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X-RAY DIFFRACTION
Materials and Methods page
4IDX
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 8.5
    Temperature 293.0
    Details 0.075M Tris, 1.5M ammonium sulphate, 25% glycerol, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 159.2 α = 90
    b = 159.2 β = 90
    c = 157.8 γ = 90
     
    Space Group
    Space Group Name:    I 4 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 0
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type ADSC QUANTUM 4r
    Collection Date 2012-06-20
     
    Diffraction Radiation
    Monochromator Graphite
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type DIAMOND BEAMLINE I24
    Wavelength List 0.9919
    Site DIAMOND
    Beamline I24
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.08
    Observed Criterion Sigma(I) 2.5
    Resolution(High) 3.21
    Resolution(Low) 49.94
    Number Reflections(All) 16505
    Number Reflections(Observed) 16400
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.073
    B(Isotropic) From Wilson Plot 60.0
    Redundancy 5.6
     
    High Resolution Shell Details
    Resolution(High) 3.21
    Resolution(Low) 49.94
    Percent Possible(All) 99.7
    R Merge I(Observed) 0.073
    Mean I Over Sigma(Observed) 16.4
    R-Sym I(Observed) 0.073
    Redundancy 5.6
    Number Unique Reflections(All) 16505
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.21
    Resolution(Low) 49.94
    Number of Reflections(all) 16500
    Number of Reflections(Observed) 16050
    Number of Reflections(R-Free) 853
    Percent Reflections(Observed) 99.78
    R-Factor(Observed) 0.32411
    R-Work 0.32142
    R-Free 0.37382
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 92.028
    Anisotropic B[1][1] -4.56
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -4.56
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 9.12
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.21
    Shell Resolution(Low) 3.291
    Number of Reflections(Observed) 1080
    Number of Reflections(R-Free) 62
    Number of Reflections(R-Work) 1143
    R-Factor(R-Work) 0.314
    R-Factor(R-Free) 0.337
    R-Free Error 0.05
    Percent Reflections(Observed) 97.89
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.007
    r_chiral_restr 0.122
    r_dihedral_angle_4_deg 14.331
    r_dihedral_angle_3_deg 22.373
    r_dihedral_angle_2_deg 36.192
    r_dihedral_angle_1_deg 11.817
    r_angle_refined_deg 1.707
    r_bond_refined_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.02
    Luzzati Sigma A(Observed) 0.2
    Luzzati Resolution Cutoff(Low) 4.0
    Luzzati ESD(R-Free Set) 0.03
    Luzzati Sigma A(R-Free Set) 0.4
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 5055
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 17
     
     
  •   Software and Computing Hide
    Computing
    Data Collection EDNA
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASES
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building PHASES
    data collection EDNA