PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19007202-3 2008 In the present report, GPR54 agonistic peptides having several nonhydrolyzable Gly-Leu dipeptide isosteres were designed and synthesized. glycylleucine 79-86 KISS1 receptor Homo sapiens 23-28