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Fascinating progress in the understanding of the molecular biology of hepatitis C virus (HCV) was achieved recently. The replicon system revolutionized the investigation of HCV RNA replication and facilitated drug discovery. Novel systems for functional analyses of the HCV glycoproteins allowed the validation of HCV receptor candidates and the investigation(More)
The hepatitis C virus (HCV) RNA-dependent RNA polymerase (RdRp), represented by nonstructural protein 5B (NS5B), belongs to a class of integral membrane proteins termed tail-anchored proteins. Its membrane association is mediated by the C-terminal 21 amino acid residues, which are dispensable for RdRp activity in vitro. For this study, we investigated the(More)
Fine mapping of human cytotoxic T lymphocyte (CTL) responses against hepatitis C virus (HCV) is based on external loading of target cells with synthetic peptides which are either derived from prediction algorithms or from overlapping peptide libraries. These strategies do not address putative host and viral mechanisms which may alter processing as well as(More)
Protein-protein interactions involved in formation of the membrane-associated hepatitis C virus (HCV) replication complex are poorly understood. Here, we investigated nonstructural proteins with deletions in their membrane anchor domains when expressed in the context of the entire HCV polyprotein. Interactions among cytosolic domains of HCV nonstructural(More)
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