Tags: Protein.
The μ-opioid receptors (MOR) are a class of opioid receptors with high affinity for enkephalins and beta-endorphin but low affinity for dynorphins. They are also referred to as μ opioid peptide (MOP) receptors. The prototypical μ receptor agonist is morphine the primary psychoactive alkaloid in opium. In fact μ (mu) refers to morphine.
