Definition: A lipid-soluble benzoquinone which is involved in ELECTRON TRANSPORT in mitochondrial preparations. The compound occurs in the majority of aerobic organisms, from bacteria to higher plants and animals.
coenzyme Q10 [ 2,3-dimethoxy-5-methyl-6-decaprenylbenzoquinone,Bio-Quinone Q10,CoQ 10,CoQ10,coenzyme Q10, (Z,Z,Z,Z,Z,Z,E,E,E)-isomer,coenzyme Q10, ion (1-), (all-E)-isomer,ubidecarenone,ubiquinone 50,ubiquinone Q10,ubisemiquinone,ubisemiquinone radical ] Ubiquinone ring with a chain of 10 isoprene units; redox equilibrium with ubiqunol serving in mitochondrial inner membrane to transfer electrons; presence during reconstitution of acetylcholine recept