8B4C | pdb_00008b4c

ToxR bacterial transcriptional regulator bound to 20 bp toxT promoter DNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29330% PEG 4000, 0.1 M sodium acetate pH 4, 0.15 M ammonium acetate
Crystal Properties
Matthews coefficientSolvent content
2.5251.19

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36.5α = 90
b = 54.209β = 92.58
c = 63.657γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2013-10-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALBA BEAMLINE XALOC0.9792ALBAXALOC

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
12.0763.5999.820.10516.327.814625
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.072.141.016

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPhoB DNA binding domain (1GXP)2.0763.591462573499.770.184940.18230.190.241070.25RANDOM36.446
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]
-0.82-0.68-2.293.15
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.079
r_dihedral_angle_4_deg21.186
r_dihedral_angle_3_deg13.839
r_long_range_B_refined7.882
r_long_range_B_other7.843
r_dihedral_angle_1_deg6.809
r_scangle_other5.826
r_scbond_it3.938
r_scbond_other3.936
r_mcangle_it3.553
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms886
Nucleic Acid Atoms814
Solvent Atoms177
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing