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X-RAY DIFFRACTION
Materials and Methods page
1KF1
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 285.0
    Details PEG 400, potassium iodide, potassium chloride, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 56.68 α = 90
    b = 56.68 β = 90
    c = 42.11 γ = 120
     
    Space Group
    Space Group Name:    P 6
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 103
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2001-03-31
     
    Diffraction Radiation
    Monochromator Si 111
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength List 0.901
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.1
    Resolution(Low) 20
    Number Reflections(All) 4495
    Number Reflections(Observed) 4304
    Percent Possible(Observed) 93.8
    R Merge I(Observed) 0.052
    Redundancy 4.0
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.17
    Percent Possible(All) 97.8
    R Merge I(Observed) 0.117
    Mean I Over Sigma(Observed) 15.0
    Redundancy 4.0
    Number Unique Reflections(All) 440
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.1
    Resolution(Low) 10.0
    Cut-off Sigma(I) 4.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 4416
    Number of Reflections(Observed) 4227
    Number of Reflections(R-Free) 441
    R-Factor(All) 0.235
    R-Factor(Observed) 0.231
    R-Work 0.229
    R-Free 0.263
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model isotropic
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.09
    R-Factor(R-Work) 0.296
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    s_from_restr_planes 0.007
    s_bond_d 0.005
    s_anti_bump_dis_restr 0.003
    s_angle_d 0.015
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 465
    Heterogen Atoms 3
    Solvent Atoms 68
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement SHELXL-97
     
    Software
    refinement SHELXL-97
    model building CNS