# complement C3d receptor 2

> mammalian protein found in Homo sapiens

**Wikidata**: [Q4393893](https://www.wikidata.org/wiki/Q4393893)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Complement_receptor_2)  
**Source**: https://4ort.xyz/entity/complement-c3d-receptor-2


## References

1. UniProt
2. [InterPro Release 71.0](http://www.ebi.ac.uk/interpro/protein/P20023)
3. Q20641742
4. [Human complement receptor 2 (CR2/CD21) as a receptor for DNA: Implications for its roles in the immune response and the pathogenesis of systemic lupus erythematosus (SLE)](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
5. [Cr2, a Candidate Gene in the Murine Sle1c Lupus Susceptibility Locus, Encodes a Dysfunctional Protein](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
6. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
7. [Structure-guided identification of C3d residues essential for its binding to complement receptor 2 (CD21)](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
8. [Molecular cloning of the cDNA encoding the Epstein-Barr virus/C3d receptor (complement receptor type 2) of human B lymphocytes](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
9. [Genomic organization and polymorphisms of the human C3d/Epstein-Barr virus receptor](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
10. [Binding sites of the Epstein-Barr virus and C3d receptor (CR2, CD21) for its three intracellular ligands, the p53 anti-oncoprotein, the p68 calcium binding protein and the nuclear p120 ribonucleoprotein](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
11. [Structural basis for endosomal trafficking of diverse transmembrane cargos by PX-FERM proteins](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
12. [MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis](http://www.ebi.ac.uk/QuickGO/annotations?protein=P20023&geneProductId=UniProtKB:P20023)
13. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?protein=P20023&geneProductId=UniProtKB:P20023)
14. [Genomic organization and polymorphisms of the human C3d/Epstein-Barr virus receptor](http://www.ebi.ac.uk/QuickGO/annotations?protein=P20023&geneProductId=UniProtKB:P20023)
15. [MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
16. [Binding of monoclonal antibody to the Epstein Barr virus (EBV)/CR2 receptor induces activation and differentiation of human B lymphocytes](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P20023)
17. Ensembl Release 99
18. UMLS 2023