title: Essential arginine residue in acetylcholinesterase from Torpedo Californica.
mesh_terms: D000110:Acetylcholinesterase / Q000378:metabolism*; D000818:Animals; D001120:Arginine / Q000378:metabolism*; D001665:Binding Sites; D002800:Cholinesterase Inhibitors; D004557:Electric Organ / Q000201:enzymology*; D005399:Fishes / Q000378:metabolism
chemical_list: D002800:Cholinesterase Inhibitors; D001120:Arginine; D000110:Acetylcholinesterase