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X-RAY DIFFRACTION
Materials and Methods page
4GIF
  •   Crystallization Hide
    Crystallization Experiments
    Method EVAPORATION
    pH 7.5
    Temperature 293.0
    Details 18-20% PEG 8000, 100 mM HEPES, pH 7.5, 3.9 mM HEGA-9, EVAPORATION, temperature 293.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 44.53 α = 90
    b = 44.53 β = 90
    c = 62.31 γ = 120
     
    Space Group
    Space Group Name:    P 3 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MAR CCD 165 mm
    Collection Date 2005-02-05
     
    Diffraction Radiation
    Monochromator Si 111 CHANNEL
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4C
    Wavelength List 0.9792
    Site NSLS
    Beamline X4C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) -3.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.8
    Resolution(Low) 20
    Number Reflections(All) 1938
    Number Reflections(Observed) 1928
    Percent Possible(Observed) 99.1
    R Merge I(Observed) 0.055
    Redundancy 9.0
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.9
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.103
    Mean I Over Sigma(Observed) 25.2
    Redundancy 9.2
    Number Unique Reflections(All) 184
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 1928
    Number of Reflections(Observed) 1896
    Number of Reflections(R-Free) 177
    Percent Reflections(Observed) 97.4
    R-Factor(Observed) 0.24
    R-Work 0.235
    R-Free 0.286
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.9
    Number of Reflections(Observed) 177
    Number of Reflections(R-Free) 14
    R-Factor(R-Work) 0.267
    R-Factor(R-Free) 0.307
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.6
    c_bond_d 0.013
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 357
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 44
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASER
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building PHASER
    data collection ADSC version: Quantum