Structure-Based Mutational Analysis of the NS3 Helicase from Dengue Virus

Abstract excerpt

We performed a mutational analysis of the NS3 helicase of dengue virus to test insights gleaned from its crystal structure and identified four residues in the full-length protein that severely impaired either its RTPase and ATPase (Arg-457-458, Arg-460, Arg-463) or helicase (Ile-365, Arg-376) activity. Alanine substitution of Lys-396, which is located at the surface of domain II, drastically reduced all three...

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