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X-RAY DIFFRACTION
Materials and Methods page
2VTK
  •   Crystallization Hide
    Crystallization Experiments
    pH 5.5
    Details pH 5.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 84.1 α = 90
    b = 84.1 β = 90
    c = 155.36 γ = 90
     
    Space Group
    Space Group Name:    I 41
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type SIEMENS
    Collection Date 1996-01
     
    Diffraction Radiation
    Monochromator GRAPHITE(002)
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH2R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.8
    Resolution(Low) 100
    Number Reflections(Observed) 11472
    Percent Possible(Observed) 83.1
    B(Isotropic) From Wilson Plot 33.0
    Redundancy 2.3
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.89
    Percent Possible(All) 63.7
    Mean I Over Sigma(Observed) 3.4
    R-Sym I(Observed) 0.189
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIFFERENCE FOURIER
    reflnsShellList 2.8
    Resolution(Low) 10.0
    Number of Reflections(Observed) 11171
    Number of Reflections(R-Free) 1099
    Percent Reflections(Observed) 83.4
    R-Factor(Observed) 0.175
    R-Work 0.175
    R-Free 0.238
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 32.5
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.92
    Number of Reflections(R-Free) 104
    Number of Reflections(R-Work) 918
    R-Factor(R-Work) 0.251
    R-Factor(R-Free) 0.326
    R-Free Error 0.032
    Percent Reflections(Observed) 64.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 11.4
    x_scbond_it 8.1
    x_mcangle_it 6.6
    x_mcbond_it 5.0
    x_improper_angle_d 1.68
    x_bond_d 0.009
    x_angle_deg 1.48
    x_dihedral_angle_d 22.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.27
    Luzzati Sigma A(Observed) 0.46
    Luzzati Resolution Cutoff(Low) 4.8
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2391
    Nucleic Acid Atoms 0
    Heterogen Atoms 44
    Solvent Atoms 28
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) MERGE
    Structure Solution X-PLOR 3.1
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR version: 3.1