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X-RAY DIFFRACTION
Materials and Methods page
1BK6
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details pH 7.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 161.12 α = 90
    b = 75.75 β = 90
    c = 84.46 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 CCD
    Type BRANDEIS
    Collection Date 1997-12
     
    Diffraction Radiation
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE A1
    Wavelength 0.9
    Site CHESS
    Beamline A1
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.8
    Resolution(Low) 29.1
    Number Reflections(Observed) 22717
    Percent Possible(Observed) 86.9
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.9
    Percent Possible(All) 82.2
    Mean I Over Sigma(Observed) 9.9
    R-Sym I(Observed) 0.188
    Redundancy 2.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIFFERENCE FOURIER
    reflnsShellList 2.8
    Resolution(Low) 29.1
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 22717
    Percent Reflections(Observed) 86.8
    R-Factor(Observed) 0.256
    R-Work 0.256
    R-Free 0.307
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Anisotropic B[1][1] 15.043
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -19.147
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 4.105
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.85
    Number of Reflections(R-Work) 1072
    R-Factor(R-Work) 0.296
    R-Factor(R-Free) 0.353
    Percent Reflections(Observed) 82.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.737
    c_bond_d 0.008
    c_angle_deg 1.45
    c_dihedral_angle_d 16.87
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6488
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 12
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS 0.2
    Structure Refinement CNS 0.2
     
    Software
    refinement CNS version: 0.2
    model building CNS version: 0.2