PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21875153-6 2011 In the protease bound-antithrombin-pentasaccharide complex Lys 114, Pro 12 and Lys 125 form important hydrogen bonding interactions. Proline 68-71 serpin family C member 1 Homo sapiens 22-34