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X-RAY DIFFRACTION
Materials and Methods page
1LWC
  •   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 = 140 α = 90
    b = 115.2 β = 90
    c = 65.3 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) 2.62
    Resolution(Low) 30
    Number Reflections(Observed) 28631
    Percent Possible(Observed) 86.8
    R Merge I(Observed) 0.075
    B(Isotropic) From Wilson Plot 68.1
    Redundancy 4.7
     
    High Resolution Shell Details
    Resolution(High) 2.62
    Resolution(Low) 2.71
    Percent Possible(All) 71.6
    Mean I Over Sigma(Observed) 2.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.62
    Resolution(Low) 29.8
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 28350
    Number of Reflections(R-Free) 1437
    Percent Reflections(Observed) 87.2
    R-Work 0.215
    R-Free 0.279
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 77.2
    Anisotropic B[1][1] -7.43
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -6.41
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 13.84
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.62
    Shell Resolution(Low) 2.71
    Number of Reflections(R-Free) 123
    Number of Reflections(R-Work) 2337
    R-Factor(R-Work) 0.314
    R-Factor(R-Free) 0.388
    R-Free Error 0.035
    Percent Reflections(Observed) 77.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 12.75
    c_scbond_it 8.3
    c_mcangle_it 7.77
    c_mcbond_it 4.74
    c_improper_angle_d 1.09
    c_dihedral_angle_d 24.1
    c_angle_deg 1.6
    c_bond_d 0.011
     
    Coordinate Error
    Luzzati ESD(R-Free Set) 0.45
    Luzzati Sigma A(R-Free Set) 0.45
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7494
    Nucleic Acid Atoms 0
    Heterogen Atoms 30
    Solvent Atoms 18
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building CNS
    data reduction SCALEPACK
    data collection DENZO