X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1EKO 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION2910,1 M Tris-HCl, pH, 6.0, 22% m/v PEG4000 and 0,1 M sodium acetate
Crystal Properties
Matthews coefficientSolvent content
2.0239.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.22α = 90
b = 55.978β = 90
c = 103.258γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2008-04-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE W01B-MX21.458LNLSW01B-MX2

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
11.4543.69198.80.0730.07313.85.249709
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)
11.451.5397.10.4121.84.9

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 REPLACEMENTTHROUGHOUT1EKO1.4537.9547126251798.590.13390.13170.176RANDOM22.345
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]
0.27-0.390.12
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.687
r_sphericity_free30.573
r_dihedral_angle_4_deg15.19
r_rigid_bond_restr12.382
r_dihedral_angle_3_deg11.998
r_sphericity_bonded10.329
r_dihedral_angle_1_deg5.533
r_mcangle_it2.663
r_mcbond_it2.303
r_mcbond_other2.242
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.687
r_sphericity_free30.573
r_dihedral_angle_4_deg15.19
r_rigid_bond_restr12.382
r_dihedral_angle_3_deg11.998
r_sphericity_bonded10.329
r_dihedral_angle_1_deg5.533
r_mcangle_it2.663
r_mcbond_it2.303
r_mcbond_other2.242
r_angle_refined_deg1.682
r_angle_other_deg1.284
r_chiral_restr0.109
r_bond_refined_d0.017
r_gen_planes_refined0.009
r_gen_planes_other0.005
r_bond_other_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2044
Nucleic Acid Atoms
Solvent Atoms307
Heterogen Atoms

Software

Software
Software NamePurpose
SCALAdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction