Selective and competitive urotensin-II (UT) receptor antagonist (pKB = 8.3). Blocks hU-II induced contractions in thoracic aorta ex vivo. Exhibits no effect on noradrenaline or endothelin 1-induced contraction or on acetylcholine-induced relaxation. Behaves as a partial agonist in a calcium mobilization assay (in CHO cells expressing hUT receptors).
|Sequence||DXFWXYCV(Modifications: X-2 = Pen, X-5 = Orn, Trp-4 = D-Trp, Disulfide bridge: 2-7)|
|Storage||Store at -20°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solubility||Soluble to 2 mg/ml in water|
References are publications that support the biological activity of the product.
Patacchini et al (2003) Urantide: an ultrapotent urotensin II antagonist peptide in the rat aorta. Br.J.Pharmacol. 140 1155 PMID: 14645137
Carotenuto et al (2014) Lead optimization of P5U and urantide: discovery of novel potent ligands at the urotensin-II receptor. J.Med.Chem. 57 5965 PMID: 24992374
If you know of a relevant reference for Urantide, please let us know.
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Keywords: Urantide, Urantide supplier, Selective, competitive, urotensin, II, antagonists, [Pen5,DTrp7,Orn8]hU-II(4-11), Urotensin-II, Receptors, 5296, Tocris Bioscience
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