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TitleHuman TRPV1 structure and inhibition by the analgesic SB-366791.
Journal, issue, pagesNat Commun, Vol. 14, Issue 1, Page 2451, Year 2023
Publish dateApr 28, 2023
AuthorsArthur Neuberger / Mai Oda / Yury A Nikolaev / Kirill D Nadezhdin / Elena O Gracheva / Sviatoslav N Bagriantsev / Alexander I Sobolevsky /
PubMed AbstractPain 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 linksNat Commun / PubMed:37117175 / PubMed Central
MethodsEM (single particle)
Resolution2.29 - 2.9 Å
Structure data

EMDB-29981: Cryo-EM structure of human TRPV1 in cNW11 nanodisc with soybean lipids
PDB-8gf8: Cryo-EM structure of human TRPV1 in cNW11 nanodisc and soybean lipids
Method: EM (single particle) / Resolution: 2.9 Å

EMDB-29982: Cryo-EM structure of human TRPV1 in cNW11 nanodisc with POPC:POPE:POPG
PDB-8gf9: Cryo-EM structure of human TRPV1 in cNW11 nanodisc and POPC:POPE:POPG lipids
Method: EM (single particle) / Resolution: 2.58 Å

EMDB-29983, PDB-8gfa:
Cryo-EM structure of human TRPV1 in complex with the analgesic drug SB-366791
Method: EM (single particle) / Resolution: 2.29 Å

Chemicals

ChemComp-POV:
(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate / phospholipid*YM

ChemComp-8IJ:
(2R)-3-{[(R)-hydroxy{[(1S,2R,3R,4S,5S,6R)-2,3,4,5,6-pentahydroxycyclohexyl]oxy}phosphoryl]oxy}propane-1,2-diyl dioctadecanoate

ChemComp-NA:
Unknown entry

ChemComp-HOH:
WATER

ChemComp-ZEI:
(2E)-3-(4-chlorophenyl)-N-(3-methoxyphenyl)prop-2-enamide

ChemComp-DU0:
2-[2-[(1~{S},2~{S},4~{S},5'~{R},6~{R},7~{S},8~{R},9~{S},12~{S},13~{R},16~{S})-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icos-18-ene-6,2'-oxane]-16-yl]oxyethyl]propane-1,3-diol

Source
  • homo sapiens (human)
KeywordsMEMBRANE 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

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