THE BASIC PRINCIPLES OF ACTAVIS PROMETHAZINE ONLINE

G-protein coupled opioid receptor that functions as a receptor for endogenous alpha-neoendorphins and dynorphins, but has small affinity for beta-endorphins. Also features as a receptor for a variety of synthetic opioids and for the psychoactive diterpene salvinorin A. Ligand binding will cause a conformation transform that triggers signaling by wa