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An efficient light-driven P450 BM3 biocatalyst. | LitMetric

An efficient light-driven P450 BM3 biocatalyst.

J Am Chem Soc

Department of Chemistry, San José State University, One Washington Square, San José, California 95192-0101, United States.

Published: October 2013

AI Article Synopsis

Article Abstract

P450s are heme thiolate enzymes that catalyze the regio- and stereoselective functionalization of unactivated C-H bonds using molecular dioxygen and two electrons delivered by the reductase. We have developed hybrid P450 BM3 heme domains containing a covalently attached Ru(II) photosensitizer in order to circumvent the dependency on the reductase and perform P450 reactions upon visible light irradiation. A highly active hybrid enzyme with improved stability and a modified Ru(II) photosensitizer is able to catalyze the light-driven hydroxylation of lauric acid with total turnover numbers of 935 and initial reaction rate of 125 mol product/(mol enzyme/min).

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3938315PMC
http://dx.doi.org/10.1021/ja409337vDOI Listing

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