PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16243721-1 2005 Implementation of assay conditions for the use of AChE activity as a biomarker of metal toxicity. Metals 82-87 acetylcholinesterase (Cartwright blood group) Homo sapiens 50-54 16243721-4 2005 Therefore, the main purpose of this study was to investigate the potential of five metal ions (nickel, copper, zinc, cadmium and mercury) to inhibit AChE activity in vitro. Metals 83-88 acetylcholinesterase (Cartwright blood group) Homo sapiens 149-153