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Enzymes and Coenzymes > Enzymes > Oxidoreductases > NADH, NADPH Oxidoreductases > Quinone Reductases

Preferred term

Quinone Reductases  

Type

  • Topical Descriptor

Broader concept

Narrower concepts

Entry terms

  • Menaquinone Reductases
  • Reductases, Menaquinone

Scope note

  • NAD(P)H:(quinone acceptor) oxidoreductases. A family that includes three enzymes which are distinguished by their sensitivity to various inhibitors. EC 1.6.99.2 (NAD(P)H DEHYDROGENASE (QUINONE);) is a flavoprotein which reduces various quinones in the presence of NADH or NADPH and is inhibited by dicoumarol. EC 1.6.99.5 (NADH dehydrogenase (quinone)) requires NADH, is inhibited by AMP and 2,4-dinitrophenol but not by dicoumarol or folic acid derivatives. EC 1.6.99.6 (NADPH dehydrogenase (quinone)) requires NADPH and is inhibited by dicoumarol and folic acid derivatives but not by 2,4-dinitrophenol.

History note

  • 86(75); was see under NADH, NADPH OXIDOREDUCTASES 1975-85

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URI

http://www.yso.fi/onto/mesh/D011808

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