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X-RAY DIFFRACTION
Materials and Methods page
1FKN
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.4
    Temperature 293.0
    Details 22.5% PEG 8000, 0.1M Na-cacodylate, 0.2M ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 53.65 α = 90
    b = 85.85 β = 101.36
    c = 109.24 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 95
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 2000-02-14
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 3.0
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 1.9
    Resolution(Low) 25
    Number Reflections(All) 144164
    Number Reflections(Observed) 69056
    Percent Possible(Observed) 90.0
    R Merge I(Observed) 0.061
    B(Isotropic) From Wilson Plot 25.0
    Redundancy 2.0
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 2.0
    Percent Possible(All) 68.5
    R Merge I(Observed) 0.25
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.9
    Resolution(Low) 24.9
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 144164
    Number of Reflections(Observed) 69056
    Number of Reflections(R-Free) 6748
    Percent Reflections(Observed) 90.0
    R-Factor(Observed) 0.18
    R-Work 0.18
    R-Free 0.224
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 29.2
    Anisotropic B[1][1] 12.96
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 7.73
    Anisotropic B[2][2] -8.93
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -4.03
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 2.02
    Number of Reflections(R-Free) 771
    Number of Reflections(R-Work) 6833
    R-Factor(R-Work) 0.248
    R-Factor(R-Free) 0.274
    R-Free Error 0.01
    Percent Reflections(Observed) 59.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.12
    c_dihedral_angle_d 26.1
    c_angle_deg 1.8
    c_bond_d 0.014
     
    Coordinate Error
    Luzzati ESD(Observed) 0.19
    Luzzati Sigma A(Observed) 0.17
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.24
    Luzzati Sigma A(R-Free Set) 0.19
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6254
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 529
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building AMORE
    data reduction SCALEPACK
    data collection DENZO