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X-RAY DIFFRACTION
Materials and Methods page
1QQC
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8.6
    Temperature 293.0
    Details PEG 400, PEG 4000, AMMONIUM SULFATE, MAGNESIUM SULFATE, TRIS, pH 8.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 66.1 α = 90
    b = 107.6 β = 90
    c = 155.9 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 90
     
    Diffraction Detector
    Detector CCD
    Type OTHER
    Collection Date 1997-12-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE A1
    Wavelength 0.908
    Site CHESS
    Beamline A1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Resolution(High) 2.6
    Resolution(Low) 50
    Number Reflections(All) 34977
    Number Reflections(Observed) 31591
    Percent Possible(Observed) 90.3
    R Merge I(Observed) 0.052
    B(Isotropic) From Wilson Plot 47.08
    Redundancy 5.0
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 50.0
    Percent Possible(All) 57.8
    R Merge I(Observed) 0.156
    Redundancy 2.8
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.6
    Resolution(Low) 50.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(all) 34977
    Number of Reflections(Observed) 31591
    Number of Reflections(R-Free) 3161
    Percent Reflections(Observed) 90.3
    R-Factor(All) 0.2955
    R-Factor(Observed) 0.2955
    R-Work 0.2442
    R-Free 0.2955
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_bond_d 0.008273
    c_angle_d 1.61591
    c_angle_deg 1.61591
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6029
    Nucleic Acid Atoms 0
    Heterogen Atoms 22
    Solvent Atoms 116
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SHARP
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building SHARP
    data reduction SCALEPACK
    data collection DENZO