PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11971909-0 2002 Elimination of P1 arginine 393 interaction with underlying glutamic acid 255 partially activates antithrombin III for thrombin inhibition but not factor Xa inhibition. Arginine 18-26 serpin family C member 1 Homo sapiens 97-113