
Recombinant Hepatitis C Virus NS4 a+b by ProSpec Bio is a recombinant antigen expressed in E. coli (aa 1658–1863, 19 kDa, >95% pure). Sizes: 100 µg (hcv-264), 0.5 mg (hcv-264-1), 1 mg (hcv-264-2). Available from MBP, a registered vendor at leading US research institutions.


