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- PDB-6pvn: Cryo-EM structure of mouse TRPV3-Y564A in putative sensitized sta... -

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Basic information

Entry
Database: PDB / ID: 6pvn
TitleCryo-EM structure of mouse TRPV3-Y564A in putative sensitized state at 4 degrees Celsius
ComponentsTransient receptor potential cation channel subfamily V member 3
KeywordsTRANSPORT PROTEIN / Ion Channels / Membrane Protein / TRP Channels
Function / homology
Function and homology information


negative regulation of hair cycle / TRP channels / response to temperature stimulus / positive regulation of calcium ion import / monoatomic cation channel activity / calcium channel activity / monoatomic ion channel activity / receptor complex / membrane / identical protein binding
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
Transient receptor potential cation channel subfamily V member 3
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.07 Å
AuthorsSingh, A.K. / McGoldrick, L.L. / Sobolevsky, A.I.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)R01 CA206573 United States
CitationJournal: Nat Struct Mol Biol / Year: 2019
Title: Structural basis of temperature sensation by the TRP channel TRPV3.
Authors: Appu K Singh / Luke L McGoldrick / Lusine Demirkhanyan / Merfilius Leslie / Eleonora Zakharian / Alexander I Sobolevsky /
Abstract: We present structures of mouse TRPV3 in temperature-dependent open, closed and intermediate states that suggest two-step activation of TRPV3 by heat. During the strongly temperature-dependent first ...We present structures of mouse TRPV3 in temperature-dependent open, closed and intermediate states that suggest two-step activation of TRPV3 by heat. During the strongly temperature-dependent first step, sensitization, the channel pore remains closed while S6 helices undergo α-to-π transitions. During the weakly temperature-dependent second step, channel opening, tight association of the S1-S4 and pore domains is stabilized by changes in the carboxy-terminal and linker domains.
History
DepositionJul 21, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 23, 2019Provider: repository / Type: Initial release
Revision 1.1Nov 6, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Nov 27, 2019Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Dec 4, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.4Mar 20, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Assembly

Deposited unit
A: Transient receptor potential cation channel subfamily V member 3
B: Transient receptor potential cation channel subfamily V member 3
C: Transient receptor potential cation channel subfamily V member 3
D: Transient receptor potential cation channel subfamily V member 3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)370,2006
Polymers370,1544
Non-polymers462
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area22890 Å2
ΔGint-242 kcal/mol
Surface area128870 Å2

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Components

#1: Protein
Transient receptor potential cation channel subfamily V member 3 / TrpV3


Mass: 92538.602 Da / Num. of mol.: 4 / Mutation: Y564A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Trpv3 / Production host: Homo sapiens (human) / References: UniProt: Q8K424
#2: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Na / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY

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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: TRPV3-Y564A in putative sensitized state at 4 degree Celsius
Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Source (natural)Organism: Mus musculus (house mouse)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 8
Details: 150 mM NaCl, 20 mM Tris-HCl, pH 8.0, 1 mM BME, 0.01% GDN
SpecimenConc.: 4.07 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: unspecified
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 42 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy
Image recordingElectron dose: 57 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM softwareName: RELION / Category: 3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 4.07 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 130958 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL

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