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Substrate, substrate analogue, and inhibitor interactions with the ferrous active site of catechol 2,3-dioxygenase
I Bertini1, F Briganti, S Mangani
1Dipartimento di Chimica, Università di Firenze, Italy.
FEBS Letters
|August 22, 1994
Abstract:
The interactions of catechol (substrate), 2-hydroxy-pyridine-N-oxide (substrate analogue), and 2-bromophenol (inhibitor) with the extradiol cleaving catechol-2,3-dioxygenase from Pseudomonas putida mt-2 have been monitored through X-ray absorption spectroscopy (XAS). The analysis of the data provides details about the mode of coordination of the substrate and of the inhibitors to the active site of the enzyme.