HFE Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 308 amino acids (23-306 a.a) and having a molecular mass of 35.7kDa. HFE is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques. Purity >85.0% as determined by SDS-PAGE.