acetylcholinesterase activity Reactome:REACT_99846 Reactome:REACT_96859 molecular_function true cholinesterase activity RHEA:17564 choline esterase I activity Reactome:REACT_14816 Reactome:REACT_109174 acetylcholine hydrolase activity Reactome:REACT_85985 Catalysis of the reaction: acetylcholine + H2O = choline + acetate. MetaCyc:ACETYLCHOLINESTERASE-RXN Reactome:REACT_89645 acetyl.beta-methylcholinesterase activity acetylcholine acetylhydrolase activity AcCholE EC:3.1.1.7 GO:0003990 acetylthiocholinesterase activity cholinesterase activity