Human secreted B7-2, 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 with FLAG-Avi-His-tag, expressed in a HEK293 cell expression system. This protein is enzymatically biotinylated using Avi-tag™ technology. MW = 30 kDa. This protein runs at a higher MW by SDS-PAGE due to glycosylation.