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Open data
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Basic information
Entry | Database: PDB / ID: 9dwq | |||||||||||||||||||||||||||
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Title | PKD2 ion channel, F629S variant | |||||||||||||||||||||||||||
![]() | Polycystin-2 | |||||||||||||||||||||||||||
![]() | MEMBRANE PROTEIN / Ion channel / TRP channel / polycystin | |||||||||||||||||||||||||||
Function / homology | ![]() detection of nodal flow / metanephric smooth muscle tissue development / metanephric cortex development / metanephric cortical collecting duct development / metanephric distal tubule development / polycystin complex / mesonephric tubule development / mesonephric duct development / metanephric part of ureteric bud development / renal tubule morphogenesis ...detection of nodal flow / metanephric smooth muscle tissue development / metanephric cortex development / metanephric cortical collecting duct development / metanephric distal tubule development / polycystin complex / mesonephric tubule development / mesonephric duct development / metanephric part of ureteric bud development / renal tubule morphogenesis / determination of liver left/right asymmetry / HLH domain binding / metanephric ascending thin limb development / metanephric mesenchyme development / metanephric S-shaped body morphogenesis / basal cortex / renal artery morphogenesis / positive regulation of inositol 1,4,5-trisphosphate-sensitive calcium-release channel activity / calcium-induced calcium release activity / migrasome / cilium organization / VxPx cargo-targeting to cilium / detection of mechanical stimulus / muscle alpha-actinin binding / regulation of calcium ion import / voltage-gated monoatomic ion channel activity / placenta blood vessel development / cellular response to hydrostatic pressure / cation channel complex / cellular response to fluid shear stress / outward rectifier potassium channel activity / actinin binding / cellular response to osmotic stress / non-motile cilium / determination of left/right symmetry / inorganic cation transmembrane transport / voltage-gated monoatomic cation channel activity / aorta development / neural tube development / motile cilium / voltage-gated sodium channel activity / ciliary membrane / branching involved in ureteric bud morphogenesis / protein heterotetramerization / negative regulation of G1/S transition of mitotic cell cycle / spinal cord development / cytoplasmic side of endoplasmic reticulum membrane / heart looping / centrosome duplication / voltage-gated potassium channel activity / cell surface receptor signaling pathway via JAK-STAT / potassium channel activity / embryonic placenta development / voltage-gated calcium channel activity / transcription regulator inhibitor activity / monoatomic cation channel activity / cytoskeletal protein binding / cellular response to cAMP / release of sequestered calcium ion into cytosol / potassium ion transmembrane transport / sodium ion transmembrane transport / cytoplasmic vesicle membrane / cellular response to calcium ion / liver development / basal plasma membrane / lumenal side of endoplasmic reticulum membrane / cellular response to reactive oxygen species / establishment of localization in cell / phosphoprotein binding / protein tetramerization / calcium ion transmembrane transport / Wnt signaling pathway / intracellular calcium ion homeostasis / calcium ion transport / mitotic spindle / positive regulation of nitric oxide biosynthetic process / cell-cell junction / lamellipodium / regulation of cell population proliferation / heart development / ATPase binding / positive regulation of cytosolic calcium ion concentration / basolateral plasma membrane / protein homotetramerization / transmembrane transporter binding / cell surface receptor signaling pathway / regulation of cell cycle / ciliary basal body / cilium / signaling receptor binding / negative regulation of cell population proliferation / calcium ion binding / positive regulation of gene expression / endoplasmic reticulum membrane / endoplasmic reticulum / Golgi apparatus / protein homodimerization activity / positive regulation of transcription by RNA polymerase II / extracellular exosome / identical protein binding Similarity search - Function | |||||||||||||||||||||||||||
Biological species | ![]() | |||||||||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.76 Å | |||||||||||||||||||||||||||
![]() | Esarte Palomero, O. / DeCaen, P.G. | |||||||||||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: PKD2 ion channel, F629S variant Authors: Esarte Palomero, O. / DeCaen, P.G. | |||||||||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 727.4 KB | Display | ![]() |
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PDB format | ![]() | 606.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 47260MC 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: 85043.344 Da / Num. of mol.: 4 / Mutation: F629S Source method: isolated from a genetically manipulated source Details: PKD2 variant F629S (residues 52-793) was expressed with an N-terminal StrepII-MBP-TEV cleaved prior to macromolecular analysis Source: (gene. exp.) ![]() ![]() #2: Chemical | ChemComp-CA / | Has ligand of interest | Y | Has protein modification | 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: PKD2 ion channel F629S variant protomer / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT | |||||||||||||||||||||||||
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Molecular weight | Value: 0.3396 MDa / Experimental value: NO | |||||||||||||||||||||||||
Source (natural) | Organism: ![]() | |||||||||||||||||||||||||
Source (recombinant) | Organism: ![]() | |||||||||||||||||||||||||
Buffer solution | pH: 7.4 Details: 25 mM HEPES-NaOH, 150 mM NaCl, 1 mM CaCl2, 1 mM TCEP | |||||||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES Details: Stabilized in amphipol A8-35. Monodisperse sample after gel filtration in a Superdex 200 column. | |||||||||||||||||||||||||
Specimen support | Details: 15 mA / Grid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/1 | |||||||||||||||||||||||||
Vitrification | Instrument: LEICA EM GP / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 278 K Details: Vitrification carried in air. Ethane temperature -183 C |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: TFS KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 130000 X / Nominal defocus max: 2400 nm / Nominal defocus min: 600 nm / Cs: 2.7 mm / Alignment procedure: BASIC |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Electron dose: 60 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 9145 / Details: 50 frame movie stacks. Super-resolution mode |
EM imaging optics | Energyfilter name: GIF Bioquantum / Energyfilter slit width: 10 eV |
Image scans | Width: 11520 / Height: 8184 |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 1046126 Details: Denoised micrographs were blob picked (130-170 angstrom) | ||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C4 (4 fold cyclic) | ||||||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.76 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 215875 / Algorithm: FOURIER SPACE Details: Final reconstruction performed with C4 symmetry imposed Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | B value: 107.9 / Space: REAL Details: The initial Alphafold model was fitted to the map using ChimeraX. Refinement was performed using ISOLDE and PHENIX. | ||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | Source name: AlphaFold / Type: in silico model | ||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
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