Protein: P
P protein (Melanocyte-specific transporter protein) (Pink-eyed dilution protein homolog)

Gene: P, OCA2
Organism: Homo sapiens
Interactions: 66
UniProt ID: Q04671

Gene Ontology (top 5):
GO:0005254 - chloride channel activity
GO:0005765 - lysosomal membrane
GO:0005789 - endoplasmic reticulum membrane
GO:0006583 - melanin biosynthetic process from tyrosine
GO:0007286 - spermatid development

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

855317

5HT3A
5-hydroxytryptamine receptor 3A

2

2

High-throughput

0.574

High

1047315

ACHD
Acetylcholine receptor subunit delta

2

1

High-throughput

0.574

High

1047333

AT132
Polyamine-transporting ATPase 13A2

1

1

Small-scale

0.541

High

607920

ACHB2
Neuronal acetylcholine receptor subunit beta-2

1

1

High-throughput

0.489

High

573440

ENPL
Endoplasmin

1

2

High-throughput

0.445

High

697852

CALR
Calreticulin

1

1

High-throughput

0.445

High

158813

AP3D1
AP-3 complex subunit delta-1

1

0

High-throughput

0.426

High

230783

EXTL3
Exostosin-like 3

1

0

High-throughput

0.426

High

380537

DRB1
HLA class II histocompatibility antigen, DRB1 beta chain

1

0

High-throughput

0.426

High

1047325

EMC5
ER membrane protein complex subunit 5

1

0

High-throughput

0.426

High

1047329

PIGT
GPI-anchor transamidase component PIGT

1

0

High-throughput

0.426

High

1047331

VKOR1
Vitamin K epoxide reductase complex subunit 1

1

0

High-throughput

0.426

High

1047338

DJC16
DnaJ homolog subfamily C member 16

1

0

High-throughput

0.426

High

127934

PSD11
26S proteasome non-ATPase regulatory subunit 11

1

1

High-throughput

0.407

High

358673

LDHA
L-lactate dehydrogenase A chain

1

2

High-throughput

0.407

High

365367

PGK1
Phosphoglycerate kinase 1

1

1

High-throughput

0.407

High

450974

LDHB
L-lactate dehydrogenase B chain

1

2

High-throughput

0.407

High

489037

LKHA4
Leukotriene A-4 hydrolase

1

2

High-throughput

0.407

High

521656

H14
Histone H1.4

1

2

High-throughput

0.407

High

595750

H13
Histone H1.3

1

2

High-throughput

0.407

High

596058

H12
Histone H1.2

1

2

High-throughput

0.407

High

616171

PGAM1
Phosphoglycerate mutase 1

1

1

High-throughput

0.407

High

633662

PSB1
Proteasome subunit beta type-1

1

2

High-throughput

0.407

High

701019

PSB6
Proteasome subunit beta type-6

1

1

High-throughput

0.407

High

881156

FAS
Fatty acid synthase

1

1

High-throughput

0.407

High

1047317

SQSTM
Sequestosome-1

1

2

High-throughput

0.407

High

1047319

PSMD6
26S proteasome non-ATPase regulatory subunit 6

1

1

High-throughput

0.407

High

1047332

AMPB
Aminopeptidase B

1

2

High-throughput

0.407

High

1047336

TM59L
Transmembrane protein 59-like

1

1

High-throughput

0.407

High

165312

PSA7
Proteasome subunit alpha type-7

1

0

High-throughput

0.232

Low

224694

ACTN4
Alpha-actinin-4

1

0

High-throughput

0.232

Low

279740

CISY
Citrate synthase, mitochondrial

1

0

High-throughput

0.232

Low

362029

AATM
Aspartate aminotransferase, mitochondrial

1

0

High-throughput

0.232

Low

402579

ALDOA
Fructose-bisphosphate aldolase A

1

0

High-throughput

0.232

Low

445829

ENOA
Alpha-enolase

1

0

High-throughput

0.232

Low

446409

G6PI
Glucose-6-phosphate isomerase

1

0

High-throughput

0.232

Low

459554

PROF1
Profilin-1

1

0

High-throughput

0.232

Low

553173

KCRB
Creatine kinase B-type

1

0

High-throughput

0.232

Low

647541

UBA1
Ubiquitin-like modifier-activating enzyme 1

1

0

High-throughput

0.232

Low

659767

SAHH
Adenosylhomocysteinase

1

0

High-throughput

0.232

Low

717291

PEBP1
Phosphatidylethanolamine-binding protein 1

1

0

High-throughput

0.232

Low

728941

PUR9
Bifunctional purine biosynthesis protein ATIC

1

0

High-throughput

0.232

Low

760895

GLYM
Serine hydroxymethyltransferase, mitochondrial

1

0

High-throughput

0.232

Low

894534

GDIB
Rab GDP dissociation inhibitor beta

1

0

High-throughput

0.232

Low

910297

6PGD
6-phosphogluconate dehydrogenase, decarboxylating

1

0

High-throughput

0.232

Low

949137

TPIS
Triosephosphate isomerase

1

0

High-throughput

0.232

Low

969190

RS8
Small ribosomal subunit protein eS8

1

0

High-throughput

0.232

Low

972669

RS23
Small ribosomal subunit protein uS12

1

0

High-throughput

0.232

Low

986359

PPIA
Peptidyl-prolyl cis-trans isomerase A

1

0

High-throughput

0.232

Low

992697

RACK1
Small ribosomal subunit protein RACK1

1

0

High-throughput

0.232

Low

1031097

HMCS1
Hydroxymethylglutaryl-CoA synthase, cytoplasmic

1

0

High-throughput

0.232

Low

1047316

PSMD2
26S proteasome non-ATPase regulatory subunit 2

1

0

High-throughput

0.232

Low

1047318

GANAB
Neutral alpha-glucosidase AB

1

0

High-throughput

0.232

Low

1047320

TEBP
Prostaglandin E synthase 3

1

0

High-throughput

0.232

Low

1047321

FSCN1
Fascin

1

0

High-throughput

0.232

Low

1047322

TM201
Transmembrane protein 201

1

0

High-throughput

0.232

Low

1047323

SND1
Staphylococcal nuclease domain-containing protein 1

1

0

High-throughput

0.232

Low

1047324

CIR1
Corepressor interacting with RBPJ 1

1

0

High-throughput

0.232

Low

1047326

DDX54
ATP-dependent RNA helicase DDX54

1

0

High-throughput

0.232

Low

1047327

DCAKD
Dephospho-CoA kinase domain-containing protein

1

0

High-throughput

0.232

Low

1047328

BRI3B
BRI3-binding protein

1

0

High-throughput

0.232

Low

1047330

ACON
Aconitate hydratase, mitochondrial

1

0

High-throughput

0.232

Low

1047334

QPCTL
Glutaminyl-peptide cyclotransferase-like protein

1

0

High-throughput

0.232

Low

1047335

RCC2
Protein RCC2

1

0

High-throughput

0.232

Low

1047337

NUDC
Nuclear migration protein nudC

1

0

High-throughput

0.232

Low

1047339

SERC
Phosphoserine aminotransferase

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025