title: On the heterogeneity of vertebrate cytochrome c oxidase polypeptide chain composition.
mesh_terms: D000818:Animals; D002645:Chickens; D003576:Electron Transport Complex IV; D007668:Kidney / Q000201:enzymology; D046911:Macromolecular Substances; D008928:Mitochondria / Q000201:enzymology*; D008929:Mitochondria, Heart / Q000201:enzymology; D008930:Mitochondria, Liver / Q000201:enzymology; D008970:Molecular Weight; D009928:Organ Specificity; D051381:Rats; D013045:Species Specificity
chemical_list: D046911:Macromolecular Substances; D003576:Electron Transport Complex IV