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- EMDB-23478: Cryo-EM structure of full-length TRPV1 with capsaicin at 48 degre... -

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Basic information

Entry
Database: EMDB / ID: EMD-23478
TitleCryo-EM structure of full-length TRPV1 with capsaicin at 48 degrees Celsius, in an intermediate state, class 2
Map dataMap
Sample
  • Complex: Transient receptor potential cation channel subfamily V member 1
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 1
  • Ligand: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine
  • Ligand: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate
  • Ligand: (6E)-N-(4-hydroxy-3-methoxybenzyl)-8-methylnon-6-enamide
KeywordsHeat sensing ion channel / MEMBRANE PROTEIN
Function / homology
Function and homology information


negative regulation of establishment of blood-brain barrier / response to capsazepine / sensory perception of mechanical stimulus / peptide secretion / cellular response to temperature stimulus / excitatory extracellular ligand-gated monoatomic ion channel activity / temperature-gated ion channel activity / detection of chemical stimulus involved in sensory perception of pain / TRP channels / smooth muscle contraction involved in micturition ...negative regulation of establishment of blood-brain barrier / response to capsazepine / sensory perception of mechanical stimulus / peptide secretion / cellular response to temperature stimulus / excitatory extracellular ligand-gated monoatomic ion channel activity / temperature-gated ion channel activity / detection of chemical stimulus involved in sensory perception of pain / TRP channels / smooth muscle contraction involved in micturition / fever generation / urinary bladder smooth muscle contraction / thermoception / detection of temperature stimulus involved in thermoception / cellular response to acidic pH / negative regulation of systemic arterial blood pressure / response to pH / chloride channel regulator activity / dendritic spine membrane / glutamate secretion / monoatomic cation transmembrane transporter activity / cellular response to ATP / negative regulation of heart rate / ligand-gated monoatomic ion channel activity / response to pain / cellular response to alkaloid / temperature homeostasis / diet induced thermogenesis / cellular response to cytokine stimulus / detection of temperature stimulus involved in sensory perception of pain / intracellularly gated calcium channel activity / behavioral response to pain / negative regulation of mitochondrial membrane potential / calcium ion import across plasma membrane / monoatomic cation channel activity / extracellular ligand-gated monoatomic ion channel activity / sensory perception of pain / phosphatidylinositol binding / phosphoprotein binding / microglial cell activation / cellular response to nerve growth factor stimulus / GABA-ergic synapse / calcium ion transmembrane transport / calcium channel activity / cellular response to growth factor stimulus / response to peptide hormone / lipid metabolic process / positive regulation of nitric oxide biosynthetic process / calcium ion transport / transmembrane signaling receptor activity / cellular response to tumor necrosis factor / sensory perception of taste / cellular response to heat / positive regulation of cytosolic calcium ion concentration / response to heat / monoatomic ion transmembrane transport / protein homotetramerization / postsynaptic membrane / calmodulin binding / neuron projection / positive regulation of apoptotic process / external side of plasma membrane / neuronal cell body / dendrite / negative regulation of transcription by RNA polymerase II / ATP binding / metal ion binding / identical protein 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
Transient receptor potential cation channel subfamily V member 1
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.55 Å
AuthorsKwon DH / Zhang F
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)R35NS097241 United States
CitationJournal: Nat Struct Mol Biol / Year: 2021
Title: Heat-dependent opening of TRPV1 in the presence of capsaicin.
Authors: Do Hoon Kwon / Feng Zhang / Yang Suo / Jonathan Bouvette / Mario J Borgnia / Seok-Yong Lee /
Abstract: Transient receptor potential vanilloid member 1 (TRPV1) is a Ca-permeable cation channel that serves as the primary heat and capsaicin sensor in humans. Using cryo-EM, we have determined the ...Transient receptor potential vanilloid member 1 (TRPV1) is a Ca-permeable cation channel that serves as the primary heat and capsaicin sensor in humans. Using cryo-EM, we have determined the structures of apo and capsaicin-bound full-length rat TRPV1 reconstituted into lipid nanodiscs over a range of temperatures. This has allowed us to visualize the noxious heat-induced opening of TRPV1 in the presence of capsaicin. Notably, noxious heat-dependent TRPV1 opening comprises stepwise conformational transitions. Global conformational changes across multiple subdomains of TRPV1 are followed by the rearrangement of the outer pore, leading to gate opening. Solvent-accessible surface area analyses and functional studies suggest that a subset of residues form an interaction network that is directly involved in heat sensing. Our study provides a glimpse of the molecular principles underlying noxious physical and chemical stimuli sensing by TRPV1, which can be extended to other thermal sensing ion channels.
History
DepositionFeb 11, 2021-
Header (metadata) releaseJul 28, 2021-
Map releaseJul 28, 2021-
UpdateNov 6, 2024-
Current statusNov 6, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.4
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.4
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7lpd
  • Surface level: 0.4
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_23478.png

Downloads & links

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Map

FileDownload / File: emd_23478.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationMap
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 256 pix.
= 271.104 Å		1.06 Å/pix.
x 256 pix.
= 271.104 Å		1.06 Å/pix.
x 256 pix.
= 271.104 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.059 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.4 / Movie #1: 0.4
Minimum - Maximum-1.5032961 - 2.3288758
Average (Standard dev.)0.005417227 (±0.074147575)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 271.104 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.0591.0591.059
M x/y/z256256256
origin x/y/z0.0000.0000.000
length x/y/z271.104271.104271.104
α/β/γ90.00090.00090.000
start NX/NY/NZ1331310
NX/NY/NZ223226424
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS256256256
D min/max/mean-1.5032.3290.005

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Supplemental data

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Half map: half map 1

Fileemd_23478_half_map_1.map
Annotationhalf map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: half map 2

Fileemd_23478_half_map_2.map
Annotationhalf map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Transient receptor potential cation channel subfamily V member 1

EntireName: Transient receptor potential cation channel subfamily V member 1
Components
  • Complex: Transient receptor potential cation channel subfamily V member 1
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 1
  • Ligand: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine
  • Ligand: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate
  • Ligand: (6E)-N-(4-hydroxy-3-methoxybenzyl)-8-methylnon-6-enamide

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Supramolecule #1: Transient receptor potential cation channel subfamily V member 1

SupramoleculeName: Transient receptor potential cation channel subfamily V member 1
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 400 KDa

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

MacromoleculeName: Transient receptor potential cation channel subfamily V member 1
type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 98.719758 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MEQRASLDSE ESESPPQENS CLDPPDRDPN CKPPPVKPHI FTTRSRTRLF GKGDSEEASP LDCPYEEGGL ASCPIITVSS VLTIQRPGD GPASVRPSSQ DSVSAGEKPP RLYDRRSIFD AVAQSNCQEL ESLLPFLQRS KKRLTDSEFK DPETGKTCLL K AMLNLHNG ...String:
MEQRASLDSE ESESPPQENS CLDPPDRDPN CKPPPVKPHI FTTRSRTRLF GKGDSEEASP LDCPYEEGGL ASCPIITVSS VLTIQRPGD GPASVRPSSQ DSVSAGEKPP RLYDRRSIFD AVAQSNCQEL ESLLPFLQRS KKRLTDSEFK DPETGKTCLL K AMLNLHNG QNDTIALLLD VARKTDSLKQ FVNASYTDSY YKGQTALHIA IERRNMTLVT LLVENGADVQ AAANGDFFKK TK GRPGFYF GELPLSLAAC TNQLAIVKFL LQNSWQPADI SARDSVGNTV LHALVEVADN TVDNTKFVTS MYNEILILGA KLH PTLKLE EITNRKGLTP LALAASSGKI GVLAYILQRE IHEPECRHLS RKFTEWAYGP VHSSLYDLSC IDTCEKNSVL EVIA YSSSE TPNRHDMLLV EPLNRLLQDK WDRFVKRIFY FNFFVYCLYM IIFTAAAYYR PVEGLPPYKL KNTVGDYFRV TGEIL SVSG GVYFFFRGIQ YFLQRRPSLK SLFVDSYSEI LFFVQSLFML VSVVLYFSQR KEYVASMVFS LAMGWTNMLY YTRGFQ QMG IYAVMIEKMI LRDLCRFMFV YLVFLFGFST AVVTLIEDGK NNSLPMESTP HKCRGSACKP GNSYNSLYST CLELFKF TI GMGDLEFTEN YDFKAVFIIL LLAYVILTYI LLLNMLIALM GETVNKIAQE SKNIWKLQRA ITILDTEKSF LKCMRKAF R SGKLLQVGFT PDGKDDYRWC FRVDEVNWTT WNTNVGIINE DPGNCEGVKR TLSFSLRSGR VSGRNWKNFA LVPLLRDAS TRDRHATQQE EVQLKHYTGS LKPEDAEVFK DSMVPGEKEN SLEVLFQGPD YKDDDDKAHH HHHHHHHH

UniProtKB: Transient receptor potential cation channel subfamily V member 1

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Macromolecule #2: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine

MacromoleculeName: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine / type: ligand / ID: 2 / Number of copies: 8 / Formula: LBN
Molecular weightTheoretical: 760.076 Da
Chemical component information

ChemComp-LBN:
1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine / phospholipid*YM

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Macromolecule #3: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyl...

MacromoleculeName: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate
type: ligand / ID: 3 / Number of copies: 12 / Formula: 6OU
Molecular weightTheoretical: 717.996 Da
Chemical component information

ChemComp-6OU:
[(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate / phospholipid*YM

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Macromolecule #4: (6E)-N-(4-hydroxy-3-methoxybenzyl)-8-methylnon-6-enamide

MacromoleculeName: (6E)-N-(4-hydroxy-3-methoxybenzyl)-8-methylnon-6-enamide
type: ligand / ID: 4 / Number of copies: 4 / Formula: 4DY
Molecular weightTheoretical: 305.412 Da
Chemical component information

ChemComp-4DY:
(6E)-N-(4-hydroxy-3-methoxybenzyl)-8-methylnon-6-enamide

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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

Concentration1.0 mg/mL
BufferpH: 7.5
Component:
ConcentrationName
20.0 mMHEPES
150.0 mMsodium chloride
GridModel: Quantifoil / Material: GOLD / Mesh: 300 / Support film - Material: GOLD / Support film - topology: HOLEY
VitrificationCryogen name: ETHANE / Chamber humidity: 85 % / Chamber temperature: 321 K / Instrument: LEICA EM GP

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Digitization - Dimensions - Width: 5760 pixel / Digitization - Dimensions - Height: 4092 pixel / Number grids imaged: 1 / Number real images: 3744 / Average exposure time: 4.0 sec. / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 1.8 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 81000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 2400
Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.55 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 18991
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1.0)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
Final 3D classificationNumber classes: 2 / Software - Name: cryoSPARC

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Atomic model buiding 1

Initial modelPDB ID:

5irz


Chain - Chain ID: A / Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL / Protocol: FLEXIBLE FIT / Overall B value: 120
Output model

PDB-7lpd:
Cryo-EM structure of full-length TRPV1 with capsaicin at 48 degrees Celsius, in an intermediate state, class 2

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