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Superposition of mismatch-containing structures of qm RB69pol onto the dCTP/dG-containing wt RB69pol (stick mode in the left and space-filling mode in the right). The structure with a mismatch is shown in green and the wt structure is shown in white. (A) dG/dTTP; (B) dT/dGTP; (C) dT/dTTP; (D) dT/dCTP; (E) dC/dTTP; (F) dC/dCTP; (G) dA/dCTP and (H) dC/dATP.
