Protein: C4BPA
C4b-binding protein alpha chain (C4bp) (Proline-rich protein) (PRP)

Gene: C4BPA
Organism: Homo sapiens
Interactions: 32
UniProt ID: P04003

Gene Ontology (top 5):
GO:0002456 - T cell mediated immunity
GO:0003723 - RNA binding
GO:0005576 - extracellular region
GO:0005615 - extracellular space
GO:0005886 - plasma membrane

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

399492

VWF
von Willebrand factor

1

1

Small-scale

0.724

High

210671

KLK10
Kallikrein-10

1

5

High-throughput

0.691

High

388571

SAMP
Serum amyloid P-component

2

6

Small-scale

0.571

High

288270

SPAG6
Sperm-associated antigen 6

1

1

High-throughput

0.536

High

399496

CCR1
C-C chemokine receptor type 1

1

3

High-throughput

0.536

High

399516

GBG8
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-8

1

4

High-throughput

0.536

High

399513

FXYD6
FXYD domain-containing ion transport regulator 6

1

0

High-throughput

0.518

High

399498

TUB
Tubby protein homolog

1

0

High-throughput

0.513

High

399510

TSNAX
Translin-associated protein X

1

0

High-throughput

0.513

High

399493

HS90A
Heat shock protein HSP 90-alpha

1

1

Small-scale

0.501

High

399494

THIO
Thioredoxin

1

1

Small-scale

0.501

High

174891

SC16A
Protein transport protein Sec16A

1

1

High-throughput

0.489

High

399505

UBE2U
Ubiquitin-conjugating enzyme E2 U

1

2

High-throughput

0.489

High

399507

LONP2
Lon protease homolog 2, peroxisomal

1

1

High-throughput

0.489

High

399512

PLCA
1-acyl-sn-glycerol-3-phosphate acyltransferase alpha

1

4

High-throughput

0.489

High

399515

PHF11
PHD finger protein 11

1

2

High-throughput

0.489

High

399495

LBP
Lipopolysaccharide-binding protein

1

1

High-throughput

0.481

High

388871

FINC
Fibronectin

1

4

Small-scale

0.479

High

399499

NCBP2
Nuclear cap-binding protein subunit 2

1

1

High-throughput

0.445

High

399502

GIT2
ARF GTPase-activating protein GIT2

1

1

High-throughput

0.439

High

277248

PITX3
Pituitary homeobox 3

1

3

Small-scale

0.437

High

330555

KI20A
Kinesin-like protein KIF20A

1

8

High-throughput

0.437

High

399501

KIF23
Kinesin-like protein KIF23

1

4

High-throughput

0.437

High

399503

KIF14
Kinesin-like protein KIF14

1

3

High-throughput

0.437

High

399514

ECT2
Protein ECT2

1

1

High-throughput

0.437

High

399511

FEZ1
Fasciculation and elongation protein zeta-1

1

0

High-throughput

0.426

High

399500

GTF2I
General transcription factor II-I

1

0

High-throughput

0.282

High

399497

MYH11
Myosin-11

1

0

High-throughput

0.279

Low

399506

ARMC6
Armadillo repeat-containing protein 6

1

0

High-throughput

0.279

Low

399508

KCT2
Keratinocyte-associated transmembrane protein 2

1

0

High-throughput

0.279

Low

399509

SMRD1
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily D member 1

1

0

High-throughput

0.251

Low

399504

EMC4
ER membrane protein complex subunit 4

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025