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. 2012 Aug 14;134(37):15357–15370. doi: 10.1021/ja304419t

Figure 4.

Figure 4

Phosphates and magnesium coordination. ADP, K33, E51, N132, and D145 drawn in stick representation. Green spheres depict Mg2+ ions. Red spheres represent water molecule oxygens. (A) ADP coordinated by two Mg2+ ions in the ADP·2Mg structure. (B) ADP coordinated by a single Mg2+ ion in the ADP·1Mg structure. Water occupies the MgI site in the ADP·1Mg structure.