title: Lanthanide induced NMR perturbations of HEW lysozyme: evidence for nonaxial symmetry.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002645:Chickens; D003201:Computers; D005260:Female; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D008674:Metals, Rare Earth / Q000378:metabolism / Q000494:pharmacology*; D009113:Muramidase / Q000378:metabolism; D011487:Protein Conformation / Q000187:drug effects
chemical_list: D008674:Metals, Rare Earth; D009113:Muramidase