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X-RAY DIFFRACTION
Materials and Methods page
4DAS
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.5
    Temperature 298.0
    Details 3.0 M sodium formate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 210.95 α = 90
    b = 210.95 β = 90
    c = 323 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Details Toroidal Mirror
    Collection Date 2009-07-27
     
    Diffraction Radiation
    Monochromator Silicon (1 1 1) channel-cut
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-1
    Wavelength List 0.97625
    Site ESRF
    Beamline ID23-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.56
    Resolution(Low) 100.5
    Number Reflections(All) 259578
    Number Reflections(Observed) 259578
    Percent Possible(Observed) 98.0
    R Merge I(Observed) 0.115
    B(Isotropic) From Wilson Plot 42.386
    Redundancy 1.9
     
    High Resolution Shell Details
    Resolution(High) 2.56
    Resolution(Low) 2.7
    Percent Possible(All) 98.5
    R Merge I(Observed) 0.362
    Mean I Over Sigma(Observed) 1.7
    Redundancy 1.9
    Number Unique Reflections(All) 37996
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.56
    Resolution(Low) 79.51
    Cut-off Sigma(I) 2.0
    Number of Reflections(all) 246309
    Number of Reflections(Observed) 246309
    Number of Reflections(R-Free) 13045
    Percent Reflections(Observed) 97.48
    R-Factor(All) 0.18867
    R-Factor(Observed) 0.18867
    R-Work 0.186
    R-Free 0.23895
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 31.184
    Anisotropic B[1][1] -0.03
    Anisotropic B[1][2] -0.02
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.03
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.05
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.56
    Shell Resolution(Low) 2.626
    Number of Reflections(Observed) 18209
    Number of Reflections(R-Free) 966
    Number of Reflections(R-Work) 18209
    R-Factor(R-Work) 0.291
    R-Factor(R-Free) 0.351
    Percent Reflections(Observed) 98.19
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.655
    r_scbond_it 2.689
    r_mcangle_it 1.468
    r_mcbond_it 0.697
    r_gen_planes_refined 0.007
    r_chiral_restr 0.116
    r_dihedral_angle_4_deg 20.963
    r_dihedral_angle_3_deg 20.266
    r_dihedral_angle_2_deg 39.446
    r_dihedral_angle_1_deg 5.745
    r_angle_refined_deg 1.692
    r_bond_refined_d 0.017
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 34042
    Nucleic Acid Atoms 0
    Heterogen Atoms 268
    Solvent Atoms 1525
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building MOLREP