PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1325464-2	1992	Treatment of the extract with pyrophosphatase, but substituting Zn2+ for Mg2+ as the cofactor, converts all nucleoside triphosphates and pyrophosphate to their di- and monoesters.	diphosphoric acid	137-150	mucin 7, secreted	Homo sapiens	73-76