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Title | Human TRPV1 structure and inhibition by the analgesic SB-366791. |
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Journal, issue, pages | Nat Commun, Vol. 14, Issue 1, Page 2451, Year 2023 |
Publish date | Apr 28, 2023 |
Authors | Arthur Neuberger / Mai Oda / Yury A Nikolaev / Kirill D Nadezhdin / Elena O Gracheva / Sviatoslav N Bagriantsev / Alexander I Sobolevsky / |
PubMed Abstract | Pain therapy has remained conceptually stagnant since the opioid crisis, which highlighted the dangers of treating pain with opioids. An alternative addiction-free strategy to conventional painkiller- ...Pain therapy has remained conceptually stagnant since the opioid crisis, which highlighted the dangers of treating pain with opioids. An alternative addiction-free strategy to conventional painkiller-based treatment is targeting receptors at the origin of the pain pathway, such as transient receptor potential (TRP) ion channels. Thus, a founding member of the vanilloid subfamily of TRP channels, TRPV1, represents one of the most sought-after pain therapy targets. The need for selective TRPV1 inhibitors extends beyond pain treatment, to other diseases associated with this channel, including psychiatric disorders. Here we report the cryo-electron microscopy structures of human TRPV1 in the apo state and in complex with the TRPV1-specific nanomolar-affinity analgesic antagonist SB-366791. SB-366791 binds to the vanilloid site and acts as an allosteric hTRPV1 inhibitor. SB-366791 binding site is supported by mutagenesis combined with electrophysiological recordings and can be further explored to design new drugs targeting TRPV1 in disease conditions. |
External links | Nat Commun / PubMed:37117175 / PubMed Central |
Methods | EM (single particle) |
Resolution | 2.29 - 2.9 Å |
Structure data | EMDB-29981: Cryo-EM structure of human TRPV1 in cNW11 nanodisc with soybean lipids EMDB-29982: Cryo-EM structure of human TRPV1 in cNW11 nanodisc with POPC:POPE:POPG EMDB-29983, PDB-8gfa: |
Chemicals | ChemComp-POV: ChemComp-8IJ: ChemComp-NA: ChemComp-HOH: ChemComp-ZEI: ChemComp-DU0: |
Source |
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Keywords | MEMBRANE PROTEIN / transient receptor potential V family member 1 / vanilloid / TRP / apo / human / channel / TRPV1 / TRP channels / pain / cNW11 / nanodiscs / thermo-TRP / temperature sensation / POPC:POPE:POPG / inhibition / antagonist / analgesic / drug / SB-366791 / GDN / detergent / glyco-diosgenin |