PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17676345-1 2007 Dipeptidyl peptidase IV (DPP-IV) deactivates the incretin hormones GLP-1 and GIP by cleaving the penultimate proline or alanine from the N-terminal (P1-position) of the peptide. Alanine 120-127 gastric inhibitory polypeptide Homo sapiens 77-80