Fluorogenic kinetic assay for high-throughput discovery of stereoselective ketoreductases relevant to pharmaceutical synthesis

Yen-Chi Thai, Anna Szekrenyi, Yuyin Qi, Gary Black, Simon Charnock, Wolf-Dieter Fessner

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)
15 Downloads (Pure)

Abstract

Enantiomerically pure 1-(6-methoxynaphth-2-yl) and 1-(6-(dimethylamino)naphth-2-yl) carbinols are fluorogenic substrates for aldo/keto reductase (KRED) enzymes, which allow the highly sensitive and reliable determination of activity and kinetic constants of known and unknown enzymes, as well as an immediate enantioselectivity typing. Because of its simplicity in microtiter plate format, the assay qualifies for the discovery of novel KREDs of yet unknown specificity among this vast enzyme superfamily. The suitability of this approach for enzyme typing is illustrated by an exemplary screening of a large collection of short-chain dehydrogenase/reductase (SDR) enzymes arrayed from a metagenomic approach. We believe that this assay format should match well the pharmaceutical industry’s demand for acetophenone-type substrates and the continuing interest in new enzymes with broad substrate promiscuity for the synthesis of chiral, non-racemic carbinols.
Original languageEnglish
Pages (from-to)1320-1326
JournalBioorganic & Medicinal Chemistry
Volume26
Issue number7
Early online date13 May 2017
DOIs
Publication statusPublished - 1 Apr 2018

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