PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
3139401-5	1988	When the amounts of added tPA and analogues were standardized so that each generated the same absorbance in a chromogenic assay containing S-2251, plasminogen, and fibrinogen fragments, there was a significant difference in the way in which the analogues were titrated by the inhibitor.	valyl-leucyl-lysine 4-nitroanilide	139-145	chromosome 20 open reading frame 181	Homo sapiens	26-29