PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12961878-1	2003	Tobacco peroxidase (TOPI) has been purified by ammonium sulfate fractionation and column chromatography, involving ion exchange on DE-52 cellulose, gelfiltration on Sephadex G-75 and ion exchange on DEAE-sephadex A-50.	sephadex	165-173	peroxidase N1	Nicotiana tabacum	8-18