3I7Q
Dihydrodipicolinate synthase mutant - K161A
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1YXC | PDB entry 1yxc |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 10 | 276 | 1.8M POTASSIUM PHOSPHATE, PH 10, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 276K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.73 | 67.02 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 121.044 | α = 90 |
b = 121.044 | β = 90 |
c = 110.501 | γ = 120 |
Symmetry | |
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Space Group | P 31 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 | 110 | IMAGE PLATE | RIGAKU RAXIS IV | 2007-10-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 1.5418 |
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 | 1.99 | 36.84 | 99.4 | 0.91 | 7.1 | 4.23 | 63475 | 63475 | 2 | 2 |
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 | 1.99 | 2.07 | 96.7 | 0.453 | 2.3 | 4.02 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 1yxc | 2 | 36.84 | 60240 | 60240 | 3226 | 99.43 | 0.20555 | 0.20386 | 0.23674 | RANDOM | 29.134 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.005 |
r_dihedral_angle_4_deg | 15.628 |
r_dihedral_angle_3_deg | 14.245 |
r_dihedral_angle_1_deg | 6.01 |
r_scangle_it | 3.34 |
r_scbond_it | 1.987 |
r_angle_refined_deg | 1.349 |
r_mcangle_it | 1.154 |
r_mcbond_it | 0.601 |
r_chiral_restr | 0.092 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4340 |
Nucleic Acid Atoms | |
Solvent Atoms | 320 |
Heterogen Atoms | 39 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
AMoRE | phasing |
REFMAC | refinement |
d*TREK | data reduction |
d*TREK | data scaling |