PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
20669901-3	2010	The active site of ACS is the A-cluster, which is an unusual nickel-iron-sulfur cluster.	Nickel	61-67	acyl-CoA synthetase short chain family member 2	Homo sapiens	19-22