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X-RAY DIFFRACTION
Materials and Methods page
1C40
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.8
    Details pH 6.80
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 81.5 α = 90
    b = 81.5 β = 90
    c = 107.2 γ = 90
     
    Space Group
    Space Group Name:    P 42 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type SIEMENS X200B
    Collection Date 1993-04-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU300
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.3
    Resolution(Low) 26.9
    Number Reflections(Observed) 15772
    Percent Possible(Observed) 95.0
    R Merge I(Observed) 0.072
    B(Isotropic) From Wilson Plot 0.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 26.9
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 15772
    Number of Reflections(R-Free) 1084
    Percent Reflections(Observed) 95.0
    R-Factor(Observed) 0.197
    R-Work 0.197
    R-Free 0.247
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 22.4
    Anisotropic B[1][1] -0.77
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.77
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.55
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.44
    Number of Reflections(R-Free) 121
    Number of Reflections(R-Work) 1854
    R-Factor(R-Work) 0.348
    R-Factor(R-Free) 0.406
    R-Free Error 0.037
    Percent Reflections(Observed) 72.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 6.74
    c_scbond_it 4.74
    c_mcangle_it 4.2
    c_mcbond_it 2.76
    c_improper_angle_d 1.18
    c_bond_d 0.01
    c_angle_deg 1.4
    c_dihedral_angle_d 19.3
     
    Coordinate Error
    Luzzati ESD(Observed) 0.27
    Luzzati Sigma A(Observed) 0.46
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.35
    Luzzati Sigma A(R-Free Set) 0.66
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2236
    Nucleic Acid Atoms 0
    Heterogen Atoms 86
    Solvent Atoms 62
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XENGEN
    Data Reduction (data scaling) XENGEN
    Structure Solution AUTOMR
    Structure Refinement CNS 0.5
     
    Software
    refinement CNS version: 0.5
    model building AUTOMR