
Recombinant Mosaic Hepatitis C Virus NS4 Genotype-1 by ProSpec Bio is a recombinant antigen expressed in E. coli (aa 1691–1710, N-terminal GST tag, >95% pure). Sizes: 100 µg (hcv-257), 0.5 mg (hcv-257-1), 1 mg (hcv-257-2). Available from MBP, a registered vendor at leading US research institutions.


