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X-RAY DIFFRACTION
Materials and Methods page
1RDR
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.6
    Details pH 6.6
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 88.13 α = 90
    b = 88.13 β = 90
    c = 158.4 γ = 120
     
    Space Group
    Space Group Name:    P 32 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 243
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Details MIRRORS
    Collection Date 1995-03
     
    Diffraction Radiation
    Monochromator NI FILTER
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH2R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.4
    Resolution(Low) 20
    Number Reflections(Observed) 27135
    Percent Possible(Observed) 95.0
    R Merge I(Observed) 0.087
    B(Isotropic) From Wilson Plot 29.1
    Redundancy 3.1
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.58
    Percent Possible(All) 80.0
    R Merge I(Observed) 1.0
    Mean I Over Sigma(Observed) 0.7
    R-Sym I(Observed) 1.0
    Redundancy 1.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method HEAVY ATOM ISOMORPHOUS REPLACEMENT
    reflnsShellList 2.4
    Resolution(Low) 10.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 18121
    Number of Reflections(R-Free) 1784
    Percent Reflections(Observed) 64.7
    R-Factor(Observed) 0.244
    R-Work 0.244
    R-Free 0.274
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 35.7
    Anisotropic B[1][1] 0.0
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.0
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.55
    Number of Reflections(R-Free) 49
    Number of Reflections(R-Work) 485
    R-Factor(R-Work) 0.322
    R-Factor(R-Free) 0.394
    R-Free Error 0.056
    Percent Reflections(Observed) 11.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 4.82
    c_scbond_it 3.16
    c_mcangle_it 3.59
    c_mcbond_it 2.15
    c_improper_angle_d 0.86
    c_bond_d 0.008
    c_angle_deg 1.5
    c_dihedral_angle_d 21.3
     
    Coordinate Error
    Luzzati ESD(Observed) 0.36
    Luzzati Sigma A(Observed) 0.36
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.41
    Luzzati Sigma A(R-Free Set) 0.4
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2533
    Nucleic Acid Atoms 0
    Heterogen Atoms 2
    Solvent Atoms 107
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS 0.3
    Structure Refinement CNS 0.3
     
    Software
    refinement CNS version: 0.3
    model building CNS version: 0.3