X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP295One microliter of the protein complex in 20 mM Tris-HCl, pH 7.6, 50 mM NaCl and 5 mM dithiothreitol was mixed with on microliter of 0.2 M ammonium citrate dibasic and 20% (W/V) PEG 3350
Crystal Properties
Matthews coefficientSolvent content
4.8974.86

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 103.06α = 90
b = 103.06β = 90
c = 131.81γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210r2020-10-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM0.9786APS19-BM

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
13.3947.9999.80.09615.24371026477.87
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)
13.393.521.27

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 REPLACEMENTFREE R-VALUE6F8G3.447.991.410264102699.890.2130.20980.241489.27
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d1.8538
f_angle_d0.4792
f_chiral_restr0.0389
f_plane_restr0.0029
f_bond_d0.0019
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2297
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms10

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-3000data collection
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing