PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
28669870-5	2017	The recombinant protein was purified by immobilized metal ion affinity chromatography yielding above 17 mg of purified 17beta-HSD1 protein per liter of cell culture, with a specific activity of 8.54 mumoL/min/mg of protein for conversion of estradiol into estrone, with NAD+ as cofactor at pH 9.2.	NAD	270-274	hydroxysteroid 17-beta dehydrogenase 1	Homo sapiens	119-130