PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22122547-5 2012 EXPERIMENTAL APPROACH: We modified the Bv8 molecule by substituting Trp in position 24 with Ala (A-24) and compared it with Bv8 for binding and activating PK(1) and PK(2) receptors in cell preparations and in affecting nociceptive thresholds in rodents. Alanine 92-95 prokineticin 2 Mus musculus 39-42