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Figure 3.
A representative view of all seven tetrameric KdsC
structures. The conformation of the active site (open or closed)
for each monomer is specified. The positions of Mg^2+, Ca^2+,
and Cl^− ions are shown as the red, purple, and orange
spheres, respectively. Kdo8P (blue), Kdo (blue), and the
phosphate (green) are shown as stick models. Captions designate
the contents of each crystal forms, their space groups, and
resolutions (for more details, see Tables 1 and 2). The
compounds present in the crystallization mixture but not
observed in the protein structure are written in parentheses.
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