PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2266117-9	1990	Both beta-lipotropin (1-40) and joining peptide were found to have pyroglutamate at their amino termini to an extent of about 50%.	Pyrrolidonecarboxylic Acid	67-80	proopiomelanocortin	Bos taurus	5-20