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. Author manuscript; available in PMC: 2012 Dec 14.
Published in final edited form as: J Am Chem Soc. 2011 Nov 21;133(49):19614–19617. doi: 10.1021/ja2080532

Figure 2.

Figure 2

(A) Site 1 metal binding residues (E24, H42, H108, and H112) with weighted 2mFo-DFc map contoured at 1.5σ. (B) Site 2 metal binding residues (C30, E41, and E107) and coordinating water molecule with electron density contoured at 1.5σ. (C) Putative hydrogen-bonding network connecting site 1 to the DNA recognition helix, α4. Metal coordinating side chains are represented as sticks and hydrogen-bonding network residues are highlighted in yellow.