title: Tetrahydrobiopterin, a cofactor in mitochondrial electron transfer. A soluble transfer system.
mesh_terms: D000255:Adenosine Triphosphate / Q000096:biosynthesis; D000818:Animals; D002247:Carbon Isotopes; D002417:Cattle; D002458:Cell Fractionation; D002474:Cell-Free System; D003574:Cytochrome c Group / Q000378:metabolism; D003580:Cytochromes / Q000378:metabolism; D004579:Electron Transport / Q000187:drug effects*; D003576:Electron Transport Complex IV / Q000378:metabolism; D008930:Mitochondria, Liver / Q000378:metabolism; D008931:Mitochondria, Muscle / Q000378:metabolism*; D009206:Myocardium / Q000378:metabolism; D009243:NAD; D009249:NADP; D010101:Oxygen Consumption / Q000187:drug effects; D011622:Pterins / Q000494:pharmacology*; D051381:Rats; D013056:Spectrophotometry, Ultraviolet; D013347:Subcellular Fractions / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D003574:Cytochrome c Group; D003580:Cytochromes; D011622:Pterins; D009243:NAD; D009249:NADP; D000255:Adenosine Triphosphate; D003576:Electron Transport Complex IV