NRGN Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 1010.0kDa (molecular size on SDS-PAGE will appear higher). NRGN is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques. Purity >90% as determined by SDS-PAGE.