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A type of enzyme that catalyzes the rearrangement of hydroxyl groups on a substrate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



any enzyme of the isomerase class that catalyzes the inversion of L- and D-isomers with several centers of asymmetry. For example, aldose 1-epimerase (a mutarotase) catalyzes the conversion of of α-D-glucose into β-D-glucose. Epimerases are widely found in nature. (SeeRACEMASE.)

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.