Peptide–Boronic Acid Inhibitors of Flaviviral Proteases: Medicinal Chemistry and Structural Biology
2016-11-28T00:00:00Z (GMT) by
A thousand-fold affinity gain is achieved by introduction of a C-terminal boronic acid moiety into dipeptidic inhibitors of the Zika, West Nile, and dengue virus proteases. The resulting compounds have Ki values in the two-digit nanomolar range, are not cytotoxic, and inhibit virus replication. Structure–activity relationships and a high resolution X-ray cocrystal structure with West Nile virus protease provide a basis for the design of optimized covalent-reversible inhibitors aimed at emerging flaviviral pathogens.
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