EXAMINE THIS REPORT ON ACTAVIS PROMETHAZINE FOR SALE

G-protein coupled opioid receptor that capabilities like a receptor for endogenous alpha-neoendorphins and dynorphins, but has small affinity for beta-endorphins. Also functions as being a receptor for various synthetic opioids and with the psychoactive diterpene salvinorin A. Ligand binding results in a conformation modify that triggers signaling