title: On the subunit structure of acetylcholinesterase.
mesh_terms: D000110:Acetylcholinesterase; D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D006146:Guanidines; D066298:In Vitro Techniques; D008623:Mercaptoethanol; D008970:Molecular Weight; D013053:Spectrophotometry
chemical_list: D002247:Carbon Isotopes; D006146:Guanidines; D008623:Mercaptoethanol; D000110:Acetylcholinesterase