An RF-amide peptide ligand for SP9155, an orphan G-protein-coupled receptor with high homology to orexin, neuropeptide FF and CCK receptors. It has been shown to potently activate SP9155 with an EC50 of 7 nM.ONE-LETTER SEQUENCE: TSGPLGNLAEELNGYSRKKGGFSFRF-NH2MOLECULAR FORMULA: C127H195N37O37MOLECULAR WEIGHT:2832.17STORAGE CONDITIONS: -20 5C, CAS REGISTRY NUMBER: [600171-68-4], RESEARCH AREA: PainREFERENCES: N.Chartrel et al., Proc. Natl. Acad. Sci. USA, 100, 15247 (2003); Y.Jiang et al., J. Biol. Chem., 278, 27652 (2003)