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X-RAY DIFFRACTION
Materials and Methods page
1B1I
  •   Crystallization Hide
    Crystallization Experiments
    pH 5.6
    Details pH 5.6
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 84.65 α = 90
    b = 37.81 β = 90
    c = 42.39 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 289
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Details MIRRORS
     
    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) -3.0
    Resolution(High) 1.8
    Resolution(Low) 30
    Number Reflections(Observed) 11357
    Percent Possible(Observed) 87.8
    R Merge I(Observed) 0.047
    B(Isotropic) From Wilson Plot 21.8
    Redundancy 7.6
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.9
    Percent Possible(All) 72.1
    R Merge I(Observed) 0.378
    Mean I Over Sigma(Observed) 2.6
    Redundancy 3.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.8
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 11348
    Number of Reflections(Observed) 11348
    Number of Reflections(R-Free) 550
    Percent Reflections(Observed) 86.1
    R-Factor(Observed) 0.222
    R-Work 0.222
    R-Free 0.273
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 31.6
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.8
    Shell Resolution(Low) 1.91
    Number of Reflections(R-Free) 63
    Number of Reflections(R-Work) 1055
    R-Factor(R-Work) 0.345
    R-Factor(R-Free) 0.286
    R-Free Error 0.036
    Percent Reflections(Observed) 52.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 5.74
    x_scbond_it 3.55
    x_mcangle_it 3.79
    x_mcbond_it 2.27
    x_improper_angle_d 0.88
    x_bond_d 0.011
    x_angle_deg 1.7
    x_dihedral_angle_d 28.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.26
    Luzzati Sigma A(Observed) 0.3
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.27
    Luzzati Sigma A(R-Free Set) 0.24
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 992
    Nucleic Acid Atoms 0
    Heterogen Atoms 13
    Solvent Atoms 53
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR version: 3.851
    model building AMORE
    data reduction SCALEPACK
    data collection DENZO