title: Magnetic resonance studies of the interaction of cupric ion with native and modified forms of ribonuclease.
mesh_terms: D000478:Alkylation; D000818:Animals; D001665:Binding Sites; D002417:Cattle; D055598:Chemical Phenomena; D002621:Chemistry; D003300:Copper; D003597:Cytosine Nucleotides; D004578:Electron Spin Resonance Spectroscopy; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D010179:Pancreas / Q000201:enzymology; D012260:Ribonucleases; D013696:Temperature
chemical_list: D003597:Cytosine Nucleotides; D006639:Histidine; D003300:Copper; D012260:Ribonucleases