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1.2.3.4: oxalate oxidase

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

Word Map on EC 1.2.3.4

Reaction

oxalate
+
O2
= 2 CO2 +
H2O2

Synonyms

aero-oxalo dehydrogenase, Germin, Germin GF-2.8, Germin GF-3.8, germin-like oxidase, germin-like protein, gl-OXO, glp1, GLP2, HvOxo1, oxalate oxidase, oxalate oxidase GF-2.8, oxalate: O2 oxidoreductase, oxalate:oxygen oxidoreductase, oxalic acid oxidase, OXO, OXO-G, OXO1, OXO2, OXO3, OXO4, OxOx, TaOxo1, TaOxo2

ECTree

     1 Oxidoreductases
         1.2 Acting on the aldehyde or oxo group of donors
             1.2.3 With oxygen as acceptor
                1.2.3.4 oxalate oxidase

Inhibitors

Inhibitors on EC 1.2.3.4 - oxalate oxidase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
2-mercaptoethanol
8-hydroxyquinoline
acetate
competitive inhibition
alpha,alpha'-dipyridyl
arsenite
ascorbate
azide
Cl-
-
1 M concentration 75% inhibition
CuSO4
cyanide
diethyldithiocarbamate
Dithionite
dithiothreitol
-
-
Fe(NO3)2
-
1 mM concentration 98% inhibition; Fe(NO3)2 + EDTA 1 mM concentration 96% inhibition
Fe3+
-
10 mM concentration 35% inhibition
ferrous acetate
-
94% inhibition at 0.01 mM concentration; ferrous acetate + EDTA 96% inhibition at 0.01 mM concentration
FeSO4
-
-
fluoride
glutathione
glycolate
glyoxylate
the competitive inhibitor diminishes enzyme velocity at low concentrations of substrate but the velocity reaches uninhibited maximal levels at high concentrations of substrate
H2O2
-
hydrogen peroxide is both a reversible noncompetitive inhibitor of the OxOx catalyzed oxidation of oxalate and an irreversible inactivator. The build-up of the turnover-generated hydrogen peroxide product leads to the inactivation of the enzyme. The introduction of catalase to reaction mixtures protects the enzyme from inactivation allowing reactions to proceed to completion. No changes in global protein structure take place in the presence of hydrogen peroxide
H3PO4
-
76.9% residual activity at 0.1 mM
Hg2+
-
mM concentration
HgCl2
-
0.1 mM 36% inhibition
hydroxylamine
-
0.1 mM concentration 100% inhibition
iodacetamide
-
0.1 mM concentration 62% inhibition
Iodide
iodoacetate
K+
-
94% residual activity at 1 mM
KBr
-
1 mM concentration 58% inhibition
KCl
-
14% inhibition at 1 mM concentration
KCN
-
41% activity retained at 5 mM concentration
KI
-
1 mM concentration 94% inhibition
KNO3
-
-
L-cysteine
lignosulfonate
-
at a lignosulfonate concentration of 50 mg/ml and a pH of 3.8, 2-16% of the activity of oxalate oxidase remain
-
malate
the competitive inhibitor diminishes enzyme velocity at low concentrations of substrate but the velocity reaches uninhibited maximal levels at high concentrations of substrate
malonate
the competitive inhibitor diminishes enzyme velocity at low concentrations of substrate but the velocity reaches uninhibited maximal levels at high concentrations of substrate
N-ethylmaleimide
Na2SO4
-
48.4% residual activity at 0.1 mM
NaNO3
-
-
NEM
-
92% residual activity at 1 mM
NH4NO3
-
-
nitrate
nitrite
o-phenanthroline
-
0.1 mM concentration 26% inhibition
oxalate
-
substrate inhibition
oxaloacetic acid
-
-
Pb2+
-
2 mM concentration 57% inhibition, 20 mM concentration 89% inhibition
pyruvate
salicylate
-
-
SDS
-
isoforms OxO1-4, are very sensitive to 0.1% SDS with a nearly total loss of their enzyme activities
Semicarbazide
-
0.1 mM concentration 57% inhibition
Sodium azide
-
86% residual activity at 1 mM
Sodium molybdate
-
71% residual activity at 1 mM
Sodium nitrate
-
45% residual activity at 1 mM
sodium thiocyanate
-
72% residual activity at 1 mM
SrCl2
Sorghum sp.
-
slight inhibition at 0.5 mM concentration
succinate
competitive inhibition
ZnSO4
additional information
-