Name Hepatitis B Virus Pre-S Recombinant Protein (Genotype B) Description The E.coli expressed recombinant HBV Pre-S is a single non-glycosylated polypeptide chain containing 174 amino acids and having a molecular weight of 20 kDa. Source E.coli Application Western Blot, ELISA, etc. Purity > 95% (by SDS-PAGE) Size 50 µg |