X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7293The complex crystallized from a buffer containing 20 mM HEPES, pH 7, 2 M KCl and 0.02% azide. Crystals grown with S1 (DNA/hsRosR ratio = 1.46) appeared after 3 days in wells containing 2.77 M (NH4)2SO4, 50 mM MnCl2 and 0.02% azide.
Crystal Properties
Matthews coefficientSolvent content
3.8367.88

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.824α = 96.24
b = 84.304β = 93.75
c = 89.372γ = 106.98
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2017-09-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID290.976ESRFID29

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rpim I (All)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.8844.54890.90.02911.73.557497
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.882.124

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTThe 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 S1 sequence.244.5481.9655939278164.040.20890.20750.23566.5378
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3659
Nucleic Acid Atoms2296
Solvent Atoms102
Heterogen Atoms106

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
Aimlessdata scaling
PHASERphasing
STARANISOdata scaling