
Recombinant Hepatitis B Virus Pre-S by ProSpec Bio is a recombinant antigen expressed in E. coli (174 aa, 6xHis tag, 25 kDa, >95% pure), supplied as a solution. Sizes: 100 µg (hbv-231), 0.5 mg (hbv-231-1), 1 mg (hbv-231-2). Available from MBP, a registered vendor at leading US research institutions.


