[D-Arg1,D-Phe5,D-Trp7,9,Leu11]-Substance P is a low potency ghrelin receptor antagonist acts as a high potency inverse agonist by inhibiting the spontaneous, ligand-independent signaling of the receptor. Holst, B; et al., J. Biol. Chem., 282, 15799, (2007).
MW: 1516.87