PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15199558-5 2004 The resulting antithrombotic drug arixtra, which went on the market in the USA and Europe in 2002, shows superior antithrombotic activity and brings about AT-III-mediated activity against factor Xa exclusively. Fondaparinux 34-41 serpin family C member 1 Homo sapiens 155-161