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- PDB-9ewx: Cryo-EM structure of the Pseudomonas aeruginosa PAO1 Type IV pilus -
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Open data
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Basic information
Entry | Database: PDB / ID: 9ewx | |||||||||||||||
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Title | Cryo-EM structure of the Pseudomonas aeruginosa PAO1 Type IV pilus | |||||||||||||||
![]() | Pilin | |||||||||||||||
![]() | CELL ADHESION / Type IV pilus | |||||||||||||||
Function / homology | Fimbrial protein pilin / Pilin (bacterial filament) / Prokaryotic N-terminal methylation motif / Prokaryotic N-terminal methylation site / Pilin-like / pilus / cell adhesion / membrane / Pilin![]() | |||||||||||||||
Biological species | ![]() ![]() | |||||||||||||||
Method | ELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 3.17 Å | |||||||||||||||
![]() | Ochner, H. / Boehning, J. / Wang, Z. / Tarafder, A. / Caspy, I. / Bharat, T.A.M. | |||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Structure of the Pseudomonas aeruginosa PAO1 Type-IV pilus Authors: Ochner, H. / Boehning, J. / Wang, Z. / Tarafder, A. / Caspy, I. / Bharat, T.A.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 | ![]() | 562.8 KB | Display | ![]() |
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PDB format | ![]() | 473.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.6 MB | Display | ![]() |
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Full document | ![]() | 1.7 MB | Display | |
Data in XML | ![]() | 92.9 KB | Display | |
Data in CIF | ![]() | 123.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 50025MC 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: 14878.889 Da / Num. of mol.: 23 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: HELICAL ARRAY / 3D reconstruction method: helical reconstruction |
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Sample preparation
Component | Name: Pseudomonas aeruginosa PAO1 Type IV Pilus / Type: COMPLEX / Entity ID: all / Source: NATURAL |
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Molecular weight | Value: 0.015 MDa / Experimental value: NO |
Source (natural) | Organism: ![]() ![]() |
Buffer solution | pH: 7.5 / Details: 50 mM Tris pH 7.5, 150 mM NaCl |
Specimen | Conc.: 6.46 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Specimen support | Grid material: COPPER/RHODIUM / Grid mesh size: 200 divisions/in. / Grid type: Quantifoil R3.5/1 |
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 283 K |
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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 defocus max: 2500 nm / Nominal defocus min: 1000 nm / C2 aperture diameter: 50 µm |
Image recording | Average exposure time: 6.66 sec. / Electron dose: 40 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k) / Num. of grids imaged: 1 / Num. of real images: 5679 |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
Helical symmerty | Angular rotation/subunit: 87.39 ° / Axial rise/subunit: 10.17 Å / Axial symmetry: C1 | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.17 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 114537 / Symmetry type: HELICAL | ||||||||||||||||||||||||
Refine LS restraints |
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