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proenzyme

[proh-en-zahym] /proʊˈɛn zaɪm/
noun, Biochemistry
1.
any of a group of proteins that are converted to active enzymes by partial breakdown, as by the action of an acid or other enzyme.
Also called zymogen.
Origin
1895-1900
1895-1900; pro-1 + enzyme
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for proenzyme

proenzyme

/prəʊˈɛnzaɪm/
noun
1.
the inactive form of an enzyme; zymogen
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
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proenzyme in Medicine

proenzyme pro·en·zyme (prō-ěn'zīm')
n.
The inactive or nearly inactive precursor of an enzyme, converted into an active enzyme by proteolysis. Also called zymogen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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