title: The inactivation of acetylcholinesterase by trimethyloxonium ion, an active-site-directed methylating agent.
mesh_terms: D000110:Acetylcholinesterase / Q000097:blood; D000818:Animals; D001665:Binding Sites; D001667:Binding, Competitive; D001692:Biological Transport; D002250:Carbon Radioisotopes; D002794:Choline / Q000378:metabolism; D002800:Cholinesterase Inhibitors; D004524:Eels; D004912:Erythrocytes / Q000201:enzymology / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008745:Methylation; D009861:Onium Compounds / Q000494:pharmacology*; D011485:Protein Binding; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology
chemical_list: D002250:Carbon Radioisotopes; D002800:Cholinesterase Inhibitors; D009861:Onium Compounds; D000644:Quaternary Ammonium Compounds; D000110:Acetylcholinesterase; D002794:Choline; C009576:trimethyloxonium