Hepatitis C virus (HCV) is a small (55-65 nm in size), enveloped, positive-sense single-stranded RNA virus of the family Flaviviridae. Hepatitis C virus is the cause of hepatitis C in humans. Alternative Names: HCV protein, HCV Recombinant protein, Hep C protein, Hepatitis C Virus NS3 Recombinant Protein, Hepatitis C Virus protein