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X-RAY DIFFRACTION
Materials and Methods page
3PRG
  •   Crystallization Hide
    Crystallization Experiments
    pH 9.5
    Details pH 9.50
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 67.25 α = 90
    b = 67.25 β = 90
    c = 156.88 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Details MIRRORS
    Collection Date 1998-06-22
     
    Diffraction Radiation
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH3R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.9
    Resolution(Low) 20
    Number Reflections(Observed) 8069
    Percent Possible(Observed) 96.0
    B(Isotropic) From Wilson Plot 64.4
    Redundancy 2.3
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.0
    Percent Possible(All) 98.0
    Mean I Over Sigma(Observed) 1.8
    R-Sym I(Observed) 0.388
    Redundancy 2.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MIRAS
    reflnsShellList 2.9
    Resolution(Low) 15.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 8034
    Number of Reflections(R-Free) 433
    Percent Reflections(Observed) 95.7
    R-Factor(Observed) 0.209
    R-Work 0.209
    R-Free 0.271
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 49.7
    Anisotropic B[1][1] -0.01
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.01
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.03
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.9
    Shell Resolution(Low) 3.08
    Number of Reflections(R-Free) 80
    Number of Reflections(R-Work) 1196
    R-Factor(R-Work) 0.303
    R-Factor(R-Free) 0.375
    R-Free Error 0.04
    Percent Reflections(Observed) 93.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 9.92
    c_scbond_it 6.88
    c_mcangle_it 5.57
    c_mcbond_it 3.24
    c_improper_angle_d 0.78
    c_bond_d 0.007
    c_angle_deg 1.4
    c_dihedral_angle_d 19.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.33
    Luzzati Sigma A(Observed) 0.39
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.55
    Luzzati Sigma A(R-Free Set) 0.64
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2139
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS 0.3, SHARP, SOLOMON
    Structure Refinement CNS 0.3
     
    Software
    refinement CNS version: 0.3
    model building SOLOMON
    model building SHARP
    model building CNS version: 0.3