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X-RAY DIFFRACTION
Materials and Methods page
1N6B
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7
    Temperature 298.0
    Details AMMONIUM SULFATE, CYMAL5, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 74.33 α = 90
    b = 134.29 β = 90
    c = 171.84 γ = 90
     
    Space Group
    Space Group Name:    I 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2001-01-01
     
    Diffraction Radiation
    Monochromator DOUBLE CRYSTAL MONOCHROMATOR
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-2
    Wavelength List 0.979
    Site SSRL
    Beamline BL9-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.3
    Resolution(Low) 50
    Number Reflections(Observed) 37253
    Percent Possible(Observed) 96.6
    R Merge I(Observed) 0.058
    Redundancy 4.1
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.36
    Percent Possible(All) 78.5
    R Merge I(Observed) 0.479
    Mean I Over Sigma(Observed) 1.4
    R-Sym I(Observed) 0.479
    Redundancy 2.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 50.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 37253
    Number of Reflections(Observed) 37253
    Number of Reflections(R-Free) 1698
    Percent Reflections(Observed) 96.6
    R-Factor(Observed) 0.257
    R-Work 0.257
    R-Free 0.292
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model ISOTROPIC
    Mean Isotropic B Value 60.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.29
    c_bond_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3697
    Nucleic Acid Atoms 0
    Heterogen Atoms 76
    Solvent Atoms 118
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data reduction SCALA
    data collection MOSFLM