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Literature summary for 1.14.17.4 extracted from

  • Smith, J.J.; John, P.
    Activation of 1-aminocyclopropane-1-carboxylate oxidase by bicarbonate/carbon dioxide (1993), Phytochemistry, 32, 1381-1386.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
CO2 pH-dependence Cucumis melo
CO2 requires HCO3-/CO2 mixture Cucumis melo

Inhibitors

Inhibitors Comment Organism Structure
carbonyl sulfide in presence of HCO3-, noncompetitive and irreversible, not at CO2-binding site Cucumis melo
additional information enzyme is inactivated when preincubated in presence of 1-aminocyclopropane-1-carboxylate, Fe2+ and ascorbate Cucumis melo

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information Km for O2 and 1-aminocyclopropane-1-carboxylate is dependent on HCO3-/CO2 concentration Cucumis melo

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1-aminocyclopropane-1-carboxylate + ascorbate + O2 Cucumis melo absolutely dependent on CO2 ethylene + cyanide + dehydroascorbate + CO2 + H2O
-
?

Organism

Organism UniProt Comment Textmining
Cucumis melo
-
var. Galia
-

Source Tissue

Source Tissue Comment Organism Textmining
fruit ripe Cucumis melo
-
pericarp
-
Cucumis melo
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-aminocyclopropane-1-carboxylate + ascorbate + O2 absolutely dependent on CO2 Cucumis melo ethylene + cyanide + dehydroascorbate + CO2 + H2O
-
?
1-aminocyclopropane-1-carboxylate + L-ascorbate + O2 absolutely dependent on CO2 Cucumis melo ethylene + cyanide + dehydroascorbate + CO2 + H2O
-
?
1-aminocyclopropane-1-carboxylate + L-ascorbate + O2 i.e. ACC Cucumis melo ethylene + cyanide + dehydroascorbate + CO2 + H2O
-
?