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Literature summary for 1.14.17.4 extracted from

  • Bidonde, S.; Ferrer, M.A.; Zegzouti, H.; Ramassamy, S.; Latche, A.; Pech, J.C.; Hamilton, A.J.; Grierson, D.; Bouzayen, M.
    Expression and characterization of three tomato 1-aminocyclopropane-1-carboxylate oxidase cDNAs in yeast (1998), Eur. J. Biochem., 253, 20-26.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
ascorbate 3 isozymes: absolutely dependent on invitro, no requirement in vivo Solanum lycopersicum
CO2 absolutely dependent on Solanum lycopersicum

Cloned(Commentary)

Cloned (Comment) Organism
isozyme ACO1, DNA sequence determination and analysis, expression in Saccharomyces cerevisiae Solanum lycopersicum
isozyme ACO2, DNA sequence determination and analysis, expression in Saccharomyces cerevisiae Solanum lycopersicum
isozyme ACO3, DNA sequence determination and analysis, expression in Saccharomyces cerevisiae Solanum lycopersicum

Inhibitors

Inhibitors Comment Organism Structure
1,10-phenanthroline
-
Solanum lycopersicum
Co2+
-
Solanum lycopersicum
EDTA
-
Solanum lycopersicum
n-propyl gallate free-radical scavenger; free-radical scavenger; free-radical scavenger Solanum lycopersicum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.012
-
1-aminocyclopropane-1-carboxylate recombinant isozyme ACO1, in presence of 3mM L-ascorbate, pH 7.2, 29°C Solanum lycopersicum
0.013
-
1-aminocyclopropane-1-carboxylate recombinant isozyme ACO1, in presence of 3mM L-ascorbate, pH 7.2, 29°C Solanum lycopersicum
0.029
-
1-aminocyclopropane-1-carboxylate recombinant isozyme ACO1, in presence of 3mM L-ascorbate and 10 mM HCO3-, pH 7.2, 29°C Solanum lycopersicum
0.03
-
1-aminocyclopropane-1-carboxylate recombinant isozyme ACO1, in presence of 3mM L-ascorbate, pH 7.2, 29°C Solanum lycopersicum
0.03
-
1-aminocyclopropane-1-carboxylate recombinant isozyme ACO1, in presence of 3mM L-ascorbate and 10 mM HCO3-, pH 7.2, 29°C Solanum lycopersicum
0.067
-
1-aminocyclopropane-1-carboxylate recombinant isozyme ACO1, in presence of 3mM L-ascorbate and 10 mM HCO3-, pH 7.2, 29°C Solanum lycopersicum

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ absolutely required Solanum lycopersicum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1-aminocyclopropane-1-carboxylate + ascorbate + O2 Solanum lycopersicum
-
ethylene + cyanide + dehydroascorbate + CO2 + H2O
-
?

Organism

Organism UniProt Comment Textmining
Solanum lycopersicum P05116 isozyme ACO1
-
Solanum lycopersicum P07920 isozyme ACO2
-
Solanum lycopersicum P24157 isozyme ACO3
-

Purification (Commentary)

Purification (Comment) Organism
partial, recombinant from Saccharomyces cerevisiae Solanum lycopersicum

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.003
-
partially purified recombinant isozyme ACO2 Solanum lycopersicum
0.012
-
partially purified recombinant isozyme ACO3 Solanum lycopersicum
0.025
-
partially purified recombinant isozyme ACO1 Solanum lycopersicum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-aminocyclopropane-1-carboxylate + ascorbate + O2
-
Solanum lycopersicum ethylene + cyanide + dehydroascorbate + CO2 + H2O
-
?
1-aminocyclopropane-1-carboxylate + L-ascorbate + O2 i.e. ACC Solanum lycopersicum ethylene + cyanide + dehydroascorbate + CO2 + H2O
-
?

Synonyms

Synonyms Comment Organism
ACO
-
Solanum lycopersicum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
29
-
-
Solanum lycopersicum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8 7.2
-
Solanum lycopersicum

pH Range

pH Minimum pH Maximum Comment Organism
5.8 8
-
Solanum lycopersicum