Gene organization and molecular modeling of copper amine oxidase from Aspergillus niger: re-evaluation of the cofactor structure
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Amine oxidase AO-I from Aspergillus niger AKU 3302 has been reported to contain topa quinone (TPQ) as a cofactor; however, analysis of the p-nitrophenylhydrazine-derivatized enzyme and purified active site peptides showed the presence of a carboxylate ester li... ...
