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X-RAY DIFFRACTION
Materials and Methods page
1CKL
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details 16% PEG 8000, 40 MM CACL2, 100 MM NA-CACODYLATE PH 6.5, 7 MG/ML PROTEIN, 20C, pH 6.50
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 74.82 α = 90
    b = 111.2 β = 90
    c = 136.99 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM
    Collection Date 1998-06
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X12B
    Wavelength 1.069
    Site NSLS
    Beamline X12B
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.5
    Resolution(High) 3.1
    Resolution(Low) 20
    Number Reflections(Observed) 19873
    Percent Possible(Observed) 92.6
    R Merge I(Observed) 0.049
    Redundancy 3.0
     
    High Resolution Shell Details
    Resolution(High) 3.1
    Resolution(Low) 3.3
    Percent Possible(All) 68.1
    R Merge I(Observed) 0.29
    Mean I Over Sigma(Observed) 3.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MIR
    reflnsShellList 3.1
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 19637
    Number of Reflections(R-Free) 765
    Percent Reflections(Observed) 92.6
    R-Factor(Observed) 0.244
    R-Work 0.244
    R-Free 0.298
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_bond_d 0.014
    x_angle_deg 2.4
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6108
    Nucleic Acid Atoms 0
    Heterogen Atoms 644
    Solvent Atoms 12
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution MLPHARE
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building MLPHARE
    data reduction SCALEPACK
    data collection DENZO