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. Author manuscript; available in PMC: 2015 Aug 22.
Published in final edited form as: J Am Chem Soc. 2015 May 27;137(22):7011–7014. doi: 10.1021/jacs.5b02701

Figure 3.

Figure 3

Active site configuration in the ternary Dpo4 insertion-step complex with unpaired MeFapy-dG and incoming dATP opposite template T. (A) View into the DNA major groove, and (B) rotated by ∼90° around the horizontal axis and looking perpendicularly onto the nucleobase plane of the incoming dATP. Color codes match those in Fig. 2 except that carbon atoms of template T5′-adjacent to the adduct are purple. Ca2+ ions are brown spheres.