3N0R

Structure of the PhyR stress response regulator at 1.25 Angstrom resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.628770 mM sodium acetate (pH 4.6), 20% glycerol (w/v), 16% PEG 600, 40 mM potassium phosphate , VAPOR DIFFUSION, HANGING DROP, temperature 287K
Crystal Properties
Matthews coefficientSolvent content
2.2244.67

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.182α = 90
b = 61.198β = 108.73
c = 53.025γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2010-04-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D1.078APS21-ID-D

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
11.2528.698.80.0656.85.4742757338411
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)
1.251.2792.30.452.23.3

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTan unpublished model of Caulobacter crescentus PhyR solved by SAD to 1.6 Angstrom resolution.1.25128.380.187427570767200093.90.15440.15380.1735
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]
7.78170.1426-5.0426-2.7391
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.71
f_angle_d1.08
f_chiral_restr0.074
f_bond_d0.005
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1973
Nucleic Acid Atoms
Solvent Atoms281
Heterogen Atoms6

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling