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Updated: Apr 29, 2026

Anaerobic Protein Purification and Kinetic Analysis via Oxygen Electrode for Studying DesB Dioxygenase Activity and Inhibition
Published on: October 3, 2018
A carbonate-forming Baeyer-Villiger monooxygenase
Youcai Hu1, David Dietrich2, Wei Xu1
1Department of Chemical and Biomolecular Engineering, University of California-Los Angeles, Los Angeles, California, USA.
Abstract:
Despite the remarkable versatility displayed by flavin-dependent monooxygenases (FMOs) in natural product biosynthesis, one notably missing activity is the oxidative generation of carbonate functional groups. We describe a multifunctional Baeyer-Villiger monooxygenase, CcsB, which catalyzes the formation of an in-line carbonate in the macrocyclic portion of cytochalasin E. This study expands the repertoire of activities of FMOs and provides a possible synthetic strategy for transformation of ketones into carbonates.
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