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X-RAY DIFFRACTION
Materials and Methods page
1BL8
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details ONE-TO-MIXTURE OF PROTEIN SOLUTION AND RESERVOIR (200 MM CACL2, 100 MM HEPES PH 7.5, 48% PEG 400).
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 128.78 α = 90
    b = 68.93 β = 124.63
    c = 112.04 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type PRINCETON 2K
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE A1
    Wavelength 0.908
    Site CHESS
    Beamline A1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 3.2
    Resolution(Low) 30
    Number Reflections(Observed) 12603
    Percent Possible(Observed) 93.3
    R Merge I(Observed) 0.086
    B(Isotropic) From Wilson Plot 90.0
    Redundancy 6.1
     
    High Resolution Shell Details
    Resolution(High) 3.2
    Resolution(Low) 3.3
    Percent Possible(All) 66.6
    Redundancy 2.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MIR
    reflnsShellList 3.2
    Resolution(Low) 10.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 12054
    Number of Reflections(R-Free) 1252
    Percent Reflections(Observed) 93.3
    R-Factor(Observed) 0.28
    R-Work 0.28
    R-Free 0.29
    R-Free Selection Details SHELL
     
    Temperature Factor Modeling
    Isotropic Thermal Model GROUP
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 0.53
    x_bond_d 0.006
    x_angle_deg 1.1
    x_dihedral_angle_d 23.73
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2820
    Nucleic Acid Atoms 0
    Heterogen Atoms 3
    Solvent Atoms 1
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CCP4, SHELXS-97
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR version: 3.851
    model building SHELXS-97
    model building CCP4 version: PROGRAM SUITE
    data reduction SCALEPACK
    data collection DENZO