X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP288Mixed 1:1 with 40% AmSO4, 200 mM Imidizole/Malate Buffer pH 4.2,100 mM MgCl2
2VAPOR DIFFUSION, HANGING DROP288Mixed 1:1 wit 24% AmSO4, 200 mM Imidizole/Malate Buffer pH 4.2, 250 mM MgCl2, 0.5 mM SmSO4, 10 mM DTT
3VAPOR DIFFUSION, HANGING DROP288Mixed 1:1 with 32% AmSO4, 10 mM DTT, 200 mM Imidizole/Malate Buffer pH 4.2, and 50 mM MgCl2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.438α = 90
b = 173.403β = 90
c = 101.608γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152010-07-08MSINGLE WAVELENGTH
22x-ray100CCDMARMOSAIC 325 mm CCD2010-07-24MSINGLE WAVELENGTH
33x-ray100CCDMARMOSAIC 325 mm CCD2010-07-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 12.3.11.115953ALS12.3.1
2SYNCHROTRONSSRL BEAMLINE BL11-11.1SSRLBL11-1
3SYNCHROTRONSSRL BEAMLINE BL11-11.1SSRLBL11-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
11.9955092.20.1220.1250.02911.613.43600342.97
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.0366.50.7250.7970.3190.8144.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3q8k1.99543.83332323160282.550.22110.21980.244480.6006
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_d9.051
f_angle_d1.249
f_chiral_restr0.062
f_bond_d0.013
f_plane_restr0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2672
Nucleic Acid Atoms
Solvent Atoms119
Heterogen Atoms75

Software

Software
Software NamePurpose
HKL-2000data reduction
SCALEPACKdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction