PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1688748-3	1990	To prepare the label, a monoclonal antibody displaying high affinity towards PSA was purified and derivatized with diethylenetriaminepentaacetic acid.	Pentetic Acid	115-149	kallikrein related peptidase 3	Homo sapiens	77-80