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X-RAY DIFFRACTION
Materials and Methods page
1PZN
  •   Crystallization Hide
    Crystallization Experiments
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 144.16 α = 90
    b = 193.12 β = 90
    c = 176.93 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2002-04-06
    Detector CCD
    Type ADSC
    Collection Date 2002-04-07
     
    Diffraction Radiation
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-2
    Wavelength List 0.979126, 0.911620, 0.979413
    Site SSRL
    Beamline BL9-2
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-2
    Wavelength List 0.979029
    Site SSRL
    Beamline BL9-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.85
    Resolution(Low) 40
    Number Reflections(All) 106150
    Number Reflections(Observed) 106150
    Percent Possible(Observed) 97.1
    B(Isotropic) From Wilson Plot 78.0
     
    High Resolution Shell Details
    Resolution(High) 2.85
    Resolution(Low) 2.95
    Mean I Over Sigma(Observed) 3.2198
    R-Sym I(Observed) 0.37
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 2.85
    Resolution(Low) 39.12
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 106150
    Number of Reflections(Observed) 106150
    Number of Reflections(R-Free) 5206
    Percent Reflections(Observed) 95.3
    R-Work 0.257
    R-Free 0.307
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model GROUP
    Mean Isotropic B Value 79.8
    Anisotropic B[1][1] 42.0
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -30.42
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -11.58
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.85
    Shell Resolution(Low) 3.03
    Number of Reflections(Observed) 16555
    Number of Reflections(R-Free) 793
    Number of Reflections(R-Work) 15762
    R-Factor(R-Work) 0.386
    R-Factor(R-Free) 0.394
    R-Free Error 0.014
    Percent Reflections(Observed) 89.3
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.8
    c_bond_d 0.008
    c_angle_deg 1.4
    c_dihedral_angle_d 23.3
     
    Coordinate Error
    Luzzati ESD(Observed) 0.47
    Luzzati Sigma A(Observed) 0.68
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.55
    Luzzati Sigma A(R-Free Set) 0.65
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 13587
    Nucleic Acid Atoms 0
    Heterogen Atoms 166
    Solvent Atoms 67
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SHARP
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building SHARP
    data reduction SCALEPACK
    data collection DENZO