CD21 antigens

CD21 antigens general information

CD21 Gene ID 12902
CD21 Official Full Name complement receptor 2
CD21 Alias C3DR, CR2, EBV-R
CD21 Cellular Expression T; B; Dendritic; Epithelial; Stem cell
CD21 Ligand/Receptor/Association C3d, EBV, CD23
CD21 Function Signal transduction. Regulator of complement activation
CD21 Summary Complement receptor type 2 (CR2), also known as complement C3d receptor, Epstein-Barr virus receptor, and CD21 (cluster of differentiation 21), is a protein that in humans is encoded by the CR2 gene.CR2 is involved in the complement system. It binds to iC3b (inactive derivative of C3b), C3dg, or C3d.[1] B cells have CR2 receptors on their surfaces, allowing the complement system to play a role in B-cell activation and maturation [2]

Information from NCBI or Wiki

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