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Figure 4.
FIG. 4. Metal binding site. The electron densities of Zn2+
ions (A and B) and Gd^3+ ions (C) derived from the anomalous
difference Fourier maps at peak wavelength are superimposed on
the models. Metal ions are shown as green balls (Zn) or light
green balls (Gd). Water molecules are represented by WA to WD.
The geometries of metal coordination are drawn with blue lines,
and the distances to the metal ion are shown in Table V.
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