title: DIRECT STUDIES ON THE ELECTRON TRANSFER SEQUENCE IN XANTHINE OXIDASE BY ELECTRON PARAMAGNETIC RESONANCE SPECTROSCOPY. II. KINETIC STUDIES EMPLOYING RAPID FREEZING.
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D004579:Electron Transport; D004583:Electrons; D004791:Enzyme Inhibitors; D005182:Flavin-Adenine Dinucleotide; D005615:Freezing; D006863:Hydrogen-Ion Concentration; D007501:Iron; D007700:Kinetics; D008892:Milk; D008982:Molybdenum; D009584:Nitrogen; D010100:Oxygen; D011687:Purines; D014969:Xanthine Oxidase; D014970:Xanthines
chemical_list: D004791:Enzyme Inhibitors; D011687:Purines; D014970:Xanthines; D005182:Flavin-Adenine Dinucleotide; D008982:Molybdenum; D007501:Iron; D014969:Xanthine Oxidase; D009584:Nitrogen; D010100:Oxygen; C030985:purine
keywords: ELECTRON SPIN RESONANCE; ELECTRON TRANSPORT; ENZYME INHIBITORS; FAD; HYDROGEN-ION CONCENTRATION; IRON; MILK; MOLYBDENUM; NITROGEN; OXYGEN; PURINES; XANTHINE OXIDASE; XANTHINES