81608-29-9

GRP (14-27) (human, porcine, canine) is a bombesin receptor ligand. The specific binding of GRP (14-27) is inhibited by GTP and GDP, whereas GMP was without effect[1].

[1] J B Fischer, et al. The bombesin receptor is coupled to a guanine nucleotide-binding protein which is insensitive to pertussis and cholera toxins. J Biol Chem. 1988 Feb 25;263(6):2808-16. PMID:2830264