6QUA
The complex structure of hsRosR-SG (vng0258/RosR-SG)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 293.15 | The complex crystallized from a buffer containing 20 mM HEPES, pH 7, 2 M KCl and 0.02% azide, DNA/hsRosR ratio = 1.83. 2.96 M (NH4)2SO4, 30 mM MnCl2 and 0.02% azide. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.03 | 69.45 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 47.279 | α = 81.91 |
b = 84.665 | β = 87.13 |
c = 90.4 | γ = 75.61 |
Symmetry | |
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Space Group | P 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 | PIXEL | DECTRIS PILATUS3 6M | 2017-09-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.976 | ESRF | ID29 |
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 | 2.56 | 45.79 | 84.4 | 0.089 | 7.4 | 3.3 | 22780 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.56 | 2.839 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | FREE R-VALUE | The starting model for molecular replacement was VNG0258H/RosR (from KCl; PDB code 6FDH) and a DNA model derived from Mycobacterium tuberculosis MosR (PDB code 4FX4) but with the SG sequence. | 2.681 | 45.79 | 1.96 | 21032 | 1082 | 55.72 | 0.2407 | 0.2381 | 0.2893 |
Temperature Factor Modeling | ||||||
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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 | 23.36 |
f_angle_d | 0.634 |
f_chiral_restr | 0.034 |
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 | 3644 |
Nucleic Acid Atoms | 2296 |
Solvent Atoms | 52 |
Heterogen Atoms | 69 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
Aimless | data scaling |
STARANISO | data scaling |
PHASER | phasing |