1.1.3.8: L-gulonolactone oxidase
This is an abbreviated version!
For detailed information about L-gulonolactone oxidase, go to the full flat file.
Word Map on EC 1.1.3.8
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1.1.3.8
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l-ascorbic
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scurvy
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scurvy-prone
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levoglucosenone
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scorbutic
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dibenzothiophene
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shionogi
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lemongrass
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l-galactono-1,4-lactone
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nutrition
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medicine
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molecular biology
- 1.1.3.8
-
l-ascorbic
- scurvy
-
scurvy-prone
-
levoglucosenone
-
scorbutic
- dibenzothiophene
-
shionogi
-
lemongrass
- l-galactono-1,4-lactone
- nutrition
- medicine
- molecular biology
Reaction
Synonyms
At5g11540, AtGulLO2, AtGulLO3, AtGulLO5, GLO, GLOase, GulLO, GulLO3, GulLO5, GULO, gulonolactone oxidase, L-GulL oxidase, L-gulono-1,4-lactone dehydrogenase, L-gulono-1,4-lactone oxidase, L-gulono-gamma-lactone dehydrogenase, L-gulono-gamma-lactone oxidase, L-gulono-gamma-lactone: O2 oxidoreductase, L-gulono-gamma-lactone:oxidoreductase, L-gulonolactone oxidase, LGO
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Natural Substrates Products
Natural Substrates Products on EC 1.1.3.8 - L-gulonolactone oxidase
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REACTION DIAGRAM
L-gulono-1,4-lactone + O2
L-ascorbate + H2O2
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L-gulono-1,4-lactone + O2
L-ascorbate + H2O2
during the catalytic reaction by Gulo, flavin accepts 2 electrons from the substrate l-gulono-gamma-lactone, thus undergoing a reduction, followed by oxidation through molecular oxygen, with the reaction presumably involving the ALO domain. Through this process, 2-oxo-l-gulono-gamma-lactone and hydrogen peroxide are produced, and L-ascorbic acid is formed by nonenzymatic isomerisation of the former product
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L-gulono-1,4-lactone + O2
L-xylo-hex-3-ulonolactone + H2O2
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L-gulono-1,4-lactone + O2
L-xylo-hex-3-ulonolactone + H2O2
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the enzyme has a configurational specificity for the hydroxyl group at C(2)
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?
L-gulono-1,4-lactone + O2
L-xylo-hex-3-ulonolactone + H2O2
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?
L-gulono-1,4-lactone + O2
L-xylo-hex-3-ulonolactone + H2O2
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?
L-gulono-1,4-lactone + O2
L-xylo-hex-3-ulonolactone + H2O2
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?
L-gulono-1,4-lactone + O2
L-xylo-hex-3-ulonolactone + H2O2
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636305, 636306, 636307, 636309, 636310, 636311, 636315, 636317, 636319, 636320, 636321, 636322, 636323, 636324, 636325
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L-gulono-1,4-lactone + O2
L-xylo-hex-3-ulonolactone + H2O2
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the enzyme has a configurational specificity for the hydroxyl group at C(2)
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?
L-gulono-1,4-lactone + O2
L-xylo-hex-3-ulonolactone + H2O2
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key enzyme for L-ascorbic acid biosynthesis
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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
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additional information
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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
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additional information
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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
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additional information
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examination of metabolic role of vitamin C synthesis in cells or animals that, during evolution, have lost the ability to make ascorbic acid
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additional information
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examination of metabolic role of vitamin C synthesis in cells or animals that, during evolution, have lost the ability to make ascorbic acid
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additional information
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presence of a alternative pathway for vitamin C production in plants which can circumvent steps of the D-mannose pathway
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