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X-RAY DIFFRACTION
Materials and Methods page
4IW2
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.4
    Temperature 298.0
    Details 25%-30% PEG 3350, 50mM potassium phosphate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 57.15 α = 90
    b = 87.06 β = 102.57
    c = 58.53 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 210
    Collection Date 2012-10-01
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 17-ID
    Site APS
    Beamline 17-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.4
    Resolution(Low) 50
    Number Reflections(Observed) 19250
    B(Isotropic) From Wilson Plot 27.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.41
    Resolution(Low) 33.4
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 19250
    Number of Reflections(R-Free) 1907
    Percent Reflections(Observed) 88.3
    R-Factor(Observed) 0.254
    R-Work 0.242
    R-Free 0.307
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 58.2
    Anisotropic B[1][1] 17.75
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 16.73
    Anisotropic B[2][2] -7.65
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -10.1
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.55
    Number of Reflections(R-Free) 256
    Number of Reflections(R-Work) 2306
    R-Factor(R-Work) 0.35
    R-Factor(R-Free) 0.333
    R-Free Error 0.021
    Percent Reflections(Observed) 69.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.83
    c_bond_d 0.013
    c_angle_deg 1.7
    c_dihedral_angle_d 22.3
     
    Coordinate Error
    Luzzati ESD(Observed) 0.38
    Luzzati Sigma A(Observed) 0.48
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.37
    Luzzati Sigma A(R-Free Set) 0.48
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4579
    Nucleic Acid Atoms 0
    Heterogen Atoms 28
    Solvent Atoms 6
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution GLRF
    Structure Refinement CNS 1.3
     
    Software
    refinement CNS version: 1.3