PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21576462-6	2011	Among G allele carriers, the extent of subjective reward difference (denicotinized versus nicotine cigarette) was associated significantly with MOR BP(ND) difference in right amygdala, caudate, anterior cingulate cortex, and thalamus.	Nicotine	90-98	opioid receptor mu 1	Homo sapiens	144-147	
21576462-1	2011	Evidence points to the endogenous opioid system, and the mu-opioid receptor (MOR) in particular, in mediating the rewarding effects of drugs of abuse, including nicotine.	Nicotine	161-169	opioid receptor mu 1	Homo sapiens	57-75	
21576462-1	2011	Evidence points to the endogenous opioid system, and the mu-opioid receptor (MOR) in particular, in mediating the rewarding effects of drugs of abuse, including nicotine.	Nicotine	161-169	opioid receptor mu 1	Homo sapiens	77-80