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Structure-based mechanism of cysteinyl leukotriene receptor inhibition by antiasthmatic drugs

Journal Article · · Science Advances
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  1. Moscow Inst. of Physics and Technology, Dolgoprudny (Russia)
  2. Univ. de Sherbrooke, Quebec (Canada)
  3. Moscow Inst. of Physics and Technology, Dolgoprudny (Russia); Skolkovo Inst. of Science and Technology, Moscow (Russia)
  4. Univ. of Southern California, Los Angeles, CA (United States)
  5. Univ. of Southern California, Los Angeles, CA (United States); Merck Research Labs, West Point, PA (United States)
  6. Inst. of Complex Systems, Juelich (Germany); Univ. Grenoble Alpes-CEA-CNRS, Grenoble (France); Czech Academy of Sciences, Prague (Czech Republic)
  7. Univ. Grenoble Alpes-CEA-CNRS, Grenoble (France)
  8. Arizona State Univ., Tempe, AZ (United States)
  9. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  10. Moscow Inst. of Physics and Technology, Dolgoprudny (Russia); Inst. of Complex Systems, Juelich (Germany); Univ. Grenoble Alpes-CEA-CNRS, Grenoble (France); Juelich Center for Structural Biology, Juelich (Germany); RWTH Aachen Univ., Aachen (Germany)
  11. Univ. of Southern California, Los Angeles, CA (United States). Center for Energy Nanoscience and Technology
  12. Moscow Inst. of Physics and Technology, Dolgoprudny (Russia); Inst. of Complex Systems, Juelich (Germany); Juelich Center for Structural Biology, Juelich (Germany)
  13. Moscow Inst. of Physics and Technology, Dolgoprudny (Russia); Univ. of Southern California, Los Angeles, CA (United States)
The G protein–coupled cysteinyl leukotriene receptor CysLT1R mediates inflammatory processes and plays a major role in numerous disorders, including asthma, allergic rhinitis, cardiovascular disease, and cancer. Selective CysLT1R antagonists are widely prescribed as antiasthmatic drugs; however, these drugs demonstrate low effectiveness in some patients and exhibit a variety of side effects. To gain deeper understanding into the functional mechanisms of CysLTRs, we determined the crystal structures of CysLT1R bound to two chemically distinct antagonists, zafirlukast and pranlukast. The structures reveal unique ligand-binding modes and signaling mechanisms, including lateral ligand access to the orthosteric pocket between transmembrane helices TM4 and TM5, an atypical pattern of microswitches, and a distinct four-residue–coordinated sodium site. These results provide important insights and structural templates for rational discovery of safer and more effective drugs.
Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1577320
Journal Information:
Science Advances, Journal Name: Science Advances Journal Issue: 10 Vol. 5; ISSN 2375-2548
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (7)

Data set describing the in vitro biological activity of JMV2009, a novel silylated neurotensin(8–13) analog journal August 2020
Structural basis of ligand selectivity and disease mutations in cysteinyl leukotriene receptors journal December 2019
Structure-Based Virtual Screening for Ligands of G Protein–Coupled Receptors: What Can Molecular Docking Do for You? journal October 2021
Structural insights into melatonin receptors journal November 2019
Structural basis of ligand selectivity and disease mutations in cysteinyl leukotriene receptors text January 2019
Raman Scattering: From Structural Biology to Medical Applications text January 2020
Raman Scattering: From Structural Biology to Medical Applications journal January 2020

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