PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
17467904-12	2007	In depleted brain membranes, the kappa(2b)-ligand, leu-enkephalin, prevented oxycodone"s displacement of high-affinity [(3)H]bremazocine binding, suggesting the notion that oxycodone is a kappa(2b)-opioid ligand.	Oxycodone	77-86	proenkephalin	Rattus norvegicus	55-65	
17467904-12	2007	In depleted brain membranes, the kappa(2b)-ligand, leu-enkephalin, prevented oxycodone"s displacement of high-affinity [(3)H]bremazocine binding, suggesting the notion that oxycodone is a kappa(2b)-opioid ligand.	Oxycodone	173-182	proenkephalin	Rattus norvegicus	55-65