PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22488046-7 2012 The proline residue, in position 4 of the bradykinin sequence promotes a turn in the longer peptide chain, shortening its end-to-end distance. Proline 4-11 kininogen 1 Homo sapiens 42-52