PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
6116798-7	1981	The action of peptides on morphine- or beta-endorphin-induced analgesia in the naive state is different from that of the tolerant state, suggesting that dynorphin may be involved in the development of morphine tolerance and physical dependence.	Morphine	201-209	pro-opiomelanocortin-alpha	Mus musculus	39-53