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X-RAY DIFFRACTION
Materials and Methods page
2V46
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details COMPARE SELMER ET AL SCIENCE 2006, pH 7.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 212.41 α = 90
    b = 450.11 β = 90
    c = 630.54 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
    Collection Date 2006-11-23
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.97943
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.6
    Resolution(High) 3.5
    Resolution(Low) 50
    Number Reflections(Observed) 727953
    Percent Possible(Observed) 96.7
    R Merge I(Observed) 0.3
    B(Isotropic) From Wilson Plot 24.0
    Redundancy 6.2
     
    High Resolution Shell Details
    Resolution(High) 3.5
    Resolution(Low) 3.7
    Percent Possible(All) 88.8
    R Merge I(Observed) 0.73
    Mean I Over Sigma(Observed) 1.6
    Redundancy 5.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.5
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 740306
    Number of Reflections(R-Free) 33920
    Percent Reflections(Observed) 98.9
    R-Factor(Observed) 0.265
    R-Work 0.265
    R-Free 0.326
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model GROUP
    Mean Isotropic B Value 89.6
    Anisotropic B[1][1] -3.57
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -7.84
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 11.41
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.5
    Shell Resolution(Low) 3.72
    Number of Reflections(R-Free) 5854
    Number of Reflections(R-Work) 112508
    R-Factor(R-Work) 0.41
    R-Factor(R-Free) 0.43
    R-Free Error 0.006
    Percent Reflections(Observed) 95.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.48
    c_bond_d 0.007
    c_angle_deg 1.2
    c_dihedral_angle_d 28.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.58
    Luzzati Sigma A(Observed) 1.25
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.69
    Luzzati Sigma A(R-Free Set) 1.37
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 20635
    Nucleic Acid Atoms 34562
    Heterogen Atoms 743
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS-PACKAGE
    Data Reduction (data scaling) XDS-PACKAGE
    Structure Solution CNS
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building CNS