Opioid receptor

An animated view of the human κ-opioid receptor in complex with the antagonist JDTic.

Opioid receptors are a group of inhibitory G protein-coupled receptors with opioids as ligands.[1][2][3] The endogenous opioids are dynorphins, enkephalins, endorphins, endomorphins and nociceptin. The opioid receptors are ~40% identical to somatostatin receptors (SSTRs). Opioid receptors are distributed widely in the brain, in the spinal cord, on peripheral neurons, and digestive tract.

  1. ^ Dhawan BN, Cesselin F, Raghubir R, Reisine T, Bradley PB, Portoghese PS, Hamon M (December 1996). "International Union of Pharmacology. XII. Classification of opioid receptors". Pharmacological Reviews. 48 (4): 567–92. PMID 8981566.Open access icon
  2. ^ Janecka A, Fichna J, Janecki T (2004). "Opioid receptors and their ligands". Current Topics in Medicinal Chemistry. 4 (1): 1–17. doi:10.2174/1568026043451618. PMID 14754373.Open access icon
  3. ^ Waldhoer M, Bartlett SE, Whistler JL (2004). "Opioid receptors". Annual Review of Biochemistry. 73: 953–90. doi:10.1146/annurev.biochem.73.011303.073940. PMID 15189164.Closed access icon

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