PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2013328-4	1991	The carboxyl group of proline and the ethyl ester group or the n-propylamide group in the oxirane ring were necessary, the ethyl ester group or the n-propylamide group being particularly effective for distinguishing cathepsin B from other cysteine proteinases such as cathepsins L and H, and calpains.	Ethylene Oxide	90-97	cathepsin B	Homo sapiens	216-227