2GBB
Crystal structure of secreted chorismate mutase from Yersinia pestis
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.2 | 298 | Well solution: 1.5-1.6 M ammonium sulfate, 0.1 M citrate/phosphate buffer pH 4.2. Protein solution: 5 mg/ml in 0.025 M Tris ph 7.5, 0.0005 M EDTA, 0.0005 M DTT, 0.1 M sodium chloride. Drops: 1:1 well:protein., VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.64 | 53.37 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 89.01 | α = 90 |
b = 144.09 | β = 90 |
c = 116.63 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 | 100 | CCD | ADSC QUANTUM 315 | 2005-11-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | 0.979 | NSLS | X29A |
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 | 2.1 | 50 | 99.4 | 0.113 | 8.2 | 13 | 43510 |
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) | |||||||||||
2.1 | 2.18 | 95.3 | 0.469 | 8 |
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 (All) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.1 | 20 | 42698 | 2177 | 97.48 | 0.21 | 0.207 | 0.258 | RANDOM | 35.383 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
1.21 | -0.13 | -1.08 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 42.061 |
r_dihedral_angle_4_deg | 22.026 |
r_dihedral_angle_3_deg | 18.479 |
r_dihedral_angle_1_deg | 6.973 |
r_scangle_it | 4.478 |
r_scbond_it | 3.065 |
r_mcangle_it | 1.986 |
r_angle_refined_deg | 1.857 |
r_mcbond_it | 1.25 |
r_nbtor_refined | 0.303 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4923 |
Nucleic Acid Atoms | |
Solvent Atoms | 193 |
Heterogen Atoms | 117 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |
RESOLVE | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |