Purity >95% by SDS-PAGE, MW: 11.1 kDa. UFM1 Human Recombinant fused with a?20 amino acid His tag at N-terminus produced in E.Coli is a single, non-glycosylated, polypeptide chain containing?103 amino acids (1-83 a.a) and having a molecular mass of 11.1kDa. The UFM1 is purified by proprietary chromatographic techniques.