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Surface rendering of the [ZnZn(ArgE)] molecule where the black box indicates the position of the di-nuclear metal center. Insert: Close-up of the dinuclear Zn(II) cluster showing that the active site is located in a long cleft across the catalytic domain. Zn(II) ions are shown in light blue spheres and the bridging water molecule is shown as a red sphere and labeled as “WAT”.
