advances in the study of cholinesterase biology have been facilitated by the development of polyclonal and monoclonal antibodies to acetylcholinesterase ( ache ) ( ec 3.1.1.7 ) and butyrylcholinesterase ( buche ) ( ec 3.1.1.8 ) in several laboratories .
C0001044
acetylcholinesterase
C0008429
butyrylcholinesterase