3QFI

X-ray crystal structure of transcriptional regulator (EF0465) from Enterococcus faecalis, Northeast Structural Genomics Consortium Target EfR190


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1microbatch under oil method7.5277Protein solution: 10 mM Tris (pH 7.5), 100 mM sodium chloride, and 5 mM DTT, Precipitation solution: 0.1M HEPES (pH 7.5), 40% PEG400, and 0.1M calcium acetate, microbatch under oil method, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
1.935.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 47.214α = 90
b = 54.543β = 90
c = 99.553γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mmmirrors2010-06-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X4C0.97877NSLSX4C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
12.73085.40.0740.07814.884.3739563160.30.315.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.72.865.30.1090.1254.32.3465

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3OKZ2.7119.872273716045665820.2050.2010.2010.264RANDOM24.5
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]
-2.61-6.078.68
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.9
c_angle_deg1.1
c_improper_angle_d0.78
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2057
Nucleic Acid Atoms
Solvent Atoms38
Heterogen Atoms

Software

Software
Software NamePurpose
ADSCdata collection
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling