Cat. No. 4402

26RFa Val-Gly-Thr-Ala-Leu-Gly-Ser-Leu-Ala-Glu-Glu-Leu-Asn-Gly-Tyr-Asn-Arg-Lys-Lys-Gly-Gly-Phe-Ser-Phe-Arg-Phe-NH2

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Alternative Names: P518, QRFP

Biological Activity

Hypothalamic RFamide-related neuropeptide. Acts as a natural ligand of the orphan receptor GPR103. Exhibits orexigenic acitivity in mice upon central administration.

Technical Data


(Modifications: Phe-26 = C-terminal amide)

Soluble to 1 mg/ml in water
Store at -20°C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet

Le Marec et al (2011) Structure-activity relationships of a series of analogues of the RFamide-related peptide 26RFa J.Med.Chem. 54 4806. PMID: 21623631.

Kampe et al (2006) Effect of central administration of QRFP(26) peptide on energy balance and characterization of a second QRFP receptor in rat. Brain Res. 1119 133. PMID: 16996040.

Chartrel et al (2003) Identification of 26RFa, a hypothalamic neuropeptide of the RFamide peptide family with orexigenic activity. Proc.Natl.Acad.Sci.USA 100 15247. PMID: 14657341.

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Keywords: 26RFa, supplier, rfrp, GPR103, ligands, neuropeptides, orexigenic, appetite, stimulating, stimulators, qrfpr, Tocris Bioscience, Orphan 7-TM Receptor Ligand products

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