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- EMDB-23476: Cryo-EM structure of full-length TRPV1 at 48 degrees Celsius -

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Basic information

Entry
Database: EMDB / ID: EMD-23476
TitleCryo-EM structure of full-length TRPV1 at 48 degrees Celsius
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: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate
  • Ligand: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine
  • Ligand: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol
  • Ligand: Phosphatidylinositol
KeywordsHeat sensing ion channel / MEMBRANE PROTEIN
Function / homology
Function and homology information


temperature-gated ion channel activity / response to capsazepine / negative regulation of establishment of blood-brain barrier / sensory perception of mechanical stimulus / peptide secretion / urinary bladder smooth muscle contraction / detection of chemical stimulus involved in sensory perception of pain / smooth muscle contraction involved in micturition / TRP channels / cellular response to temperature stimulus ...temperature-gated ion channel activity / response to capsazepine / negative regulation of establishment of blood-brain barrier / sensory perception of mechanical stimulus / peptide secretion / urinary bladder smooth muscle contraction / detection of chemical stimulus involved in sensory perception of pain / smooth muscle contraction involved in micturition / TRP channels / cellular response to temperature stimulus / cellular response to acidic pH / fever generation / detection of temperature stimulus involved in thermoception / thermoception / negative regulation of systemic arterial blood pressure / glutamate secretion / chloride channel regulator activity / response to pH / dendritic spine membrane / monoatomic cation transmembrane transporter activity / excitatory extracellular ligand-gated monoatomic ion channel activity / negative regulation of heart rate / cellular response to ATP / temperature homeostasis / response to pain / cellular response to alkaloid / calcium ion import across plasma membrane / behavioral response to pain / diet induced thermogenesis / cellular response to cytokine stimulus / detection of temperature stimulus involved in sensory perception of pain / intracellularly gated calcium channel activity / negative regulation of mitochondrial membrane potential / ligand-gated monoatomic ion channel activity / extracellular ligand-gated monoatomic ion channel activity / monoatomic cation channel activity / GABA-ergic synapse / sensory perception of pain / phosphatidylinositol binding / cellular response to nerve growth factor stimulus / phosphoprotein binding / calcium ion transmembrane transport / microglial cell activation / calcium channel activity / lipid metabolic process / cellular response to growth factor stimulus / response to peptide hormone / calcium ion transport / positive regulation of nitric oxide biosynthetic process / transmembrane signaling receptor activity / cellular response to tumor necrosis factor / cellular response to heat / positive regulation of cytosolic calcium ion concentration / response to heat / monoatomic ion transmembrane transport / postsynaptic membrane / protein homotetramerization / 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 / identical protein binding / membrane / metal ion binding / 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: 3.06 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-
UpdateOct 23, 2024-
Current statusOct 23, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.04
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.04
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7lpc
  • Surface level: 0.04
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_23476.png

Downloads & links

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Map

FileDownload / File: emd_23476.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.)
1.08 Å/pix.
x 256 pix.
= 276.224 Å		1.08 Å/pix.
x 256 pix.
= 276.224 Å		1.08 Å/pix.
x 256 pix.
= 276.224 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.079 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.04 / Movie #1: 0.04
Minimum - Maximum-0.14545074 - 0.2659013
Average (Standard dev.)0.00029167518 (±0.0069452)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 276.224 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.0791.0791.079
M x/y/z256256256
origin x/y/z0.0000.0000.000
length x/y/z276.224276.224276.224
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-0.1450.2660.000

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Supplemental data

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Half map: Half map 1

Fileemd_23476_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_23476_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: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate
  • Ligand: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine
  • Ligand: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol
  • Ligand: Phosphatidylinositol

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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: [(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: 2 / Number of copies: 24 / 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 #3: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine

MacromoleculeName: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine / type: ligand / ID: 3 / 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 #4: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol

MacromoleculeName: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol / type: ligand / ID: 4 / Number of copies: 4 / Formula: YFP
Molecular weightTheoretical: 749.007 Da
Chemical component information

ChemComp-YFP:
1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol

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Macromolecule #5: Phosphatidylinositol

MacromoleculeName: Phosphatidylinositol / type: ligand / ID: 5 / Number of copies: 4 / Formula: T7X
Molecular weightTheoretical: 887.128 Da
Chemical component information

ChemComp-T7X:
Phosphatidylinositol

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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 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 150 sec. / Pretreatment - Atmosphere: AIR / Pretreatment - Pressure: 0.039 kPa
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: 3934 / 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: 800
Startup modelType of model: OTHER
Final reconstructionAlgorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 3.06 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.1.0) / Number images used: 29611
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1.0)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1.0)
Final 3D classificationNumber classes: 2 / Software - Name: RELION (ver. 3.1.0)

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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-7lpc:
Cryo-EM structure of full-length TRPV1 at 48 degrees Celsius

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