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X-RAY DIFFRACTION
Materials and Methods page
1EP4
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5
    Temperature 277.0
    Details see reference 12, pH 5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 135.7 α = 90
    b = 118 β = 90
    c = 67.3 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 ADSC QUANTUM 4
    Collection Date 1998-09-06
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX9.6
    Wavelength 0.87
    Site SRS
    Beamline PX9.6
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.5
    Resolution(High) 2.5
    Resolution(Low) 30
    Number Reflections(Observed) 35008
    Percent Possible(Observed) 90.9
    R Merge I(Observed) 0.051
    B(Isotropic) From Wilson Plot 62.9
    Redundancy 3.1
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.59
    Percent Possible(All) 86.2
    R Merge I(Observed) 0.16
    Redundancy 2.6
    Number Unique Reflections(All) 3261
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.5
    Resolution(Low) 30.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 34696
    Number of Reflections(R-Free) 1704
    Percent Reflections(Observed) 91.0
    R-Factor(Observed) 0.242
    R-Work 0.254
    R-Free 0.33
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.54
    c_bond_d 0.0095
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7565
    Nucleic Acid Atoms 0
    Heterogen Atoms 29
    Solvent Atoms 197
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement CNS 0.9
     
    Software
    refinement CNS version: 0.9
    model building X-PLOR