Urocortin, Rat

H-Asp-Asp-Pro-Pro-Leu-Ser-Ile-Asp-Leu-Thr-Phe-His-Leu-Leu-Arg-Thr-Leu-Leu-Glu-Leu-Ala-Arg-Thr-Gln-Ser-Gln-Arg-Glu-Arg-Ala-Glu-Gln-Asn-Arg-Ile-Ile-Phe-Asp-Ser-Val-NH2

Urocortin is a mammalian neuropeptide related to fish urotensin and to corticotropin-releasing factor. UCN I has been shown to be more potent than CRF at binding and activating type-2 CRF receptors, as well as at inducing c-Fos in regions enriched in type-2 CRF receptors.