The kinase and ATPase mechanisms.

Stereo diagrams depicting the active sites in the (A) KaiCII and (B) KaiCI halves of KaiCnST. Carbon atoms of residues from adjacent subunits are colored in gray and green (subunits A and B, respectively), Mg2+ ions are depicted as blue spheres with coordination geometries indicated by bold lines and hydrogen bonds are dashed lines.




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