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Yorodumi- PDB-5jr4: Crystal structure of FimH A27V/V163A from E. coli UTI89 bound to ... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 5jr4 | ||||||
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| Title | Crystal structure of FimH A27V/V163A from E. coli UTI89 bound to FimG N-terminal extension | ||||||
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Keywords | SUGAR BINDING PROTEIN / lectin / immunoglobulin fold / carbohydrate binding protein / donor strand exchange | ||||||
| Function / homology | Function and homology informationcell adhesion involved in single-species biofilm formation / pilus / metal ion binding Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.596 Å | ||||||
Authors | Kalas, V. / Hultgren, S.J. | ||||||
Citation | Journal: Sci Adv / Year: 2017Title: Evolutionary fine-tuning of conformational ensembles in FimH during host-pathogen interactions. Authors: Vasilios Kalas / Jerome S Pinkner / Thomas J Hannan / Michael E Hibbing / Karen W Dodson / Alex S Holehouse / Hao Zhang / Niraj H Tolia / Michael L Gross / Rohit V Pappu / James Janetka / Scott J Hultgren / ![]() Abstract: Positive selection in the two-domain type 1 pilus adhesin FimH enhances fitness in urinary tract infection (UTI). We report a comprehensive atomic-level view of FimH in two-state conformational ...Positive selection in the two-domain type 1 pilus adhesin FimH enhances fitness in urinary tract infection (UTI). We report a comprehensive atomic-level view of FimH in two-state conformational ensembles in solution, composed of one low-affinity tense (T) and multiple high-affinity relaxed (R) conformations. Positively selected residues allosterically modulate the equilibrium between these two conformational states, each of which engages mannose through distinct binding orientations. A FimH variant that only adopts the R state is severely attenuated early in a mouse model of uncomplicated UTI but is proficient at colonizing catheterized bladders in vivo or bladder transitional-like epithelial cells in vitro. Thus, the bladder habitat has barrier(s) to R state-mediated colonization possibly conferred by the terminally differentiated bladder epithelium and/or decoy receptors in urine. Together, our studies reveal the conformational landscape in solution, binding mechanisms, and adhesive strength of an allosteric two-domain adhesin that evolved "moderate" affinity to optimize persistence in the bladder during UTI. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 5jr4.cif.gz | 68.7 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb5jr4.ent.gz | 49.2 KB | Display | PDB format |
| PDBx/mmJSON format | 5jr4.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/jr/5jr4 ftp://data.pdbj.org/pub/pdb/validation_reports/jr/5jr4 | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 5jqiC ![]() 1klfS C: citing same article ( S: Starting model for refinement |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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Components
| #1: Protein | Mass: 29037.260 Da / Num. of mol.: 1 / Fragment: UNP residues 22-300 / Mutation: A27V, V163A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: UTI89 / UPEC / Gene: fimH, UTI89_C5017 / Production host: ![]() |
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| #2: Protein/peptide | Mass: 1513.776 Da / Num. of mol.: 1 / Source method: obtained synthetically Source: (synth.) ![]() References: UniProt: Q1R2J5*PLUS |
| #3: Chemical | ChemComp-GOL / |
| #4: Chemical | ChemComp-CA / |
| #5: Water | ChemComp-HOH / |
| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.06 Å3/Da / Density % sol: 40.33 % |
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: 0.1 M MES pH 5.6, 0.2 M Calcium Acetate, 5% PEG 8000 |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: ROTATING ANODE / Type: RIGAKU MICROMAX-007 / Wavelength: 1.54179 Å |
| Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Mar 18, 2016 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.54179 Å / Relative weight: 1 |
| Reflection | Resolution: 2.59→62.35 Å / Num. obs: 7964 / % possible obs: 99.3 % / Redundancy: 6.4 % / Rmerge(I) obs: 0.164 / Net I/σ(I): 8.1 |
| Reflection shell | Resolution: 2.59→2.73 Å / Redundancy: 6 % / Rmerge(I) obs: 0.482 / Mean I/σ(I) obs: 3.3 / % possible all: 95.1 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 1KLF Resolution: 2.596→62.348 Å / SU ML: 0.34 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 28.58 / Stereochemistry target values: ML
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| Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.596→62.348 Å
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| Refine LS restraints |
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| LS refinement shell |
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