...Eric Soubeyrand; Megan Kelly; Shea A. Keene; Ann C. Bernert; Scott Latimer; Timothy S. Johnson; Christian Elowsky; Thomas A. Colquhoun; Anna K. Block; Gilles J. Basset Plants have evolved the ability to derive the benzenoid moiety of the respiratory cofactor and antioxidant, ubiquinone (coenzyme Q...

...Matthew O. Jones; Laura Perez-Fons; Francesca P. Robertson; Peter M. Bramley; Paul D. Fraser The electron transfer molecules plastoquinone and ubiquinone are formed by the condensation of aromatic head groups with long-chain prenyl diphosphates. In the present paper we report the cloning...

...) transporter, which mediates the efflux of cholesterol and its delivery to apolipoprotein A-I. By increasing the synthesis of ubiquinone, another derivative of the mevalonate cascade, digoxin and ouabain simultaneously enhanced the rate of electron transport in the mitochondrial respiratory chain...

...Kazuaki Ohara; Ayumu Muroya; Nobuhiro Fukushima; Kazufumi Yazaki The AS-PT (aromatic substrate prenyltransferase) family plays a critical role in the biosynthesis of important quinone compounds such as ubiquinone and plastoquinone, although biochemical characterizations of AS-PTs have rarely been...

... plant, and showed that its major prenylquinones, i.e. plastoquinone and ubiquinone, contain the C 45 prenyl moiety. This suggests that At-SPS might be devoted to the biosynthesis of either or both of the prenylquinone side chains. This is the first established trans -long-chain prenyl diphosphate...

...- 2 H 2 ]ME and [3,5,5,5- 2 H 4 ]ME. The two C-1 hydrogen atoms of ME were found without any loss in the prenyl chain of menaquinone and/or ubiquinone on the carbon atoms derived from C-4 of isopentenyl diphosphate (IPP) and on the E -methyl group of dimethylallyl diphosphate (DMAPP), the C-5 hydrogen...