PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21986532-5	2011	eNOS activity was determined by nitrite/nitrate accumulation, either via a fluorometric assay or by(15)N-nitrite or estimated (15)N(3)-citrulline concentrations when (15)N(4)-ARG was used to challenge the cells.	Nitrites	32-39	nitric oxide synthase 3	Homo sapiens	0-4