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Nuclear Magnetic Resonance Spectroscopic And Computational Investigations Of Chloroperoxidase Catalyzed Regio- And Enantio-Selective Transformations, Rui Zhang Mar 2013

Nuclear Magnetic Resonance Spectroscopic And Computational Investigations Of Chloroperoxidase Catalyzed Regio- And Enantio-Selective Transformations, Rui Zhang

FIU Electronic Theses and Dissertations

Chloroperoxidase (CPO) is the most versatile heme-containing enzyme that catalyzes a broad spectrum of reactions. The remarkable feature of this enzyme is the high regio- and enantio-selectivity exhibited in CPO-catalyzed oxidation reactions. The aim of this dissertation is to elucidate the structural basis for regio- and enantio-selective transformations and investigate the application of CPO in biodegradation of synthetic dyes.

To unravel the mechanism of CPO-catalyzed regioselective oxidation of indole, the dissertation explored the structure of CPO-indole complex using paramagnetic relaxation and molecular modeling. The distances between the protons of indole and the heme iron revealed that the pyrrole ring of ...