PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3300777-1 1987 Two-dimensional proton nuclear magnetic resonance spectroscopy at 500 MHz has been carried out on the cyclic decapeptide antagonist of gonadotropin-releasing hormone: cyclo-(delta 3-Pro1-D-pClPhe2-D-Trp3-Ser4-Tyr5-D-Trp6-NMeLeu7-Arg8- Pro9-beta-Ala 10). beta-Alanine 240-248 gonadotropin releasing hormone 1 Homo sapiens 135-165