(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8) (E-2078), a stable Dynorphin A (1–8) (HY-P2159) analog, is a kappa opioid receptor (KOR) agonist[1].
IC 50
κ Opioid Receptor/KOR
References
[1] Butelman ER, et al. Effects of E-2078, a stable dynorphin A(1-8) analog, on sedation and serum prolactin levels in rhesus monkeys. Psychopharmacology (Berl). 1999 Nov;147(1):73-80. DOI:10.1007/s002130051144