PeptideDB

Urotensin I

CAS No.: 83930-33-0

Urotensin I (Catostomus urotensin I), a CRF-like neuropeptide, acts as an agonist of CRF receptor with pEC50s of 11.46,
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CAS 83930-33-0
Sequence H-Asn-Asp-Asp-Pro-Pro-Ile-Ser-Ile-Asp-Leu-Thr-Phe-His-Leu-Leu-Arg-Asn-Met-Ile-Glu-Met-Ala-Arg-Ile-Glu-Asn-Glu-Arg-Glu-Gln-Ala-Gly-Leu-Asn-Arg-Lys-Tyr-Leu-Asp-Glu-Val-NH2
Sequence Single NDDPPISIDLTFHLLRNMIEMARIENEREQAGLNRKYLDEV-NH2
Molecular Formula C210H340N62O67S2
Molecular Weight 4869.52
Synonyms Catostomus urotensin I
Technology Synthetic
Storage -20°C, avoid light, cool and dry place
Application Cardiovascular System & Diseases
Description Urotensin I (Catostomus urotensin I), a CRF-like neuropeptide, acts as an agonist of CRF receptor with pEC50s of 11.46, 9.36 and 9.85 for human CRF1, human CRF2 and rat CRF2α receptors in CHO cells, and Kis of 0.4, 1.8, and 5.7 nM for hCRF1, rCRF2α and mCRF2β receptors, respectively.
References 1.  Characterisation using microphysiometry of CRF receptor pharmacology. Smart D, et al. Eur J Pharmacol. 1999 Aug 27;379(2-3):229-35. 2.  Corticotropin-releasing factor receptors 1 and 2 in anxiety and depression. Reul JM, et al. Curr Opin Pharmacol. 2002 Feb;2(1):23-33. 3.  Urotensin I, a CRF-like neuropeptide, stimulates acth release from the teleost pituitary. Fryer J, et al. Endocrinology. 1983;113(6):2308-2310. 4.  Urotensin I effects on intracellular content of cyclic AMP in the rat tail artery. Gerritsen ME, et al. Eur J Pharmacol. 1979;60(2-3):211-220.