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. Author manuscript; available in PMC: 2010 Aug 25.
Published in final edited form as: Biochemistry. 2009 Aug 25;48(33):7777–7779. doi: 10.1021/bi9011622

Figure 2.

Figure 2

Stereoviews of mFo– DFc omit electron-density maps and superpositions. (A) The N1dA9 variant in the context of the pre-catalytic construct. Maps are contoured at the 3σ level. (B) The pre-catalytic N1dA9 variant superimposed on the WT structure (PDB 2OUE). (C) The N1dA38 variant in the context of 2′,5′-linkage TSA. (D) The N1dA9 variant in the context of the 2′,5′-TSA superimposed on a matched WT structure (PDB 2P7F).