PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21852895-0	2011	FERROCHELATASE: THE CONVERGENCE OF THE PORPHYRIN BIOSYNTHESIS AND IRON TRANSPORT PATHWAYS.	Iron	66-70	ferrochelatase	Homo sapiens	0-14	
21852895-1	2011	Ferrochelatase (also known as PPIX ferrochelatase; Enzyme Commission number 4.9.9.1.1) catalyzes the insertion of ferrous iron into PPIX to form heme.	Iron	114-126	ferrochelatase	Homo sapiens	0-14	
21852895-1	2011	Ferrochelatase (also known as PPIX ferrochelatase; Enzyme Commission number 4.9.9.1.1) catalyzes the insertion of ferrous iron into PPIX to form heme.	Iron	114-126	ferrochelatase	Homo sapiens	35-49	
21852895-5	2011	It is generally believed that ferrous iron is directly channeled to ferrochelatase in vivo, but the identity of the suspected chaperone remains uncertain despite much recent progress in this area.	Iron	38-42	ferrochelatase	Homo sapiens	68-82