+Open data
-Basic information
Entry | Database: PDB / ID: 4lse | ||||||
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Title | Ion selectivity of OmpF porin soaked in 0.2M NaBr | ||||||
Components | Outer membrane protein F | ||||||
Keywords | TRANSPORT PROTEIN / porin / outer membrane protein / beta-barrel / ion transport | ||||||
Function / homology | Function and homology information colicin transmembrane transporter activity / monoatomic ion channel complex / porin activity / pore complex / protein homotrimerization / monoatomic ion channel activity / lipopolysaccharide binding / cell outer membrane / disordered domain specific binding / protein transport ...colicin transmembrane transporter activity / monoatomic ion channel complex / porin activity / pore complex / protein homotrimerization / monoatomic ion channel activity / lipopolysaccharide binding / cell outer membrane / disordered domain specific binding / protein transport / monoatomic ion transmembrane transport / lipid binding / identical protein binding / membrane Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å | ||||||
Authors | Balasundaresan, D. / Blachowicz, L. / Roux, B. | ||||||
Citation | Journal: J.Am.Chem.Soc. / Year: 2013 Title: A structural study of ion permeation in OmpF porin from anomalous X-ray diffraction and molecular dynamics simulations. Authors: Dhakshnamoorthy, B. / Ziervogel, B.K. / Blachowicz, L. / Roux, B. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4lse.cif.gz | 220.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4lse.ent.gz | 176 KB | Display | PDB format |
PDBx/mmJSON format | 4lse.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4lse_validation.pdf.gz | 782.6 KB | Display | wwPDB validaton report |
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Full document | 4lse_full_validation.pdf.gz | 808.8 KB | Display | |
Data in XML | 4lse_validation.xml.gz | 46.8 KB | Display | |
Data in CIF | 4lse_validation.cif.gz | 66.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ls/4lse ftp://data.pdbj.org/pub/pdb/validation_reports/ls/4lse | HTTPS FTP |
-Related structure data
Related structure data | 4lsfC 4lshC 4lsiC 2omfS C: citing same article (ref.) S: Starting model for refinement |
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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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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: ALA / Beg label comp-ID: ALA / End auth comp-ID: PHE / End label comp-ID: PHE / Refine code: 1 / Auth seq-ID: 1 - 340 / Label seq-ID: 2 - 341
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-Components
-Protein , 1 types, 3 molecules ABC
#1: Protein | Mass: 37171.301 Da / Num. of mol.: 3 / Fragment: UNP residues 23-362 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: b0929, cmlB, coa, cry, JW0912, ompF, tolF / Plasmid: PPR272 / Production host: Escherichia coli (E. coli) / Strain (production host): K12 / References: UniProt: P02931 |
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-Non-polymers , 5 types, 639 molecules
#2: Chemical | ChemComp-BR / #3: Chemical | ChemComp-MG / #4: Chemical | ChemComp-PEG / #5: Chemical | #6: 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: 2.53 Å3/Da / Density % sol: 51.35 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 50% PEG200, 0.1 M sodium cacodylate, 0.2 M magnesium chloride, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 23-ID-D / Wavelength: 0.9199 Å |
Detector | Type: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Aug 20, 2010 |
Radiation | Monochromator: double crystal Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9199 Å / Relative weight: 1 |
Reflection | Resolution: 2.1→50 Å / Num. all: 66616 / Num. obs: 66615 / % possible obs: 94.9 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 2.7 % / Biso Wilson estimate: 26.306 Å2 / Rmerge(I) obs: 0.109 / Net I/σ(I): 16.78 |
Reflection shell | Resolution: 2.1→2.14 Å / Redundancy: 2.7 % / Rmerge(I) obs: 0.457 / Mean I/σ(I) obs: 3.2 / % possible all: 93.9 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 2OMF Resolution: 2.1→36.28 Å / Cor.coef. Fo:Fc: 0.921 / Cor.coef. Fo:Fc free: 0.866 / SU B: 7.671 / SU ML: 0.2 / Cross valid method: THROUGHOUT / σ(F): 2 / ESU R: 0.279 / ESU R Free: 0.234 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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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 mean: 26.306 Å2
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Refinement step | Cycle: LAST / Resolution: 2.1→36.28 Å
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