PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19019078-1 2009 A phospholipase B (PLB) precursor was purified from normal human granulocytes using Sephadex G-75, Mono-S cation-exchange and hydroxyapatite columns. sephadex 84-97 phospholamban Homo sapiens 19-22