PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
11747448-1	2001	The members of the enolase superfamily catalyze different overall reactions, yet share a partial reaction that involves Mg(2+)-assisted enolization of the substrate carboxylate anion.	magnesium ion	120-126	Enolase	Escherichia coli	19-26	
10978150-0	2000	Evolution of enzymatic activity in the enolase superfamily: structure of o-succinylbenzoate synthase from Escherichia coli in complex with Mg2+ and o-succinylbenzoate.	magnesium ion	139-143	Enolase	Escherichia coli	39-46