产品介绍 Human secreted CD40, Fc fusion protein, also known as Tumor Necrosis Factor Receptor Superfamily Member 5, TNFRSF5, and Bp50, GenBank Accession No. NM_001250, a.a. 21-193 expressed in a HEK293 cell expression system. MW = 45.9 kDa (monomer). This protein runs at a higher MW by SDS-PAGE due to glycosylation.