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X-RAY DIFFRACTION
Materials and Methods page
1GT0
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details 18% PEG3350, 50 MM HEPES PH 7.0, 20 MM MGCL2, 5% GLYCEROL
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 72.8 α = 90
    b = 72.8 β = 90
    c = 172.4 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 2001-06-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type EMBL/DESY, HAMBURG BEAMLINE BW7B
    Wavelength 0.8460
    Site EMBL/DESY, HAMBURG
    Beamline BW7B
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.6
    Resolution(Low) 30
    Number Reflections(Observed) 16619
    Percent Possible(Observed) 98.3
    R Merge I(Observed) 0.047
    B(Isotropic) From Wilson Plot 80.3
    Redundancy 5.2
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.69
    Percent Possible(All) 96.5
    R Merge I(Observed) 0.35
    Mean I Over Sigma(Observed) 2.5
    R-Sym I(Observed) 0.35
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 2.6
    Resolution(Low) 30.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 16612
    Number of Reflections(R-Free) 836
    Percent Reflections(Observed) 98.2
    R-Factor(Observed) 0.232
    R-Work 0.232
    R-Free 0.285
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 58.3
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.66
    Number of Reflections(R-Free) 42
    Number of Reflections(R-Work) 858
    R-Factor(R-Work) 0.3935
    R-Factor(R-Free) 0.4005
    R-Free Error 0.061
    Percent Reflections(Observed) 5.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_bond_d 0.01
    c_angle_deg 1.8
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1765
    Nucleic Acid Atoms 978
    Heterogen Atoms 0
    Solvent Atoms 90
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SHELX, SHARP
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building SHARP
    model building SHELX