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X-RAY DIFFRACTION
Materials and Methods page
1OZT
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 277.0
    Details magnesium acetate, sodium cacodylate, PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.62 α = 90
    b = 70 β = 110.37
    c = 113.79 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 CCD
    Type ADSC QUANTUM 4
    Details mirrors
    Collection Date 2000-11-05
     
    Diffraction Radiation
    Monochromator mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X8C
    Wavelength List 0.989
    Site NSLS
    Beamline X8C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.5
    Resolution(Low) 100
    Number Reflections(All) 40758
    Number Reflections(Observed) 40758
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.086
    B(Isotropic) From Wilson Plot 35.8
    Redundancy 4.12
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.56
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.408
    Mean I Over Sigma(Observed) 3.32
    Number Unique Reflections(All) 2719
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 42.43
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 40746
    Number of Reflections(Observed) 40746
    Number of Reflections(R-Free) 2064
    Percent Reflections(Observed) 99.6
    R-Factor(All) 0.2243
    R-Factor(Observed) 0.2243
    R-Work 0.222
    R-Free 0.27
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model GROUP
    Mean Isotropic B Value 44.3
    Anisotropic B[1][1] -14.8
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.41
    Anisotropic B[2][2] 29.52
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -14.72
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.5
    Shell Resolution(Low) 2.66
    Number of Reflections(R-Free) 379
    Number of Reflections(R-Work) 6307
    R-Factor(R-Work) 0.343
    R-Factor(R-Free) 0.391
    R-Free Error 0.02
    Percent Reflections(Observed) 98.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.92
    c_dihedral_angle_d 25.7
    c_angle_deg 1.7
    c_bond_d 0.011
     
    Coordinate Error
    Luzzati ESD(Observed) 0.34
    Luzzati Sigma A(Observed) 0.49
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.41
    Luzzati Sigma A(R-Free Set) 0.55
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7966
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 235
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0