PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2531093-19	1989	Our results indicate that beta-endorphin and morphine produce analgesia by stimulating separate types of opioid receptors, epsilon- for for beta-endorphin and mu- for morphine, and activate separate descending pain modulatory control systems.	Morphine	45-53	pro-opiomelanocortin-alpha	Mus musculus	140-154	
2531093-19	1989	Our results indicate that beta-endorphin and morphine produce analgesia by stimulating separate types of opioid receptors, epsilon- for for beta-endorphin and mu- for morphine, and activate separate descending pain modulatory control systems.	Morphine	167-175	pro-opiomelanocortin-alpha	Mus musculus	26-40