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X-RAY DIFFRACTION
Materials and Methods page
1LW0
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5
    Temperature 277.0
    Details pH 5.00, VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 139.7 α = 90
    b = 115 β = 90
    c = 65.6 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 MAR scanner 345 mm plate
    Collection Date 1998-06-27
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID2
    Wavelength 0.9903
    Wavelength List 0.9903
    Site ESRF
    Beamline ID2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.5
    Resolution(High) 2.8
    Resolution(Low) 30
    Number Reflections(Observed) 25400
    Percent Possible(Observed) 93.2
    R Merge I(Observed) 0.061
    B(Isotropic) From Wilson Plot 68.9
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.9
    Percent Possible(All) 78.5
    Mean I Over Sigma(Observed) 1.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 29.85
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 25107
    Number of Reflections(R-Free) 1257
    Percent Reflections(Observed) 93.8
    R-Work 0.219
    R-Free 0.301
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 83.3
    Anisotropic B[1][1] -7.15
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -4.77
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 11.92
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.9
    Number of Reflections(R-Free) 114
    Number of Reflections(R-Work) 2167
    R-Factor(R-Work) 0.344
    R-Factor(R-Free) 0.409
    R-Free Error 0.038
    Percent Reflections(Observed) 87.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 12.68
    c_scbond_it 8.32
    c_mcangle_it 8.23
    c_mcbond_it 4.97
    c_improper_angle_d 1.13
    c_bond_d 0.012
    c_angle_deg 1.7
    c_dihedral_angle_d 24.2
     
    Coordinate Error
    Luzzati ESD(R-Free Set) 0.53
    Luzzati Sigma A(R-Free Set) 0.56
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7516
    Nucleic Acid Atoms 0
    Heterogen Atoms 30
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building X-PLOR
    data reduction SCALEPACK
    data collection DENZO