半岛bd体育手机客户端 介绍
基因名:
Coq3 半岛bd体育手机客户端 别名: Coq3; coenzyme Q3 methyltransferase; coenzyme Q3 methyltransferase; ubiquinone biosynthesis O-methyltransferase, mitochondrial; 2-polyprenyl-6-hydroxyphenol methylase; 2-polyprenyl-6-hydroxyphenyl methylase; 3,4-dihydroxy-5-hexaprenylbenzoate methyltransferase; 3-demethylubiquinol 3-O-methyltransferase; 3-demethylubiquinone-9 3-methyltransferase; DHHB methyltransferase; DHHB-MT; DHHB-MTase; coenzyme Q (ubiquinone); coenzyme Q3 homolog, methyltransferase; dihydroxyhexaprenylbenzoate methyltransferase; hexaprenyldihydroxybenzoate methyltransferase, mitochondrial; polyprenyldihydroxybenzoate methyltransferase; 线粒体COQ3; 背景信息:
Ubiquinone, also known as coenzyme Q, or Q, is a critical component of the electron transport pathways of both eukaryotes and prokaryotes (Jonassen and Clarke, 2000 [PubMed 10777520]). This lipid consists of a hydrophobic isoprenoid tail and a quinone head group. The tail varies in length depending on the organism, but its purpose is to anchor coenzyme Q to the membrane. The quinone head group is responsible for the activity of coenzyme Q in the respiratory chain. The S. cerevisiae COQ3 gene encodes an O-methyltransferase required for 2 steps in the biosynthetic pathway of coenzyme Q. This enzyme methylates an early coenzyme Q intermediate, 3,4-dihydroxy-5-polyprenylbenzoic acid, as well as the final intermediate in the pathway, converting demethyl-ubiquinone to coenzyme Q. The COQ3 gene product is also capable of methylating the distinct prokaryotic early intermediate 2-hydroxy-6-polyprenyl phenol.[supplied by OMIM, Mar 2008]
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