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A structure model of the full-length E. coli Fur. Full-length sequence of the E. coli Fur was modeled as described in Ref. 53. Site 1 is coordinated by His-87, Asp-89, Glu-108, and His-125. Site 2 is coordinated by His-33, Glu-81, His-88, and His-90. Site 3 is formed by Cys-93, Cys-96, and Cys-133. The structure model of the E. coli Fur was visualized using RasMol (57). The zinc-binding sites and the [2Fe-2S] cluster binding site are indicated.
