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X-RAY DIFFRACTION
Materials and Methods page
2BZA
  •   Crystallization Hide
    Crystallization Experiments
    pH 6
    Details pH 6.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.4 α = 90
    b = 63.72 β = 90
    c = 69.17 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Details MIRRORS
    Collection Date 1997-08
     
    Diffraction Radiation
    Monochromator NI FILTER
    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) 1.9
    Resolution(Low) 24
    Number Reflections(Observed) 21208
    Percent Possible(Observed) 93.4
    B(Isotropic) From Wilson Plot 12.9
    Redundancy 3.3
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 1.97
    Percent Possible(All) 84.0
    Mean I Over Sigma(Observed) 5.1
    R-Sym I(Observed) 0.201
    Redundancy 1.96
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.9
    Resolution(Low) 32.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 20934
    Number of Reflections(R-Free) 2061
    Percent Reflections(Observed) 92.1
    R-Work 0.175
    R-Free 0.195
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 22.5
    Anisotropic B[1][1] 0.25
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.65
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.4
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 2.02
    Number of Reflections(R-Free) 308
    Number of Reflections(R-Work) 2752
    R-Factor(R-Work) 0.226
    R-Factor(R-Free) 0.255
    R-Free Error 0.015
    Percent Reflections(Observed) 82.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 6.19
    x_scbond_it 4.09
    x_mcangle_it 3.21
    x_mcbond_it 2.19
    x_improper_angle_d 0.7
    x_bond_d 0.005
    x_angle_deg 1.4
    x_dihedral_angle_d 24.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.18
    Luzzati Sigma A(Observed) 0.16
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.21
    Luzzati Sigma A(R-Free Set) 0.19
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1629
    Nucleic Acid Atoms 0
    Heterogen Atoms 15
    Solvent Atoms 103
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 0.3
     
    Software
    refinement CNS version: 0.3
    model building CNS
    data reduction SCALEPACK
    data collection DENZO