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- EMDB-24641: Cryo-EM structure of the full-length TRPV1 with RTx at 48 degrees... -

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Basic information

Entry
Database: EMDB / ID: EMD-24641
TitleCryo-EM structure of the full-length TRPV1 with RTx at 48 degrees Celsius, in an open state, class alpha
Map data48C_RTX_Open
Sample
  • Complex: Transient receptor potential cation channel subfamily V member 1TRPV1
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 1TRPV1
  • 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
Function / homology
Function and homology information


temperature-gated ion channel activity / response to capsazepine / excitatory extracellular ligand-gated monoatomic ion channel activity / 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 / cellular response to temperature stimulus / smooth muscle contraction involved in micturition ...temperature-gated ion channel activity / response to capsazepine / excitatory extracellular ligand-gated monoatomic ion channel activity / 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 / cellular response to temperature stimulus / smooth muscle contraction involved in micturition / TRP channels / cellular response to acidic pH / thermoception / fever generation / detection of temperature stimulus involved in thermoception / glutamate secretion / dendritic spine membrane / negative regulation of systemic arterial blood pressure / chloride channel regulator activity / response to pH / monoatomic cation transmembrane transporter activity / cellular response to ATP / response to pain / temperature homeostasis / negative regulation of heart rate / cellular response to alkaloid / diet induced thermogenesis / behavioral response to pain / extracellular ligand-gated monoatomic ion channel activity / intracellularly gated calcium channel activity / cellular response to cytokine stimulus / negative regulation of mitochondrial membrane potential / detection of temperature stimulus involved in sensory perception of pain / calcium ion import across plasma membrane / ligand-gated monoatomic ion channel activity / monoatomic cation channel activity / sensory perception of pain / response to organonitrogen compound / phosphatidylinositol binding / monoatomic ion transmembrane transport / cellular response to nerve growth factor stimulus / calcium ion transmembrane transport / phosphoprotein binding / microglial cell activation / calcium channel activity / lipid metabolic process / response to peptide hormone / cellular response to growth factor stimulus / positive regulation of nitric oxide biosynthetic process / calcium ion transport / transmembrane signaling receptor activity / cellular response to heat / cellular response to tumor necrosis factor / positive regulation of cytosolic calcium ion concentration / response to heat / postsynaptic membrane / protein homotetramerization / calmodulin binding / neuron projection / positive regulation of apoptotic process / external side of plasma membrane / dendrite / neuronal cell body / negative regulation of transcription by RNA polymerase II / ATP binding / membrane / identical protein binding / 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: 3.32 Å
AuthorsKwon DH / Suo Y / 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 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-
UpdateJun 1, 2022-
Current statusJun 1, 2022Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_24641.png

Downloads & links

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Map

FileDownload / File: emd_24641.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotation48C_RTX_Open
Voxel sizeX=Y=Z: 1.079 Å
Density
Contour LevelBy AUTHOR: 0.0353
Minimum - Maximum-0.16023026 - 0.23347388
Average (Standard dev.)0.00018242182 (±0.007487727)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 276.224 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 1TRPV1
Components
  • Complex: Transient receptor potential cation channel subfamily V member 1TRPV1
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 1TRPV1
  • 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

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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)
Recombinant expressionOrganism: Homo sapiens (human)
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

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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 / Resiniferatoxin

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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 / POPC

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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: 8 / 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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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 / Support film - Material: GOLD / Support film - topology: HOLEY
VitrificationCryogen name: ETHANE / Chamber humidity: 90 % / Chamber temperature: 321 K / Instrument: LEICA EM GP

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Cs: 2.7 mm / Nominal defocus max: 1.8 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 81000
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
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: 3042 / Average exposure time: 4.0 sec. / Average electron dose: 44.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1500
CTF correctionSoftware - Name: Gctf (ver. 1.0.6)
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1.0)
Final 3D classificationNumber classes: 2 / Software - Name: RELION
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.32 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 18341

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Atomic model buiding 1

Initial modelPDB ID:

7lp9


Chain - Chain ID: A
RefinementSpace: REAL / Protocol: FLEXIBLE FIT / Overall B value: 116
Output model

PDB-7rqz:
Cryo-EM structure of the full-length TRPV1 with RTx at 48 degrees Celsius, in an open state, class alpha

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