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- EMDB-20682: CBD-bound full-length rat TRPV2 in nanodiscs, state 2 -

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Basic information

Entry
Database: EMDB / ID: EMD-20682
TitleCBD-bound full-length rat TRPV2 in nanodiscs, state 2
Map dataCBD-bound full-length rat TRPV2 in nanodiscs
Sample
  • Complex: Homotetramer of rat TRPV2
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 2
  • Ligand: cannabidiol
Keywordsion channel / TRPV2 / TRP channel / cannabidiol / TRANSPORT PROTEIN
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 / axon / negative regulation of cell population proliferation / cell surface / identical protein binding / plasma membrane
Similarity search - Function
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 / Ion transport domain / Ion transport protein
Similarity search - Domain/homology
Transient receptor potential cation channel subfamily V member 2
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsPumroy RA / Moiseenkova-Bell VY
Funding support United States, 4 items
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, 2019-
Header (metadata) releaseOct 2, 2019-
Map releaseOct 16, 2019-
UpdateMar 20, 2024-
Current statusMar 20, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.02
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  • Surface view colored by cylindrical radius
  • Surface level: 0.02
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  • Surface view with fitted model
  • Atomic models: PDB-6u88
  • Surface level: 0.02
  • Imaged by UCSF Chimera
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Structure viewerEM map:
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Downloads & links

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Map

FileDownload / File: emd_20682.map.gz / Format: CCP4 / Size: 91.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationCBD-bound full-length rat TRPV2 in nanodiscs
Voxel sizeX=Y=Z: 1.06 Å
Density
Contour LevelBy AUTHOR: 0.02 / Movie #1: 0.02
Minimum - Maximum-0.07525047 - 0.14953096
Average (Standard dev.)-0.000013247252 (±0.0051013315)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions288288288
Spacing288288288
CellA=B=C: 305.27997 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.061.061.06
M x/y/z288288288
origin x/y/z0.0000.0000.000
length x/y/z305.280305.280305.280
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS288288288
D min/max/mean-0.0750.150-0.000

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Supplemental data

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Sample components

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Entire : Homotetramer of rat TRPV2

EntireName: Homotetramer of rat TRPV2
Components
  • Complex: Homotetramer of rat TRPV2
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 2
  • Ligand: cannabidiol

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Supramolecule #1: Homotetramer of rat TRPV2

SupramoleculeName: Homotetramer of rat TRPV2 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Rattus norvegicus (Norway rat)

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Macromolecule #1: Transient receptor potential cation channel subfamily V member 2

MacromoleculeName: Transient receptor potential cation channel subfamily V member 2
type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 86.798891 KDa
Recombinant expressionOrganism: Saccharomyces cerevisiae (brewer's yeast)
SequenceString: MTSASSPPAF RLETSDGDEE GNAEVNKGKQ EPPPMESPFQ REDRNSSPQI KVNLNFIKRP PKNTSAPSQQ EPDRFDRDRL FSVVSRGVP EELTGLLEYL RWNSKYLTDS AYTEGSTGKT CLMKAVLNLQ DGVNACIMPL LQIDKDSGNP KLLVNAQCTD E FYQGHSAL ...String:
MTSASSPPAF RLETSDGDEE GNAEVNKGKQ EPPPMESPFQ REDRNSSPQI KVNLNFIKRP PKNTSAPSQQ EPDRFDRDRL FSVVSRGVP EELTGLLEYL RWNSKYLTDS AYTEGSTGKT CLMKAVLNLQ DGVNACIMPL LQIDKDSGNP KLLVNAQCTD E FYQGHSAL HIAIEKRSLQ CVKLLVENGA DVHLRACGRF FQKHQGTCFY FGELPLSLAA CTKQWDVVTY LLENPHQPAS LE ATDSLGN TVLHALVMIA DNSPENSALV IHMYDGLLQM GARLCPTVQL EEISNHQGLT PLKLAAKEGK IEIFRHILQR EFS GPYQPL SRKFTEWCYG PVRVSLYDLS SVDSWEKNSV LEIIAFHCKS PNRHRMVVLE PLNKLLQEKW DRLVSRFFFN FACY LVYMF IFTVVAYHQP SLDQPAIPSS KATFGESMLL LGHILILLGG IYLLLGQLWY FWRRRLFIWI SFMDSYFEIL FLLQA LLTV LSQVLRFMET EWYLPLLVLS LVLGWLNLLY YTRGFQHTGI YSVMIQKVIL RDLLRFLLVY LVFLFGFAVA LVSLSR EAR SPKAPEDNNS TVTEQPTVGQ EEEPAPYRSI LDASLELFKF TIGMGELAFQ EQLRFRGVVL LLLLAYVLLT YVLLLNM LI ALMSETVNHV ADNSWSIWKL QKAISVLEME NGYWWCRRKK HREGRLLKVG TRGDGTPDER WCFRVEEVNW AAWEKTLP T LSEDPSGPGI TGNKKNPTSK PGKNSASEED HLPLQVLQSP

UniProtKB: Transient receptor potential cation channel subfamily V member 2

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Macromolecule #2: cannabidiol

MacromoleculeName: cannabidiol / type: ligand / ID: 2 / Number of copies: 4 / Formula: P0T
Molecular weightTheoretical: 314.462 Da
Chemical component information

ChemComp-P0T:
cannabidiol

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 8
GridDetails: unspecified
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: EMDB MAP
Final reconstructionApplied symmetry - Point group: C4 (4 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 36153
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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