PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6098809-5 1984 The 34 000-dalton DNA binding protein has been purified by ammonium sulphate fractionation followed by phosphocellulose (PC) chromatography. Ammonium Sulfate 59-76 zinc finger protein 763 Homo sapiens 18-37