PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
3838893-2	1985	The structural requirements for the inhibition of ferrochelatase by N-alkylated porphyrins were investigated and experiments carried out to explore the mechanism of enzyme inhibition.	n-alkylated porphyrins	68-90	ferrochelatase	Homo sapiens	50-64