2O9A
The crystal structure of the E.coli IclR C-terminal fragment in complex with pyruvate.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 297 | 0.2M Potassium Acetate pH 7.0, 20% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 297K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.11 | 41.75 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.499 | α = 90 |
b = 81.434 | β = 90 |
c = 154.252 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | RIGAKU RAXIS IV | 2005-02-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.8 | 72.01 | 97.8 | 0.036 | 0.036 | 21.6 | 4.03 | 62028 | 62028 | -1 | -1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.8 | 1.86 | 85 | 0.161 | 5.9 | 5.9 | 2.42 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.8 | 72.01 | 62684 | 58834 | 3131 | 97.83 | 0.17607 | 0.17317 | 0.2316 | RANDOM | 21.57 |
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] | |
-0.12 | 0.2 | -0.08 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.494 |
r_dihedral_angle_4_deg | 17.544 |
r_dihedral_angle_3_deg | 15.663 |
r_dihedral_angle_1_deg | 6.751 |
r_scangle_it | 4.342 |
r_scbond_it | 2.81 |
r_angle_refined_deg | 1.806 |
r_mcangle_it | 1.757 |
r_mcbond_it | 1.183 |
r_nbtor_refined | 0.3 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5678 |
Nucleic Acid Atoms | |
Solvent Atoms | 835 |
Heterogen Atoms | 40 |
Software
Software | |
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Software Name | Purpose |
d*TREK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
CrystalClear | data collection |
d*TREK | data reduction |
MOLREP | phasing |