|Superclasses:||Reactions Classified By Conversion Type → Simple Reactions → Chemical Reactions|
|Reactions Classified By Substrate → Small-Molecule Reactions|
EC Number: 220.127.116.11
Enzymes and Genes:
|Cucumis melo:||1-aminocyclopropane-1-carboxylate oxidase: ACO|
|Malus domestica:||1-aminocyclopropane-1-carboxylate oxidase: PAE12|
|Solanum lycopersicum:||aminocyclopropane-1-carboxylate oxidase: ACO4|
In Pathway: ethylene biosynthesis I (plants)
The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the direction in which it was curated.
Most BioCyc compounds have been protonated to a reference pH value of 7.3. Please see the PGDB Concepts Guide for more information.
Mass balance status: Balanced.
Enzyme Commission Primary Name: aminocyclopropanecarboxylate oxidase
Enzyme Commission Synonyms: ACC oxidase, ethylene-forming enzyme
Standard Gibbs Free Energy (ΔrG'°): -69.29988 kcal/mol [Latendresse13]
Enzyme Commission Summary:
A nonheme iron enzyme. Requires CO2 for activity. In the enzyme from plants, the ethylene has signalling functions such as stimulation of fruit-ripening.
Zhang95: Zhang Z, Schofield CJ, Baldwin JE, Thomas P, John P (1995). "Expression, purification and characterization of 1-aminocyclopropane-1-carboxylate oxidase from tomato in Escherichia coli." Biochem J 307 ( Pt 1);77-85. PMID: 7717997
Zhang97: Zhang Z, Barlow JN, Baldwin JE, Schofield CJ (1997). "Metal-catalyzed oxidation and mutagenesis studies on the iron(II) binding site of 1-aminocyclopropane-1-carboxylate oxidase." Biochemistry 36(50);15999-6007. PMID: 9398335
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