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Figure 3
Structures of Mc-KdsC: (a) crystal form I with Mg2+ ion, (b) crystal form II with phosphate and Mg2+ ion and (c) crystal form III with a citrate molecule bound in the active site. The green sphere represents the Mg2+ ion and the red spheres represent water molecules. Hydrogen bonds are shown as yellow dashed lines. The two subunits are coloured green and magenta. |