Issue 20, 2017

Structural insights into the ene-reductase synthesis of profens

Abstract

Reduction of double bonds of α,β-unsaturated carboxylic acids and esters by ene-reductases remains challenging and it typically requires activation by a second electron-withdrawing moiety, such as a halide or second carboxylate group. We showed that profen precursors, 2-arylpropenoic acids and their esters, were efficiently reduced by Old Yellow Enzymes (OYEs). The XenA and GYE enzymes showed activity towards acids, while a wider range of enzymes were active towards the equivalent methyl esters. Comparative co-crystal structural analysis of profen-bound OYEs highlighted key interactions important in determining substrate binding in a catalytically active conformation. The general utility of ene reductases for the synthesis of (R)-profens was established and this work will now drive future mutagenesis studies to screen for the production of pharmaceutically-active (S)-profens.

Graphical abstract: Structural insights into the ene-reductase synthesis of profens

Supplementary files

Article information

Article type
Paper
Submitted
20 ม.ค. 2560
Accepted
26 เม.ย. 2560
First published
28 เม.ย. 2560
This article is Open Access
Creative Commons BY license

Org. Biomol. Chem., 2017,15, 4440-4448

Structural insights into the ene-reductase synthesis of profens

J. Waller, H. S. Toogood, V. Karuppiah, N. J. W. Rattray, D. J. Mansell, D. Leys, J. M. Gardiner, A. Fryszkowska, S. T. Ahmed, R. Bandichhor, G. P. Reddy and N. S. Scrutton, Org. Biomol. Chem., 2017, 15, 4440 DOI: 10.1039/C7OB00163K

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