Submitted by György Chityil ... on Fri, 01/19/2018 - 23:58 Hierarchy: NounDescription: {{biochemistry}} Any inactive precursor of an enzyme that is converted to an enzyme by proteolysis; a zymogenNgram: proenzymeNgram Text: proenzymeSource: WiktionaryIssue: 0Wiktionary tag: biochemistryNgram Count: 1