PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
11343803-7	2001	To further probe the relevance of sulfide in the mobilization of iron, several enzymes, such as NifS, rhodanese, or sulfite reductase generating reduced forms of sulfur by different mechanisms, have been assayed for their ability to catalyze the release of iron from ferritin.	Sulfur	162-168	NFS1 cysteine desulfurase	Homo sapiens	96-100