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Literature summary extracted from

  • Murata, K.; Sugihara, M.; Nakamura, N.; Ohno, H.
    Ascorbate oxidase-catalyzed electrochemical reduction of dioxygen using 2,6-dichloroindophenol as an electron-transfer mediator (2006), Chem. Lett., 35, 1232-1233.
No PubMed abstract available

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.10.3.3 Cu2+ a multicopper oxidase, contains type 1 Cu2+, binding residues are His445, Cys507, His512, and Met517 Acremonium sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.10.3.3 2 L-ascorbic acid + O2 Acremonium sp.
-
 2 L-dehydroascorbic acid + 2 H2O
-
 ?
1.10.3.3 2 L-ascorbic acid + O2 Acremonium sp. HI-25
-
 2 L-dehydroascorbic acid + 2 H2O
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.10.3.3 Acremonium sp.
-
-
-
1.10.3.3 Acremonium sp. HI-25
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.10.3.3 2 L-ascorbic acid + O2
-
 Acremonium sp. 2 L-dehydroascorbic acid + 2 H2O
-
 ?
1.10.3.3 2 L-ascorbic acid + O2
-
 Acremonium sp. HI-25 2 L-dehydroascorbic acid + 2 H2O
-
 ?
1.10.3.3 2,6-dichloroindophenol + O2 2,6-dichloroindophenol is an effective electron-transfer mediator for the enzyme, while ferrocyanide and cytochrome c are poor mediators Acremonium sp. oxidized 2,6-dichloroindophenol + H2O
-
 ?
1.10.3.3 2,6-dichloroindophenol + O2 2,6-dichloroindophenol is an effective electron-transfer mediator for the enzyme, while ferrocyanide and cytochrome c are poor mediators Acremonium sp. HI-25 oxidized 2,6-dichloroindophenol + H2O
-
 ?
1.10.3.3 additional information the active site binding pocket of ascorbate oxidase is specific for ascorbate10 and the electron transfer of ascorbate oxidase is strongly dependent on the nature of the electron donor, overview Acremonium sp. ?
-
 ?
1.10.3.3 additional information the active site binding pocket of ascorbate oxidase is specific for ascorbate10 and the electron transfer of ascorbate oxidase is strongly dependent on the nature of the electron donor, overview Acremonium sp. HI-25 ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.10.3.3 ascorbate oxidase
-
 Acremonium sp.
1.10.3.3 ASOM
-
 Acremonium sp.

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.10.3.3 25
-
 assay at Acremonium sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.10.3.3 4.5
-
 ascorbate oxidation optimum Acremonium sp.
1.10.3.3 7.5
-
 optimum for the electrochemical catalytic reaction Acremonium sp.

pH Range

EC Number pH Minimum pH Maximum Comment Organism
1.10.3.3 additional information
-
 pH profile, overview Acremonium sp.