OPRM1 (Mu-Opioid Receptor)

OPRM1

G-protein coupled receptor (Gi/o) mediating analgesia, euphoria, respiratory depression, and physical dependence.

Function

Primary target for opioid analgesics (morphine, fentanyl, oxycodone). Activation produces potent analgesia but also respiratory depression and addiction.

Drugs Acting on This Target

Drug Action Primary
Morphine Agonist Yes
Oxycodone Agonist Yes
Tramadol Agonist

Related Targets