4GUG
1.62 Angstrom Crystal Structure of the Salmonella enterica 3-Dehydroquinate Dehydratase (aroD) E86A Mutant in Complex with Dehydroshikimate (Crystal Form #1)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3L2I | PDB ENTRY 3L2I |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.3 | 300 | protein: 7.5 mg/mL in 0.5 M sodium chloride, 0.01 M Tris-HCl, pH 8.3, 3 mM dehydroquinic acid, crystallization condition: 0.19 M sodium chloride, 17.9% w/v PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 300K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.98 | 37.76 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.703 | α = 90 |
b = 64.266 | β = 93.89 |
c = 81.045 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | MARMOSAIC 300 mm CCD | Bimorph K-B pair | 2012-04-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 0.97850 | APS | 21-ID-D |
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 | 1.62 | 30 | 97.2 | 0.054 | 21.2 | 3.8 | 57849 | 57849 | -3 |
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) | |||||||||||
1 | 1.62 | 1.65 | 95 | 0.525 | 2.6 | 3.6 | 2802 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 3L2I | 1.62 | 29.86 | 54916 | 54916 | 2908 | 97.02 | 0.17531 | 0.17531 | 0.17349 | 0.20827 | RANDOM | 36.376 |
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] | |
1.04 | 2.09 | 1.17 | -2.33 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.668 |
r_dihedral_angle_4_deg | 17.149 |
r_dihedral_angle_3_deg | 11.983 |
r_dihedral_angle_1_deg | 4.216 |
r_angle_refined_deg | 1.971 |
r_angle_other_deg | 0.862 |
r_chiral_restr | 0.12 |
r_bond_refined_d | 0.02 |
r_gen_planes_refined | 0.01 |
r_gen_planes_other | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3750 |
Nucleic Acid Atoms | |
Solvent Atoms | 359 |
Heterogen Atoms | 24 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |