PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11323006-1 2001 In the presence of glycosaminoglycans, thrombin is rapidly inactivated by two natural inhibitors secreted from liver: antithrombin (AT) is presumed to be the principal thrombin inhibitor in circulating blood, while for heparin cofactor II (HCII), a role outside circulation has been proposed. Glycosaminoglycans 19-37 serpin family C member 1 Homo sapiens 118-130