Protein: CR2
Complement receptor type 2 (Cr2) (Complement C3d receptor) (Epstein-Barr virus receptor) (EBV receptor) (CD antigen CD21)

Gene: CR2
Organism: Homo sapiens
Interactions: 15
UniProt ID: P20023

Gene Ontology (top 5):
GO:0001618 - virus receptor activity
GO:0001848 - complement binding
GO:0002456 - T cell mediated immunity
GO:0003677 - DNA binding
GO:0004875 - complement receptor activity

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

369831

CO3
Complement C3

3

19

Small-scale

0.867

High

609564

CR1
Complement receptor type 1

1

16

Small-scale

0.618

High

378228

IFNA1
Interferon alpha-1/13

2

1

Small-scale

0.595

High

583961

CD19
B-lymphocyte antigen CD19

2

0

Small-scale

0.559

High

480697

LEG1
Galectin-1

1

14

High-throughput

0.536

High

446104

FCER2
Low affinity immunoglobulin epsilon Fc receptor

1

7

Small-scale

0.501

High

465999

ANXA6
Annexin A6

1

2

Small-scale

0.501

High

627439

NCOA1
Nuclear receptor coactivator 1

1

1

Small-scale

0.501

High

606204

CEBPB
CCAAT/enhancer-binding protein beta

1

1

Small-scale

0.479

High

627437

CD81
CD81 antigen

1

11

Small-scale

0.479

High

627438

SUH
Recombining binding protein suppressor of hairless

1

2

Small-scale

0.479

High

560303

IFM1
Interferon-induced transmembrane protein 1

1

0

Small-scale

0.458

High

105310

APRIO
Alternative prion protein

1

3

High-throughput

0.437

High

65406

MFS2B
Sphingosine-1-phosphate transporter MFSD2B

1

0

High-throughput

0.426

High

627440

CTL1
Choline transporter-like protein 1

1

0

High-throughput

0.426

High


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Last updated: 11Aug2025