An amine oxidase is an enzyme that catalyzes the oxidative cleavage of alkylamines into aldehydes and ammonia:
RCH2NH2 + H2O + O2 RCHO + NH3 + H2O2
Amine oxidases are divided into two subfamilies based on the cofactor they contain:
Class Cofactor Subclass Enzyme Commission number Human genes Amine oxidase(formerly ) copper lysyl oxidase LOX primary-amine oxidase AOC2, AOC3 diamine oxidase AOC1 Monoamine oxidase flavin N/A MAOA, MAOB
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