1XD7
Crystal structure of a putative DNA binding protein
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 298 | PEG 4000, Ammonium sulfate, sodium acetate, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 46 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.892 | α = 90 |
b = 49.362 | β = 121.61 |
c = 51.51 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | mirrors | 2004-06-28 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | 0.9791, 0.9793, 0.9400, 1.100 | NSLS | X29A |
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 | 2.3 | 50 | 86.3 | 0.055 | 16.6 | 3.5 | 5553 | 5553 | 26.7 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.3 | 2.38 | 39.8 | 0.3 | 1.9 | 247 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | MAD | THROUGHOUT | 2.3 | 37.06 | 5294 | 162 | 83.2 | 0.26 | 0.26 | 0.285 | RANDOM | 50.8 |
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] | |
-14.42 | -2.98 | 16.87 | -2.45 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 19.2 |
c_scangle_it | 3.1 |
c_mcangle_it | 2.43 |
c_scbond_it | 2.01 |
c_mcbond_it | 1.41 |
c_angle_deg | 1.4 |
c_improper_angle_d | 0.95 |
c_bond_d | 0.01 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 883 |
Nucleic Acid Atoms | |
Solvent Atoms | 6 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
CBASS | data collection |
HKL-2000 | data scaling |
SOLVE | phasing |
SHARP | phasing |