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. Author manuscript; available in PMC: 2021 Jan 26.
Published in final edited form as: J Am Chem Soc. 2020 Jun 16;142(25):11165–11172. doi: 10.1021/jacs.0c03591

Figure 3.

Figure 3.

(a) 2Fo-Fc map for the G5-CoII-G8 pair formed by each chain contoured at 1.0 σ. The coordinated metal ions (orange sphere) and water molecules (red sphere) appear clearly in the refined structure. Coordination and hydrogen bonds are shown by dashed lines. (b) 2Fo-Fc map for the water mediated stabilization of the central core residues. The water molecules are shown by red spheres and the hydrogen bonding is shown as dotted black lines. (c) The water W56 and W206 mediated stabilization of the central core residues. Enlarged view of W18 (d) and W19 (e) mediated hydrogen bonding between the G5 and G8 residues of each chain. The water molecules are shown by red spheres and the hydrogen bonding is shown as dotted black lines.