title: Identification of the haem ligands of cytochrome b562 by X-ray and NMR methods.
mesh_terms: D000595:Amino Acid Sequence; D003580:Cytochromes; D004926:Escherichia coli; D006418:Heme; D006639:Histidine; D008024:Ligands; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D008715:Methionine; D011487:Protein Conformation; D014961:X-Ray Diffraction / Q000379:methods
chemical_list: D003580:Cytochromes; D008024:Ligands; D006418:Heme; D006639:Histidine; D008715:Methionine