PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
24410629-2	2014	The major event of the mechanism of their mutagenicity is N-hydroxylation by P450 enzymes, primarily P450 1A2 (CYP1A2), which leads to the formation of nitrenium ions that covalently modify nucleobases of DNA.	nitrenium	152-161	cytochrome P450 family 1 subfamily A member 2	Homo sapiens	111-117