
Recombinant Hepatitis A Virus VP4-VP2 by ProSpec Bio is a recombinant antigen expressed in E. coli (aa 55–164, GST tag, 44 kDa, >90% pure). Sizes: 100 µg (hav-225), 0.5 mg (hav-225-1), 1 mg (hav-225-2). Available from MBP, a registered vendor at leading US research institutions.


