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X-RAY DIFFRACTION
Materials and Methods page
3EQC
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION HANGING DROP
    pH 8
    Temperature 281.0
    Details 0.1M TRIS-CL, pH 8.0; 18% PEG 4000; 0.2M CALCIUM CHLORIDE; 3% DMSO, VAPOR DIFFUSION HANGING DROP, temperature 281K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 77.22 α = 90
    b = 77.22 β = 90
    c = 222.05 γ = 120
     
    Space Group
    Space Group Name:    P 61 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 17-ID
    Wavelength List 1.0
    Site APS
    Beamline 17-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.8
    Resolution(Low) 50
    Number Reflections(Observed) 38811
    Percent Possible(Observed) 99.2
    R Merge I(Observed) 0.056
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.83
    Percent Possible(All) 99.5
    R Merge I(Observed) 0.656
    Number Unique Reflections(All) 1813
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.8
    Resolution(Low) 50.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 38811
    Number of Reflections(R-Free) 1818
    Percent Reflections(Observed) 98.95
    R-Factor(Observed) 0.201
    R-Work 0.199
    R-Free 0.235
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 43.6
    Anisotropic B[1][1] -5.975
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -5.975
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 11.95
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.8
    Shell Resolution(Low) 1.91
    Number of Reflections(R-Free) 272
    Number of Reflections(R-Work) 5494
    R-Factor(R-Work) 0.241
    R-Factor(R-Free) 0.28
    Percent Reflections(Observed) 98.95
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    t_nbd 0.042
    t_it 1.856
    t_gen_planes 0.017
    t_trig_c_planes 0.01
    t_dihedral_angle_d 19.952
    t_angle_deg 1.175
    t_bond_d 0.01
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2438
    Nucleic Acid Atoms 0
    Heterogen Atoms 60
    Solvent Atoms 184
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement BUSTER-TNT 2.1.1
     
    Software
    data extraction pdb_extract version: 3.004
    refinement TNT
    data scaling SCALEPACK
    collection/data indexing DENZO