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X-RAY DIFFRACTION
Materials and Methods page
4PRG
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details pH 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 92.72 α = 90
    b = 61.54 β = 102.57
    c = 118.81 γ = 90
     
    Space Group
    Space Group Name:    P 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 110
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS II
    Details MIRROS
    Collection Date 1998-07-01
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.7
    Resolution(Low) 20
    Number Reflections(Observed) 118972
    Percent Possible(Observed) 75.0
    R Merge I(Observed) 0.06
    Redundancy 3.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.9
    Resolution(Low) 10.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 22506
    Number of Reflections(R-Free) 673
    Percent Reflections(Observed) 78.6
    R-Work 0.24
    R-Free 0.283
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 21.7
    Anisotropic B[1][1] -3.22
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 3.04
    Anisotropic B[2][2] 10.74
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -7.52
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.9
    Shell Resolution(Low) 3.08
    Number of Reflections(R-Free) 69
    Number of Reflections(R-Work) 2052
    R-Factor(R-Work) 0.293
    R-Factor(R-Free) 0.341
    R-Free Error 0.041
    Percent Reflections(Observed) 44.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.4
    c_scbond_it 2.2
    c_mcangle_it 3.19
    c_mcbond_it 1.86
    c_improper_angle_d 1.46
    c_bond_d 0.017
    c_angle_deg 2.0
    c_dihedral_angle_d 25.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.36
    Luzzati Sigma A(Observed) 0.41
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.47
    Luzzati Sigma A(R-Free Set) 0.41
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8664
    Nucleic Acid Atoms 0
    Heterogen Atoms 176
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement CNS 0.5
     
    Software
    refinement CNS version: 0.5