PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19478336-5 2009 The rate of superoxide generation by the reconstituted bc(1) complex increased exponentially with increased magnitude of the membrane potential, a finding that is compatible with the suggestion that membrane potential inhibits electron transfer from the cytochrome b(L) to b(H) hemes, thereby promoting the formation of a ubisemiquinone radical that interacts with oxygen to generate superoxide. coenzyme Q10 322-344 cytochrome b Saccharomyces cerevisiae S288C 254-266