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X-RAY DIFFRACTION
Materials and Methods page
1K4C
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5.4
    Temperature 298.0
    Details PEG 400, Magnesium Acetate, Sodium Acetate, pH 5.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 155.33 α = 90
    b = 155.33 β = 90
    c = 76.27 γ = 90
     
    Space Group
    Space Group Name:    I 4
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 200
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2001-02-17
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE A1
    Wavelength List 0.93
    Site CHESS
    Beamline A1
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2
    Resolution(Low) 50
    Number Reflections(All) 60798
    Number Reflections(Observed) 60798
    Percent Possible(Observed) 99.1
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 95.2
    Mean I Over Sigma(Observed) 2.3
    R-Sym I(Observed) 0.53
    Redundancy 3.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 40.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 60790
    Number of Reflections(Observed) 60790
    Number of Reflections(R-Free) 5981
    Percent Reflections(Observed) 99.1
    R-Work 0.218
    R-Free 0.233
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 37.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.73
    c_dihedral_angle_d 24.8
    c_angle_deg 1.4
    c_bond_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4017
    Nucleic Acid Atoms 0
    Heterogen Atoms 48
    Solvent Atoms 469
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 0.3
     
    Software
    refinement CNS version: 0.3
    model building AMoRE
    data reduction SCALEPACK
    data collection DENZO