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- EMDB-23477: Cryo-EM map of full-length TRPV1 with capsaicin at 48 degrees Cel... -

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Basic information

Entry
Database: EMDB / ID: EMD-23477
TitleCryo-EM map of full-length TRPV1 with capsaicin at 48 degrees Celsius (10s), in an intermediate state
Map dataMap
Sample
  • Complex: Transient receptor potential cation channel subfamily V member 1
    • Protein or peptide: TRPV1
Function / homology
Function and homology information


peptide secretion / negative regulation of iodide transmembrane transport / detection of temperature stimulus involved in thermoception / sensory perception of mechanical stimulus / negative regulation of establishment of blood-brain barrier / positive regulation of renal sodium excretion / response to capsazepine / cellular response to temperature stimulus / detection of chemical stimulus involved in sensory perception of pain / positive regulation of sensory perception of pain ...peptide secretion / negative regulation of iodide transmembrane transport / detection of temperature stimulus involved in thermoception / sensory perception of mechanical stimulus / negative regulation of establishment of blood-brain barrier / positive regulation of renal sodium excretion / response to capsazepine / cellular response to temperature stimulus / detection of chemical stimulus involved in sensory perception of pain / positive regulation of sensory perception of pain / temperature-gated ion channel activity / smooth muscle contraction involved in micturition / fever generation / negative regulation of axon regeneration / diet induced thermogenesis / positive regulation of membrane depolarization / TRP channels / positive regulation of cardiac muscle cell differentiation / urinary bladder smooth muscle contraction / thermoception / glutamate secretion / response to pH / cellular response to alkaloid / monoatomic cation transmembrane transporter activity / response to pain / response to acidic pH / negative regulation of systemic arterial blood pressure / dendritic spine membrane / excitatory extracellular ligand-gated monoatomic ion channel activity / positive regulation of urine volume / negative regulation of heart rate / temperature homeostasis / sensory perception of taste / behavioral response to pain / cellular response to cytokine stimulus / cellular response to ATP / intracellularly gated calcium channel activity / detection of temperature stimulus involved in sensory perception of pain / negative regulation of mitochondrial membrane potential / calcium ion import across plasma membrane / positive regulation of vasoconstriction / monoatomic ion channel activity / ligand-gated monoatomic ion channel activity / monoatomic cation channel activity / cellular response to acidic pH / extracellular ligand-gated monoatomic ion channel activity / sensory perception of pain / phosphatidylinositol binding / axon terminus / positive regulation of excitatory postsynaptic potential / lipid metabolic process / cellular response to tumor necrosis factor / sarcoplasmic reticulum / phosphoprotein binding / microglial cell activation / cellular response to nerve growth factor stimulus / cellular response to growth factor stimulus / response to peptide hormone / GABA-ergic synapse / positive regulation of nitric oxide biosynthetic process / calcium ion transmembrane transport / calcium channel activity / calcium ion transport / transmembrane signaling receptor activity / cellular response to heat / positive regulation of cytosolic calcium ion concentration / response to heat / monoatomic ion transmembrane transport / protein homotetramerization / calmodulin binding / postsynaptic membrane / 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 / membrane / metal ion binding / identical protein binding / nucleus / 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 repeat profile. / Ankyrin repeats (3 copies) / 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: 3.7 Å
AuthorsKwon DH / Lee S-Y
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-
UpdateJul 28, 2021-
Current statusJul 28, 2021Processing 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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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_23477.png

Downloads & links

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Map

FileDownload / File: emd_23477.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: 0.4 / Movie #1: 0.4
Minimum - Maximum-1.1896393 - 2.0241785
Average (Standard dev.)0.01192831 (±0.06523956)
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-1.1902.0240.012

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Supplemental data

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Half map: Half map 1

Fileemd_23477_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_23477_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: TRPV1

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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: all
Source (natural)Organism: Rattus norvegicus (Norway rat)
Recombinant expressionOrganism: Homo sapiens (human)
Molecular weightTheoretical: 400 KDa

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Macromolecule #1: TRPV1

MacromoleculeName: TRPV1 / type: protein_or_peptide / ID: 1 / Enantiomer: DEXTRO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MEQRASLDSE ESESPPQENS CLDPPDRDPN CKPPPVKPHI FTTRSRTRLF GKGDSEEASP LDCPYEEGGL ASCPIITVSS VLTIQRPGDG PASVRPSSQD SVSAGEKPPR LYDRRSIFDA VAQSNCQELE SLLPFLQRSK KRLTDSEFKD PETGKTCLLK AMLNLHNGQN ...String:
MEQRASLDSE ESESPPQENS CLDPPDRDPN CKPPPVKPHI FTTRSRTRLF GKGDSEEASP LDCPYEEGGL ASCPIITVSS VLTIQRPGDG PASVRPSSQD SVSAGEKPPR LYDRRSIFDA VAQSNCQELE SLLPFLQRSK KRLTDSEFKD PETGKTCLLK AMLNLHNGQN DTIALLLDVA RKTDSLKQFV NASYTDSYYK GQTALHIAIE RRNMTLVTLL VENGADVQAA ANGDFFKKTK GRPGFYFGEL PLSLAACTNQ LAIVKFLLQN SWQPADISAR DSVGNTVLHA LVEVADNTVD NTKFVTSMYN EILILGAKLH PTLKLEEITN RKGLTPLALA ASSGKIGVLA YILQREIHEP ECRHLSRKFT EWAYGPVHSS LYDLSCIDTC EKNSVLEVIA YSSSETPNRH DMLLVEPLNR LLQDKWDRFV KRIFYFNFFV YCLYMIIFTA AAYYRPVEGL PPYKLKNTVG DYFRVTGEIL SVSGGVYFFF RGIQYFLQRR PSLKSLFVDS YSEILFFVQS LFMLVSVVLY FSQRKEYVAS MVFSLAMGWT NMLYYTRGFQ QMGIYAVMIE KMILRDLCRF MFVYLVFLFG FSTAVVTLIE DGKNNSLPME STPHKCRGSA CKPGNSYNSL YSTCLELFKF TIGMGDLEFT ENYDFKAVFI ILLLAYVILT YILLLNMLIA LMGETVNKIA QESKNIWKLQ RAITILDTEK SFLKCMRKAF RSGKLLQVGF TPDGKDDYRW CFRVDEVNWT TWNTNVGIIN EDPGNCEGVK RTLSFSLRSG RVSGRNWKNF ALVPLLRDAS TRDRHATQQE EVQLKHYTGS LKPEDAEVFK DSMVPGEKEN SLEVLFQGPD YKDDDDKAHH HHHHHHHH

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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 - 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: 7059 / 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: 2000
CTF correctionSoftware - Name: Gctf (ver. 1.06)
Startup modelType of model: EMDB MAP
EMDB ID:

9115

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 26461
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: cryoSPARC

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Atomic model buiding 1

Initial modelPDB ID:

5irz


Chain - Chain ID: A
RefinementSpace: REAL / Protocol: FLEXIBLE FIT / Overall B value: 120

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