PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3807893-5 1987 Treatment of rats with nicotine for 10 days increased the density of binding sites for both ligands, and treatment with the cholinesterase inhibitor soman for 9 days decreased the density of binding sites for both ligands. Soman 149-154 butyrylcholinesterase Rattus norvegicus 124-138