PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2339364-2 1990 In the present paper, we studied whether PTA is useful as an eluent of antithrombin III (ATIII) on heparin-Sepharose affinity chromatography. pta 41-44 serpin family C member 1 Homo sapiens 71-87 2339364-2 1990 In the present paper, we studied whether PTA is useful as an eluent of antithrombin III (ATIII) on heparin-Sepharose affinity chromatography. pta 41-44 serpin family C member 1 Homo sapiens 89-94