1.10.3.3: L-ascorbate oxidase

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

Word Map on EC 1.10.3.3

Reaction

4 L-ascorbate +

O2
= 4 monodehydroascorbate + 2 H2O

Synonyms

AA oxidase, AA-ox, AAO, AAO1, AAO2, AAO3, Aao4, AO1, AO4, AOase, ASC oxidase, ascorbase, ascorbate dehydrogenase, ascorbate oxidase, ascorbic acid oxidase, ascorbic oxidase, ASOM, L-ascorbate:O2 oxidoreductase, L-ascorbic acid oxidase, oxidase, ascorbate

ECTree

     1 Oxidoreductases
         1.10 Acting on diphenols and related substances as donors
             1.10.3 With oxygen as acceptor
                1.10.3.3 L-ascorbate oxidase

Inhibitors

Inhibitors on EC 1.10.3.3 - L-ascorbate oxidase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
3,4,5-hydroxybenzoic acid propyl ester
Cucurbita pepo condensa
-
-
3,4-Dichlorophenylserine
Cucurbita pepo condensa
-
-
8-hydroxyquinoline
Ag+
Cucurbita pepo medullosa
-
inhibition of intramolecular electron transfer, mechnanism
alpha-tocopherol
Cucurbita pepo condensa
-
-
Anthocyanin pigments
Cucurbita pepo condensa
-
-
-
Auxin analogs
Cucurbita pepo condensa
-
-
-
azide
Carotenes
Cucurbita pepo condensa
-
-
-
Cd2+
-
cadmium-induced inhibition of apoplastic isozyme in barley roots, 50% inhibition of root growth at 1.0 mM 72 h after the treatment, root growth inhibition due to excess Cd is accompanied by a corresponding loss of plasma membrane integrity in root cells, cationic isozyme C1 is activated by Cd2+
citrate
Cucurbita pepo condensa
-
univalent anion, competitive vs. ascorbate
Cu2+
Cucurbita pepo condensa
-
-
Cupferron
Cucurbita pepo condensa
-
-
cyanide
deoxycorticosterone
Cucurbita pepo condensa
-
-
diethyldithiocarbamate
ethyl xanthate
Fe3+
-
1 mM, 91% inhibition
Fenton's reagent
-
Fe2+ + H2O2 + 2 H+
Hg2+
Cucurbita pepo condensa
-
0.01 mM, appreciable inhibition
iodoacetate
Cucurbita pepo condensa
-
-
Lauryl sulfate
-
-
leucocyanidol
Cucurbita pepo condensa
-
-
Metabisulfite
-
complete inhibition
Ni2+
Cucurbita pepo condensa
-
some authors found inhibition, others not
Nitrofurantoin
-
slight
nordihydroguaiaretic acid
Cucurbita pepo condensa
-
-
o-fluorophenol
-
-
organic mercurials
Cucurbita pepo condensa
-
-
-
p-chlorophenol
Cucurbita pepo medullosa
-
-
p-Cresol
Cucurbita pepo medullosa
-
-
p-cyanophenol
Cucurbita pepo medullosa
-
-
p-fluorophenol
-
-
p-mercuribenzoate
Cucurbita pepo condensa
-
some authors report inhibition, others do not
p-nitrophenol
Cucurbita pepo medullosa
-
-
phenol
Cucurbita pepo medullosa
-
-
Piperazine N,N'-bis(2-ethanesulfonic acid)
Cucurbita pepo condensa
-
anions
Pyridine-KCNS
Cucurbita pepo condensa
-
-
-
Salicylaldoxime
Cucurbita pepo condensa
-
-
SO2
Cucurbita pepo condensa
-
-
Tetraethylthiuramidisulfide
Cucurbita pepo condensa
-
-
thiamine
Cucurbita pepo condensa
-
-
thiocyanate
Cucurbita pepo medullosa
-
weak inhibition, mixed-type inhibition
Thiourea
Zn2+
Cucurbita pepo condensa
-
some authors found inhibition, others not
additional information
-