title: In vivo regulation of glutamine synthetase by ammonium in the cyanobacterium Anabaena L-31.
mesh_terms: D000458:Cyanobacteria / Q000201:enzymology*; D004586:Electrophoresis / Q000379:methods; D005974:Glutamate-Ammonia Ligase / Q000378:metabolism*; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology*
chemical_list: D000644:Quaternary Ammonium Compounds; D005974:Glutamate-Ammonia Ligase