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Open data
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Basic information
Entry | Database: PDB / ID: 8jvj | ||||||
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Title | Structure of human TRPV4 with antagonist A2 and RhoA | ||||||
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![]() | MEMBRANE PROTEIN / Channel | ||||||
Function / homology | ![]() stretch-activated, monoatomic cation-selective, calcium channel activity / blood vessel endothelial cell delamination / regulation of response to osmotic stress / osmosensor activity / vasopressin secretion / positive regulation of striated muscle contraction / calcium ion import into cytosol / negative regulation of brown fat cell differentiation / positive regulation of microtubule depolymerization / 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 / positive regulation of striated muscle contraction / calcium ion import into cytosol / negative regulation of brown fat cell differentiation / positive regulation of microtubule depolymerization / 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 / cortical microtubule organization / cellular hypotonic response / regulation of modification of postsynaptic actin cytoskeleton / regulation of osteoblast proliferation / forebrain radial glial cell differentiation / multicellular organismal-level water homeostasis / apical junction assembly / cell junction assembly / negative regulation of cell migration involved in sprouting angiogenesis / cellular response to chemokine / establishment of epithelial cell apical/basal polarity / beta selection / regulation of systemic arterial blood pressure by endothelin / osmosensory signaling pathway / negative regulation of cell size / negative regulation of oxidative phosphorylation / negative regulation of motor neuron apoptotic process / RHO GTPases Activate ROCKs / regulation of modification of postsynaptic structure / positive regulation of vascular permeability / RHO GTPases activate CIT / positive regulation of monocyte chemotactic protein-1 production / Sema4D induced cell migration and growth-cone collapse / cell-cell junction assembly / cell volume homeostasis / cellular response to osmotic stress / PCP/CE pathway / RHO GTPases activate KTN1 / calcium ion import / positive regulation of podosome assembly / apolipoprotein A-I-mediated signaling pathway / positive regulation of alpha-beta T cell differentiation / Sema4D mediated inhibition of cell attachment and migration / positive regulation of leukocyte adhesion to vascular endothelial cell / wound healing, spreading of cells / PI3K/AKT activation / motor neuron apoptotic process / odontogenesis / Wnt signaling pathway, planar cell polarity pathway / ossification involved in bone maturation / regulation of aerobic respiration / TRP channels / regulation of focal adhesion assembly / negative chemotaxis / apical junction complex / cortical actin cytoskeleton / EPHA-mediated growth cone collapse / myosin binding / regulation of neuron projection development / stress fiber assembly / diet induced thermogenesis / positive regulation of macrophage chemotaxis / beta-tubulin binding / cellular response to cytokine stimulus / RHOC GTPase cycle / positive regulation of cytokinesis / cerebral cortex cell migration / microtubule polymerization / ERBB2 Regulates Cell Motility / cleavage furrow / semaphorin-plexin signaling pathway / androgen receptor signaling pathway / calcium ion import across plasma membrane / ficolin-1-rich granule membrane / RHOA GTPase cycle / mitotic spindle assembly / negative regulation of cell-substrate adhesion / Rho protein signal transduction Similarity search - Function | ||||||
Biological species | ![]() synthetic construct (others) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.44 Å | ||||||
![]() | Fan, J. / Lei, X. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Structural Pharmacology of TRPV4 Antagonists. Authors: Junping Fan / Chang Guo / Daohong Liao / Han Ke / Jing Lei / Wenjun Xie / Yuliang Tang / Makoto Tominaga / Zhuo Huang / Xiaoguang Lei / ![]() ![]() Abstract: The nonselective calcium-permeable Transient Receptor Potential Cation Channel Subfamily V Member4 (TRPV4) channel regulates various physiological activities. Dysfunction of TRPV4 is linked to many ...The nonselective calcium-permeable Transient Receptor Potential Cation Channel Subfamily V Member4 (TRPV4) channel regulates various physiological activities. Dysfunction of TRPV4 is linked to many severe diseases, including edema, pain, gastrointestinal disorders, lung diseases, and inherited neurodegeneration. Emerging TRPV4 antagonists show potential clinical benefits. However, the molecular mechanisms of TRPV4 antagonism remain poorly understood. Here, cryo-electron microscopy (cryo-EM) structures of human TRPV4 are presented in-complex with two potent antagonists, revealing the detailed binding pockets and regulatory mechanisms of TRPV4 gating. Both antagonists bind to the voltage-sensing-like domain (VSLD) and stabilize the channel in closed states. These two antagonists induce TRPV4 to undergo an apparent fourfold to twofold symmetry transition. Moreover, it is demonstrated that one of the antagonists binds to the VSLD extended pocket, which differs from the canonical VSLD pocket. Complemented with functional and molecular dynamics simulation results, this study provides crucial mechanistic insights into TRPV4 regulation by small-molecule antagonists, which may facilitate future drug discovery targeting TRPV4. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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PDBx/mmCIF format | ![]() | 627.2 KB | Display | ![]() |
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PDB format | ![]() | 491.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 36676MC ![]() 8ju5C ![]() 8ju6C ![]() 8jviC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 128628.547 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Details: Author stated: The section (872-874) is the cloning site. The domain (875-882) is PreScission Site. The domain (883-1116) is corresponding to this sfGFP (462-695 amino acids, GenBank: ...Details: Author stated: The section (872-874) is the cloning site. The domain (875-882) is PreScission Site. The domain (883-1116) is corresponding to this sfGFP (462-695 amino acids, GenBank: ALP48449.1). The domain (1117-1144) is the expression Tag. Source: (gene. exp.) ![]() Gene: TRPV4, VRL2, VROAC / Production host: ![]() #2: Protein | Mass: 21799.158 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Chemical | ChemComp-F9M / [ Mass: 572.628 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C25H23F3N8OS2 / Feature type: SUBJECT OF INVESTIGATION Has ligand of interest | Y | |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: Complex of TRPV4 and RhoA / Type: COMPLEX / Entity ID: #2, #1 / Source: RECOMBINANT |
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Molecular weight | Value: 0.4 MDa / Experimental value: NO |
Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 8 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1000 nm |
Image recording | Electron dose: 60 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
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3D reconstruction | Resolution: 3.44 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 47803 / Symmetry type: POINT | ||||||||||||||||||||||||
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