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Difference between revisions of "Hatefi 1962 J Biol Chem-XLI"

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{{Publication
{{Publication
|title=Hatefi Y, Haavik AG, Griffiths DE (1962) Studies on the electron transfer system XLI. Reduced coenzyme Q (QH2)-cytochrome c reductase. J Biol Chem 237:1681-85.
|title=Hatefi Y, Haavik AG, Griffiths DE (1962) Studies on the electron transfer system XLI. Reduced coenzyme Q (QH2)-cytochrome c reductase. J Biol Chem 237:1681-5.
|info=[http://www.jbc.org/content/237/5/1681.long PMID: 13905328 Open Access]
|info=[http://www.ncbi.nlm.nih.gov/pubmed/13905328 PMID: 13905328 Open Access]; [http://www.jbc.org/content/237/5/1681.long PDF]
|authors=Hatefi Y, Haavik AG, Griffiths DE
|authors=Hatefi Y, Haavik AG, Griffiths DE
|year=1962
|year=1962

Revision as of 10:33, 28 May 2015

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Hatefi Y, Haavik AG, Griffiths DE (1962) Studies on the electron transfer system XLI. Reduced coenzyme Q (QH2)-cytochrome c reductase. J Biol Chem 237:1681-5.

Β» PMID: 13905328 Open Access; PDF

Hatefi Y, Haavik AG, Griffiths DE (1962) J Biol Chem

Abstract: The preparation from beef heart mitochondria and the properties, of a highly active and stable enzyme system, capable of catalyzing the reduction of cytochrome c by reduced coenzyme Q2 are described. The enzyme complex contains cytochrome b and cytochrome c1 in high concentration, and is free of cytochrome c oxidase, cytochrome c, flavoproteins, and the citric acid cycle dehydrogenases. The activity of the enzyme corresponds to a QO2, of about 320,000 at 38Β°. This activity is strongly inhibited by antimycin A, 2-nonyl-4-hydroxy-quinoline-N-oxide, and 2-alkyl-3-hydroxynaphthoquinone. Amytal, thenoyltrifluoroacetone, and a number of specific metal-chelating compounds are ineffective as inhibitors. β€’ Keywords: Q-junction, Coenzyme Q, Reduced coenzyme Q (QH2), Cytochrome c reductase, Beef heart


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Organism: Bovines  Tissue;cell: Heart  Preparation: Isolated mitochondria  Enzyme: Complex IV;cytochrome c oxidase  Regulation: Substrate  Coupling state: ETS"ETS" is not in the list (LEAK, ROUTINE, OXPHOS, ET) of allowed values for the "Coupling states" property. 


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