Any of a class of compounds that occur in all living cells and that act as electron-transfer agents in cell respiration. They are substituted quinones.
- The regulation of this biosynthetic pathway at the mitochondrial level depends on the ubiquinone, the alternative oxidase and a species-specific uncoupling protein.
- Antioxidant compounds such as vitamins C and E, lipoic acid, ubiquinones, superoxide dismutase, catalase, and glucathione peroxidase can limit oxidative damage.
- Interactions of organic molecules such as dihydropyridines, ubiquinone, tryptophan, and halothane with lipid bilayers have been studied through molecular dynamics simulations.
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