PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1254583-3	1976	Rhodopsin was extracted with detergents and purified by chromatographic procedures involving calcium phosphate/celite chromatography followed by affinity chromatograpy on concanavalin A-Sepharose (or in some cases, gel filtration on agarose).	calcium phosphate	93-110	rhodopsin	Bos taurus	0-9