| Other Names | B cell surface antigen CD40, B-cell surface antigen CD40, Bp50B cell-associated molecule, CD40, CD40 antigen, CD40 molecule, TNF receptor superfamily member 5, CD40 type II isoform, CD40L receptor, CDw40, MGC9013, nerve growth factor receptor-related B-lymphocyte activation molecule, p50, TNFRSF5, TNFRSF5CD40 antigen (TNF receptor superfamily member 5), tumor necrosis factor receptor superfamily member 5, tumor necrosis factor receptor superfamily, member 5 |