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X-RAY DIFFRACTION
Materials and Methods page
4IQV
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 6.5
    Temperature 293.0
    Details 22% PEG4000, 200 mM ammonium formate, 100 mM MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 46.86 α = 90
    b = 84.54 β = 90
    c = 122.95 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector PIXEL
    Type PSI PILATUS 6M
    Details Kirkpatrick-Baez pair of bi-morph mirrors
    Collection Date 2012-01-30
     
    Diffraction Radiation
    Monochromator channel cut cryogenically cooled crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SOLEIL BEAMLINE PROXIMA 1
    Wavelength List 0.918400
    Site SOLEIL
    Beamline PROXIMA 1
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.9
    Resolution(Low) 49.7
    Number Reflections(All) 11375
    Number Reflections(Observed) 11303
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.116
    B(Isotropic) From Wilson Plot 73.85
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.06
    Percent Possible(All) 99.7
    R Merge I(Observed) 0.616
    Mean I Over Sigma(Observed) 2.2
    Redundancy 3.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.9
    Resolution(Low) 22.67
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 11278
    Number of Reflections(R-Free) 538
    Percent Reflections(Observed) 99.42
    R-Factor(Observed) 0.1824
    R-Work 0.1793
    R-Free 0.245
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 53.12
    Anisotropic B[1][1] 8.1549
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 15.7528
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -23.9077
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.9
    Shell Resolution(Low) 3.18
    Number of Reflections(R-Free) 127
    Number of Reflections(R-Work) 2513
    R-Factor(R-Work) 0.2126
    R-Factor(R-Free) 0.303
    Percent Reflections(Observed) 99.42
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    t_bond_d 0.01
    t_angle_deg 0.98
    t_omega_torsion 2.78
    t_other_torsion 2.98
     
    Coordinate Error
    Luzzati ESD(Observed) 0.339
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2840
    Nucleic Acid Atoms 40
    Heterogen Atoms 25
    Solvent Atoms 184
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement BUSTER 2.11.2
     
    Software
    refinement BUSTER version: 2.11.2
    model building PHASER
    data collection ADSC version: Quantum