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Figure 1
The interaction of metals with carboxylate groups, showing the relationship of the two M—O distances when they are both <3.0 Å (Zn, Mn) or <3.1 Å (Ca). [The labels O1 and O2 can be permuted, so each carboxylate group is shown twice and the pattern is symmetrical about the diagonal line, d(M—O1) = d(M—O2)]. (a) Zn carboxylates in CSD data. (b) Ca bidentate interactions with Asp and Glu in the PDB data. Those of type (i) are shown as triangles and of type (iii) as circles (see Fig. 2[link]). (c) Mn carboxylates in the CSD data.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
Volume 62| Part 6| May 2006| Pages 678-682
doi:10.1107/S0907444906014594
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