PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
19920921-4	2009	Alitretinoin (9-cis-retinoic acid) is a panagonist retinoid binding to all six known retinoid receptors (RAR-alpha, -beta, -gamma and RXR-alpha, -beta, -gamma).	Retinoids	51-59	retinoid X receptor alpha	Homo sapiens	134-143