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X-RAY DIFFRACTION
Materials and Methods page
3BTH
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details pH 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 75.54 α = 90
    b = 84.89 β = 90
    c = 122.66 γ = 90
     
    Space Group
    Space Group Name:    I 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector IMAGEPLATE
    Type MARRESEARCH
    Collection Date 1998-04
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM1A
    Wavelength 0.873
    Site ESRF
    Beamline BM1A
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.75
    Resolution(Low) 15
    Number Reflections(Observed) 39824
    Percent Possible(Observed) 92.9
    R Merge I(Observed) 0.062
    B(Isotropic) From Wilson Plot 20.7
    Redundancy 3.2
     
    High Resolution Shell Details
    Resolution(High) 1.75
    Resolution(Low) 1.84
    Percent Possible(All) 95.7
    R Merge I(Observed) 0.319
    Mean I Over Sigma(Observed) 2.3
    R-Sym I(Observed) 0.319
    Redundancy 3.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.75
    Resolution(Low) 8.0
    Cut-off Sigma(F) 1.0
    Number of Reflections(Observed) 36604
    Percent Reflections(Observed) 95.0
    R-Work 0.204
    R-Free 0.235
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 23.9
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.75
    Shell Resolution(Low) 1.84
    R-Factor(R-Work) 0.301
    R-Factor(R-Free) 0.333
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_bond_d 0.009
    x_angle_deg 1.81
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2002
    Nucleic Acid Atoms 0
    Heterogen Atoms 21
    Solvent Atoms 131
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) CCP4
    Structure Solution X-PLOR
    Structure Refinement X-PLOR 3.8
     
    Software
    refinement X-PLOR version: 3.8
    model building X-PLOR
    data reduction CCP4
    data collection DENZO