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- PDB-8fc7: Cryo-EM structure of the human TRPV4 - RhoA in complex with GSK2798745 -

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Basic information

Entry
Database: PDB / ID: 8fc7
TitleCryo-EM structure of the human TRPV4 - RhoA in complex with GSK2798745
Components
  • Transforming protein RhoA
  • Transient receptor potential cation channel subfamily V member 4
KeywordsMEMBRANE PROTEIN/Hydrolase / TRPV4 / RhoA / GSK2798745 / MEMBRANE PROTEIN / MEMBRANE PROTEIN-Hydrolase complex
Function / homology
Function and homology information


stretch-activated, monoatomic cation-selective, calcium channel activity / blood vessel endothelial cell delamination / regulation of response to osmotic stress / osmosensor activity / vasopressin secretion / calcium ion import into cytosol / negative regulation of brown fat cell differentiation / positive regulation of microtubule depolymerization / positive regulation of striated muscle contraction / positive regulation of macrophage inflammatory protein 1 alpha production ...stretch-activated, monoatomic cation-selective, calcium channel activity / blood vessel endothelial cell delamination / regulation of response to osmotic stress / osmosensor activity / vasopressin secretion / calcium ion import into cytosol / negative regulation of brown fat cell differentiation / positive regulation of microtubule depolymerization / positive regulation of striated muscle contraction / positive regulation of macrophage inflammatory protein 1 alpha production / hyperosmotic salinity response / 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 / alpha-beta T cell lineage commitment / aortic valve formation / mitotic cleavage furrow formation / positive regulation of lipase activity / bone trabecula morphogenesis / endothelial tube lumen extension / skeletal muscle satellite cell migration / positive regulation of vascular associated smooth muscle contraction / angiotensin-mediated vasoconstriction involved in regulation of systemic arterial blood pressure / SLIT2:ROBO1 increases RHOA activity / RHO GTPases Activate Rhotekin and Rhophilins / Roundabout signaling pathway / negative regulation of intracellular steroid hormone receptor signaling pathway / Axonal growth inhibition (RHOA activation) / Axonal growth stimulation / cellular hypotonic salinity response / cleavage furrow formation / regulation of neural precursor cell proliferation / cellular hypotonic response / regulation of modification of postsynaptic actin cytoskeleton / regulation of osteoblast proliferation / cortical microtubule organization / forebrain radial glial cell differentiation / multicellular organismal-level water homeostasis / cell junction assembly / regulation of modification of postsynaptic structure / apical junction assembly / negative regulation of cell migration involved in sprouting angiogenesis / positive regulation of vascular permeability / beta selection / cellular response to chemokine / establishment of epithelial cell apical/basal polarity / negative regulation of oxidative phosphorylation / regulation of systemic arterial blood pressure by endothelin / negative regulation of motor neuron apoptotic process / osmosensory signaling pathway / RHO GTPases Activate ROCKs / RHO GTPases activate CIT / negative regulation of cell size / cell-cell junction assembly / positive regulation of monocyte chemotactic protein-1 production / Sema4D induced cell migration and growth-cone collapse / PCP/CE pathway / calcium ion import / RHO GTPases activate KTN1 / cell volume homeostasis / cellular response to osmotic stress / positive regulation of podosome assembly / positive regulation of alpha-beta T cell differentiation / apolipoprotein A-I-mediated signaling pathway / Sema4D mediated inhibition of cell attachment and migration / wound healing, spreading of cells / positive regulation of leukocyte adhesion to vascular endothelial cell / PI3K/AKT activation / odontogenesis / Wnt signaling pathway, planar cell polarity pathway / motor neuron apoptotic process / regulation of focal adhesion assembly / ossification involved in bone maturation / regulation of aerobic respiration / negative chemotaxis / TRP channels / EPHA-mediated growth cone collapse / apical junction complex / cortical actin cytoskeleton / stress fiber assembly / androgen receptor signaling pathway / diet induced thermogenesis / myosin binding / positive regulation of cytokinesis / RHOC GTPase cycle / regulation of neuron projection development / positive regulation of macrophage chemotaxis / cellular response to cytokine stimulus / cerebral cortex cell migration / microtubule polymerization / ERBB2 Regulates Cell Motility / calcium ion import across plasma membrane / semaphorin-plexin signaling pathway / cleavage furrow / positive regulation of protein serine/threonine kinase activity / ficolin-1-rich granule membrane / negative regulation of cell-substrate adhesion / RHOA GTPase cycle / mitotic spindle assembly / response to mechanical stimulus
Similarity search - Function
Transient receptor potential cation channel subfamily V member 4 / Small GTPase Rho / Small GTPase Rho domain profile. / Transient receptor potential cation channel subfamily V member 1-4 / Transient receptor potential cation channel subfamily V / Ankyrin repeat / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family ...Transient receptor potential cation channel subfamily V member 4 / Small GTPase Rho / Small GTPase Rho domain profile. / Transient receptor potential cation channel subfamily V member 1-4 / Transient receptor potential cation channel subfamily V / Ankyrin repeat / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Rab subfamily of small GTPases / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Ion transport domain / Ion transport protein / Small GTP-binding protein domain / P-loop containing nucleotide triphosphate hydrolases / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
GUANOSINE-5'-DIPHOSPHATE / Chem-XPW / Transforming protein RhoA / Transient receptor potential cation channel subfamily V member 4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsKwon, D.H. / Lee, S.-Y. / Zhang, F.
Funding support United States, 1items
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, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 12, 2023Provider: repository / Type: Initial release
Revision 1.1Jun 19, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Transient receptor potential cation channel subfamily V member 4
E: Transforming protein RhoA
F: Transforming protein RhoA
G: Transforming protein RhoA
H: Transforming protein RhoA
B: Transient receptor potential cation channel subfamily V member 4
C: Transient receptor potential cation channel subfamily V member 4
D: Transient receptor potential cation channel subfamily V member 4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)499,14020
Polymers495,4288
Non-polymers3,71212
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein
Transient receptor potential cation channel subfamily V member 4 / TrpV4 / Osm-9-like TRP channel 4 / OTRPC4 / Transient receptor potential protein 12 / TRP12 / ...TrpV4 / Osm-9-like TRP channel 4 / OTRPC4 / Transient receptor potential protein 12 / TRP12 / Vanilloid receptor-like channel 2 / Vanilloid receptor-like protein 2 / VRL-2 / Vanilloid receptor-related osmotically-activated channel / VR-OAC


Mass: 102057.797 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TRPV4, VRL2, VROAC / Production host: Homo sapiens (human) / References: UniProt: Q9HBA0
#2: Protein
Transforming protein RhoA / Rho cDNA clone 12 / h12


Mass: 21799.158 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: RHOA, ARH12, ARHA, RHO12 / Production host: Homo sapiens (human) / References: UniProt: P61586, small monomeric GTPase
#3: Chemical
ChemComp-XPW / 1-({(5S,7S)-3-[5-(2-hydroxypropan-2-yl)pyrazin-2-yl]-7-methyl-2-oxo-1-oxa-3-azaspiro[4.5]decan-7-yl}methyl)-1H-benzimidazole-6-carbonitrile / GSK2798745


Mass: 460.528 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C25H28N6O3 / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#5: Chemical
ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM
Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: CELL / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: The complex of human TRPV4 with RhoA / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightValue: 0.45 MDa / Experimental value: YES
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid type: UltrAuFoil R1.2/1.3
VitrificationInstrument: LEICA EM GP / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 281.15 K

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Electron microscopy imaging

MicroscopyModel: FEI TITAN
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELD / Nominal magnification: 81000 X / Nominal defocus max: 3000 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C4 (4 fold cyclic)
3D reconstructionResolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 119462 / Symmetry type: POINT

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