A transmembrane quinone pair in the succinate dehydrogenase--cytochrome b region.
D000818:Animals; D002417:Cattle; D003580:Cytochromes / Q000378:metabolism*; D004578:Electron Spin Resonance Spectroscopy; D004579:Electron Transport; D008566:Membranes / Q000201:enzymology*; D008567:Membranes, Artificial; D008929:Mitochondria, Heart / Q000201:enzymology; D011809:Quinones; D013385:Succinate Dehydrogenase / Q000378:metabolism*
D003580:Cytochromes; D008567:Membranes, Artificial; D011809:Quinones; D013385:Succinate Dehydrogenase