3K2N
The crystal structure of sigma-54-dependent transcriptional regulator domain from Chlorobium Tepidum TLS
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 298 | 0.2M Na acetate, 20% PEG3k, 0.1M Na-Hepes PH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.35 | 47.62 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.121 | α = 90 |
b = 81.25 | β = 90 |
c = 83.522 | 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 | CCD | SBC-2 | mirrors | 2007-12-18 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.9792 | APS | 19-BM |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.5 | 50 | 99.6 | 0.103 | 4.875 | 8.9 | 17064 | 16911 |
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) | |||||||||||
2.58 | 2.66 | 99.6 | 0.297 | 6.9 | 9.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MAD | 2.5 | 45.615 | 1.33 | 11428 | 13494 | 678 | 99.83 | 0.2009 | 0.1967 | 0.2803 | 45.247 |
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] | |
-1.76 | 5.3 | -3.55 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 20.249 |
f_angle_d | 1.173 |
f_chiral_restr | 0.078 |
f_bond_d | 0.009 |
f_plane_restr | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2784 |
Nucleic Acid Atoms | |
Solvent Atoms | 37 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
MLPHARE | phasing |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
HKL-3000 | data collection |