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X-RAY DIFFRACTION
Materials and Methods page
1AJ5
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.8
    Details 38%SATURATED AMMONIUM SULFATE AND 25MM PIPES BUFFER, PH 6.8
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 67.5 α = 90
    b = 73 β = 90
    c = 156.1 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 110
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Details COLLIMATOR
    Collection Date 1996-06-24
     
    Diffraction Radiation
    Monochromator GRAPHITE(002)
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.3
    Resolution(Low) 40
    Number Reflections(Observed) 17172
    Percent Possible(Observed) 97.7
    R Merge I(Observed) 0.04
    B(Isotropic) From Wilson Plot 29.7
    Redundancy 4.7
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.4
    Percent Possible(All) 94.0
    R Merge I(Observed) 0.19
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 2.3
    Resolution(Low) 8.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 16470
    Number of Reflections(R-Free) 1636
    Percent Reflections(Observed) 96.5
    R-Factor(Observed) 0.22
    R-Work 0.22
    R-Free 0.306
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 33.8
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.44
    Number of Reflections(R-Free) 258
    Number of Reflections(R-Work) 2340
    R-Factor(R-Work) 0.28
    R-Factor(R-Free) 0.326
    R-Free Error 0.02
    Percent Reflections(Observed) 92.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 5.04
    x_scbond_it 3.61
    x_mcangle_it 4.53
    x_mcbond_it 3.08
    x_improper_angle_d 1.23
    x_bond_d 0.008
    x_angle_deg 1.3
    x_dihedral_angle_d 20.7
     
    Coordinate Error
    Luzzati ESD(Observed) 0.27
    Luzzati Sigma A(Observed) 0.28
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.4
    Luzzati Sigma A(R-Free Set) 0.33
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2810
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 120
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASES, X-PLOR 3.843
    Structure Refinement X-PLOR 3.843
     
    Software
    refinement X-PLOR version: 3.843
    model building X-PLOR version: 3.843
    model building PHASES