5UI5
Crystal structure of Aquifex aeolicus sigmaN bound to promoter DNA
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 295 | 50 mM sodium cacodylate, pH 6.5, 0.2 M KCl, 0.1 M Mg-acetate, 14%-18% Polyethylene glycol 8000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.99 | 58.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 99.921 | α = 90 |
b = 99.921 | β = 90 |
c = 123.3 | γ = 120 |
Symmetry | |
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Space Group | P 32 |
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 4 | 2007-08-15 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 100 | CCD | MAR CCD 165 mm | 2008-12-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 0.987 | APS | 24-ID-C |
2 | SYNCHROTRON | NSLS BEAMLINE X3A | 0.987 | NSLS | X3A |
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 | 3.4 | 15 | 99 | 0.14 | 20.42 | 13.1 | 18717 |
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 | 3.4 | 3.52 | 100 | 0.903 | 7.5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MIR | FREE R-VALUE | 3.4 | 14.99 | 1.96 | 18697 | 950 | 99.9 | 0.291 | 0.289 | 0.336 |
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 |
f_dihedral_angle_d | 24.915 |
f_angle_d | 0.907 |
f_chiral_restr | 0.09 |
f_bond_d | 0.004 |
f_plane_restr | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5258 |
Nucleic Acid Atoms | 2498 |
Solvent Atoms | 32 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
autoSHARP | phasing |