4AXO

Structure of the Clostridium difficile EutQ protein


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.5PROTEIN IN 150 MM NACL, 50 MM TRIS.HCL PH 8.0 AT 8 MG/ML. HANGING DROP VAPOUR DIFFUSION, 1/1 UL DROPS OVER 1ML OF PRECIPITANT: 100 MM SODIUM ACETATE PH 4.5, 35 % (W/V) PEG 6000, 200 MM MGCL2. CRYPROTECTED WITH WELL SOLUTION SUPPLEMENTED WITH 20 % (V/V) PEG 300
Crystal Properties
Matthews coefficientSolvent content
2.1242.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 82.332α = 90
b = 66.578β = 117.54
c = 58.95γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDADSC CCDMIRRORS2011-07-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I04DiamondI04

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
1143.1597.90.0611.52.314830929.8
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)
111.0599.40.362.42

Refinement

Statistics
Diffraction IDStructure Solution 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 REPLACEMENTPDB ENTRY 2PYT136.5031.34148298743197.760.13630.13570.14714.74
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]
1.233-0.59281.9062-3.1392
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.433
f_angle_d1.601
f_chiral_restr0.098
f_bond_d0.014
f_plane_restr0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2100
Nucleic Acid Atoms
Solvent Atoms366
Heterogen Atoms1

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing