ACC oxidase



ACC oxidase an enzyme present in plant tissues that catalyses the Fe2+– and ascorbate-dependent oxidation of 1-aminocyclopropane-1- carboxylic acid (ACC) to ethylene, CO2, HCN, and H2O. It is a highly unstable monomer (35 kDa) that is inhibited by Co2+. Its activity increases under conditions of stress and at certain developmental stages (e.g. during fruit ripening).



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