PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15839837-3 2005 Hepsin exhibited strong preference at the P1 position for arginine over lysine, and favoured threonine, leucine or asparagine at the P2, glutamine or lysine at the P3, and proline or lysine at the P4 position. Asparagine 115-125 hepsin Homo sapiens 0-6