+Open data
-Basic information
Entry | Database: PDB / ID: 3q8a | ||||||
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Title | Crystal structure of WT Protective Antigen (pH 5.5) | ||||||
Components | Protective antigen | ||||||
Keywords | TOXIN / Protective Antigen / Anthrax / pH stability / PROTEIN BINDING | ||||||
Function / homology | Function and homology information positive regulation of apoptotic process in another organism / host cell cytosol / Uptake and function of anthrax toxins / negative regulation of MAPK cascade / host cell endosome membrane / protein homooligomerization / toxin activity / host cell plasma membrane / extracellular region / identical protein binding ...positive regulation of apoptotic process in another organism / host cell cytosol / Uptake and function of anthrax toxins / negative regulation of MAPK cascade / host cell endosome membrane / protein homooligomerization / toxin activity / host cell plasma membrane / extracellular region / identical protein binding / membrane / metal ion binding Similarity search - Function | ||||||
Biological species | Bacillus anthracis (anthrax bacterium) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 3.129 Å | ||||||
Authors | Rajapaksha, M. / Lovell, S. / Janowiak, B.E. / Andra, K.K. / Battaile, K.P. / Bann, J.G. | ||||||
Citation | Journal: Protein Sci. / Year: 2012 Title: pH effects on binding between the anthrax protective antigen and the host cellular receptor CMG2. Authors: Rajapaksha, M. / Lovell, S. / Janowiak, B.E. / Andra, K.K. / Battaile, K.P. / Bann, J.G. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3q8a.cif.gz | 145.4 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3q8a.ent.gz | 111.7 KB | Display | PDB format |
PDBx/mmJSON format | 3q8a.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3q8a_validation.pdf.gz | 434.5 KB | Display | wwPDB validaton report |
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Full document | 3q8a_full_validation.pdf.gz | 454.4 KB | Display | |
Data in XML | 3q8a_validation.xml.gz | 26.6 KB | Display | |
Data in CIF | 3q8a_validation.cif.gz | 35.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/q8/3q8a ftp://data.pdbj.org/pub/pdb/validation_reports/q8/3q8a | HTTPS FTP |
-Related structure data
Related structure data | 3q8bC 3q8cC 3q8eC 3q8fC 3mhzS 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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Details | biological unit is the same as asym. |
-Components
#1: Protein | Mass: 82768.828 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Bacillus anthracis (anthrax bacterium) Gene: BAA_A0168, BXA0164, GBAA_pXO1_0164, pag, pagA, pXO1-110 Plasmid: pQE80 / Production host: Escherichia coli (E. coli) / References: UniProt: P13423 |
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#2: Chemical |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.31 Å3/Da / Density % sol: 46.67 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion / pH: 5.5 Details: 25 %(w/v) PEG 1500, 100 mM SPG Buffer, pH 5.5, vapor diffusion, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 17-ID / Wavelength: 1 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jan 1, 2010 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 3.129→114.877 Å / Num. all: 14065 / Num. obs: 14065 / % possible obs: 99.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 6.2 % / Rsym value: 0.109 / Net I/σ(I): 11.3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Processing
Software |
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Refinement | Method to determine structure: FOURIER SYNTHESIS Starting model: PDB entry 3MHZ Resolution: 3.129→56.538 Å / Occupancy max: 1 / Occupancy min: 0.5 / SU ML: 0.36 / σ(F): 1.35 / Phase error: 29.13 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.17 Å / VDW probe radii: 0.4 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 49.254 Å2 / ksol: 0.373 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 133.95 Å2 / Biso mean: 75.756 Å2 / Biso min: 41.24 Å2
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Refinement step | Cycle: LAST / Resolution: 3.129→56.538 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: 5
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