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Figure 5.
Figure 5. The pentagonal bipyramidal coordination of
the Ca
2+
. Asp416 and Wat702 are in axial positions.
Ca+2 is shown in orange, oxygen atoms in red, nitrogen
atoms in blue. The residues involved in coordination are
shown in full. The loop around calcium is shown as a
C
a
trace. The magenta arrow indicates the short central
b-strand of the sheet S1. Figure prepared with Raster3D
(Merritt & Bacon, 1997).
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