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Yorodumi- PDB-6xfk: Crystal structure of the type III secretion system pilotin-secret... -
+Open data
-Basic information
Entry | Database: PDB / ID: 6xfk | |||||||||
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Title | Crystal structure of the type III secretion system pilotin-secretin complex InvH-InvG | |||||||||
Components |
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Keywords | PROTEIN TRANSPORT / pilotin / secretin / chaperone / type III secretion | |||||||||
Function / homology | Function and homology information type III protein secretion system complex / type II protein secretion system complex / protein secretion by the type III secretion system / protein secretion / cell outer membrane / identical protein binding Similarity search - Function | |||||||||
Biological species | Salmonella typhimurium (bacteria) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.85 Å | |||||||||
Authors | Majewski, D.D. / Okon, M. / Heinkel, F. / Robb, C.S. / Vuckovic, M. / McIntosh, L.P. / Strynadka, N.C.J. | |||||||||
Funding support | Canada, 2items
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Citation | Journal: Structure / Year: 2021 Title: Characterization of the Pilotin-Secretin Complex from the Salmonella enterica Type III Secretion System Using Hybrid Structural Methods. Authors: Majewski, D.D. / Okon, M. / Heinkel, F. / Robb, C.S. / Vuckovic, M. / McIntosh, L.P. / Strynadka, N.C.J. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6xfk.cif.gz | 50 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6xfk.ent.gz | 33.9 KB | Display | PDB format |
PDBx/mmJSON format | 6xfk.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/xf/6xfk ftp://data.pdbj.org/pub/pdb/validation_reports/xf/6xfk | HTTPS FTP |
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-Related structure data
Related structure data | 6xfjSC 6xflC S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Components on special symmetry positions |
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-Components
#1: Protein | Mass: 8090.240 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) (bacteria) Strain: LT2 / SGSC1412 / ATCC 700720 / Gene: invH, sctG, STM2900 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P0CL43 | ||||
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#2: Protein/peptide | Mass: 2023.296 Da / Num. of mol.: 1 / Source method: obtained synthetically Source: (synth.) Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) (bacteria) References: UniProt: P35672 | ||||
#3: Chemical | #4: Water | ChemComp-HOH / | Has ligand of interest | N | |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.09 Å3/Da / Density % sol: 41.01 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 4 Details: 0.5 M lithium sulfate, 8.3% PEG 6000, 100 mM sodium acetate |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: ALS / Beamline: 5.0.2 / Wavelength: 1 Å |
Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Mar 7, 2020 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 1.85→36.93 Å / Num. obs: 8226 / % possible obs: 99.5 % / Redundancy: 16.5 % / CC1/2: 1 / Net I/σ(I): 16.8 |
Reflection shell | Resolution: 1.85→1.92 Å / Num. unique obs: 788 / CC1/2: 0.908 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 6XFJ Resolution: 1.85→36.93 Å / Cor.coef. Fo:Fc: 0.948 / Cor.coef. Fo:Fc free: 0.943 / SU B: 6.794 / SU ML: 0.101 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.155 / ESU R Free: 0.14 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 139.6 Å2 / Biso mean: 43.558 Å2 / Biso min: 27.51 Å2
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Refinement step | Cycle: final / Resolution: 1.85→36.93 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.85→1.898 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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