X-ray Crystal Structure of Arsenite-Inhibited Xanthine Oxidase: μ-Sulfido,μ-Oxo Double Bridge between Molybdenum and Arsenic in the Active Site

X-ray Crystal Structure of Arsenite-Inhibited Xanthine Oxidase: μ-Sulfido,μ-Oxo Double Bridge between Molybdenum and Arsenic in the Active Site