PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
6928678-1	1980	The three exposed tyrosines of RNase A have been converted to nitrotyrosines by reaction with tetranitromethane, and the changes in the ionization properties of these nitrotyrosines have been used to follow the kinetics of unfolding of the nitrated protein.	Tyrosine	18-27	ribonuclease A family member 1, pancreatic	Homo sapiens	31-38