PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
15473710-1	2004	Formation of intramolecular tetraplex structures by the thrombin-binding DNA aptamer (TBA) in the presence of K(+), Pb(2+), Ba(2+), Sr(2+) and Mn(2+) has been studied by vibrational spectroscopy.	Barium	124-126	coagulation factor II, thrombin	Homo sapiens	56-64