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Receptors G protein-coupled receptors 5-Hydroxytryptamine receptors Acetylcholine receptors (muscarinic) Adenosine receptors Adrenoceptors Angiotensin receptors Apelin receptor Bile acid receptor Bombesin receptors Bradykinin receptors Calcitonin receptors Calcium-sensing receptors Cannabinoid receptors Chemerin receptor Chemokine receptors Cholecystokinin receptors Complement peptide receptors Corticotropin-releasing factor receptors Dopamine receptors Endothelin receptors Estrogen (G protein-coupled) receptor Formylpeptide receptors Free fatty acid receptors Frizzleds GABAB receptors Galanin receptors Ghrelin receptor Glucagon receptor family Glycoprotein hormone receptors Gonadotrophin-releasing hormone receptors Histamine receptors Hydroxycarboxylic acid receptors Kisspeptin receptor Leukotriene receptors Lysophospholipid (LPA) receptors Lysophospholipid (S1P) receptors Melanin-concentrating hormone receptors Melanocortin receptors Melatonin receptors Metabotropic glutamate receptors Motilin receptor Neuromedin U receptors Neuropeptide FF/neuropeptide AF receptors Neuropeptide S receptor Neuropeptide W/neuropeptide B receptors Neuropeptide Y receptors Neurotensin receptors Opioid receptors Orexin receptors Oxoglutarate receptor P2Y receptors Parathyroid hormone receptors Peptide P518 receptor Platelet-activating factor receptor Prokineticin receptors Prolactin-releasing peptide receptor Prostanoid receptors Protease-activated receptors Relaxin family peptide receptors Somatostatin receptors Succinate receptor Tachykinin receptors Thyrotropin-releasing hormone receptors Trace amine receptor Urotensin receptor Vasopressin and oxytocin receptors VIP and PACAP receptors Class A Orphans Class B Orphans Class C Orphans Taste 1 receptors Other 7TM proteins Nuclear hormone receptors 1A. Thyroid Hormone Receptors 1B. Retinoic acid receptors 1C. Peroxisome proliferator-activated receptors 1D. Rev-Erb receptors 1F. RAR-related orphan receptors 1H. Liver X receptor-like receptors 1I. Vitamin D receptor-like receptors 2A. Hepatocyte nuclear factor-4 receptors 2B. Retinoid X receptors 2C. Testicular receptors 2E. Tailless-like receptors 2F. COUP-TF-like receptors 3A. Estrogen receptors 3B. Estrogen-related receptors 3C. 3-Ketosteroid receptors 4A. Nerve growth factor IB-like receptors 5A. Fushi tarazu F1-like receptors 6A. Germ cell nuclear factor receptors 0B. DAX-like receptors Receptor Kinases Other protein kinases Receptor Guanylate Cyclase (RGC) family TK: Tyrosine kinase Receptor Tyrosine Kinases Alk family Axl family CCK4 family DDR (collagen receptor) family Ephrin receptor family ErbB (epidermal growth factor) receptor family FGF (fibroblast growth factor) receptor family Insulin receptor (InsR) family Lmr family Met family Musk family PDGF (platelet-derived growth factor) receptor family Ret family Ror family Ryk family Sev family Tie family TK-unique family Trk family VEGF (vascular endothelial growth factor) receptor family TKL: Tyrosine kinase-like Receptor serine/threonine kinase (RSTK) family Type I subfamily Type II subfamily Expand All Nodes, Collapse All Nodes

Opioid receptors Introduction Contributors References δ receptor κ receptor μ receptor NOP receptor To cite these family database pages, please use the following: Brian M. Cox, Anna Borsodi, Girolamo Caló, Charles Chavkin, MacDonald J. Christie, Olivier Civelli, Lakshmi A. Devi, Christopher Evans, Graeme Henderson, Volker Höllt, Brigitte Kieffer, Ian Kitchen, Mary-Jeanne Kreek, Lee-Yuan Liu-Chen, Jean-Claude Meunier, Philip S. Portoghese, Toni S. Shippenberg, Eric J. Simon, Lawrence Toll, John R. Traynor, Hiroshi Ueda, Yung H. Wong. Opioid receptors. Last modified on 13/03/2013. Accessed on 23/05/2013. IUPHAR database (IUPHAR-DB), http://www.iuphar-db.org/DATABASE/FamilyMenuForward?familyId=50.

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