title: Effects of specific divalent cations on some physical and chemical properties of glutamine synthetase from Escherichia coli. Taut and relaxed enzyme forms.
mesh_terms: D000227:Adenine Nucleotides; D002118:Calcium; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002850:Chromatography, Gel; D004355:Drug Stability; D004926:Escherichia coli / Q000201:enzymology*; D005246:Feedback; D005971:Glutamates; D006863:Hydrogen-Ion Concentration; D007477:Ions; D007700:Kinetics; D008025:Ligases / Q000037:antagonists & inhibitors; D008274:Magnesium; D008345:Manganese; D008670:Metals; D008970:Molecular Weight; D013057:Spectrum Analysis; D014461:Ultracentrifugation; D014783:Viscosity
chemical_list: D000227:Adenine Nucleotides; D005971:Glutamates; D007477:Ions; D008670:Metals; D008345:Manganese; D008025:Ligases; D008274:Magnesium; D002118:Calcium