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Literature summary for 1.1.3.8 extracted from

  • Eliceiri, G.L.; Lai, E.K.; McCay, P.B.
    Gulonolactone oxidase. Solubilization, properties, and partial purification (1969), J. Biol. Chem., 244, 2641-2645.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
phenazine methosulfate under aerobic conditions activity enhancement, under anaerobic conditions electron acceptor Rattus norvegicus
potassium ferricyanide under aerobic conditions activity enhancement, under anaerobic conditions electron acceptor Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome integral membrane protein in the endoplasmic reticulum Rattus norvegicus
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
450000
-
gel filtration Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-gulono-1,4-lactone + O2 Rattus norvegicus
-
L-xylo-hex-3-ulonolactone + H2O2
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Reaction

Reaction Comment Organism Reaction ID
L-gulono-1,4-lactone + O2 = L-xylo-hex-2-ulono-1,4-lactone + H2O2 product isomerizes spontaneously to L-ascorbate Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Storage Stability

Storage Stability Organism
4°C, 2 weeks, 90% activity loss Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-gulono-1,4-lactone + O2
-
Rattus norvegicus L-xylo-hex-3-ulonolactone + H2O2
-
?
L-gulono-1,4-lactone + O2
-
Rattus norvegicus L-xylo-hex-3-ulonolactone + H2O2 product isomerizes spontaneously to L-ascorbate ?
L-gulono-1,4-lactone + phenazine methosulfate + O2 reaction also takes place under anaerobic conditions Rattus norvegicus L-ascorbic acid + ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
Rattus norvegicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
49
-
10 min 10% activity Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
Rattus norvegicus

pH Range

pH Minimum pH Maximum Comment Organism
6.5 8.3 activity stable Rattus norvegicus