PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6324866-8 1984 In the absence of inhibitors the initial reduction of cytochrome b (via both pathways) is followed by a net oxidation which is the resultant of a continuing reduction (together with the reduction of the Rieske [2Fe-2S] cluster) and an oxidation (via the antimycin-sensitive site) by quinone. quinone 283-290 cytochrome b Bos taurus 54-66 7601275-1 1995 The axial ligands of low potential cytochrome b560 in the five subunit bovine heart succinate-ubiquinone reductase complex and in the isolated quinone binding proteins have been investigated using EPR and near-infrared magnetic circular dichroism spectroscopies. quinone 97-104 cytochrome b Bos taurus 35-47 1657937-13 1991 The strong up-field chemical shift for TFQ, and lack of significant chemical shift for 9FQ, suggest that the benzoquinone ring is bound near the paramagnetic cytochrome b heme. quinone 109-121 cytochrome b Bos taurus 158-170