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X-RAY DIFFRACTION
Materials and Methods page
4AI8
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 0.1 M HEPES PH7.5, 1.6 M AMMONIUM SULFATE, 6% PEG400, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 86.76 α = 90
    b = 86.76 β = 90
    c = 145.48 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (SATURN 944)
    Type RIGAKU
    Details VARIMAX HF
    Collection Date 2010-11-22
     
    Diffraction Radiation
    Monochromator CONFOCAL
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU FR-E SUPERBRIGHT
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.4
    Resolution(Low) 28.37
    Number Reflections(Observed) 21975
    Percent Possible(Observed) 97.8
    R Merge I(Observed) 0.06
    B(Isotropic) From Wilson Plot 35.0
    Redundancy 7.0
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.49
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.89
    Mean I Over Sigma(Observed) 2.3
    Redundancy 5.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.4
    Resolution(Low) 28.37
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 21975
    Number of Reflections(R-Free) 1180
    Percent Reflections(Observed) 97.8
    R-Factor(Observed) 0.231
    R-Work 0.231
    R-Free 0.248
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 60.8
    Anisotropic B[1][1] -3.83
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -3.83
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 7.67
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.49
    Number of Reflections(R-Free) 107
    Number of Reflections(R-Work) 2192
    R-Factor(R-Work) 0.339
    R-Factor(R-Free) 0.37
    R-Free Error 0.036
    Percent Reflections(Observed) 99.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.89
    c_scbond_it 1.85
    c_mcangle_it 2.41
    c_mcbond_it 1.4
    c_improper_angle_d 1.24
    c_bond_d 0.009
    c_angle_deg 1.5
    c_dihedral_angle_d 25.9
     
    Coordinate Error
    Luzzati ESD(Observed) 0.35
    Luzzati Sigma A(Observed) 0.39
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.4
    Luzzati Sigma A(R-Free Set) 0.47
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2707
    Nucleic Acid Atoms 0
    Heterogen Atoms 55
    Solvent Atoms 135
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) HKL2000
    Structure Solution PHASER
    Structure Refinement CNS 1.3
     
    Software
    refinement CNS version: 1.3
    model building PHASER