title: Spectroscopic probes of Escherichia coli glutamine synthetase. Rare earth ions by difference absorption.
mesh_terms: D000255:Adenosine Triphosphate; D000641:Ammonia; D001665:Binding Sites; D004578:Electron Spin Resonance Spectroscopy; D004926:Escherichia coli / Q000201:enzymology*; D005944:Glucosamine; D005974:Glutamate-Ammonia Ligase / Q000378:metabolism*; D005971:Glutamates; D006863:Hydrogen-Ion Concentration; D007811:Lanthanum; D009682:Magnetic Resonance Spectroscopy; D008345:Manganese / Q000494:pharmacology; D008956:Models, Chemical; D009354:Neodymium / Q000494:pharmacology*; D011485:Protein Binding; D013053:Spectrophotometry
chemical_list: D005971:Glutamates; D009354:Neodymium; D008345:Manganese; D007811:Lanthanum; D000641:Ammonia; D000255:Adenosine Triphosphate; D005974:Glutamate-Ammonia Ligase; D005944:Glucosamine