5 EASY FACTS ABOUT BUY ACTAVIS COUGH SYRUP DESCRIBED

G-protein coupled opioid receptor that capabilities as being a receptor for endogenous alpha-neoendorphins and dynorphins, but has minimal affinity for beta-endorphins. Also functions as a receptor for several synthetic opioids and for the psychoactive diterpene salvinorin A. Ligand binding will cause a conformation improve that triggers signaling