Proenzyme

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any inactive precursor of an enzyme that is converted to an enzyme by proteolysis; a zymogen.
  2. 2
    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 wordnet

Etymology

From pro- + enzyme.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.