Structural basis for bifunctional peptide recognition at human δ-opioid receptor
Journal Article
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· Nature Structural & Molecular Biology
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- The Scripps Research Inst., La Jolla, CA (United States)
- Arizona State Univ., Tempe, AZ (United States)
- Vrije Universiteit Brussel (VUB), Brussels (Belgium)
- University of North Carolina, Chapel Hill, NC (United States)
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Univ. of Hamburg (Germany)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); European X-ray Free-Electron Laser (XFEL), Hamburg (Germany)
- Clinical Research Institute of Montreal, QC (Canada)
Bifunctional μ- and δ-opioid receptor (OR) ligands are potential therapeutic alternatives, with diminished side effects, to alkaloid opiate analgesics. We solved the structure of human δ-OR bound to the bifunctional δ-OR antagonist and μ-OR agonist tetrapeptide H-Dmt-Tic-Phe-Phe-NH2 (DIPP-NH2) by serial femtosecond crystallography, revealing a cis-peptide bond between H-Dmt and Tic. Finally, the observed receptor-peptide interactions are critical for understanding of the pharmacological profiles of opioid peptides and for development of improved analgesics.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Institutes of Health (NIH)
- Contributing Organization:
- Argonne National Laboratory (ANL)
- Grant/Contract Number:
- AC02-76SF00515; U54 GM094618; R01 GM108635; R01 GM095583; DA-004443; Y1-CO-1020
- OSTI ID:
- 2530157
- Alternate ID(s):
- OSTI ID: 1178834
- Journal Information:
- Nature Structural & Molecular Biology, Vol. 22, Issue 3; ISSN 1545-9993
- Publisher:
- Nature Publishing GroupCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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