PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9712892-1	1998	In the absence of L-arginine, the heme center of the oxygenase domain of neuronal nitric-oxide synthase reduces molecular oxygen to superoxide (O-2).	Superoxides	132-142	immunoglobulin kappa variable 1D-39	Homo sapiens	144-147