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In pursuit of novel therapeutics targeting the hepatitis B virus (HBV) infection, we evaluated a dihydroquinolizinone compound (DHQ-1) that in the nanomolar range reduced the production of virion and surface protein (HBsAg) in tissue culture. This compound also showed broad HBV genotype coverage, but was inactive against a panel of DNA and RNA viruses of other species. Oral administration of DHQ-1...
Hepatitis C virus (HCV) RNA-dependent RNA polymerase (NS5B) is required for viral replication. Crystal structures of the NS5B apoprotein show that the finger and thumb domains interact to encircle the active site, and that inhibitors defined by P495 resistance that bind to the thumb-finger interface displace the Δ1 finger loop and disrupt this structure. Since crystal structures may not reveal all...
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