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Medical Term:


Pronunciation: thi'o-es'ter

Definition: In enzymology, an ester where the oxygen bridging the substrate or product carbonyl carbon and the enzyme is replaced by a sulfur (usually through a Cys residue); a high-energy intermediate in many enzymes.

Synonym(s): acylmercaptan

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.