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- EMDB-24636: Cryo-EM structure of the full-length TRPV1 with RTx at 4 degrees ... -

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Basic information

Entry
Database: EMDB / ID: EMD-24636
TitleCryo-EM structure of the full-length TRPV1 with RTx at 4 degrees Celsius, in a closed state, class I
Map data4C_RTX_closed
Sample
  • Complex: Transient receptor potential cation channel subfamily V member 1
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 1
  • Ligand: resiniferatoxin
  • 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: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol
  • Ligand: SODIUM ION
Keywordsligand-gating ion channel / MEMBRANE PROTEIN
Function / homology
Function and homology information


response to capsazepine / negative regulation of establishment of blood-brain barrier / sensory perception of mechanical stimulus / excitatory extracellular ligand-gated monoatomic ion channel activity / peptide secretion / temperature-gated ion channel activity / cellular response to temperature stimulus / detection of chemical stimulus involved in sensory perception of pain / urinary bladder smooth muscle contraction / TRP channels ...response to capsazepine / negative regulation of establishment of blood-brain barrier / sensory perception of mechanical stimulus / excitatory extracellular ligand-gated monoatomic ion channel activity / peptide secretion / temperature-gated ion channel activity / cellular response to temperature stimulus / detection of chemical stimulus involved in sensory perception of pain / urinary bladder smooth muscle contraction / TRP channels / smooth muscle contraction involved in micturition / fever generation / thermoception / detection of temperature stimulus involved in thermoception / cellular response to acidic pH / response to pH / negative regulation of systemic arterial blood pressure / dendritic spine membrane / chloride channel regulator activity / glutamate secretion / monoatomic cation transmembrane transporter activity / negative regulation of heart rate / cellular response to ATP / response to pain / temperature homeostasis / cellular response to alkaloid / diet induced thermogenesis / cellular response to cytokine stimulus / ligand-gated monoatomic ion channel activity / behavioral response to pain / 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 / monoatomic cation channel activity / extracellular ligand-gated monoatomic ion channel activity / sensory perception of pain / phosphatidylinositol binding / GABA-ergic synapse / phosphoprotein binding / microglial cell activation / cellular response to nerve growth factor stimulus / cellular response to growth factor stimulus / calcium ion transmembrane transport / calcium channel activity / lipid metabolic process / response to peptide hormone / calcium ion transport / positive regulation of nitric oxide biosynthetic process / transmembrane signaling receptor activity / sensory perception of taste / cellular response to tumor necrosis factor / cellular response to heat / response to heat / positive regulation of cytosolic calcium ion concentration / 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 / identical protein binding / metal ion 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: 3.05 Å
AuthorsKwon DH / Suo 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 Commun / Year: 2022
Title: Vanilloid-dependent TRPV1 opening trajectory from cryoEM ensemble analysis.
Authors: Do Hoon Kwon / Feng Zhang / Justin G Fedor / Yang Suo / Seok-Yong Lee /
Abstract: Single particle cryo-EM often yields multiple protein conformations within a single dataset, but experimentally deducing the temporal relationship of these conformers within a conformational ...Single particle cryo-EM often yields multiple protein conformations within a single dataset, but experimentally deducing the temporal relationship of these conformers within a conformational trajectory is not trivial. Here, we use thermal titration methods and cryo-EM in an attempt to obtain temporal resolution of the conformational trajectory of the vanilloid receptor TRPV1 with resiniferatoxin (RTx) bound. Based on our cryo-EM ensemble analysis, RTx binding to TRPV1 appears to induce intracellular gate opening first, followed by selectivity filter dilation, then pore loop rearrangement to reach the final open state. This apparent conformational wave likely arises from the concerted, stepwise, additive structural changes of TRPV1 over many subdomains. Greater understanding of the RTx-mediated long-range allostery of TRPV1 could help further the therapeutic potential of RTx, which is a promising drug candidate for pain relief associated with advanced cancer or knee arthritis.
History
DepositionAug 8, 2021-
Header (metadata) releaseJun 1, 2022-
Map releaseJun 1, 2022-
UpdateNov 13, 2024-
Current statusNov 13, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_24636.png

Downloads & links

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Map

FileDownload / File: emd_24636.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotation4C_RTX_closed
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.08 Å/pix.
x 256 pix.
= 276.48 Å		1.08 Å/pix.
x 256 pix.
= 276.48 Å		1.08 Å/pix.
x 256 pix.
= 276.48 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.08 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.691
Minimum - Maximum-3.8688722 - 5.85386
Average (Standard dev.)0.013204992 (±0.13964222)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 276.48 Å
α=β=γ: 90.0 °

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Supplemental data

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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: resiniferatoxin
  • 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: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol
  • Ligand: SODIUM ION

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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: resiniferatoxin

MacromoleculeName: resiniferatoxin / type: ligand / ID: 2 / Number of copies: 4 / Formula: 6EU
Molecular weightTheoretical: 628.708 Da
Chemical component information

ChemComp-6EU:
resiniferatoxin / toxin*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: [(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: 4 / Number of copies: 20 / 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 #5: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol

MacromoleculeName: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol / type: ligand / ID: 5 / 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 #6: SODIUM ION

MacromoleculeName: SODIUM ION / type: ligand / ID: 6 / Number of copies: 2
Molecular weightTheoretical: 22.99 Da

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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

Concentration0.9 mg/mL
BufferpH: 7.5
Component:
ConcentrationName
20.0 mMHEPES
150.0 mMsodium chloride
GridModel: UltrAuFoil R1.2/1.3 / Material: GOLD / Support film - Material: GOLD / Support film - topology: HOLEY
VitrificationCryogen name: ETHANE / Chamber humidity: 90 % / Chamber temperature: 277 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: 2427 / Average exposure time: 4.0 sec. / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 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: 2700
Startup modelType of model: OTHER
Final reconstructionApplied symmetry - Point group: C4 (4 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 3.05 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 81347
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:

7lp9


Chain - Chain ID: A / Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL / Protocol: FLEXIBLE FIT / Overall B value: 132
Output model

PDB-7rqu:
Cryo-EM structure of the full-length TRPV1 with RTx at 4 degrees Celsius, in a closed state, class I

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