PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 4164898-7 1967 The possible occurrence of a cytochrome b oxidase and the requirement for a quinone are discussed, as well as the correlation between the abbreviated pathway and the energy generation by the cell. quinone 76-83 mitochondrially encoded cytochrome b Homo sapiens 29-41