PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2300172-2	1990	The initial enzymatic step in the formation of leukotrienes is the oxidation of arachidonic acid by 5-lipoxygenase (5-LO) to leukotriene A4.	Leukotriene A4	125-139	arachidonate 5-lipoxygenase	Homo sapiens	100-114