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- PDB-7t5q: Cryo-EM Structure of a Transition State of Arp2/3 Complex Activation -
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Open data
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Basic information
Entry | Database: PDB / ID: 7t5q | ||||||||||||
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Title | Cryo-EM Structure of a Transition State of Arp2/3 Complex Activation | ||||||||||||
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![]() | CONTRACTILE PROTEIN / actin / ATPase / actin related protein / arp / cytoskeleton / Arp2-3 complex / actin nucleation / actin branching / CapZ | ||||||||||||
Function / homology | ![]() negative regulation of membrane tubulation / spindle localization / membrane invagination / positive regulation of clathrin-dependent endocytosis / EPHB-mediated forward signaling / Regulation of actin dynamics for phagocytic cup formation / RHO GTPases Activate WASPs and WAVEs / plasma membrane tubulation / Arp2/3 protein complex / negative regulation of lymphocyte migration ...negative regulation of membrane tubulation / spindle localization / membrane invagination / positive regulation of clathrin-dependent endocytosis / EPHB-mediated forward signaling / Regulation of actin dynamics for phagocytic cup formation / RHO GTPases Activate WASPs and WAVEs / plasma membrane tubulation / Arp2/3 protein complex / negative regulation of lymphocyte migration / Arp2/3 complex-mediated actin nucleation / postsynapse organization / WASH complex / : / actin nucleation / F-actin capping protein complex / negative regulation of filopodium assembly / regulation of cell projection assembly / actin cap / vesicle organization / postsynaptic actin cytoskeleton organization / vesicle budding from membrane / regulation of actin filament polymerization / positive regulation of chemotaxis / Clathrin-mediated endocytosis / cell junction assembly / COPI-independent Golgi-to-ER retrograde traffic / vesicle transport along actin filament / protein-containing complex localization / barbed-end actin filament capping / actin polymerization or depolymerization / dendritic spine morphogenesis / RHOF GTPase cycle / RHOD GTPase cycle / regulation of cell morphogenesis / regulation of lamellipodium assembly / Sensory processing of sound by inner hair cells of the cochlea / positive regulation of filopodium assembly / Neutrophil degranulation / regulation of postsynapse organization / lamellipodium assembly / cytoskeletal motor activator activity / cortical cytoskeleton / tropomyosin binding / mesenchyme migration / cell leading edge / troponin I binding / myosin heavy chain binding / filamentous actin / actin filament bundle / brush border / skeletal muscle thin filament assembly / Advanced glycosylation endproduct receptor signaling / striated muscle thin filament / actin filament bundle assembly / skeletal muscle myofibril / positive regulation of double-strand break repair via homologous recombination / actin monomer binding / cilium assembly / COPI-mediated anterograde transport / skeletal muscle fiber development / positive regulation of lamellipodium assembly / stress fiber / titin binding / cytoskeleton organization / cytoskeletal protein binding / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / MHC class II antigen presentation / Gene and protein expression by JAK-STAT signaling after Interleukin-12 stimulation / actin filament polymerization / hippocampal mossy fiber to CA3 synapse / sarcomere / filopodium / cell projection / actin filament / response to bacterium / Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement / Schaffer collateral - CA1 synapse / cell morphogenesis / structural constituent of cytoskeleton / calcium-dependent protein binding / regulation of protein localization / actin filament binding / cell migration / actin cytoskeleton / lamellipodium / site of double-strand break / actin binding / Factors involved in megakaryocyte development and platelet production / cell body / cytoplasmic vesicle / actin cytoskeleton organization / postsynapse / protein-containing complex assembly / postsynaptic density / cytoskeleton / hydrolase activity / cadherin binding / neuron projection / protein domain specific binding Similarity search - Function | ||||||||||||
Biological species | ![]() ![]() ![]() ![]() ![]() ![]() ![]() | ||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å | ||||||||||||
![]() | Rebowski, G. / van Eeuwen, T. / Boczkowska, M. / Dominguez, R. | ||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Cryo-EM structure of an Arp2/3 complex mini-branch capped by capping protein (CapZ) Authors: Rebowski, G. / van Eeuwen, T. / Dominguez, R. / Boczkowska, M. | ||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 547.8 KB | Display | ![]() |
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PDB format | ![]() | 438.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.4 MB | Display | ![]() |
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Full document | ![]() | 1.4 MB | Display | |
Data in XML | ![]() | 82.9 KB | Display | |
Data in CIF | ![]() | 124.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 25707MC 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
-Actin-related protein ... , 7 types, 7 molecules ABCDEFG
#1: Protein | Mass: 47428.031 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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#2: Protein | Mass: 44818.711 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#3: Protein | Mass: 41594.238 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#4: Protein | Mass: 34402.043 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#5: Protein | Mass: 20572.666 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#6: Protein | Mass: 19697.047 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
#7: Protein | Mass: 16251.308 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
-Protein , 1 types, 1 molecules H
#8: Protein | Mass: 41875.633 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-F-actin-capping protein subunit ... , 2 types, 2 molecules IJ
#9: Protein | Mass: 39600.566 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() Gene: CAPZA1, Wasl / Production host: ![]() ![]() |
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#10: Protein | Mass: 37470.754 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() Gene: CAPZB, Wasl / Production host: ![]() ![]() |
-Non-polymers , 3 types, 6 molecules ![](data/chem/img/MG.gif)
![](data/chem/img/ATP.gif)
![](data/chem/img/ADP.gif)
![](data/chem/img/ATP.gif)
![](data/chem/img/ADP.gif)
#11: Chemical | #12: Chemical | #13: Chemical | ChemComp-ADP / | |
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-Details
Has ligand of interest | N |
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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 |
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Molecular weight | Value: 0.2489 MDa / Experimental value: NO | |||||||||||||||||||||||||||||||||||
Source (natural) |
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Source (recombinant) |
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Buffer solution | pH: 7 | |||||||||||||||||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: This sample was monodisperse. | |||||||||||||||||||||||||||||||||||
Vitrification | Instrument: LEICA EM CPC / Cryogen name: ETHANE Details: Grids were manually blotted for 3 seconds with Whatman 41 filter paper and manually plunged using a Leica EM CPC manual plunger. |
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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 Details: Data were collected in super-resolution mode with an illuminated area of 1.01 um, nominal dose of 40 e-/A^2, a dose rate of 4.87 e-/s/pixel, and 2 or 5 exposures per hole by image shift. |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 165000 X / Nominal defocus max: 3500 nm / Nominal defocus min: 1500 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm / Alignment procedure: COMA FREE |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Average exposure time: 2.6 sec. / Electron dose: 50 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 9661 |
EM imaging optics | Energyfilter slit width: 20 eV |
Image scans | Width: 5760 / Height: 4092 / Movie frames/image: 40 / Used frames/image: 1-40 |
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Processing
Software | Name: PHENIX / Version: 1.20.1_4487: / Classification: refinement | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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EM software |
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Image processing | Details: Super resolution mode; micrographs binned during motion correction | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
CTF correction | Details: CTF correction was done in cryoSPARC for intial 2D classification and then repeated in CTFFIND4 (Relion) for classification and final reconstruction. Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 4485066 / Details: Particles autopicked in cryoSPARC | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 269760 / Algorithm: FOURIER SPACE / Details: Composite map after multibody refinement / Num. of class averages: 1 / Symmetry type: POINT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | B value: 132 / Protocol: FLEXIBLE FIT / Space: REAL / Target criteria: correlation | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | PDB-ID: 4JD2 Accession code: 4JD2 / Source name: PDB / Type: experimental model | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
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