CD58 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 210 amino acids (29-215 a.a) and having a molecular mass of 23.8kDa. CD58 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques. Purity >90.0% as determined by SDS-PAGE.