The crystal structure of Zika virus helicase: basis for antiviral drug design

Here we report the crystal structure of ZIKV helicase NS3 at 1.8-Å resolution. The helicase structure revealed a conserved triphosphate pocket critical for nonspecific hydrolysis of nucleoside triphosphates across multiple flavivirus species. A positive-charged tunnel has been identified in the viral helicase, which is potentially responsible for accommodating the RNA. This crystal structure of ZIKV helicase provides an accurate model for rational drug design against ZIKV infection.

https://static-content.springer.com/image/art%3A10.1007%2Fs13238-016-0275-4/MediaObjects/13238_2016_275_Fig1_HTML.gif
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