PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
17564820-1	2007	Optical spectroscopy experiments were used to study the features of cyanine dye 3,3"-dimethyl-9-(2-thienyl)-thiacarbocyanine iodide (L-21) aggregation in binary solutions DMF:Tris-HCl buffer (pH = 8) containing nucleic acids (DNA or RNA).	Tris hydrochloride	175-183	ribosomal protein L21	Homo sapiens	133-137