1.1.1.48: D-galactose 1-dehydrogenase
This is an abbreviated version!
For detailed information about D-galactose 1-dehydrogenase, go to the full flat file.
Reaction
Synonyms
beta-galactose dehydrogenase, D-galactose dehydrogenase, D-galactose: NAD+ 1-oxidoreductase, D-galactose:NAD+ oxidoreductase, GADH, GALDH, NAD-dependent D-galactose dehydrogenase
ECTree
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Reaction
Reaction on EC 1.1.1.48 - D-galactose 1-dehydrogenase
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D-galactose + NAD+ = D-galactono-1,4-lactone + NADH + H+
B-type enzyme with regard to stereochemistry, transfers hydrogen from carbon-1 of D-galactose to si face of NAD, in the reverse reaction the pro-S hydrogen atom from carbon-4 of NAD(P)H is transferred to the re face of carbon-1 of D-galactono-1,5-lactone
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D-galactose + NAD+ = D-galactono-1,4-lactone + NADH + H+
B-type enzyme with regard to stereochemistry, transfers hydrogen from carbon-1 of D-galactose to si face of NAD, in the reverse reaction the pro-S hydrogen atom from carbon-4 of NAD(P)H is transferred to the re face of carbon-1 of D-galactono-1,5-lactone
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D-galactose + NAD+ = D-galactono-1,4-lactone + NADH + H+
depending on the pH, the immediately formed D-galactono-1,5-lactone rearranges intramolecularly to the corresponding 1,4-lactone or hydrolyzes to D-galctonate or both
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D-galactose + NAD+ = D-galactono-1,4-lactone + NADH + H+
depending on the pH, the immediately formed D-galactono-1,5-lactone rearranges intramolecularly to the corresponding 1,4-lactone or hydrolyzes to D-galctonate or both
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