CVID,SLEB,Complement receptor type,CR2,C3DR,CD21,CR,CVID7,SLEB9,Complement C3d receptor,Complement receptor type 2,EBV receptor,Epstein-Barr virus receptor, EBV-R, C3dR,CD 21,cluster of differentiation 21,Complement C3d receptor 2,Complement component (3d/Epstein Barr virus) receptor 2,EBV-R,Epstein Barr virus receptor,EVBR,This gene encodes a membrane protein, which functions as a receptor for Epstein-Barr virus (EBV) binding on B and T lymphocytes. Genetic variations in this gene are associated with susceptibility to systemic lupus erythematosus type 9 (SLEB9). Alternatively spliced transcript variants encoding different isoforms have been found for this gene.