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Information on EC 1.3.2.3 - L-galactonolactone dehydrogenase and Organism(s) Oryza sativa and UniProt Accession Q2QXY1

for references in articles please use BRENDA:EC1.3.2.3
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IUBMB Comments
This enzyme catalyses the final step in the biosynthesis of L-ascorbic acid in higher plants and in nearly all higher animals with the exception of primates and some birds . The enzyme is very specific for its substrate L-galactono-1,4-lactone as D-galactono-gamma-lactone, D-gulono-gamma-lactone, L-gulono-gamma-lactone, D-erythronic-gamma-lactone, D-xylonic-gamma-lactone, L-mannono-gamma-lactone, D-galactonate, D-glucuronate and D-gluconate are not substrates . FAD, NAD+, NADP+ and O2 (cf. EC 1.3.3.12, L-galactonolactone oxidase) cannot act as electron acceptor .
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Oryza sativa
UNIPROT: Q2QXY1
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The taxonomic range for the selected organisms is: Oryza sativa
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Synonyms
l-galactono-1,4-lactone dehydrogenase, galldh, l-galactono-gamma-lactone dehydrogenase, ferricytochrome c oxidoreductase, l-galldh, gldhase, galactono-1,4-lactone dehydrogenase, gldase, l-galactonolactone dehydrogenase, galactonolactone dehydrogenase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
dehydrogenase, galactonolactone
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L-galactono-1,4-lactone dehydrogenase
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L-galactono-gamma-lactone dehydrogenase
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
redox reaction
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oxidation
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reduction
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SYSTEMATIC NAME
IUBMB Comments
L-galactono-1,4-lactone:ferricytochrome-c oxidoreductase
This enzyme catalyses the final step in the biosynthesis of L-ascorbic acid in higher plants and in nearly all higher animals with the exception of primates and some birds [5]. The enzyme is very specific for its substrate L-galactono-1,4-lactone as D-galactono-gamma-lactone, D-gulono-gamma-lactone, L-gulono-gamma-lactone, D-erythronic-gamma-lactone, D-xylonic-gamma-lactone, L-mannono-gamma-lactone, D-galactonate, D-glucuronate and D-gluconate are not substrates [5]. FAD, NAD+, NADP+ and O2 (cf. EC 1.3.3.12, L-galactonolactone oxidase) cannot act as electron acceptor [5].
CAS REGISTRY NUMBER
COMMENTARY hide
9029-02-1
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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
menthofuran
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GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
malfunction
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
GLDH sense and antisense are transformed into rice callus by Agrobacterium-mediated infection (strain EHA105)
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overexpressed in lettuce Agrobacterium-mediated transformation
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REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Liu, Y.; Yu, L.; Wang, R.
Level of ascorbic acid in transgenic rice for l-galactono-1,4-lactone dehydrogenase overexpressing or suppressed is associated with plant growth and seed set
Acta Physiol. Plant.
33
1353-1363
2011
Oryza sativa
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Manually annotated by BRENDA team
Liu, Y.; Yu, L.; Tong, J.; Ding, J.; Wang, R.; Lu, Y.; Xiao, L.
Tiller number is altered in the ascorbic acid-deficient rice suppressed for L-galactono-1,4-lactone dehydrogenase
J. Plant Physiol.
170
389-396
2013
Oryza sativa
Manually annotated by BRENDA team
Guo, X.; Liu, R.; Fu, X.; Sun, X.; Tang, K.
Over-expression of L-galactono-gamma-lactone dehydrogenase increases vitamin C, total phenolics and antioxidant activity in lettuce through bio-fortification
Plant Cell Tissue Organ Cult.
114
225-236
2013
Oryza sativa
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Manually annotated by BRENDA team