BUY ACTAVIS PROMETHAZINE WITH CODEINE SYRUP SECRETS

G-protein coupled opioid receptor that capabilities as being a receptor for endogenous alpha-neoendorphins and dynorphins, but has very low affinity for beta-endorphins. Also features as a receptor for a variety of artificial opioids and for the psychoactive diterpene salvinorin A. Ligand binding will cause a conformation change that triggers signa