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X-RAY DIFFRACTION
Materials and Methods page
4GEK
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5.5
    Temperature 293.0
    Details 0.2M Li2SO4, 0.1M Bis-Tris:HCl pH 5.5, 25% PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 65.31 α = 90
    b = 78.68 β = 90
    c = 92.37 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Collection Date 2012-03-23
     
    Diffraction Radiation
    Monochromator Double silicon(111) crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X29A
    Wavelength List 0.9790
    Site NSLS
    Beamline X29A
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.5
    Resolution(Low) 50
    Number Reflections(Observed) 76870
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.061
    Redundancy 7.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.5
    Resolution(Low) 44.18
    Number of Reflections(Observed) 72966
    Number of Reflections(R-Free) 3858
    Percent Reflections(Observed) 99.93
    R-Factor(Observed) 0.1725
    R-Work 0.17093
    R-Free 0.20275
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 20.346
    Anisotropic B[1][1] -0.22
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.85
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.63
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.5
    Shell Resolution(Low) 1.539
    Number of Reflections(R-Free) 273
    Number of Reflections(R-Work) 5333
    R-Factor(R-Work) 0.226
    R-Factor(R-Free) 0.259
    Percent Reflections(Observed) 99.91
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.015
    r_chiral_restr 0.11
    r_dihedral_angle_4_deg 21.05
    r_dihedral_angle_3_deg 13.193
    r_dihedral_angle_2_deg 34.845
    r_dihedral_angle_1_deg 5.796
    r_angle_refined_deg 1.494
    r_bond_refined_d 0.018
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3641
    Nucleic Acid Atoms 0
    Heterogen Atoms 75
    Solvent Atoms 489
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CBASS
    Data Reduction (intensity integration) HKL-3000
    Data Reduction (data scaling) HKL-3000
    Structure Solution MOLPREP
    Structure Refinement REFMAC 5.7.0029
     
    Software
    refinement REFMAC version: 5.7.0025
    model building MOLPREP
    data collection CBASS