title: The electronic structure of the haem iron in haemoglobin Zurich beta 63his-arg.
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D004583:Electrons; D006455:Hemoglobins, Abnormal / Q000032:analysis*; D006801:Humans; D007501:Iron / Q000032:analysis*; D007503:Iron Isotopes; D008280:Magnetics; D008970:Molecular Weight; D010100:Oxygen; D011487:Protein Conformation; D013054:Spectrophotometry, Atomic; D013057:Spectrum Analysis; D013696:Temperature
chemical_list: D006455:Hemoglobins, Abnormal; D007503:Iron Isotopes; D007501:Iron; D010100:Oxygen