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
2.6653.83

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 135.956α = 90
b = 135.956β = 90
c = 235.68γ = 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
12.2539.2593.10.040.049.121.3871769
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)
12.252.3568.80.5360.5360.830.82

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 model2.339.2867356352698.20.16710.16420.224RANDOM45.279
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]
-0.4-0.2-0.41.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.899
r_dihedral_angle_4_deg21.579
r_dihedral_angle_3_deg19.245
r_dihedral_angle_1_deg5.821
r_mcangle_it5.383
r_mcbond_it3.986
r_mcbond_other3.98
r_angle_refined_deg1.686
r_angle_other_deg1.401
r_chiral_restr0.086
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.899
r_dihedral_angle_4_deg21.579
r_dihedral_angle_3_deg19.245
r_dihedral_angle_1_deg5.821
r_mcangle_it5.383
r_mcbond_it3.986
r_mcbond_other3.98
r_angle_refined_deg1.686
r_angle_other_deg1.401
r_chiral_restr0.086
r_bond_refined_d0.011
r_gen_planes_refined0.009
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10211
Nucleic Acid Atoms
Solvent Atoms329
Heterogen Atoms132

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
DENZOdata reduction
SADABSdata scaling
PHASERphasing