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Literature summary for 1.14.17.4 extracted from

  • Rocklin, A.M.; Kato, K.; Liu, H.W.; Que, L.Jr.; Lipscomb, J.D.
    Mechanistic studies of 1-aminocyclopropane-1-carboxylic acid oxidase: single turnover reaction (2004), J. Biol. Inorg. Chem., 9, 171-182.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
ascorbate addition at 10% of its KM-value significantly accelerates iron oxidation and ethylene formation Persea americana

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ oxidizes to Fe(III) during single turnover Persea americana

Organism

Organism UniProt Comment Textmining
Persea americana
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AVOe3 gene
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Reaction

Reaction Comment Organism Reaction ID
1-aminocyclopropane-1-carboxylate + ascorbate + O2 = ethene + cyanide + dehydroascorbate + CO2 + 2 H2O mechanism, reaction begins with binding of 1-aminocyclopropane-1-carboxylate and O2, and proceeds via iron oxidation and one-electron reduction to form a peroxy intermediate. Breakdown of the intermediate yields a high-valent iron species which is the true oxidizing reagent for bound 1-aminocyclopropane-1-carboxylate Persea americana

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-amino-2-ethylcyclopropane-1-carboxylate + L-ascorbate + O2 + HCO3-
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Persea americana 1-butene + cyanide + dehydroascorbate + CO2 + H2O
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additional information ascorbate is not required for O2 activation or product formation Persea americana ?
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