N-carbamoylputrescine amidase () is an enzyme characterised from maize that catalyzes the hydrolysis of N-carbamoylputrescine to putrescine, with ammonia and carbon dioxide as byproducts:
The reaction is part of the metabolism of the amino acid arginine via agmatine.
This enzyme is a hydrolase, one acting on carbon-nitrogen bonds other than peptide bonds, specifically in linear amides. The systematic name of this enzyme class is N-carbamoylputrescine amidohydrolase. Other names in common use include carbamoylputrescine hydrolase, and NCP.
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