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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: Curr Opin Struct Biol. 2010 Aug 31;20(5):587–597. doi: 10.1016/j.sbi.2010.08.001

Figure 2.

Figure 2

(A) Distribution of Na+-O distances in the PDB structures determined at resolution 1.2 Å or better (blue bars), and in the Cambridge Structural Database (CSD) (red bars). (B) The same distribution after re-refinement of a single structure (PDB code 3FJ0), which was solved by a traditional (i.e., non-SG) structural biology laboratory.