ANG Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 144 amino acids (25-147) and having a molecular mass of 16.4 kDa. ANG is fused to a 21 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques. Purity >90.0% as determined by SDS-PAGE.