Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 1.10.3.3 extracted from

  • White, G.A.; Krupka, R.M.
    Ascorbic acid oxidase and ascorbic acid oxygenase of Myrothecium verrucaria (1965), Arch. Biochem. Biophys., 110, 448-461.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
2,2'-bipyridyl stimulation Albifimbria verrucaria
ethanol stimulation Albifimbria verrucaria
H2O2 stimulation at low concentration, 0.056 mM Albifimbria verrucaria
iodoacetate stimulation Albifimbria verrucaria
o-phenanthroline stimulation Albifimbria verrucaria
p-chloromercuribenzoate stimulation Albifimbria verrucaria

General Stability

General Stability Organism
stable to dialysis against EDTA or cyanide Albifimbria verrucaria

Inhibitors

Inhibitors Comment Organism Structure
cyanide very slight Albifimbria verrucaria
ethyl xanthate
-
Albifimbria verrucaria
Fenton's reagent Fe2+ + H2O2 + 2 H+ Albifimbria verrucaria
H2O2 inhibition at 5.6 mM, stimulation at 0.56 mM Albifimbria verrucaria
KNO3
-
Albifimbria verrucaria
Lauryl sulfate
-
Albifimbria verrucaria
additional information reaction inactivation: progressive loss of activity during oxidation of ascorbic acid, not inhibited by diethyldithiocarbamate Albifimbria verrucaria
NaNO2
-
Albifimbria verrucaria
Nitrofurantoin slight Albifimbria verrucaria

Metals/Ions

Metals/Ions Comment Organism Structure
additional information no support of a metal in the enzyme Albifimbria verrucaria

Organism

Organism UniProt Comment Textmining
Albifimbria verrucaria
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Albifimbria verrucaria

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 L-ascorbate + O2 highly specific for ascorbic acid and a few of its analogs and O2 Albifimbria verrucaria 2 L-dehydroascorbate + 2 H2O
-
?