3BK9
H55A mutant of tryptophan 2,3-dioxygenase from Xanthomonas campestris
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2NW7 | PDB ENTRY 2nw7 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.3 | 293 | 100mM Mes (pH 6.3), 10-12% (wt/vol) PEG 4000, 60mM MnCl2, 10mM sodium dithionite, 2mM L-Trp, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.63 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 78.222 | α = 90 |
b = 117.606 | β = 95.73 |
c = 139.283 | 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 | MAR CCD 165 mm | 2007-01-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX10.1 | 1.381 | SRS | PX10.1 |
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 | 2.15 | 59.66 | 96.9 | 0.1 | 9.5 | 2.4 | 312593 | 131764 |
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) | |||||||||||
2.15 | 2.27 | 91.7 | 0.474 | 2.5 | 2.3 | 18137 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | PDB ENTRY 2nw7 | 2.15 | 54.13 | 125104 | 6624 | 96.73 | 0.2047 | 0.20047 | 0.28457 | RANDOM | 23.189 |
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] | |
1.37 | 0.17 | -1.05 | -0.29 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.948 |
r_dihedral_angle_4_deg | 23.088 |
r_dihedral_angle_3_deg | 19.023 |
r_dihedral_angle_1_deg | 7.554 |
r_scangle_it | 5.064 |
r_scbond_it | 3.531 |
r_angle_refined_deg | 2.346 |
r_mcangle_it | 1.994 |
r_mcbond_it | 1.315 |
r_symmetry_hbond_refined | 0.443 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 17638 |
Nucleic Acid Atoms | |
Solvent Atoms | 1016 |
Heterogen Atoms | 419 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
AMoRE | phasing |