Human secreted B7-2, Fc fusion protein, also known as T-lymphocyte activation antigen CD86, B7.2, FUN-1, B70, BU63, and CD86. GenBank Accession No. NM_006889, a.a. 20-239 expressed in a HEK293 cell expression system. MW = 51.9 kDa (monomer). This protein runs at a higher MW by SDS-PAGE due to glycosylation.