PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2869783-0	1986	Chemical modification of essential carboxyl group and histidine residue in the plasma-membrane 5"-nucleotidase.	Histidine	54-63	5'-nucleotidase	Bos taurus	95-110