Estornell 1992 FEBS Letters

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Estornell E, Fato R, Castelluccio C, Cavazzoni M, Parenti Castelli G, Lenaz G (1992) Saturation kinetics of coenzyme Q in NADH and succinate oxidation in beef heart mitochondria. FEBS Letters 311:107-9.


Estornell E, Fato R, Castelluccio C, Cavazzoni M, Parenti Castelli G, Lenaz G (1992) FEBS Letters

Abstract: The saturation kinetics of NADH and succinate oxidation for Coenzyme Q (CoQ) has been re-investigated in pentane-extracted lyophilized beef heart mitochondria reconstituted with exogenous CoQ10. The apparent 'Km' for CoQ10 was one order of magnitude lower in succinate cytochrome c reductase than in NADH cytochrome c reductase. The Km value in NADH oxidation approaches the natural CoQ content of beef heart mitochondria, whereas that in succinate oxidation is close to the content of respiratory chain enzymes.

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  • Komlódi T, Cardoso LHD, Doerrier C, Moore AL, Rich PR, Gnaiger E (2021) Coupling and pathway control of coenzyme Q redox state and respiration in isolated mitochondria. Bioenerg Commun 2021.3. https://doi.org/10.26124/bec:2021-0003
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