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- PDB-8gfa: Cryo-EM structure of human TRPV1 in complex with the analgesic dr... -

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Basic information

Entry
Database: PDB / ID: 8gfa
TitleCryo-EM structure of human TRPV1 in complex with the analgesic drug SB-366791
ComponentsTransient receptor potential cation channel subfamily V member 1
KeywordsMEMBRANE PROTEIN / transient receptor potential V family member 1 / TRP / human / channel / inhibition / antagonist / TRPV1 / TRP channels / pain / analgesic / drug / SB-366791 / thermo-TRP / temperature sensation / vanilloid / GDN / detergent / glyco-diosgenin
Function / homology
Function and homology information


chemosensory behavior / response to capsazepine / sensory perception of mechanical stimulus / peptide secretion / excitatory extracellular ligand-gated monoatomic ion channel activity / temperature-gated ion channel activity / detection of chemical stimulus involved in sensory perception of pain / smooth muscle contraction involved in micturition / fever generation / detection of temperature stimulus involved in thermoception ...chemosensory behavior / response to capsazepine / sensory perception of mechanical stimulus / peptide secretion / excitatory extracellular ligand-gated monoatomic ion channel activity / temperature-gated ion channel activity / detection of chemical stimulus involved in sensory perception of pain / smooth muscle contraction involved in micturition / fever generation / detection of temperature stimulus involved in thermoception / thermoception / cellular response to acidic pH / dendritic spine membrane / TRP channels / diet induced thermogenesis / cellular response to alkaloid / cellular response to ATP / detection of temperature stimulus involved in sensory perception of pain / intracellularly gated calcium channel activity / behavioral response to pain / calcium ion import across plasma membrane / voltage-gated calcium channel activity / extracellular ligand-gated monoatomic ion channel activity / phosphatidylinositol binding / phosphoprotein binding / GABA-ergic synapse / calcium ion transmembrane transport / calcium channel activity / lipid metabolic process / transmembrane signaling receptor activity / sensory perception of taste / cellular response to heat / protein homotetramerization / postsynaptic membrane / calmodulin binding / cell surface receptor signaling pathway / negative regulation of transcription by RNA polymerase II / ATP binding / metal ion binding / membrane / plasma membrane
Similarity search - Function
Transient receptor potential cation channel subfamily V member 1-4 / Transient receptor potential cation channel subfamily V / Ankyrin repeat / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Ion transport domain / Ion transport protein
Similarity search - Domain/homology
Chem-DU0 / Chem-POV / Chem-ZEI / Transient receptor potential cation channel subfamily V member 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.29 Å
AuthorsNeuberger, A. / Nadezhdin, K.D. / Sobolevsky, A.I.
Funding support United States, Germany, 5items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)R01 CA206573 United States
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)R01 NS083660 United States
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)R01 NS107253 United States
National Institutes of Health/National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIH/NIAMS)R01 AR078814 United States
German Research Foundation (DFG)464295817 Germany
CitationJournal: Nat Commun / Year: 2023
Title: Human TRPV1 structure and inhibition by the analgesic SB-366791.
Authors: Arthur Neuberger / Mai Oda / Yury A Nikolaev / Kirill D Nadezhdin / Elena O Gracheva / Sviatoslav N Bagriantsev / Alexander I Sobolevsky /
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.
History
DepositionMar 7, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 10, 2023Provider: repository / Type: Initial release
Revision 1.1Oct 23, 2024Group: Data collection / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Transient receptor potential cation channel subfamily V member 1
B: Transient receptor potential cation channel subfamily V member 1
C: Transient receptor potential cation channel subfamily V member 1
D: Transient receptor potential cation channel subfamily V member 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)528,92850
Polymers498,3014
Non-polymers30,62746
Water1,892105
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 1 types, 4 molecules ABCD

#1: Protein
Transient receptor potential cation channel subfamily V member 1 / TrpV1 / Capsaicin receptor / Osm-9-like TRP channel 1 / OTRPC1 / Vanilloid receptor 1


Mass: 124575.281 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TRPV1, VR1 / Plasmid: pEG BacMam / Cell line (production host): HEK293 / Production host: Homo sapiens (human) / Variant (production host): suspension-adapted cells / References: UniProt: Q8NER1

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Non-polymers , 5 types, 151 molecules

#2: Chemical...
ChemComp-POV / (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate / POPC


Mass: 760.076 Da / Num. of mol.: 36 / Source method: obtained synthetically / Formula: C42H82NO8P / Comment: phospholipid*YM
#3: Chemical
ChemComp-ZEI / (2E)-3-(4-chlorophenyl)-N-(3-methoxyphenyl)prop-2-enamide / SB-366791


Mass: 287.741 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C16H14ClNO2 / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical
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


Mass: 516.752 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C32H52O5
#5: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Na
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 105 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: sample 1 / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Molecular weightValue: 0.09497 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human) / Cell: Human embryonic kidney 293 / Plasmid: pEG BacMam
Buffer solutionpH: 8
Buffer component
IDConc.NameFormulaBuffer-ID
1150 mMsodium chlorideNaCl1
220 mMtris(hydroxymethyl)aminomethane1
31 mMbeta-Mercaptoethanol1
40.01 %glyco-diosgenin (GDN)1
50.121 mMSB-3667911
SpecimenConc.: 3 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: human TRPV1
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: UltrAuFoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 1500 nm / Nominal defocus min: 750 nm / Cs: 2.7 mm
Image recordingAverage exposure time: 1.87 sec. / Electron dose: 60 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 4188
Image scansWidth: 5760 / Height: 4092

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Processing

EM software
IDNameVersionCategory
1cryoSPARCparticle selection
4cryoSPARCCTF correction
7Coot0.9.8.1model fitting
9cryoSPARCinitial Euler assignment
10cryoSPARCfinal Euler assignment
11cryoSPARCclassification
12cryoSPARC3D reconstruction
13PHENIX1.19.2model refinement
CTF correctionType: NONE
Particle selectionNum. of particles selected: 1988636
3D reconstructionResolution: 2.29 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 67470 / Symmetry type: POINT
Atomic model buildingSpace: REAL
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.01339980
ELECTRON MICROSCOPYf_angle_d1.17972712
ELECTRON MICROSCOPYf_dihedral_angle_d13.87816008
ELECTRON MICROSCOPYf_chiral_restr0.0962760
ELECTRON MICROSCOPYf_plane_restr0.0075492

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