flavin

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flavin:

see coenzymecoenzyme
, any one of a group of relatively small organic molecules required for the catalytic function of certain enzymes. A coenzyme may either be attached by covalent bonds to a particular enzyme or exist freely in solution, but in either case it participates intimately in
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Flavin

 

any one of a group of natural organic compounds present in all living cells; a derivative of the heterocyclic compounds of isoalloxazine (C10H6O2N4). Many flavins are important biologically active substances, for example, the vitamin riboflavin. Riboflavin’s derivatives flavin adenine dinucleotide (FAD) and flavin mononucleotide (FMN) are widely distributed coenzymes, which take part in the oxidation-reduction processes of organisms.

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

flavin

[′fla·vən]
(biochemistry)
Any of several water-soluble yellow pigments occurring as coenzymes of flavoproteins.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.