L-iditol 2-dehydrogenase

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 L-iditol:NAD 2-oxidoreductase. Other names in common use include polyol dehydrogenase, sorbitol dehydrogenase, L-iditol:NAD 5-oxidoreductase, L-iditol (sorbitol) dehydrogenase, glucitol dehydrogenase, L-iditol:NAD oxidoreductase, NAD-dependent sorbitol dehydrogenase, NAD-dependent sorbitol dehydrogenase, and NAD-sorbitol dehydrogenase. This enzyme participates in fructose and mannose metabolism.

Structural studies

As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes 1K2W, 1PL6, 1PL7, and 1PL8.

References

Bailey JP, Renz C, McGuinness ET (1981). "Sorbitol dehydrogenase from horse liver: purification, characterization and comparative properties". Comp. Biochem. Physiol. 69B: 909–914.
Burnell JN, Holmes RS (1983). "Purification and properties of sorbitol dehydrogenase from mouse liver". Int. J. Biochem. 15 (4): 507–11. doi:10.1016/0020-711X(83)90124-6. PMID 6852349.
Leissing N, McGuinness ET (1978). "Rapid affinity purification and properties of rat liver sorbitol dehydrogenase". Biochim. Biophys. Acta. 524 (2): 254–61. doi:10.1016/0005-2744(78)90162-6. PMID 667078.
Negm FB, Loescher WH (1979). "Detection and Characterization of Sorbitol Dehydrogenase from Apple Callus Tissue". Plant Physiol. 64 (1): 69–73. doi:10.1104/pp.64.1.69. PMC 543026. PMID 16660917.
O'Brien MM, Schofield PJ, Edwards MR (1983). "Polyol-pathway enzymes of human brain. Partial purification and properties of sorbitol dehydrogenase". Biochem. J. 211 (1): 81–90. doi:10.1042/bj2110081. PMC 1154331. PMID 6870831.

v t e 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: 3β 3β-HSD NSDHL 11β 11β-HSD1 11β-HSD2 17β
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 Alcohol 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

v t e Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Diffusion-limited enzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)

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