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Figure 4
The coordination of Zn2+ and oxyanion binding in the deaminase active site. Residues involved in coordination are shown in stick representation: C, grey; N, dark blue; O, red; P, orange; S, yellow. Residues with grey C atoms indicate subunit A of form I, cyan C atoms indicate subunit B of form I and magenta C atoms indicate form II. The catalytic Zn2+ is shown as a grey sphere and the catalytic water is shown as a red sphere. Dashed lines represent potential hydrogen-bonding interactions and the metal-ion coordination is depicted in continuous grey lines.

ISSN: 2053-230X
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