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Hepatitis C Virus

Research findings from O. Nyanguile et al update understanding of hepatitis C virus

Published in Hepatitis Weekly, January 19th, 2009

"The exogenous control of hepatitis C virus (HCV) replication can be mediated through the inhibition of the RNA-dependent RNA polymerase (RdRp) activity of NS5B. Small-molecule inhibitors of NS5B include nucleoside and nonnucleoside analogs," scientists writing in the journal Antimicrobial Agents and Chemotherapy report.

"Here, we report the discovery of a novel class of HCV polymerase nonnucleoside inhibitors, 1,5-benzodiazepines (1,5-BZDs), identified by high-throughput screening of a library of small molecules. A fluorescence-quenching assay and X-ray crystallography revealed that 1,5-BZD 4a bound stereospecifically to NS5B next to the catalytic site. When...

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