Cat#:RP-357AM;Product Name:Recombinant Human HBsAg (His Tag);Synonym:HBsAg; HBV major surface antigen; HBV surface antigen; Hepatitis B Virus major surface antigen; Major surface antigen; S;Source:E. coli;Molecular Characterization:31kDa;Purity:90% pure (SDS-PAGE). Nickel affinity and Ion Exchange chromatography;Formulation:Purified, Liquid;Species Reactivity:Human;Usage:For Lab Research Use Only;