Carbohydrate dehydrogenase

Short description: Class of enzymes

Carbohydrate dehydrogenases are a group of dehydrogenase enzymes that occur in many organisms and facilitate the conversion from a carbohydrate to an aldehyde, lactone, or ketose.

Carbohydrate dehydrogenases are the most common quinoprotein oxidoreductases,[1] which are enzymes that oxidize a wide range of molecules.

An example includes L-gulonolactone oxidase.

They are categorized under EC number 1.1. More specifically, they are in three subcodes: 1, 2, and 99, categorized as follows:

* EC 1.1.1 With NAD or NADP as acceptor
* EC 1.1.2 With a cytochrome as acceptor
* EC 1.1.99 With other acceptors

## References

1. ↑ Kulys, Juozas; Tetianec, Lidija; Bratkovskaja, Irina (2010). "Pyrroloquinoline quinone-dependent carbohydrate dehydrogenase: Activity enhancement and the role of artificial electron acceptors". Biotechnology Journal 5 (8): 822–828. doi:10.1002/biot.201000119. PMID 20669254.

## External links

* Carbohydrate+Dehydrogenases at the US National Library of Medicine Medical Subject Headings (MeSH)

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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

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

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