PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1925827-1	1991	Human erythrocyte porphobilinogen deaminase was isolated using ammonium sulphate fractionation and heat treatment, Sephadex G-25 and G-100 chromatography, di-ethylamino-ethyl anion-exchange chromatography, chromatofocusing over a pH gradient of 7-4 and, finally, hydrophobic interaction chromatography on a phenyl-Sepharose column.	sephadex	115-128	hydroxymethylbilane synthase	Homo sapiens	18-43