PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3093512-4 1986 The results obtained confirmed the importance of the arginyl residues grafted onto these polymers to obtain an affinity matrix useful for purifying thrombin with a high specific activity and a good recovery. arginyl 53-60 coagulation factor II, thrombin Homo sapiens 148-156