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X-RAY DIFFRACTION
Materials and Methods page
1P2O
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.8
    Temperature 298.0
    Details 50% ammonium sulfate, 0.1M Tris, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 100.17 α = 90
    b = 100.17 β = 90
    c = 206.14 γ = 120
     
    Space Group
    Space Group Name:    P 61
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 1999-06-19
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength List 0.9312
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2
    Resolution(Low) 30
    Number Reflections(All) 61907
    Number Reflections(Observed) 61907
    Percent Possible(Observed) 78.6
    R Merge I(Observed) 0.066
    B(Isotropic) From Wilson Plot 32.85
    Redundancy 2.9
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.11
    Percent Possible(All) 82.0
    R Merge I(Observed) 0.251
    Mean I Over Sigma(Observed) 2.3
    R-Sym I(Observed) 0.251
    Redundancy 2.8
    Number Unique Reflections(All) 69955
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 25.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 61895
    Number of Reflections(Observed) 61895
    Number of Reflections(R-Free) 2155
    Percent Reflections(Observed) 78.6
    R-Factor(All) 0.227
    R-Factor(Observed) 0.227
    R-Work 0.227
    R-Free 0.253
    R-Free Selection Details Random
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 33.09
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.73
    c_dihedral_angle_d 24.87
    c_bond_d 0.05
    c_angle_deg 1.27
     
    Coordinate Error
    Luzzati ESD(Observed) 0.26
    Luzzati Sigma A(Observed) 0.18
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4402
    Nucleic Acid Atoms 0
    Heterogen Atoms 30
    Solvent Atoms 248
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution CNS
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building CNS
    data reduction SCALA
    data collection DENZO