PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9464851-8	1997	While native EC-SOD shows high affinity for heparin and heparan sulphate, 90% of the EC-SOD in seminal plasma lacks the high affinity at ejaculation.	Heparitin Sulfate	56-72	superoxide dismutase 3	Homo sapiens	13-19