3CV2
Atomic Resolution Structures of Escherichia coli and Bacillis anthracis Malate Synthase A: Comparison with Isoform G and Implications for Structure Based Drug Design
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | 0.1M PIPES pH 6.5, 0.1M ammonium sulfate, 27% PEG 8K. Data collected 3 months after set-up, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.3 | 46.61 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 75.202 | α = 90 |
b = 71.475 | β = 90.06 |
c = 103.261 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2007-05-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | 1.00 | ALS | 5.0.2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.4 | 30 | 97.1 | 229489 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1.4 | 1.45 | 94.7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1.4 | 25.01 | 198569 | 10530 | 97.53 | 0.17144 | 0.16994 | 0.19981 | RANDOM | 15.284 |
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] | |
-0.06 | 0.01 | -0.11 | 0.17 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.981 |
r_dihedral_angle_4_deg | 15.48 |
r_dihedral_angle_3_deg | 12.657 |
r_sphericity_free | 5.483 |
r_dihedral_angle_1_deg | 5.415 |
r_sphericity_bonded | 3.059 |
r_scangle_it | 2.946 |
r_scbond_it | 2.116 |
r_mcangle_it | 1.513 |
r_angle_refined_deg | 1.224 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8430 |
Nucleic Acid Atoms | |
Solvent Atoms | 1156 |
Heterogen Atoms | 77 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
ADSC | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
MOLREP | phasing |