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- EMDB-28978: Cryo-EM structure of the human TRPV4 - RhoA in complex with 4alph... -

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Basic information

Entry
Database: EMDB / ID: EMD-28978
TitleCryo-EM structure of the human TRPV4 - RhoA in complex with 4alpha-Phorbol 12,13-didecanoate
Map datamain
Sample
  • Complex: The complex of human TRPV4 with RhoA
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 4
  • Ligand: (1aR,1bS,4aS,7aS,7bS,8R,9R,9aS)-9a-(decanoyloxy)-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-9-yl decanoate
  • Ligand: CHOLESTEROL HEMISUCCINATE
KeywordsTRPV4 / RhoA / 4alpha-Phorbol 12 / 13-didecanoate / 4a-PDD / MEMBRANE PROTEIN
Function / homology
Function and homology information


stretch-activated, monoatomic cation-selective, calcium channel activity / blood vessel endothelial cell delamination / osmosensor activity / vasopressin secretion / positive regulation of striated muscle contraction / positive regulation of macrophage inflammatory protein 1 alpha production / calcium ion import into cytosol / negative regulation of brown fat cell differentiation / positive regulation of microtubule depolymerization / hyperosmotic salinity response ...stretch-activated, monoatomic cation-selective, calcium channel activity / blood vessel endothelial cell delamination / osmosensor activity / vasopressin secretion / positive regulation of striated muscle contraction / positive regulation of macrophage inflammatory protein 1 alpha production / calcium ion import into cytosol / negative regulation of brown fat cell differentiation / positive regulation of microtubule depolymerization / hyperosmotic salinity response / regulation of response to osmotic stress / positive regulation of chemokine (C-X-C motif) ligand 1 production / positive regulation of chemokine (C-C motif) ligand 5 production / cartilage development involved in endochondral bone morphogenesis / osmosensory signaling pathway / cellular hypotonic response / cortical microtubule organization / cellular hypotonic salinity response / multicellular organismal-level water homeostasis / positive regulation of vascular permeability / cellular response to osmotic stress / positive regulation of monocyte chemotactic protein-1 production / cell volume homeostasis / calcium ion import / cell-cell junction assembly / TRP channels / regulation of aerobic respiration / cortical actin cytoskeleton / positive regulation of macrophage chemotaxis / cytoplasmic microtubule / diet induced thermogenesis / beta-tubulin binding / microtubule polymerization / alpha-tubulin binding / response to mechanical stimulus / monoatomic cation channel activity / SH2 domain binding / filopodium / actin filament organization / adherens junction / protein kinase C binding / positive regulation of JNK cascade / calcium ion transmembrane transport / response to insulin / calcium channel activity / cilium / ruffle membrane / positive regulation of inflammatory response / positive regulation of interleukin-6 production / intracellular calcium ion homeostasis / calcium ion transport / actin filament binding / negative regulation of neuron projection development / lamellipodium / glucose homeostasis / actin binding / cellular response to heat / positive regulation of cytosolic calcium ion concentration / growth cone / actin cytoskeleton organization / microtubule binding / positive regulation of ERK1 and ERK2 cascade / calmodulin binding / response to hypoxia / apical plasma membrane / focal adhesion / lipid binding / protein kinase binding / negative regulation of transcription by RNA polymerase II / cell surface / endoplasmic reticulum / ATP binding / identical protein binding / membrane / metal ion binding / plasma membrane
Similarity search - Function
Transient receptor potential cation channel subfamily V member 4 / Transient receptor potential cation channel subfamily V member 1-4 / Transient receptor potential cation channel subfamily V / Ankyrin repeat / 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 4
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.41 Å
AuthorsKwon DH / Lee S-Y / Zhang F
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK) United States
CitationJournal: Nat Commun / Year: 2023
Title: TRPV4-Rho GTPase complex structures reveal mechanisms of gating and disease.
Authors: Do Hoon Kwon / Feng Zhang / Brett A McCray / Shasha Feng / Meha Kumar / Jeremy M Sullivan / Wonpil Im / Charlotte J Sumner / Seok-Yong Lee /
Abstract: Crosstalk between ion channels and small GTPases is critical during homeostasis and disease, but little is known about the structural underpinnings of these interactions. TRPV4 is a polymodal, ...Crosstalk between ion channels and small GTPases is critical during homeostasis and disease, but little is known about the structural underpinnings of these interactions. TRPV4 is a polymodal, calcium-permeable cation channel that has emerged as a potential therapeutic target in multiple conditions. Gain-of-function mutations also cause hereditary neuromuscular disease. Here, we present cryo-EM structures of human TRPV4 in complex with RhoA in the ligand-free, antagonist-bound closed, and agonist-bound open states. These structures reveal the mechanism of ligand-dependent TRPV4 gating. Channel activation is associated with rigid-body rotation of the intracellular ankyrin repeat domain, but state-dependent interaction with membrane-anchored RhoA constrains this movement. Notably, many residues at the TRPV4-RhoA interface are mutated in disease and perturbing this interface by introducing mutations into either TRPV4 or RhoA increases TRPV4 channel activity. Together, these results suggest that RhoA serves as an auxiliary subunit for TRPV4, regulating TRPV4-mediated calcium homeostasis and disruption of TRPV4-RhoA interactions can lead to TRPV4-related neuromuscular disease. These insights will help facilitate TRPV4 therapeutics development.
History
DepositionDec 1, 2022-
Header (metadata) releaseJul 12, 2023-
Map releaseJul 12, 2023-
UpdateJun 19, 2024-
Current statusJun 19, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_28978.png

Downloads & links

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Map

FileDownload / File: emd_28978.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationmain
Projections & slices

Image control

Size
Brightness
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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

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1.08 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.235
Minimum - Maximum-2.3983054 - 3.5889118
Average (Standard dev.)0.010949934 (±0.0886845)
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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Half map: half A

Fileemd_28978_half_map_1.map
Annotationhalf_A
Projections & Slices
AxesZYX

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Slices (1/2)
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Histogram

Histogram (log scale)

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Half map: half B

Fileemd_28978_half_map_2.map
Annotationhalf_B
Projections & Slices
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Histogram

Histogram (log scale)

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Sample components

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Entire : The complex of human TRPV4 with RhoA

EntireName: The complex of human TRPV4 with RhoA
Components
  • Complex: The complex of human TRPV4 with RhoA
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 4
  • Ligand: (1aR,1bS,4aS,7aS,7bS,8R,9R,9aS)-9a-(decanoyloxy)-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-9-yl decanoate
  • Ligand: CHOLESTEROL HEMISUCCINATE

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Supramolecule #1: The complex of human TRPV4 with RhoA

SupramoleculeName: The complex of human TRPV4 with RhoA / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 450 KDa

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Macromolecule #1: Transient receptor potential cation channel subfamily V member 4

MacromoleculeName: Transient receptor potential cation channel subfamily V member 4
type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 102.057797 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MADSSEGPRA GPGEVAELPG DESGTPGGEA FPLSSLANLF EGEDGSLSPS PADASRPAGP GDGRPNLRMK FQGAFRKGVP NPIDLLEST LYESSVVPGP KKAPMDSLFD YGTYRHHSSD NKRWRKKIIE KQPQSPKAPA PQPPPILKVF NRPILFDIVS R GSTADLDG ...String:
MADSSEGPRA GPGEVAELPG DESGTPGGEA FPLSSLANLF EGEDGSLSPS PADASRPAGP GDGRPNLRMK FQGAFRKGVP NPIDLLEST LYESSVVPGP KKAPMDSLFD YGTYRHHSSD NKRWRKKIIE KQPQSPKAPA PQPPPILKVF NRPILFDIVS R GSTADLDG LLPFLLTHKK RLTDEEFREP STGKTCLPKA LLNLSNGRND TIPVLLDIAE RTGNMREFIN SPFRDIYYRG QT ALHIAIE RRCKHYVELL VAQGADVHAQ ARGRFFQPKD EGGYFYFGEL PLSLAACTNQ PHIVNYLTEN PHKKADMRRQ DSR GNTVLH ALVAIADNTR ENTKFVTKMY DLLLLKCARL FPDSNLEAVL NNDGLSPLMM AAKTGKIGIF QHIIRREVTD EDTR HLSRK FKDWAYGPVY SSLYDLSSLD TCGEEASVLE ILVYNSKIEN RHEMLAVEPI NELLRDKWRK FGAVSFYINV VSYLC AMVI FTLTAYYQPL EGTPPYPYRT TVDYLRLAGE VITLFTGVLF FFTNIKDLFM KKCPGVNSLF IDGSFQLLYF IYSVLV IVS AALYLAGIEA YLAVMVFALV LGWMNALYFT RGLKLTGTYS IMIQKILFKD LFRFLLVYLL FMIGYASALV SLLNPCA NM KVCNEDQTNC TVPTYPSCRD SETFSTFLLD LFKLTIGMGD LEMLSSTKYP VVFIILLVTY IILTFVLLLN MLIALMGE T VGQVSKESKH IWKLQWATTI LDIERSFPVF LRKAFRSGEM VTVGKSSDGT PDRRWCFRVD EVNWSHWNQN LGIINEDPG KNETYQYYGF SHTVGRLRRD RWSSVVPRVV ELNKNSNPDE VVVPLDSMGN PRCDGHQQGY PRKWRTDDAP LENSLEVLFQ GPDYKDDDD KAHHHHHHHH HH

UniProtKB: Transient receptor potential cation channel subfamily V member 4

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Macromolecule #2: (1aR,1bS,4aS,7aS,7bS,8R,9R,9aS)-9a-(decanoyloxy)-4a,7b-dihydroxy-...

MacromoleculeName: (1aR,1bS,4aS,7aS,7bS,8R,9R,9aS)-9a-(decanoyloxy)-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-9-yl decanoate
type: ligand / ID: 2 / Number of copies: 4 / Formula: XS9
Molecular weightTheoretical: 672.931 Da
Chemical component information

ChemComp-XS9:
(1aR,1bS,4aS,7aS,7bS,8R,9R,9aS)-9a-(decanoyloxy)-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-9-yl decanoate

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Macromolecule #3: CHOLESTEROL HEMISUCCINATE

MacromoleculeName: CHOLESTEROL HEMISUCCINATE / type: ligand / ID: 3 / Number of copies: 4 / Formula: Y01
Molecular weightTheoretical: 486.726 Da
Chemical component information

ChemComp-Y01:
CHOLESTEROL HEMISUCCINATE

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation statecell

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Sample preparation

BufferpH: 8
VitrificationCryogen name: ETHANE / Chamber humidity: 95 % / Chamber temperature: 281.15 K / Instrument: LEICA EM GP

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Electron microscopy

MicroscopeFEI TITAN
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 81000

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7lp9

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.41 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 244077
Initial angle assignmentType: OTHER
Final angle assignmentType: OTHER

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