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An Information Portal to 105212 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1I5O
  •   Crystallization Hide
    Crystallization Experiments
    Method MICRODIALYSIS
    pH 5.7
    Temperature 293.0
    Details Tris buffer, maleic acid, pH 5.7, MICRODIALYSIS, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 122.25 α = 90
    b = 122.25 β = 90
    c = 142.67 γ = 120
     
    Space Group
    Space Group Name:    P 3 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 295
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type UCSD MARK II
    Collection Date 1996-07-25
     
    Diffraction Radiation
    Monochromator GRAPHITE
    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) 2.78
    Resolution(Low) 30
    Number Reflections(All) 29390
    Number Reflections(Observed) 29390
    Percent Possible(Observed) 93.0
    R Merge I(Observed) 0.099
    B(Isotropic) From Wilson Plot 26.54
    Redundancy 3.08
     
    High Resolution Shell Details
    Resolution(High) 2.78
    Resolution(Low) 2.99
    Percent Possible(All) 75.0
    R Merge I(Observed) 0.37
    Mean I Over Sigma(Observed) 1.0
    Redundancy 1.85
    Number Unique Reflections(All) 4622
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 10.0
    Cut-off Sigma(I) 1.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(all) 29390
    Number of Reflections(Observed) 23744
    Number of Reflections(R-Free) 2172
    Percent Reflections(Observed) 77.0
    R-Factor(Observed) 0.157
    R-Work 0.155
    R-Free 0.212
    R-Free Selection Details 4 random sets
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 31.2
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.9
    Number of Reflections(Observed) 836
    Number of Reflections(R-Free) 76
    Number of Reflections(R-Work) 821
    R-Factor(R-Work) 0.201
    R-Factor(R-Free) 0.295
    Percent Reflections(Observed) 62.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.33
    x_dihedral_angle_d 24.3
    x_angle_deg 1.95
    x_bond_d 0.017
     
    Coordinate Error
    Luzzati ESD(Observed) 0.25
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7220
    Nucleic Acid Atoms 0
    Heterogen Atoms 18
    Solvent Atoms 296
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) SDMS
    Data Reduction (data scaling) SDMS
    Structure Solution X-PLOR
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR