Figure 3From: Structural studies of Helicase NS3 variants from Hepatitis C virus genotype 3 in virological sustained responder and non-responder patients(A) Key residues in contact with an oligonucleotide bound to the helicase template (PDB 1A1V; Kim et al., 1998) [18]; (B) Substitution of tryptophan for arginine at position 501 of NS3, present in patient RF020.Back to article page