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We hypothesized that mutations in the HCV NS5B polymerase, which occur during infection, may affect RNA-dependent RNA polymerase (RdRp) activity. NS5B proteins corresponding to a genotype 1a infectious clone and mutants identified in chimpanzees following inoculation with the clone were expressed and purified and their in vitro RdRp activity was compared to a NS5B genotype 1b control. A Gln-65-to-His...
The hepatitis C virus (HCV) represents a major public health problem that can produce liver failure and hepatocellular carcinoma in chronically infected patients. Our goal was to express the HCV non-structural protein 5B (NS5B) protein of HCV genotype 1a in Escherichia coli and initiate studies of its role in HCV genomic replication. In this report we demonstrate that a recombinant NS5B protein with...
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