title: Structural basis for the variation in redox potential of cytochromes.
mesh_terms: D000818:Animals; D001426:Bacterial Proteins; D003580:Cytochromes / Q000145:classification / Q000378:metabolism; D006639:Histidine; D006736:Horses; D008024:Ligands; D009682:Magnetic Resonance Spectroscopy; D008715:Methionine; D008954:Models, Biological; D010084:Oxidation-Reduction; D011166:Porphyrins; D011487:Protein Conformation; D013329:Structure-Activity Relationship
chemical_list: D001426:Bacterial Proteins; D003580:Cytochromes; D008024:Ligands; D011166:Porphyrins; D006639:Histidine; D008715:Methionine