From: Steady-state kinetic analysis of mitochondrial respiratory enzymes from bovine heart mitochondria
Varied substrates | Vmax | Vmax unit | Km | Km unit | Indirect kcat(s−1) | |
---|---|---|---|---|---|---|
NADH: Ubiquinone oxidoreductase | NADH | 0.2909 ± 0.0405 | μM·s−1 | 11.2397 ± 5.7066 | μM | 0.2644 ± 0.0368* |
UQ | 0.3667 (95% CI 0.3048–0.4640) | 12.5676 (95% CI 5.9611–25.9138) | 0.3334* (95% CI 0.2771–0.4218) | |||
Succinate dehydrogenase | Succinate | 0.3197 ± 0.0759 | 48.5691 ± 22.5309α | 0.2459 ± 0.0584* | ||
12.1423 ± 5.6327β,* | mM | |||||
DUQ | 0.2095 (95% CI 0.1731–0.2666) | 9.7331α (95% CI 4.2749–21.0149) | μM | 0.1612* (95% CI 0.1332–0.2051) | ||
6.0832γ,* (95% CI 2.6718–13.1343) | ||||||
Coenzyme Q: cytochrome c oxidoreductase | DUQH2 | 0.1827 ± 0.0287 | 5.1969 ± 2.4045 | 0.0609 ± 0.0096* | ||
Oxidized Cytc | 0.2071 (95% CI 0.1601–0.2893) | 37.8970 (95% CI 17.9899–79.0282) | 0.0690* (95% CI 0.0534–0.0964) | |||
Cytochrome c oxidase | Reduced Cytc | 1.4380 ± 0.4977 | 126.7201 ± 69.9096 | 0.2146 ± 0.0743* |