-throughput

0.513

High

1127307

TECT1
Tectonic-1

1

0

High-throughput

0.513

High

1127311

CD109
CD109 antigen

1

0

High-throughput

0.513

High

1127321

SIAE
Sialate O-acetylesterase

1

0

High-throughput

0.513

High

1127323

CATF
Cathepsin F

1

0

High-throughput

0.513

High

212062

B4GT5
Beta-1,4-galactosyltransferase 5

1

1

High-throughput

0.489

High

269667

PLXA2
Plexin-A2

1

4

High-throughput

0.489

High

586376

ARSB
Arylsulfatase B

1

2

High-throughput

0.489

High

907905

PLXA3
Plexin-A3

1

4

High-throughput

0.489

High

922813

ITA8
Integrin alpha-8 [Cleaved into: Integrin alpha-8 heavy chain; Integrin alpha-8 light chain]

1

4

High-throughput

0.489

High

928772

CA2D1
Voltage-dependent calcium channel subunit alpha-2/delta-1

1

3

High-throughput

0.489

High

1008432

ADA17
Disintegrin and metalloproteinase domain-containing protein 17

1

1

High-throughput

0.489

High

1127309

SUSD1
Sushi domain-containing protein 1

1

2

High-throughput

0.489

High

1127318

TX101
Testis-expressed protein 101

1

1

High-throughput

0.489

High

1127319

CNTP3
Contactin-associated protein-like 3

1

2

High-throughput

0.489

High

1127322

CA2D2
Voltage-dependent calcium channel subunit alpha-2/delta-2

1

3

High-throughput

0.489

High

1127324

B4GT6
Beta-1,4-galactosyltransferase 6

1

1

High-throughput

0.489

High

1127325

CEIP2
Cell surface hyaluronidase CEMIP2

1

1

High-throughput

0.489

High

164735

HS3S1
Heparan sulfate glucosamine 3-O-sulfotransferase 1

1

0

High-throughput

0.279

Low

844196

ECE1
Endothelin-converting enzyme 1

1

0

High-throughput

0.279

Low

876679

HSP13
Heat shock 70 kDa protein 13

1

0

High-throughput

0.279

Low

1036978

DSC2
Desmocollin-2

1

0

High-throughput

0.279

Low

1127308

GT253
Inactive glycosyltransferase 25 family member 3

1

0

High-throughput

0.279

Low

1127312

COXM1
COX assembly mitochondrial protein homolog

1

0

High-throughput

0.279

Low

1127313

NLGN1
Neuroligin-1

1

0

High-throughput

0.279

Low

1127314

GALT6
Polypeptide N-acetylgalactosaminyltransferase 6

1

0

High-throughput

0.279

Low

1127315

SCRB1
Scavenger receptor class B member 1

1

0

High-throughput

0.279

Low

1127316

AGRV1
Adhesion G-protein coupled receptor V1

1

0

High-throughput

0.279

Low

1127317

TMM59
Transmembrane protein 59

1

0

High-throughput

0.279

Low

1127320

ARMT1
Damage-control phosphatase ARMT1

1

0

High-throughput

0.279

Low


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Last updated: 11Aug2025