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X-RAY DIFFRACTION
Materials and Methods page
1JLF
  •   Crystallization Hide
    Crystallization Experiments
    pH 5
    Details pH 5.00
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 137.3 α = 90
    b = 109.2 β = 90
    c = 72 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 CCD
    Type MARRESEARCH
    Collection Date 1999-12-02
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength 0.933
    Site ESRF
    Beamline ID14-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.5
    Resolution(High) 2.6
    Resolution(Low) 20
    Number Reflections(Observed) 33769
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.07
    B(Isotropic) From Wilson Plot 69.1
    Redundancy 6.5
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.69
    Percent Possible(All) 99.6
    Mean I Over Sigma(Observed) 1.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.6
    Resolution(Low) 19.99
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 33720
    Number of Reflections(R-Free) 1674
    Percent Reflections(Observed) 99.3
    R-Factor(Observed) 0.237
    R-Work 0.237
    R-Free 0.303
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 81.2
    Anisotropic B[1][1] -13.14
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -18.86
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 32.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.69
    Number of Reflections(R-Free) 137
    Number of Reflections(R-Work) 3185
    R-Factor(R-Work) 0.418
    R-Factor(R-Free) 0.444
    R-Free Error 0.038
    Percent Reflections(Observed) 99.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 12.83
    c_scbond_it 8.96
    c_mcangle_it 9.02
    c_mcbond_it 5.95
    c_improper_angle_d 0.94
    c_bond_d 0.009
    c_angle_deg 1.5
    c_dihedral_angle_d 22.9
     
    Coordinate Error
    Luzzati ESD(Observed) 0.39
    Luzzati Sigma A(Observed) 0.52
    Luzzati Resolution Cutoff(Low) 20.0
    Luzzati ESD(R-Free Set) 0.51
    Luzzati Sigma A(R-Free Set) 0.56
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7749
    Nucleic Acid Atoms 0
    Heterogen Atoms 20
    Solvent Atoms 60
     
     
  •   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