BUY ACTAVIS SYRUP ONLINE - AN OVERVIEW

G-protein coupled opioid receptor that functions as a receptor for endogenous alpha-neoendorphins and dynorphins, but has lower affinity for beta-endorphins. Also features as being a receptor for a variety of synthetic opioids and for that psychoactive diterpene salvinorin A. Ligand binding results in a conformation improve that triggers signaling