PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21222622-1 2011 Prolyl oligopeptidase (POP) is a serine protease that cleaves peptides shorter than 30-mer at the carboxyl side of an internal proline. Proline 127-134 prolyl endopeptidase Homo sapiens 0-21 21222622-1 2011 Prolyl oligopeptidase (POP) is a serine protease that cleaves peptides shorter than 30-mer at the carboxyl side of an internal proline. Proline 127-134 prolyl endopeptidase Homo sapiens 23-26