Galactose 1-dehydrogenase (NADP+)

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD⁺ or NADP⁺ as acceptor. The systematic name of this enzyme class is D-galactose:NADP⁺ 1-oxidoreductase. Other names in common use include D-galactose dehydrogenase (NADP⁺), and galactose 1-dehydrogenase (NADP⁺). This enzyme participates in galactose metabolism.

References

Cline AL, Hu AS (1965). "The isolation of three sugar dehydrogenases from a psuedomonad [sic]". J. Biol. Chem. 240 (11): 4488–92. PMID 5845847.
Cline AL, Hu AS (1965). "Enzymatic characterization and comparison of three sugar dehydrogenases from a pseudomonad". J. Biol. Chem. 240 (11): 4493–7. PMID 5845848.
Cline AL, Hu AS (1965). "Some physical properties of three sugar dehydrogenases from a pseudomonad". J. Biol. Chem. 240 (11): 4498–502. PMID 5845849.
Schiwara HW, Domagk GF (1968). "Über den Abbau der Desoxyzucker durch Bakterienenzyme, V. Anreicherung und Charakterisierung einer NADP-abhängigen Abequosedehydrogenase aus Pseudomonas putida" [Degradation of deoxysurgars by bacterial enzymes. V. Purification and characterization of an NADP-dependent abequose dehydrogenase from Pseudomonas putida]. Hoppe. Seylers. Z. Physiol. Chem. (in German). 349 (10): 1321–9. doi:10.1515/bchm2.1968.349.2.1321. PMID 4387016.

Oxidoreductases: alcohol oxidoreductases (EC 1.1)

1.1.1: NAD/NADP acceptor	3-hydroxyacyl-CoA dehydrogenase 3-hydroxybutyryl-CoA dehydrogenase Alcohol dehydrogenase Aldo-keto reductase 1A1 1B1 1B10 1C1 1C3 1C4 7A2 Aldose reductase Beta-Ketoacyl ACP reductase Carbohydrate dehydrogenases Carnitine dehydrogenase D-malate dehydrogenase (decarboxylating) DXP reductoisomerase Glucose-6-phosphate dehydrogenase Glycerol-3-phosphate dehydrogenase HMG-CoA reductase IMP dehydrogenase Isocitrate dehydrogenase Lactate dehydrogenase L-threonine dehydrogenase L-xylulose reductase Malate dehydrogenase Malate dehydrogenase (decarboxylating) Malate dehydrogenase (NADP+) Malate dehydrogenase (oxaloacetate-decarboxylating) Malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) Phosphogluconate dehydrogenase Sorbitol dehydrogenase Hydroxysteroid dehydrogenase: 3 Beta 3-beta-HSD NSDHL 11 Beta HSD11B1 HSD11B2 17 Beta

1.1.2: cytochrome acceptor	D-lactate dehydrogenase (cytochrome) D-lactate dehydrogenase (cytochrome c-553) Mannitol dehydrogenase (cytochrome)

1.1.3: oxygen acceptor	Glucose oxidase L-gulonolactone oxidase Xanthine oxidase

1.1.4: disulfide as acceptor	Vitamin K epoxide reductase Vitamin-K-epoxide reductase (warfarin-insensitive)

1.1.5: quinone/similar acceptor	Malate dehydrogenase (quinone) Quinoprotein glucose dehydrogenase

1.1.99: other acceptors	Choline dehydrogenase L2HGDH

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list)

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