Word Study
proenzyme
WORDNET DICTIONARY
Noun proenzyme has 1 sense
- proenzyme(n = noun.substance) zymogen - any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active; Array is a kind of organic compound
CIDE DICTIONARY
proenzyme, n. [.].
Any one of a class of proteins that are converted, in the normal course of cellular metabolism, into one or more active enzymes; also called zymogen . The conversion usually is due to a specific cleavage of a peptide bond by another enzyme, or may be due to acid. [PJC]
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