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. 2011 Feb 23;286(16):14362–14372. doi: 10.1074/jbc.M110.214189

FIGURE 8.

FIGURE 8.

A, summary of mutagenesis analysis of cavities A and B. Based on the IFA results, the replication levels of WT and mutants RNAs are categorized into strong (++++), medium (++), weak (+/−), and nonreplicative (−). B, crystal structure of DENV RdRp showing residues Thr-806, Glu-807, Asp-808, Met-809 (all in yellow), and Lys-756 (in red) from cavity A. The priming loop is shown in yellow. The GDD active site of RdRp is shown in pink. C, crystal structure of DENV RdRp showing residues Leu-328, Lys-330, Trp-859, and Ile-863 (all in red) from cavity B. Amino acid Gly-840, a compensatory mutation for K330A, is labeled in blue. The illustrations for B and C were prepared using PyMOL.