PROENZYME

proenzyme, zymogen

(noun) 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

Source: WordNet® 3.1

Etymology

Noun

proenzyme (plural proenzymes)

(biochemistry) Any inactive precursor of an enzyme that is converted to an enzyme by proteolysis; a zymogen

Source: Wiktionary

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