PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
6160928-1	1980	The presence of absence of a specific acetylcholinesterase (AChE) band was determined by polyacrylamide gel electrophoresis on 272 second trimester amniotic fluid samples.	polyacrylamide	89-103	acetylcholinesterase (Cartwright blood group)	Homo sapiens	60-64