PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
10908293-6	2000	The metal-ion chelator, phenantroline, which in the beta(2)-adrenergic receptor increased both the potency and the agonistic efficacy of Zn(2+) or Cu(2+) in complex with the chelator, also bound to the metal-ion site-engineered NK(1) receptor, but here the metal-ion chelator complex instead acted as a pure antagonist.	1,10-phenanthroline	24-37	adrenoceptor beta 2	Homo sapiens	52-79