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X-RAY DIFFRACTION
Materials and Methods page
1AON
  •   Crystallization Hide
    Crystallization Experiments
    pH 5.5
    Details PROTEIN WAS CRYSTALLIZED FROM 12% PEG3000, 0.25M SODIUM GLUTAMATE, 100MM CACODYLIC ACID, PH 5.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 255.26 α = 90
    b = 265.25 β = 90
    c = 184.4 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Details MIRRORS
    Collection Date 1996-09
     
    Diffraction Radiation
    Monochromator TWO CRYSTAL NON-DISPERSIVE
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength 0.950
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 3
    Resolution(Low) 99
    Number Reflections(Observed) 242684
    Percent Possible(Observed) 96.7
    Redundancy 3.3
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.14
    Percent Possible(All) 91.2
    Mean I Over Sigma(Observed) 1.8
    R-Sym I(Observed) 0.53
    Redundancy 2.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.0
    Resolution(Low) 40.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 198459
    Number of Reflections(R-Free) 9846
    Percent Reflections(Observed) 79.7
    R-Factor(Observed) 0.248
    R-Work 0.248
    R-Free 0.291
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 61.5
    Anisotropic B[1][1] 14.83
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 12.27
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -27.1
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.0
    Shell Resolution(Low) 3.14
    Number of Reflections(R-Free) 827
    Number of Reflections(R-Work) 16487
    R-Factor(R-Work) 0.356
    R-Factor(R-Free) 0.389
    Percent Reflections(Observed) 56.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 6.0
    x_scbond_it 4.04
    x_mcangle_it 4.32
    x_mcbond_it 2.71
    x_improper_angle_d 0.71
    x_bond_d 0.01
    x_angle_deg 1.472
    x_dihedral_angle_d 19.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.45
    Luzzati Sigma A(Observed) 0.58
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.51
    Luzzati Sigma A(R-Free Set) 0.65
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 58674
    Nucleic Acid Atoms 0
    Heterogen Atoms 196
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement X-PLOR
     
    Software
    refinement X-PLOR
    model building X-PLOR