
Recombinant Hepatitis C Virus NS4 by ProSpec Bio is a recombinant antigen expressed in E. coli (30 kDa, >95% pure). Sizes: 100 µg (hcv-202), 0.5 mg (hcv-202-1), 1 mg (hcv-202-2). Available from MBP, a registered vendor at leading US research institutions.


