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- PDB-6u84: Apo full-length rat TRPV2 in nanodiscs, state 1 -

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Basic information

Entry
Database: PDB / ID: 6u84
TitleApo full-length rat TRPV2 in nanodiscs, state 1
ComponentsTransient receptor potential cation channel subfamily V member 2
KeywordsTRANSPORT PROTEIN / ion channel / TRPV2 / TRP channel / cannabidiol
Function / homology
Function and homology information


growth cone membrane / TRP channels / response to temperature stimulus / positive regulation of calcium ion import / calcium ion import across plasma membrane / axonal growth cone / positive regulation of axon extension / monoatomic cation channel activity / endomembrane system / calcium channel activity ...growth cone membrane / TRP channels / response to temperature stimulus / positive regulation of calcium ion import / calcium ion import across plasma membrane / axonal growth cone / positive regulation of axon extension / monoatomic cation channel activity / endomembrane system / calcium channel activity / melanosome / lamellipodium / positive regulation of cold-induced thermogenesis / cell body / negative regulation of cell population proliferation / axon / cell surface / identical protein binding / plasma membrane
Similarity search - Function
Ankyrin repeat-containing domain / Transient receptor potential cation channel subfamily V member 1-4 / Transient receptor potential cation channel subfamily V / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat ...Ankyrin repeat-containing domain / Transient receptor potential cation channel subfamily V member 1-4 / Transient receptor potential cation channel subfamily V / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat / Ion transport domain / Ion transport protein / Alpha Horseshoe / Mainly Alpha
Similarity search - Domain/homology
Transient receptor potential cation channel subfamily V member 2
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsPumroy, R.A. / Moiseenkova-Bell, V.Y.
Funding support United States, 4items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM103899 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM129357 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01NS055159 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM093290 United States
CitationJournal: Elife / Year: 2019
Title: Molecular mechanism of TRPV2 channel modulation by cannabidiol.
Authors: Ruth A Pumroy / Amrita Samanta / Yuhang Liu / Taylor Et Hughes / Siyuan Zhao / Yevgen Yudin / Tibor Rohacs / Seungil Han / Vera Y Moiseenkova-Bell /
Abstract: Transient receptor potential vanilloid 2 (TRPV2) plays a critical role in neuronal development, cardiac function, immunity, and cancer. Cannabidiol (CBD), the non-psychotropic therapeutically active ...Transient receptor potential vanilloid 2 (TRPV2) plays a critical role in neuronal development, cardiac function, immunity, and cancer. Cannabidiol (CBD), the non-psychotropic therapeutically active ingredient of , is an activator of TRPV2 and also modulates other transient receptor potential (TRP) channels. Here, we determined structures of the full-length rat TRPV2 channel in apo and CBD-bound states in nanodiscs by cryo-electron microscopy. We show that CBD interacts with TRPV2 through a hydrophobic pocket located between S5 and S6 helices of adjacent subunits, which differs from known ligand and lipid binding sites in other TRP channels. CBD-bound TRPV2 structures revealed that the S4-S5 linker plays a critical role in channel gating upon CBD binding. Additionally, nanodiscs permitted us to visualize two distinct TRPV2 apo states in a lipid environment. Together these results provide a foundation to further understand TRPV channel gating, their divergent physiological functions, and to accelerate structure-based drug design.
History
DepositionSep 4, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 16, 2019Provider: repository / Type: Initial release
Revision 1.1Jan 8, 2020Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.2Mar 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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Structure visualization

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Assembly

Deposited unit
A: Transient receptor potential cation channel subfamily V member 2
B: Transient receptor potential cation channel subfamily V member 2
C: Transient receptor potential cation channel subfamily V member 2
D: Transient receptor potential cation channel subfamily V member 2


Theoretical massNumber of molelcules
Total (without water)347,1964
Polymers347,1964
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area25490 Å2
ΔGint-238 kcal/mol
Surface area106690 Å2

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Components

#1: Protein
Transient receptor potential cation channel subfamily V member 2 / TrpV2 / Osm-9-like TRP channel 2 / OTRPC2 / Stretch-activated channel 2B / Vanilloid receptor-like ...TrpV2 / Osm-9-like TRP channel 2 / OTRPC2 / Stretch-activated channel 2B / Vanilloid receptor-like protein 1 / VRL-1


Mass: 86798.891 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: Trpv2, Sac2b, Vrl1 / Production host: Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: Q9WUD2

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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: Homotetramer of rat TRPV2 / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Rattus norvegicus (Norway rat)
Source (recombinant)Organism: Saccharomyces cerevisiae (brewer's yeast)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: unspecified
VitrificationCryogen name: ETHANE

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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 FIELD
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C4 (4 fold cyclic)
3D reconstructionResolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 42407 / Symmetry type: POINT

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