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. Author manuscript; available in PMC: 2013 Feb 22.
Published in final edited form as: J Am Chem Soc. 2009 Jul 29;131(29):10220–10228. doi: 10.1021/ja9026314

Figure 6.

Figure 6

EcNikR-DNA structure, with residues with the most extreme contributions to ΔΔG colored in red and blue. Red residues contribute ≤−10 kcal/mol to ΔΔG and prefer Ni2+ ions in the second metal-binding sites (black spheres). Residues in blue contribute ≥10 kcal/mol to ΔΔG and prefer K+ ions in the second metal-binding sites. All backbone atoms are shown in ribbon form and are colored gray. Residues that contribute between −10 and 10 kcal/mol to the ΔΔG are not shown in stick form.