Bound cytochrome C as proton donor and acceptor during enzymic oxidoreduction.
D000818:Animals; D002417:Cattle; D003574:Cytochrome c Group / Q000378:metabolism; D004579:Electron Transport; D003576:Electron Transport Complex IV / Q000378:metabolism; D008929:Mitochondria, Heart / Q000378:metabolism; D009243:NAD / Q000378:metabolism; D010084:Oxidation-Reduction; D011522:Protons
D003574:Cytochrome c Group; D011522:Protons; D009243:NAD; D003576:Electron Transport Complex IV