Source : Escherichia Coli.
Recombinant HbsAg ayw full length is a 31kDa proteincloned from HBV 320 genome and fused to 6xHis Tag.
HBsAg is the surface antigen of the Hepatitis-B-Virus (HBV). The capsid of a virus has different surface proteins from the rest of the virus. The antigen is a protein that binds specifically on one of these surface proteins. It is commonly referred to as the Australian Antigen.