title: Novel metal cluster in the iron-molybdenum cofactor of nitrogenase. Spectroscopic evidence.
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D007501:Iron; D008982:Molybdenum; D009591:Nitrogenase; D011485:Protein Binding; D011487:Protein Conformation; D013057:Spectrum Analysis
chemical_list: D008982:Molybdenum; D007501:Iron; D009591:Nitrogenase