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1.14.17.4: aminocyclopropanecarboxylate oxidase

This is an abbreviated version!
For detailed information about aminocyclopropanecarboxylate oxidase, go to the full flat file.

Word Map on EC 1.14.17.4

Reaction

1-aminocyclopropane-1-carboxylate
+
ascorbate
+
O2
=
Ethene
+
cyanide
+
dehydroascorbate
+
CO2
+ 2 H2O

Synonyms

1-aminocyclopropane-1-carboxylate oxidase, 1-aminocyclopropane-1-carboxylic acid oxidase, 1-aminocyclopropane-1-carboxylic acid oxidase (gene CM-ACO1), 1-aminocyclopropane-1-carboxylic oxidase, 1-aminocyclopropyl-1-carboxylic acid oxidase, ACC oxidase, ACC oxidase 1, ACC oxidase 2, ACC-oxidase, ACCO, ACCO1, ACO, Aco1, Aco2, Aco3, ACO4, ACO6, aminocyclopropane-1-carboxylate oxidase, aminocyclopropane-2-carboxylic oxidase, AsACO, AtACO1, ethylene-forming enzyme, LeACO1, LeACO4, Ls-ACO1, Ls-ACO2, Ls-ACO3, MD-ACO1, MD-ACO2, MD-ACO3, NsACO, oxidase, aminocyclopropanecarboxylate, PgACO, PmACO, PsACO, TR-ACO1p, TR-ACO2p, TR-ACO3p, TR-ACO4p, ZmACO

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.17 With reduced ascorbate as one donor, and incorporation of one atom of oxygen into the other donor
                1.14.17.4 aminocyclopropanecarboxylate oxidase

Inhibitors

Inhibitors on EC 1.14.17.4 - aminocyclopropanecarboxylate oxidase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
(1-amino-1-methyl)ethylphosphonic acid
-
competitive inhibitor versus both 1-aminocyclopropane-1-carboxylate and bicarbonate
1,10-phenanthroline
1-aminocyclopropane-1-carboxylate
-
slight inhibition at high concentration
1-aminocyclopropane-1-phosphonic acid
-
competitive inhibitor versus both 1-aminocyclopropane-1-carboxylate and bicarbonate
2,4,6-Trinitrobenzenesulfonate
-
5 mM, 0.7% residual activity
2,4-dinitrophenol
-
1 mM, 40% residual activity
2-aminoisobutyric acid
2-aminooxyisobutyric acid
inhibits the in vitro activities of both 1-aminocyclopropane-1-carboxylate (ACC) synthase and ACC oxidase in ethylene biosynthetic pathway, 16.3% inhibition of recombinnat enzyme at 10 mM
2-oxoglutarate
-
at 1 mM
4-Chloromercuriphenylsulfonate
-
1 mM, 1.7% residual activity
8-hydroxyquinoline
-
-
alpha-aminoisobutyric acid
ascorbate
-
required in vitro, inhibitory in vivo
carbonyl sulfide
-
in presence of HCO3-, noncompetitive and irreversible, not at CO2-binding site
catalase
-
-
-
cyanide
-
inhibitory beyond 1 mM
cyclopropyl-1-aminocyclopropane-1-carboxylate
D-alanine
-
competitive to 1-aminocyclopropane-1-carboxylate
D-alpha-aminobutyric acid
-
competitive to 1-aminocyclopropane-1-carboxylate
diethyl dicarbonate
-
complete inactivation at 1.5 mM, pH 6.8, after 20 min
N-ethylmaleimide
-
1 mM, 10% residual activity
n-propyl gallate
N2
-
complete inhibition of enzyme in anaerobic N2-atmosphere, reversible
p-chloromercuribenzoate
-
-
p-chloromercuriphenylsulfonate
-
-
pyridoxal 5'-phosphate
a competitive inhibitor of enzyme ACCO with respect to ascorbate. Pyridoxal 5'-phosphate may form a Schiff base with the 1-amino group of lysine blocking a binding site for ascorbate
Salicylhydroxamic acid
-
1 mM, 15% residual activity
additional information
-