(Tyr0)-Urocortin, rat is a high-affinity agonist of corticotropin-releasing factor receptor type 1 (CRF-R1) and type 2 (CRF-R2). (Tyr0)-Urocortin, rat shows inhibitory binding constants (Ki) of 1-2 nM[1].
[1] Perrin MH, et al. Comparison of an agonist, urocortin, and an antagonist, astressin, as radioligands for characterization of corticotropin-releasing factor receptors. J Pharmacol Exp Ther. 1999 Feb;288(2):729-34. PMID:9918582
