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X-RAY DIFFRACTION
Materials and Methods page
3F55
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 291.0
    Details 0.2M Trisodium Citrate dihydrate, 0.1M Sodium Cacodylate, 30%(w/v) 2-propanol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 150.06 α = 90
    b = 150.06 β = 90
    c = 77.36 γ = 90
     
    Space Group
    Space Group Name:    P 41
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 210
    Details MONOCHROMATOR
    Collection Date 2007-03-27
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X6A
    Wavelength List 0.977
    Site NSLS
    Beamline X6A
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.8
    Resolution(Low) 47.45
    Number Reflections(All) 42901
    Number Reflections(Observed) 35222
    Percent Possible(Observed) 82.1
    R Merge I(Observed) 0.085
    B(Isotropic) From Wilson Plot 61.76
    Redundancy 4.7
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.95
    Percent Possible(All) 81.6
    R Merge I(Observed) 0.356
    Mean I Over Sigma(Observed) 3.9
    Redundancy 4.7
    Number Unique Reflections(All) 6217
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 47.45
    Number of Reflections(all) 42707
    Number of Reflections(Observed) 35191
    Number of Reflections(R-Free) 1786
    Percent Reflections(Observed) 82.4
    R-Work 0.218
    R-Free 0.255
    R-Free Selection Details Random
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Anisotropic B[1][1] -1.98
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.98
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 3.96
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.98
    Number of Reflections(Observed) 5460
    Number of Reflections(R-Free) 291
    R-Factor(R-Work) 0.33
    R-Factor(R-Free) 0.38
    R-Free Error 0.022
    Percent Reflections(Observed) 81.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.4
    c_bond_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.36
    Luzzati Sigma A(Observed) 0.52
    Luzzati Resolution Cutoff(Low) 5.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 9988
    Nucleic Acid Atoms 0
    Heterogen Atoms 143
    Solvent Atoms 95
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building PHASER
    data collection HKL-2000