PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8226983-5 1993 Only substitution of gamma-carboxyglutamic acid 6 with aspartic acid yields a protein with procoagulant activity, affinity for phospholipid and KM(app) for prothrombinase indistinguishable from wild-type prothrombin. Aspartic Acid 55-68 coagulation factor X Homo sapiens 156-170