A beef-heart cytochrome B dependent on nonheme iron for its reduction.
D000473:Alkanes; D000818:Animals; D002417:Cattle; D002614:Chelating Agents / Q000378:metabolism*; D003580:Cytochromes / Q000378:metabolism*; D066298:In Vitro Techniques; D007501:Iron / Q000378:metabolism*; D008928:Mitochondria / Q000378:metabolism*; D009206:Myocardium / Q000166:cytology; D010618:Phenanthrolines; D011725:Pyridines; D013053:Spectrophotometry; D013501:Surface-Active Agents
D000473:Alkanes; D002614:Chelating Agents; D003580:Cytochromes; D010618:Phenanthrolines; D011725:Pyridines; D013501:Surface-Active Agents; D007501:Iron