4J91
Diamond-shaped octameric structure of KtrA with ADP bound
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 293 | 0.1M citrate pH5.6, 14.5% polyethylene glycol 2000, 0.2M ammonium sulphate, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.8 | 56.05 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 147.932 | α = 90 |
b = 84.63 | β = 128.37 |
c = 113.675 | γ = 90 |
Symmetry | |
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Space Group | C 1 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 | ADSC QUANTUM 210 | 2011-06-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | 0.933400 | ESRF | ID14-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.781 | 89.123 | 99.7 | 0.053 | 21.6 | 4.9 | 27727 | 27727 | 1 | 0.9 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.78 | 2.93 | 99.1 | 0.827 | 0.827 | 0.925 | 0.41 | 0.9 | 4.8 | 4004 |
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 | 2HMT, 2HMU, 2HMV | 2.93 | 89.12 | 23792 | 23792 | 1193 | 99.68 | 0.253 | 0.253 | 0.2516 | 0.2784 | RANDOM | 96.577 |
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] | |
-2.85 | 0.5 | -1.34 | 4.8 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.271 |
r_dihedral_angle_4_deg | 22.248 |
r_dihedral_angle_3_deg | 17.811 |
r_dihedral_angle_1_deg | 5.876 |
r_angle_refined_deg | 1.352 |
r_chiral_restr | 0.099 |
r_bond_refined_d | 0.011 |
r_gen_planes_refined | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6626 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 108 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
PHASER | phasing |
DM | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
DNA | data collection |
XSCALE | data scaling |