X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52955-20 mg/mL protein in 25mM HEPES/NaOH pH7.5, 150mM NaCl, 50mM BME mixed 1:1 with reservoir 0.1M HEPES/NaOH pH7.5, 30% PEG550MME, 50mM MgCl2
Crystal Properties
Matthews coefficientSolvent content
2.6553.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 135.881α = 90
b = 135.881β = 90
c = 234.971γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD1970-01-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA0SLSX10SA

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
12.443.64940.090.098.553.1359442
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)
12.42.564.90.4680.4681.211.19

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-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTinhouse model2.443.6454191281190.110.19640.1930.2623RANDOM47.346
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]
-0.1-0.05-0.10.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.05
r_dihedral_angle_3_deg17.93
r_dihedral_angle_4_deg17.785
r_dihedral_angle_1_deg6.745
r_mcangle_it5.902
r_mcbond_it4.149
r_mcbond_other4.148
r_angle_refined_deg1.742
r_angle_other_deg1.356
r_chiral_restr0.08
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.05
r_dihedral_angle_3_deg17.93
r_dihedral_angle_4_deg17.785
r_dihedral_angle_1_deg6.745
r_mcangle_it5.902
r_mcbond_it4.149
r_mcbond_other4.148
r_angle_refined_deg1.742
r_angle_other_deg1.356
r_chiral_restr0.08
r_bond_refined_d0.011
r_gen_planes_refined0.008
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10175
Nucleic Acid Atoms
Solvent Atoms252
Heterogen Atoms104

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
DENZOdata reduction
SADABSdata scaling
PHASERphasing