PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17878957-1 2007 Prolyl oligopeptidase (POP) is a ubiquitous post-proline cleaving enzyme that is highly expressed in brain. Proline 49-56 prolyl endopeptidase Homo sapiens 0-21 17878957-1 2007 Prolyl oligopeptidase (POP) is a ubiquitous post-proline cleaving enzyme that is highly expressed in brain. Proline 49-56 prolyl endopeptidase Homo sapiens 23-26