PPA2 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 325 amino acids (33-334 a.a) and having a molecular mass of 37.1kDa. PPA2 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques. Purity >95.0% as determined by SDS-PAGE.