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isozyme

American  
[ahy-suh-zahym] / ˈaɪ səˌzaɪm /

noun

Biochemistry.

  1. any of the genetically variant forms of certain enzymes that catalyze the same reaction but that may differ in activity, composition, or physical properties.

isozyme British  
/ -ˈzɪm-, ˌaɪsəʊˈzaɪmɪk, ˈaɪsəʊˌzaɪm /

noun

  1. Also called: isoenzyme.  any of a set of structural variants of an enzyme occurring in different tissues in a single species

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • isozymic adjective

Etymology

Origin of isozyme

First recorded in 1955–60; iso- + (en)zyme

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.