2XCO
The 3.1A crystal structure of the catalytic core (B'A' region) of Staphylococcus aureus DNA Gyrase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8 | 6% PEG 1,000, 0.15M CALCIUM ACETATE, 100MM IMIDAZOLE, PH 8.0 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.46 | 64.19 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 89.917 | α = 90 |
b = 89.917 | β = 90 |
c = 410.583 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 2 |
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 | 100 | CCD | ADSC CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | ESRF | ID14-4 |
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 | 3.1 | 25 | 93 | 0.14 | 7.3 | 3.4 | 17229 | 61.4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | OTHER | NONE | 3.1 | 24.732 | 1.35 | 17229 | 880 | 91.23 | 0.2204 | 0.2169 | 0.285 | 61.2 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
3.883 | 3.883 | -7.7659 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 19.185 |
f_angle_d | 0.806 |
f_chiral_restr | 0.055 |
f_bond_d | 0.004 |
f_plane_restr | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4941 |
Nucleic Acid Atoms | |
Solvent Atoms | 1 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
MOSFLM | data reduction |
SCALA | data scaling |