Drug	Gene	Type	Source
tetrahydrobiopterin	NOS1	Text_Mining(Inhibitor)	TTD
tetrahydrobiopterin	NOS3	Text_Mining(Inhibitor)	TTD
tetrahydrobiopterin	GCH1	Text_Mining(Inhibitor)	TTD
tetrahydrobiopterin	NOS2	Text_Mining(Inhibitor)	TTD
tetrahydrobiopterin	TH	Text_Mining(Drug(s))	TTD
tetrahydrobiopterin	TH	Text_Mining(Cofactor)	TTD