3BAF
Crystal structure of shikimate kinase from Mycobacterium tuberculosis in complex with AMP-PNP
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1ZYU | PDB ENTRY 1ZYU |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8 | 293 | PEG, pH8, VAPOR DIFFUSION, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.43 | 64.15 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 67.297 | α = 90 |
b = 67.297 | β = 90 |
c = 97.692 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 1 |
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 | MAR CCD 165 mm | 2007-04-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE D03B-MX1 | 1.427 | LNLS | D03B-MX1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.25 | 37.42 | 99.8 | 0.19 | 0.13 | 25.8 | 3.5 | 12600 | 2 | 2 | 35.1 |
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) | |||||||||||
2.25 | 2.37 | 100 | 0.19 | 3.4 | 1816 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Number Reflections (All) | 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 | PDB ENTRY 1ZYU | 2.25 | 37.42 | 2 | 12580 | 11983 | 597 | 99.72 | 0.21009 | 0.20651 | 0.28397 | RANDOM | 34.889 |
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] | |
0.82 | 0.41 | 0.82 | -1.23 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.229 |
r_dihedral_angle_4_deg | 20.338 |
r_dihedral_angle_3_deg | 18.056 |
r_dihedral_angle_1_deg | 7.849 |
r_scangle_it | 5.828 |
r_scbond_it | 4.041 |
r_angle_refined_deg | 3.034 |
r_mcbond_it | 2.351 |
r_mcangle_it | 2.348 |
r_symmetry_hbond_refined | 0.526 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1226 |
Nucleic Acid Atoms | |
Solvent Atoms | 136 |
Heterogen Atoms | 43 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MAR345dtb | data collection |
MOSFLM | data reduction |
SCALA | data scaling |
AMoRE | phasing |