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Yorodumi- PDB-3isf: Structure of non-mineralized Bfrb (as-isolated) from Pseudomonas ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 3isf | ||||||
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Title | Structure of non-mineralized Bfrb (as-isolated) from Pseudomonas aeruginosa to 2.07A Resolution | ||||||
Components | Bacterioferritin | ||||||
Keywords | ELECTRON TRANSPORT / iron storage / Heme / Iron / Metal-binding | ||||||
Function / homology | Function and homology information ferroxidase / intracellular sequestering of iron ion / ferroxidase activity / ferric iron binding / iron ion transport / iron ion binding / heme binding / cytosol Similarity search - Function | ||||||
Biological species | Pseudomonas aeruginosa (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.07 Å | ||||||
Authors | Lovell, S. / Weeratunga, S.K. / Battaile, K.P. / Rivera, M. | ||||||
Citation | Journal: Biochemistry / Year: 2010 Title: Structural Studies of Bacterioferritin B from Pseudomonas aeruginosa Suggest a Gating Mechanism for Iron Uptake via the Ferroxidase Center Authors: Weeratunga, S.K. / Lovell, S. / Yao, H. / Battaile, K.P. / Fischer, C.J. / Gee, C.E. / Rivera, M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3isf.cif.gz | 207.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3isf.ent.gz | 167.1 KB | Display | PDB format |
PDBx/mmJSON format | 3isf.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3isf_validation.pdf.gz | 1.8 MB | Display | wwPDB validaton report |
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Full document | 3isf_full_validation.pdf.gz | 1.8 MB | Display | |
Data in XML | 3isf_validation.xml.gz | 41.9 KB | Display | |
Data in CIF | 3isf_validation.cif.gz | 56.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/is/3isf ftp://data.pdbj.org/pub/pdb/validation_reports/is/3isf | HTTPS FTP |
-Related structure data
Related structure data | 3is7SC 3is8C 3iseC 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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Details | The biological assembly is a 24-mer generated from chains A, B, C, D, E, F by the operations: x, -y+1, -z; -x -y+1, z; -x, -y, z |
-Components
#1: Protein | Mass: 18580.168 Da / Num. of mol.: 6 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Pseudomonas aeruginosa (bacteria) / Gene: bfrB, PA3531 / Plasmid: pET11a / Production host: Escherichia coli (E. coli) / Strain (production host): Arctic express RIL / References: UniProt: Q9HY79 #2: Chemical | #3: Chemical | ChemComp-HEM / #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.93 Å3/Da / Density % sol: 58.02 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion / pH: 8.5 Details: 35% MPD, 100mM TRIS, 200mM ammonium sulfate, pH 8.5, vapor diffusion, temperature 277K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 17-BM / Wavelength: 1.6531 Å |
Detector | Type: ADSC QUANTUM 210r / Detector: CCD / Date: Jun 15, 2009 |
Diffraction measurement | Details: 1.00 degrees, 20.0 sec, detector distance 100.00 mm |
Radiation | Protocol: SINGLE WAVELENGTH / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.6531 Å / Relative weight: 1 |
Reflection | Av R equivalents: 0.09 / Number: 550910 |
Reflection | Resolution: 2.07→44.02 Å / Num. obs: 79588 / % possible obs: 99.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 6.9 % / Biso Wilson estimate: 31.3 Å2 / Rmerge(I) obs: 0.09 / Rsym value: 0.09 / Net I/σ(I): 20.279 |
Reflection shell | Resolution: 2.07→2.14 Å / Redundancy: 5.3 % / Rmerge(I) obs: 0.504 / Mean I/σ(I) obs: 2.375 / Num. unique all: 7764 / Rsym value: 0.504 / % possible all: 97.8 |
Cell measurement | Reflection used: 550910 |
-Phasing
Phasing | Method: molecular replacement | |||||||||
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Phasing MR |
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB entry 3IS7 Resolution: 2.07→44.02 Å / Cor.coef. Fo:Fc: 0.949 / Cor.coef. Fo:Fc free: 0.924 / WRfactor Rfree: 0.223 / WRfactor Rwork: 0.18 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 4.441 / SU ML: 0.119 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.184 / ESU R Free: 0.171 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES: REFINED INDIVIDUALLY
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 71.76 Å2 / Biso mean: 38.903 Å2 / Biso min: 19.95 Å2
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Refinement step | Cycle: LAST / Resolution: 2.07→44.02 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 20
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