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X-RAY DIFFRACTION
Materials and Methods page
1NBZ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 4.6
    Details PEG 4000, AMMONIUM ACETATE, SODIUM ACETATE, pH 4.60, VAPOR DIFFUSION, HANGING DROP
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 90.9 α = 90
    b = 90.9 β = 90
    c = 151.18 γ = 90
     
    Space Group
    Space Group Name:    P 42 21 2
     
     
  •   Diffraction Hide
    Diffraction Detector
    Detector IMAGE PLATE
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.85
    Resolution(Low) 34.9
    Number Reflections(All) 42777
    Number Reflections(Observed) 42777
    B(Isotropic) From Wilson Plot 10.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.85
    Resolution(Low) 34.9
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 42777
    Number of Reflections(Observed) 42777
    Number of Reflections(R-Free) 4306
    Percent Reflections(Observed) 78.0
    R-Factor(Observed) 0.2291
    R-Work 0.229
    R-Free 0.2292
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 20.8
    Anisotropic B[1][1] 0.88
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.88
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.76
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.85
    Shell Resolution(Low) 1.97
    Number of Reflections(R-Free) 601
    Number of Reflections(R-Work) 5527
    R-Factor(R-Work) 0.268
    R-Factor(R-Free) 0.272
    R-Free Error 0.011
    Percent Reflections(Observed) 68.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.11
    c_scbond_it 2.15
    c_mcangle_it 1.39
    c_mcbond_it 1.31
    c_improper_angle_d 1.82
    c_bond_d 0.018
    c_angle_deg 2.3
    c_dihedral_angle_d 27.1
     
    Coordinate Error
    Luzzati ESD(R-Free Set) 0.24
    Luzzati Sigma A(R-Free Set) 0.18
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4215
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 517
     
     
  •   Software and Computing Hide
    Computing
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0