Why the study?
Does a low-pH environment enhance nucleic acid binding and activate RNA unwinding by the HCV NS3 helicase?
Population
Full-length NS3 protein/NS4A cofactor complex or truncated NS3 proteins lacking the protease domain…
Comparison
Low pH environment (pH 6.5) vs Higher pH environment (pH 7.5 to 10)
Design
Preclinical
Authors
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Low-pH optimization of NS3 helicase activity is hypothesis-generating; leaves open relevance to HCV replication or antiviral targeting in vivo.
Does a low-pH environment enhance nucleic acid binding and activate RNA unwinding by the HCV NS3 helicase?
A low-pH environment enhances nucleic acid binding to ATP-bound HCV NS3 helicase, activating RNA unwinding, which may be required for efficient viral RNA translation or replication.
Angela M. Lam (2004) studied this question.
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