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X-RAY DIFFRACTION
Materials and Methods page
1G9V
  •   Crystallization Hide
    Crystallization Experiments
    Method LIQUID DIFFUSION
    pH 6.5
    Temperature 298.0
    Details Ammonium sulfate, ammonium phosphate, ferrous citrate, pH 6.5, LIQUID DIFFUSION, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.2 α = 90
    b = 83.56 β = 99.16
    c = 53.86 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS II
    Details mirrors
    Collection Date 1997-08-06
     
    Diffraction Radiation
    Monochromator MSC mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.85
    Resolution(Low) 55
    Number Reflections(All) 44139
    Number Reflections(Observed) 44139
    Percent Possible(Observed) 93.7
    R Merge I(Observed) 0.059
    B(Isotropic) From Wilson Plot 20.26
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 1.85
    Resolution(Low) 1.91
    Percent Possible(All) 85.1
    R Merge I(Observed) 0.271
    Mean I Over Sigma(Observed) 2.5
    Redundancy 3.6
    Number Unique Reflections(All) 3912
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 1.85
    Resolution(Low) 55.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 44139
    Number of Reflections(Observed) 44139
    Number of Reflections(R-Free) 2207
    Percent Reflections(Observed) 100.0
    R-Factor(All) 0.179
    R-Factor(Observed) 0.179
    R-Work 0.177
    R-Free 0.208
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Isotropic Thermal Model restrained
    Mean Isotropic B Value 22.2
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.85
    Shell Resolution(Low) 1.93
    Number of Reflections(Observed) 9721
    Number of Reflections(R-Free) 486
    R-Factor(R-Work) 0.328
    R-Factor(R-Free) 0.348
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.43
    x_dihedral_angle_d 19.1
    x_angle_deg 1.67
    x_bond_d 0.011
     
    Coordinate Error
    Luzzati ESD(Observed) 0.21
    Luzzati ESD(R-Free Set) 0.25
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4384
    Nucleic Acid Atoms 0
    Heterogen Atoms 232
    Solvent Atoms 260
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) R-AXIS
    Data Reduction (data scaling) CCP4 (AGROVATA, ROTAVATA, TRUNCATE)
    Structure Solution X-PLOR
    Structure Refinement X-PLOR 3.843
     
    Software
    refinement X-PLOR version: 3.843
    model building X-PLOR