Proenzyme

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proenzyme

(Science: biochemistry) A precursor of an enzyme that does not have full (or any) function until an inhibitory sequence has been removed.

This usually requires [[hydrolysis or limited {proteolysis]] of an inhibiting fragment that masks an active grouping) to render it active.

Examples include pepsinogen, trypsinogen, profibrolysin.

Synonym: zymogen.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Proenzyme&oldid=49686"
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