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X-RAY DIFFRACTION
Materials and Methods page
1SBW
  •   Crystallization Hide
    Crystallization Experiments
    pH 6
    Details pH 6.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.27 α = 90
    b = 63.55 β = 90
    c = 69.44 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Collection Date 1997-10-01
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.8
    Resolution(Low) 70
    Number Reflections(Observed) 23601
    Percent Possible(Observed) 88.8
    R Merge I(Observed) 0.043
    Redundancy 3.0
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.88
    Percent Possible(All) 70.7
    R Merge I(Observed) 0.038
    Redundancy 2.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.8
    Resolution(Low) 70.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 23601
    Number of Reflections(R-Free) 1137
    Percent Reflections(Observed) 88.8
    R-Work 0.164
    R-Free 0.196
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 19.48
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.8
    Shell Resolution(Low) 1.88
    Number of Reflections(R-Free) 127
    Number of Reflections(R-Work) 2307
    R-Factor(R-Work) 0.173
    R-Factor(R-Free) 0.224
    Percent Reflections(Observed) 74.64
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.17
    x_bond_d 0.006
    x_angle_deg 1.45
    x_dihedral_angle_d 25.7
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1734
    Nucleic Acid Atoms 0
    Heterogen Atoms 6
    Solvent Atoms 272
     
     
  •   Software and Computing Hide
    Computing
    Structure Refinement X-PLOR 3.8
     
    Software
    refinement X-PLOR version: 3.8