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- EMDB-53110: Cryo-EM structure of the cofilactin filament core at 2.3 Angstrom... -
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Basic information
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Title | Cryo-EM structure of the cofilactin filament core at 2.3 Angstrom resolution. | |||||||||||||||
![]() | Main, sharpened cryo-EM density map of the cofilactin filament core | |||||||||||||||
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![]() | actin / cofilin / filament / cytoskeleton / STRUCTURAL PROTEIN | |||||||||||||||
Function / homology | ![]() cellular response to ether / cofilin-actin rod / positive regulation of protein localization to cell leading edge / positive regulation of establishment of cell polarity regulating cell shape / negative regulation of unidimensional cell growth / positive regulation of barbed-end actin filament capping / neural fold formation / negative regulation of lamellipodium assembly / negative regulation of postsynaptic density organization / actin filament fragmentation ...cellular response to ether / cofilin-actin rod / positive regulation of protein localization to cell leading edge / positive regulation of establishment of cell polarity regulating cell shape / negative regulation of unidimensional cell growth / positive regulation of barbed-end actin filament capping / neural fold formation / negative regulation of lamellipodium assembly / negative regulation of postsynaptic density organization / actin filament fragmentation / positive regulation of actin filament depolymerization / modification of postsynaptic actin cytoskeleton / positive regulation of norepinephrine uptake / positive regulation of embryonic development / negative regulation of actin filament bundle assembly / positive regulation of synaptic plasticity / negative regulation of actin filament depolymerization / bBAF complex / cellular response to cytochalasin B / npBAF complex / nBAF complex / brahma complex / actin filament severing / regulation of transepithelial transport / Formation of annular gap junctions / morphogenesis of a polarized epithelium / Formation of the dystrophin-glycoprotein complex (DGC) / structural constituent of postsynaptic actin cytoskeleton / GBAF complex / Gap junction degradation / regulation of G0 to G1 transition / Folding of actin by CCT/TriC / Cell-extracellular matrix interactions / regulation of dendritic spine morphogenesis / protein localization to adherens junction / establishment of spindle localization / host-mediated activation of viral process / actin filament depolymerization / dense body / cell projection organization / postsynaptic actin cytoskeleton / Tat protein binding / negative regulation of cell adhesion / negative regulation of cell motility / RHO GTPases Activate ROCKs / Prefoldin mediated transfer of substrate to CCT/TriC / RSC-type complex / negative regulation of cell size / regulation of double-strand break repair / regulation of nucleotide-excision repair / cellular response to interleukin-6 / regulation of cell morphogenesis / Adherens junctions interactions / negative regulation of dendritic spine maintenance / RHOF GTPase cycle / adherens junction assembly / apical protein localization / Sensory processing of sound by outer hair cells of the cochlea / neural crest cell migration / Interaction between L1 and Ankyrins / tight junction / SWI/SNF complex / regulation of mitotic metaphase/anaphase transition / Sensory processing of sound by inner hair cells of the cochlea / positive regulation of cell motility / positive regulation of T cell differentiation / apical junction complex / cortical actin cytoskeleton / phosphatidylinositol bisphosphate binding / cellular response to insulin-like growth factor stimulus / regulation of norepinephrine uptake / positive regulation of double-strand break repair / transporter regulator activity / maintenance of blood-brain barrier / establishment of cell polarity / nitric-oxide synthase binding / positive regulation of dendritic spine development / cortical cytoskeleton / establishment or maintenance of cell polarity / NuA4 histone acetyltransferase complex / positive regulation of stem cell population maintenance / Regulation of MITF-M-dependent genes involved in pigmentation / Recycling pathway of L1 / brush border / regulation of G1/S transition of mitotic cell cycle / lamellipodium membrane / mitotic cytokinesis / positive regulation of proteolysis / Sema3A PAK dependent Axon repulsion / kinesin binding / EPH-ephrin mediated repulsion of cells / cellular response to interleukin-1 / negative regulation of cell differentiation / positive regulation of focal adhesion assembly / RHO GTPases Activate WASPs and WAVEs / regulation of synaptic vesicle endocytosis / response to amino acid / positive regulation of myoblast differentiation / RHO GTPases activate IQGAPs / postsynaptic density, intracellular component Similarity search - Function | |||||||||||||||
Biological species | ![]() | |||||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.31 Å | |||||||||||||||
![]() | Oosterheert W / Boiero Sanders M / Hofnagel O / Bieling P / Raunser S | |||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Choreography of rapid actin filament disassembly by coronin, cofilin and AIP1 Authors: Oosterheert W / Boiero Sanders M / Hofnagel O / Bieling P / Raunser S | |||||||||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 323.1 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 26.5 KB 26.5 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 14.8 KB | Display | ![]() |
Images | ![]() | 140.6 KB | ||
Masks | ![]() | 343 MB | ![]() | |
Filedesc metadata | ![]() | 7.2 KB | ||
Others | ![]() ![]() ![]() | 169.6 MB 318.6 MB 318.6 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 1006.1 KB | Display | ![]() |
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Full document | ![]() | 1005.6 KB | Display | |
Data in XML | ![]() | 23.6 KB | Display | |
Data in CIF | ![]() | 31 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 9qfjMC ![]() 9qewC ![]() 9qeyC ![]() 9qf2C ![]() 9qfbC ![]() 9qfdC ![]() 9qfeC ![]() 9qfgC ![]() 9qfkC ![]() 9qfoC ![]() 9qfqC ![]() 9qfwC C: citing same article ( M: atomic model generated by this map |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||
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Annotation | Main, sharpened cryo-EM density map of the cofilactin filament core | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.68 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Mask #1
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Projections & Slices |
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Density Histograms |
-Additional map: Additional unsharpened map of the cofilactin filament core
File | emd_53110_additional_1.map | ||||||||||||
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Annotation | Additional unsharpened map of the cofilactin filament core | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half map B of the cofilactin filament core
File | emd_53110_half_map_1.map | ||||||||||||
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Annotation | Half map B of the cofilactin filament core | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half map A of the cofilactin filament core
File | emd_53110_half_map_2.map | ||||||||||||
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Annotation | Half map A of the cofilactin filament core | ||||||||||||
Projections & Slices |
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Density Histograms |
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Sample components
-Entire : Cofilactin filament core
Entire | Name: Cofilactin filament core |
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Components |
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-Supramolecule #1: Cofilactin filament core
Supramolecule | Name: Cofilactin filament core / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2 / Details: Cofilin-1 bound to the actin filament |
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Source (natural) | Organism: ![]() |
-Supramolecule #2: Actin filament
Supramolecule | Name: Actin filament / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #2 |
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Source (natural) | Organism: ![]() |
-Supramolecule #3: Cofilin-1
Supramolecule | Name: Cofilin-1 / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #1 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Cofilin-1
Macromolecule | Name: Cofilin-1 / type: protein_or_peptide / ID: 1 / Number of copies: 5 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 18.532531 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MASGVAVSDG VIKVFNDMKV RKSSTPEEVK KRKKAVLFCL SEDKKNIILE EGKEILVGDV GQTVDDPYAT FVKMLPDKDC RYALYDATY ETKESKKEDL VFIFWAPESA PLKSKMIYAS SKDAIKKKLT GIKHELQANC YEEVKDRCTL AEKLGGSAVI S LEGKPL UniProtKB: Cofilin-1 |
-Macromolecule #2: Actin, cytoplasmic 1, N-terminally processed
Macromolecule | Name: Actin, cytoplasmic 1, N-terminally processed / type: protein_or_peptide / ID: 2 / Number of copies: 5 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 41.632422 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: DDDIAALVVD NGSGMCKAGF AGDDAPRAVF PSIVGRPRHQ GVMVGMGQKD SYVGDEAQSK RGILTLKYPI E(HIC)GIVT NWD DMEKIWHHTF YNELRVAPEE HPVLLTEAPL NPKANREKMT QIMFETFNTP AMYVAIQAVL SLYASGRTTG IVMDSGD GV THTVPIYEGY ...String: DDDIAALVVD NGSGMCKAGF AGDDAPRAVF PSIVGRPRHQ GVMVGMGQKD SYVGDEAQSK RGILTLKYPI E(HIC)GIVT NWD DMEKIWHHTF YNELRVAPEE HPVLLTEAPL NPKANREKMT QIMFETFNTP AMYVAIQAVL SLYASGRTTG IVMDSGD GV THTVPIYEGY ALPHAILRLD LAGRDLTDYL MKILTERGYS FTTTAEREIV RDIKEKLCYV ALDFEQEMAT AASSSSLE K SYELPDGQVI TIGNERFRCP EALFQPSFLG MESAGIHETT FNSIMKCDVD IRKDLYANTV LSGGTTMYPG IADRMQKEI TALAPSTMKI KIIAPPERKY SVWIGGSILA SLSTFQQMWI SKQEYDESGP SIVHRKCF UniProtKB: Actin, cytoplasmic 1 |
-Macromolecule #3: ADENOSINE-5'-DIPHOSPHATE
Macromolecule | Name: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 3 / Number of copies: 5 / Formula: ADP |
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Molecular weight | Theoretical: 427.201 Da |
Chemical component information | ![]() ChemComp-ADP: |
-Macromolecule #4: MAGNESIUM ION
Macromolecule | Name: MAGNESIUM ION / type: ligand / ID: 4 / Number of copies: 5 / Formula: MG |
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Molecular weight | Theoretical: 24.305 Da |
-Macromolecule #5: water
Macromolecule | Name: water / type: ligand / ID: 5 / Number of copies: 857 / Formula: HOH |
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Molecular weight | Theoretical: 18.015 Da |
Chemical component information | ![]() ChemComp-HOH: |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | filament |
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Sample preparation
Buffer | pH: 7.1 Component:
Details: 1xKMEH (10 mM HEPES pH 7.1, 100 mM KCl, 2 mM MgCl2, 1 mM EGTA, 0.5 mM TCEP, 0.015% Tween) | |||||||||||||||||||||
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Grid | Model: Quantifoil R2/1 / Material: GOLD / Mesh: 200 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 90 sec. | |||||||||||||||||||||
Vitrification | Cryogen name: ETHANE-PROPANE / Chamber humidity: 100 % / Chamber temperature: 286 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | TFS KRIOS |
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Specialist optics | Spherical aberration corrector: 300 kV Titan Krios G2 microscope (Thermo Fisher Scientific) equipped with an in-column Cs corrector Energy filter - Name: GIF Bioquantum / Energy filter - Slit width: 15 eV |
Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Number grids imaged: 1 / Number real images: 23082 / Average electron dose: 71.7 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | C2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 0.01 mm / Nominal defocus max: 2.7 µm / Nominal defocus min: 1.2 µm / Nominal magnification: 105000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
Initial model | PDB ID: Chain - Source name: PDB / Chain - Initial model type: experimental model |
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Details | The final model refinement was performed using Phenix real space refinement. |
Refinement | Space: REAL / Protocol: FLEXIBLE FIT |
Output model | ![]() PDB-9qfj: |