PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9175749-4	1997	The fusion product GST-wALS was purified in a single step on a glutathione-Sepharose column.	Sepharose	75-84	glutathione S-transferase	Nicotiana tabacum	19-22