Enzyme Details

EC Classification

1.3.2.3

Enzyme name
(recommended)

L-galactonolactone dehydrogenase

Alternative names

L-galactono-1,4-lactone:ferricytochrome-c oxidoreductase
galactonolactone dehydrogenase
L-galactono-gamma-lactone dehydrogenase
L-galactono-gamma-lactone:ferricytochrome-c oxidoreductase
GLDHase
GLDase

Classification

Oxidoreductases

Acting on the CH-CH group of donors

With a cytochrome as acceptor

Catalyses reactions

2 Ferricytochrome c + L-Galactono-1,4-lactone <-> L-Ascorbate + 2 Ferrocytochrome c

2 Cytochrome c + L-Galactono-1,4-lactone <-> L-Ascorbate + 2 Reduced cytochrome c

2 Ferricytochrome c + L-Galactono-1,4-lactone <-> 2 H+ + L-Ascorbate + 2 Ferrocytochrome c

2 Ferricytochrome c + L-Gulono-1,4-lactone <-> 2 H+ + L-Ascorbate + 2 Ferrocytochrome c

L-Galactono-1,4-lactone + 2 Phenazine methosulfate <-> L-Ascorbate + 2 Reduced phenazine methosulfate

L-Galactono-1,4-lactone + 1,4-Benzoquinone <-> L-Ascorbate + Hydroquinone

External links

Expasy
KEGG
BRENDA
IntEnz (EBI)
IUBMB
Reactome
MetaCrop

View all entries for EC Class: 1.3.2.3