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X-RAY DIFFRACTION
Materials and Methods page
2BKZ
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details 20% AMMONIUM SULPHATE, 1M KCL, 40MM HEPES PH 7
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 183.86 α = 90
    b = 183.86 β = 90
    c = 214.57 γ = 120
     
    Space Group
    Space Group Name:    P 62 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2001-02-22
     
    Diffraction Radiation
    Monochromator DIAMOND (111), GE(220)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-1
    Wavelength 0.934
    Site ESRF
    Beamline ID14-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.6
    Resolution(Low) 30
    Number Reflections(Observed) 66033
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.08
    B(Isotropic) From Wilson Plot 38.5
    Redundancy 4.0
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.69
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.53
    Mean I Over Sigma(Observed) 3.0
    Redundancy 4.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 2.6
    Resolution(Low) 29.8
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 65870
    Number of Reflections(R-Free) 1319
    R-Work 0.23
    R-Free 0.259
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model BFACTOR_MODEL
    Mean Isotropic B Value 51.1
    Anisotropic B[1][1] 5.87
    Anisotropic B[1][2] 9.25
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 5.87
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -11.74
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.76
    R-Factor(R-Work) 0.307
    R-Factor(R-Free) 0.342
    R-Free Error 0.023
    Percent Reflections(Observed) 99.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.83
    c_bond_d 0.006
    c_angle_deg 1.3
    c_dihedral_angle_d 20.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.36
    Luzzati Sigma A(Observed) 0.39
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.42
    Luzzati Sigma A(R-Free Set) 0.41
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8963
    Nucleic Acid Atoms 0
    Heterogen Atoms 60
    Solvent Atoms 272
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement CNX 2002
     
    Software
    refinement CNX version: 2002