Fig. (3).
Schematic Diagram of the Reaction of Molybdenum during Xanthine Hydroxylation. The results of fast reaction between xanthine and chicken xanthine dehydrogenase followed by means of a stopped-flow method at 4°C. Dissociation of urate (1.8/sec) is the slowest step, and is rate-limiting for the overall process. This figure is drawn based on reference [29].