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X-RAY DIFFRACTION
Materials and Methods page
4AK4
  •   Crystallization Hide
    Crystallization Experiments
    Details 40% PEG 600, 100 MM PHOSPHATE/CITRATE BUFFER PH 4.2
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 76.17 α = 90
    b = 121.73 β = 90.61
    c = 77.74 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (QUANTUM 315)
    Type ADSC
    Collection Date 2008-12-08
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type DIAMOND BEAMLINE I02
    Wavelength 0.9795
    Site DIAMOND
    Beamline I02
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.65
    Resolution(Low) 122.17
    Number Reflections(Observed) 169730
    Percent Possible(Observed) 96.5
    R Merge I(Observed) 0.11
    B(Isotropic) From Wilson Plot 22.22
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 1.65
    Resolution(Low) 1.74
    Percent Possible(All) 80.2
    R Merge I(Observed) 0.47
    Mean I Over Sigma(Observed) 1.9
    Redundancy 2.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.65
    Resolution(Low) 24.16
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 163499
    Number of Reflections(R-Free) 8207
    Percent Reflections(Observed) 96.36
    R-Factor(Observed) 0.1661
    R-Work 0.1648
    R-Free 0.1898
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 26.33
    Anisotropic B[1][1] 2.359
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.2034
    Anisotropic B[2][2] -1.7002
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.6588
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.65
    Shell Resolution(Low) 1.69
    Number of Reflections(R-Free) 429
    Number of Reflections(R-Work) 8888
    R-Factor(R-Work) 0.2157
    R-Factor(R-Free) 0.2581
    Percent Reflections(Observed) 96.36
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    t_bond_d 0.009
    t_angle_deg 1.01
    t_omega_torsion 3.97
    t_other_torsion 15.2
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 9221
    Nucleic Acid Atoms 0
    Heterogen Atoms 46
    Solvent Atoms 972
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement BUSTER 2.10.0
     
    Software
    refinement BUSTER version: 2.10.0
    model building PHASER