PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1158870-0 1975 Subcellular and regional distribution of 125I-labeled alpha-bungarotoxin binding in rat brain and its relationship to acetylcholinesterase and choline acetyltransferase. Iodine-125 41-45 choline O-acetyltransferase Rattus norvegicus 143-168