title: Active site of hemerythrin. Iron electronic states and the binding of oxygen.
mesh_terms: D000845:Annelida / Q000032:analysis / Q000378:metabolism; D001798:Blood Proteins / Q000302:isolation & purification / Q000378:metabolism*; D004578:Electron Spin Resonance Spectroscopy; D004912:Erythrocytes / Q000378:metabolism*; D006454:Hemoglobins / Q000032:analysis; D007259:Infrared Rays; D007501:Iron / Q000032:analysis / Q000378:metabolism*; D009682:Magnetic Resonance Spectroscopy; D010084:Oxidation-Reduction; D010101:Oxygen Consumption; D011485:Protein Binding
chemical_list: D001798:Blood Proteins; D006454:Hemoglobins; D007501:Iron