Protein: C4BPB
C4b-binding protein beta chain

Gene: C4BPB
Organism: Homo sapiens
Interactions: 29
UniProt ID: P20851

Gene Ontology (top 5):
GO:0005576 - extracellular region
GO:0005615 - extracellular space
GO:0005886 - plasma membrane
GO:0006958 - complement activation, classical pathway
GO:0007596 - blood coagulation

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

452081

PROS
Vitamin K-dependent protein S

4

6

Small-scale

0.899

High

635422

NEK4
Serine/threonine-protein kinase Nek4

3

2

High-throughput

0.609

High

635438

ORNT1
Mitochondrial ornithine transporter 1

3

2

High-throughput

0.609

High

161944

MP2K7
Dual specificity mitogen-activated protein kinase kinase 7

2

1

High-throughput

0.558

High

635419

PCSK6
Proprotein convertase subtilisin/kexin type 6

1

5

High-throughput

0.536

High

635421

ACTY
Beta-centractin

1

2

High-throughput

0.536

High

635423

LAMB2
Laminin subunit beta-2

1

6

High-throughput

0.536

High

350686

NOE2
Noelin-2

1

0

High-throughput

0.513

High

635418

BDNF
Neurotrophic factor BDNF precursor form

1

0

High-throughput

0.513

High

635420

VKGC
Vitamin K-dependent gamma-carboxylase

1

0

High-throughput

0.513

High

635424

SEM3B
Semaphorin-3B

1

0

High-throughput

0.513

High

635426

H2B2E
Histone H2B type 2-E

1

0

High-throughput

0.493

High

635427

KLH22
Kelch-like protein 22

1

3

High-throughput

0.489

High

635433

SE1L1
Protein sel-1 homolog 1

1

2

High-throughput

0.489

High

635436

FBX2
F-box only protein 2

1

1

High-throughput

0.489

High

413178

P53
Cellular tumor antigen p53

1

1

High-throughput

0.437

High

593571

GDC
Solute carrier family 25 member 16

1

1

High-throughput

0.437

High

635425

KIF14
Kinesin-like protein KIF14

1

2

High-throughput

0.437

High

635434

ZRAN1
Ubiquitin thioesterase ZRANB1

1

3

High-throughput

0.437

High

133339

DCTN6
Dynactin subunit 6

3

0

High-throughput

0.347

High

635430

VPS52
Vacuolar protein sorting-associated protein 52 homolog

3

0

High-throughput

0.347

High

635431

ZN655
Zinc finger protein 655

3

0

High-throughput

0.347

High

635435

DCTN4
Dynactin subunit 4

3

0

High-throughput

0.347

High

67355

RTL8C
Retrotransposon Gag-like protein 8C

2

0

High-throughput

0.318

High

298142

DCTN3
Dynactin subunit 3

2

0

High-throughput

0.318

High

635429

RM10
Large ribosomal subunit protein uL10m

1

0

High-throughput

0.279

Low

635432

ERLEC
Endoplasmic reticulum lectin 1

1

0

High-throughput

0.279

Low

635428

KMCP1
Kidney mitochondrial carrier protein 1

1

0

High-throughput

0.249

Low

635437

MTO1
5-taurinomethyluridine-[tRNA] synthase subunit MTO1, mitochondrial

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025