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X-RAY DIFFRACTION
Materials and Methods page
1IJ1
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6
    Temperature 298.0
    Details 0.1 M Na Cacodylate, 20% PEG 8000, 0.2 M Zn Acetate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 25.68 α = 90
    b = 42.19 β = 98.87
    c = 42.68 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
     
    Diffraction Radiation
    Monochromator mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU300
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) -3.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.8
    Resolution(Low) 20
    Number Reflections(All) 8488
    Number Reflections(Observed) 8284
    Percent Possible(Observed) 97.6
    R Merge I(Observed) 0.046
    B(Isotropic) From Wilson Plot 29.7
    Redundancy 4.6
     
    High Resolution Shell Details
    Resolution(High) 1.86
    Resolution(Low) 1.94
    Percent Possible(All) 87.8
    R Merge I(Observed) 0.306
    Mean I Over Sigma(Observed) 4.5
    Redundancy 4.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.86
    Resolution(Low) 20.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 7645
    Number of Reflections(Observed) 7316
    Number of Reflections(R-Free) 703
    Percent Reflections(Observed) 95.3
    R-Factor(All) 0.232
    R-Factor(Observed) 0.227
    R-Work 0.227
    R-Free 0.278
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 35.6
    Anisotropic B[1][1] -3.59
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -3.98
    Anisotropic B[2][2] 7.95
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -4.36
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.86
    Shell Resolution(Low) 1.93
    Number of Reflections(R-Free) 69
    Number of Reflections(R-Work) 709
    R-Factor(R-Work) 0.31
    R-Factor(R-Free) 0.378
    R-Free Error 0.046
    Percent Reflections(Observed) 90.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.83
    c_bond_d 0.01
    c_angle_deg 1.3
    c_dihedral_angle_d 13.7
     
    Coordinate Error
    Luzzati ESD(Observed) 0.25
    Luzzati Sigma A(Observed) 0.21
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.33
    Luzzati Sigma A(R-Free Set) 0.23
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 780
    Nucleic Acid Atoms 0
    Heterogen Atoms 3
    Solvent Atoms 127
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) R-AXIS
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 0.5
     
    Software
    refinement CNS version: 0.5
    model building AMoRE