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X-RAY DIFFRACTION
Materials and Methods page
1T5A
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 277.0
    Details 0.4 M Diammonium phosphate, glycerol, PEG 3350, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 108.21 α = 90
    b = 145.01 β = 90
    c = 159.26 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 2003-10-11
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 22-ID
    Wavelength List 0.91995
    Site APS
    Beamline 22-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 1.7
    Resolution(High) 2.8
    Resolution(Low) 50
    Number Reflections(Observed) 62359
    Percent Possible(Observed) 96.6
    R Merge I(Observed) 0.113
    B(Isotropic) From Wilson Plot 68.3
    Redundancy 11.5
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.9
    Percent Possible(All) 93.0
    Mean I Over Sigma(Observed) 1.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 20.0
    Cut-off Sigma(I) 2.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 59968
    Number of Reflections(Observed) 57057
    Number of Reflections(R-Free) 2850
    Percent Reflections(Observed) 96.4
    R-Work 0.231
    R-Free 0.278
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Isotropic Thermal Model restrained
    Mean Isotropic B Value 69.4
    Anisotropic B[1][1] -12.02
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 10.53
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.49
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.97
    Number of Reflections(Observed) 9036
    Number of Reflections(R-Free) 474
    R-Factor(R-Work) 0.39
    R-Factor(R-Free) 0.42
    R-Free Error 0.019
    Percent Reflections(Observed) 93.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.83
    c_dihedral_angle_d 22.1
    c_angle_deg 1.4
    c_bond_d 0.01
     
    Coordinate Error
    Luzzati ESD(Observed) 0.42
    Luzzati Sigma A(Observed) 0.61
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.51
    Luzzati Sigma A(R-Free Set) 0.69
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 15884
    Nucleic Acid Atoms 0
    Heterogen Atoms 252
    Solvent Atoms 135
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution EPMR
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building EPMR
    data reduction SCALEPACK
    data collection DENZO