Expression and Characterization of the HCV NS3 Helicase Domain
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The hepatitis C virus (HCV) NS3 protein has two distinct biochemical domains. The N-terminal 20 kDa has serine protease activity (see Chapter 31 ) and the C-terminal 50 kDa has both nucleoside triphosphatase (NTPase) and helicase activities (1 –4 )