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Figure 3
Stereoview showing detail of the monovalent cation-binding site 2 in the K-only model of E. coli GyrB43. The model was refined with a fully occupied Na+ ion at 1.75 Å resolution (the electron-density map is of the form 2mFobs − DFcalc and is contoured at 1.0σ). Note that Arg22 is provided by the opposing subunit.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
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