WHAT DOES ACTAVIS PROMETHAZINE FOR SALE MEAN?

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