Definition of proenzyme in English:

proenzyme

Syllabification: pro·en·zyme
Pronunciation: /prōˈenˌzīm
 
/

noun

Biochemistry
A biologically inactive substance that is metabolized into an enzyme.
More example sentences
  • Covalent modification of pre-existing pools of inactive proenzymes produces active enzymes.
  • These death proteases are part of a proteolytic cascade activating proenzymes into active proteases.
  • Protein digestion begins in the stomach, where a proenzyme called pepsinogen is secreted, autocatalytically converted to Pepsin A, and used for the first step of proteolysis.

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Word of the day bimble
Pronunciation: ˈbɪmb(ə)l
verb
walk or travel at a leisurely pace