MW: 81,179 Da. Purity >85% as determined by SDS-PAGE. Description: KPNB1 Human Recombinant produced in E Coli is a single, non-glycosylated polypeptide chain containing 899 amino acids (1-876 a.a.) and having a molecular mass of 99.6kDa. KPNB1 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.Introduction: KPNB1 is a member of the importin beta family. The KPNB1 protein is engaged in nuclear protein import, either by coup