The inactivation of acetylcholinesterase by trimethyloxonium ion, an active-site-directed methylating agent.
Rawn JD, Lienhard GE. The inactivation of acetylcholinesterase by trimethyloxonium ion, an active-site-directed methylating agent. Biochem Biophys Res Commun. 1974 Feb 04; 56(3):654-60.