title: Regulation of glutamine synthetase. XII. Electron microscopy of the enzyme from Escherichia coli.
mesh_terms: D000227:Adenine Nucleotides; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004926:Escherichia coli / Q000201:enzymology*; D005246:Feedback; D005971:Glutamates; D008025:Ligases / Q000032:analysis* / Q000037:antagonists & inhibitors; D008345:Manganese; D008854:Microscopy, Electron; D013997:Time Factors; D014508:Urea
chemical_list: D000227:Adenine Nucleotides; D005971:Glutamates; D008345:Manganese; D014508:Urea; D008025:Ligases