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X-RAY DIFFRACTION
Materials and Methods page
3E7W
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 6
    Temperature 298.0
    Details 0.1M sodium citrate, 0.2M ammonium acetate, 20% PEG 4000, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 90.56 α = 90
    b = 94.99 β = 90
    c = 132.55 γ = 90
     
    Space Group
    Space Group Name:    I 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 180
     
    Diffraction Detector
    Detector CCD
    Type MAR CCD 165 mm
    Details mirrors
    Collection Date 2004-04-01
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type EMBL/DESY, HAMBURG BEAMLINE BW7A
    Wavelength List 0.9123
    Site EMBL/DESY, HAMBURG
    Beamline BW7A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.28
    Resolution(Low) 30
    Number Reflections(All) 26455
    Number Reflections(Observed) 25439
    Percent Possible(Observed) 96.2
    R Merge I(Observed) 0.061
    B(Isotropic) From Wilson Plot 38.783
    Redundancy 2.89
     
    High Resolution Shell Details
    Resolution(High) 2.28
    Resolution(Low) 2.4
    Percent Possible(All) 90.4
    R Merge I(Observed) 0.284
    Mean I Over Sigma(Observed) 3.9
    R-Sym I(Observed) 0.35
    Redundancy 2.73
    Number Unique Reflections(All) 3720
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 2.28
    Resolution(Low) 19.92
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 26455
    Number of Reflections(Observed) 25261
    Number of Reflections(R-Free) 1503
    Percent Reflections(Observed) 96.2
    R-Work 0.205
    R-Free 0.256
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 41.12
    Anisotropic B[1][1] 22.36
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -7.42
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -14.94
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.28
    Shell Resolution(Low) 2.31
    Number of Reflections(Observed) 496
    Number of Reflections(R-Free) 36
    Number of Reflections(R-Work) 460
    R-Factor(R-Work) 0.306
    R-Factor(R-Free) 0.322
    R-Free Error 0.054
    Percent Reflections(Observed) 58.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.92
    c_dihedral_angle_d 23.4
    c_angle_deg 1.3
    c_bond_d 0.006
     
    Coordinate Error
    Luzzati ESD(Observed) 0.29
    Luzzati Sigma A(Observed) 0.37
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.36
    Luzzati Sigma A(R-Free Set) 0.43
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3978
    Nucleic Acid Atoms 0
    Heterogen Atoms 28
    Solvent Atoms 367
     
     
  •   Software and Computing Hide
    Computing
    Data Collection MAR345dtb
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) XSCALE
    Structure Solution SHELXD
    Structure Refinement CNS 1.1
     
    Software
    data extraction pdb_extract version: 3.006
    refinement CNS
    phasing SHELX
    data processing Xscale