PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8217881-4 1993 The enzymatic tracer was obtained by coupling the 3(O-carboxymethyl)oxime derivative to acetylcholinesterase (E.C.3.1.1.7.). 3(o-carboxymethyl)oxime 50-73 acetylcholinesterase (Cartwright blood group) Homo sapiens 88-108