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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 3.

Figure 3

Representative structures of the second metal-binding site from minimization studies of the EcNikR-DNA complex with either (a) K+ or (b) Ni2+ bound in the second metal-binding site. Distances are in Å, and coloring is the same as in Figure 1.