image of a green circle Annotated and expert reviewed   image of an orange circle Annotated and awaiting review   image of a grey circle Awaiting annotation/under development
  Opioid receptors
image of a green circle Introduction
image of a green circle δ receptor
image of a green circle κ receptor
image of a green circle μ receptor
image of a green circle NOP receptor

To cite these family database pages, please use the following:

Lawrence Toll, Girolamo Caló, Brian M. Cox, 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, John R. Traynor, Hiroshi Ueda, Yung H. Wong.
Opioid receptors. Last modified on 11/06/2014. Accessed on 24/10/2014. IUPHAR database (IUPHAR-DB),

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