X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP92931.5 UL OF 0.3 MM PROTEIN IN 5 MM BISTRIS, PH 6.5, 5 MM DTT WERE ADDED TO 1.5 UL OF 2.0 M SODIUM FORMATE, 15% (W/V) PEG 6000. THE MIXTURE WAS INCUBATED AT 20 DEGREE CENTIGRADE IN A HANGING DROP SETUP. CRYSTALS GREW IN A FEW DAYS AND WERE CRYO-PROTECTED BY SHORT SOAKING IN 2.0 M SODIUM FORMATE, 15% (W/V) PEG 6000, 25% (V/V) GLYCEROL.
Crystal Properties
Matthews coefficientSolvent content
1.935.37

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 35.958α = 106
b = 53.395β = 93.47
c = 70.859γ = 109.8
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMIRRORS2012-07-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.2BESSY14.2

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
12.145092.80.17.42.0324125221.93
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)
12.142.2780.80.382.342

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 REPLACEMENT2.324.0621.991986699395.240.20240.20010.245630.3
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]
-0.8435-1.93-3.643-5.5569-2.05276.4004
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.29
f_angle_d1.009
f_chiral_restr0.056
f_bond_d0.005
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4145
Nucleic Acid Atoms
Solvent Atoms205
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing