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Literature summary for 1.1.3.8 extracted from

  • Maruta, T.; Ichikawa, Y.; Mieda, T.; Takeda, T.; Tamoi, M.; Yabuta, Y.; Ishikawa, T.; Shigeoka, S.
    The contribution of Arabidopsis homologs of L-gulono-1,4-lactone oxidase to the biosynthesis of ascorbic acid (2010), Biosci. Biotechnol. Biochem., 74, 1494-1497.
    View publication on PubMed
Search for more literature for 1.1.3.8

Cloned(Commentary)

Cloned (Comment) Organism
gene AtGulLO2, transgenic expression of the isozyme in Nicotiana tabacum BY-2 cells, the overexpression does not affect the cells. Expression of His-tagged isozyme in Escherichia coli strain BL21(DE3)pLysS is not successful Arabidopsis thaliana
gene AtGulLO3, transgenic expression of the isozyme in Nicotiana tabacum BY-2 cells, the overexpression does not affect the cells. Expression of His-tagged isozyme in Escherichia coli strain BL21(DE3)pLysS is not successful Arabidopsis thaliana
gene AtGulLO5, transgenic expression of the isozyme in Nicotiana tabacum BY-2 cells, the overexpression does not affect the cells. Expression of His-tagged isozyme in Escherichia coli strain BL21(DE3)pLysS is not successful Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-gulono-1,4-lactone + O2 Arabidopsis thaliana
-
 L-ascorbate + H2O2
-
 ?
additional information Arabidopsis thaliana the enzyme catalyzes the reaction of L-gulonolactone oxidase, EC 1.1.3.8, producting L-ascorbate, but has sequence similarities to D-arabinono-1,4-lactone oxidase, EC 1.1.3.37 ?
-
 ?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana O81030 AtGulLO5; isozyme AtGulLO5
-
Arabidopsis thaliana Q6NQ66 AtGulLO2; isozyme AtGulLO2
-
Arabidopsis thaliana Q9LYD8 AtGulLO3; isozyme AtGulLO3
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-gulono-1,4-lactone + O2
-
 Arabidopsis thaliana L-ascorbate + H2O2
-
 ?
additional information the enzyme catalyzes the reaction of L-gulonolactone oxidase, EC 1.1.3.8, producting L-ascorbate, but has sequence similarities to D-arabinono-1,4-lactone oxidase, EC 1.1.3.37 Arabidopsis thaliana ?
-
 ?

Synonyms

Synonyms Comment Organism
AtGulLO2
-
 Arabidopsis thaliana
AtGulLO3
-
 Arabidopsis thaliana
AtGulLO5
-
 Arabidopsis thaliana
L-GulL oxidase
-
 Arabidopsis thaliana
L-gulono-1,4-lactone oxidase
-
 Arabidopsis thaliana

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
 assay at Arabidopsis thaliana

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
 assay at Arabidopsis thaliana

Expression

Organism Comment Expression
Arabidopsis thaliana L-gulono-1,4-lactone induces the enzyme, overview up