PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21512164-1	2011	OBJECTIVE: Tetrahydrobiopterin (BH(4)) is a critical cofactor for nitric oxide (NO) synthesis by NO synthase (NOS).	sapropterin	11-30	nitric oxide synthase 1, neuronal	Mus musculus	97-108