2.4 Angstrom Crystal Structure of Superantigen-like Protein from Staphylococcus aureus.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3URY |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 9 | 295 | Protein: 7.4mG/mL, 0.25M Sodium chloride, 0.01M Tris-HCl (pH 8.3); Screen: PACT (D6), 0.1M MMT buffer (pH 9.0), 25% (w/v) PEG 1500., VAPOR DIFFUSION, SITTING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.88 | 34.47 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 44.64 | α = 90 |
b = 106.504 | β = 90 |
c = 162.085 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | CCD | MARMOSAIC 300 mm CCD | Beryllium lenses | 2011-11-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.4 | 30 | 99.9 | 0.078 | 21.8 | 6.6 | 31397 | 31397 | -3 | 58.2 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.4 | 2.44 | 100 | 0.523 | 3.6 | 6.5 | 1519 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3URY | 2.4 | 29.67 | 29519 | 29519 | 1569 | 99.87 | 0.19809 | 0.19809 | 0.19486 | 0.2 | 0.25967 | 0.26 | RANDOM | 51.916 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-1.76 | 1.46 | 0.3 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 23.477 |
r_dihedral_angle_4_deg | 11.54 |
r_dihedral_angle_3_deg | 8.522 |
r_scangle_it | 3.309 |
r_dihedral_angle_1_deg | 2.363 |
r_scbond_it | 2.112 |
r_mcangle_it | 1.264 |
r_angle_refined_deg | 1.219 |
r_angle_other_deg | 0.708 |
r_mcbond_it | 0.674 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6357 |
Nucleic Acid Atoms | |
Solvent Atoms | 222 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |