title: Lanthanide probes in biological systems: the calcium binding site of pancreatic elastase as studied by terbium luminescence.
mesh_terms: D000409:Alanine / Q000031:analogs & derivatives / Q000494:pharmacology; D000818:Animals; D001665:Binding Sites; D002118:Calcium; D007700:Kinetics; D008163:Luminescent Measurements; D008274:Magnesium; D010179:Pancreas / Q000201:enzymology*; D010196:Pancreatic Elastase / Q000378:metabolism; D011485:Protein Binding; D013552:Swine; D013725:Terbium; D015032:Zinc
chemical_list: D013725:Terbium; C024933:acetyltrialanine; D010196:Pancreatic Elastase; D008274:Magnesium; D015032:Zinc; D000409:Alanine; D002118:Calcium