4QLO
Crystal Structure of homoserine o-acetyltransferase from Staphylococcus aureus
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 0.7 M Ammonium formate, 100 mM Imidazole hydrochloride, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.59 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.155 | α = 90 |
b = 49.155 | β = 90 |
c = 481.417 | 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 | MARMOSAIC 300 mm CCD | HORIZONTALLY AND VERTICALLY FOCUSING BIMORPH MIRRORS IN KIRKPATRICK-BAEZ CONFIGURATION | 2014-04-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 1.033 | APS | 23-ID-B |
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 | 2.45 | 50 | 91 | 0.153 | 5.7 | 83432 | 12887 | 1 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.45 | 2.54 | 0.39 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 2.45 | 50 | 12155 | 635 | 91.27 | 0.24225 | 0.23988 | 0.29086 | RANDOM | 57.875 |
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] | |
2.23 | 1.11 | 2.23 | -7.23 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.573 |
r_dihedral_angle_4_deg | 17.485 |
r_dihedral_angle_3_deg | 17.401 |
r_dihedral_angle_1_deg | 7.5 |
r_long_range_B_refined | 6.882 |
r_long_range_B_other | 6.878 |
r_scangle_other | 4.821 |
r_mcangle_it | 4.483 |
r_mcangle_other | 4.425 |
r_scbond_it | 3.061 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2652 |
Nucleic Acid Atoms | |
Solvent Atoms | 28 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
BALBES | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |