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X-RAY DIFFRACTION
Materials and Methods page
1MTS
  •   Crystallization Hide
    Crystallization Experiments
    pH 6
    Details 1.8M AMMONIUM SULFATE, PH 6.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.3 α = 90
    b = 69.3 β = 90
    c = 63.8 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 287
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type SIEMENS
    Details MIRRORS
    Collection Date 1994-11
     
    Diffraction Radiation
    Monochromator NI FILTER
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.9
    Resolution(Low) 20
    Number Reflections(Observed) 22069
    Percent Possible(Observed) 96.8
    R Merge I(Observed) 0.029
    Redundancy 2.2
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 2.0
    Percent Possible(All) 92.6
    R Merge I(Observed) 0.087
    Mean I Over Sigma(Observed) 3.0
    R-Sym I(Observed) 0.087
    Redundancy 1.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIFFERENCE FOURIER
    reflnsShellList 1.9
    Resolution(Low) 8.0
    Cut-off Sigma(F) 3.0
    Number of Reflections(Observed) 21173
    Percent Reflections(Observed) 94.2
    R-Factor(Observed) 0.179
    R-Work 0.179
     
    Temperature Factor Modeling
    Data Not Available
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 1.93
    Number of Reflections(R-Work) 841
    R-Factor(R-Work) 0.271
    Percent Reflections(Observed) 73.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.22
    x_bond_d 0.008
    x_angle_deg 1.75
    x_dihedral_angle_d 24.5
     
    Coordinate Error
    Luzzati Resolution Cutoff(Low) 8.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1629
    Nucleic Acid Atoms 0
    Heterogen Atoms 35
    Solvent Atoms 162
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution X-PLOR 3.1
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR version: 3.1
    data reduction XSCALE
    data collection XDS