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An Information Portal to 110790 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1AQ1
  •   Crystallization Hide
    Crystallization Experiments
    Method vapor diffusion
    pH 7.4
    Details PROTEIN AT 10MG/ML IN 15MM NACL, 10MM HEPES, PH7.4, MIXED WITH WELL BUFFER (50MM AMMONIUM ACETATE, 10% PEG4K, 0.1M HEPES PH 7.4) IN EQUAL VOLUMES, THEN VAPOUR DIFFUSION AGAINST WELL BUFFER. CDK2 CRYSTALS WERE SOAKED FOR 20 HOURS IN A SOLUTION OF 0.5MM STAUROSPORINE IN 1X WELL BUFFER PREPARED FROM STOCKS 2X WELLBUFFER AND 10MM STAUROSPORINE IN 100% DMSO., vapor diffusion
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 53.5 α = 90
    b = 70.5 β = 90
    c = 73.6 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 IMAGE PLATE AREA DETECTOR
    Type MARRESEARCH
    Details MIRROR
    Collection Date 1996-12
     
    Diffraction Radiation
    Monochromator TWIN CRYSTAL
     
    Diffraction Source
    Source SYNCHROTRON
    Type ELETTRA BEAMLINE 5.2R
    Wavelength 0.9
    Site ELETTRA
    Beamline 5.2R
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2
    Resolution(Low) 20
    Number Reflections(Observed) 17731
    Percent Possible(Observed) 92.9
    R Merge I(Observed) 0.1
    Redundancy 3.0
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.1
    Percent Possible(All) 89.4
    R Merge I(Observed) 0.5
    Mean I Over Sigma(Observed) 1.4
    Redundancy 2.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIFFERENCE FOURIER
    reflnsShellList 2.0
    Resolution(Low) 25.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 17721
    Number of Reflections(R-Free) 919
    Percent Reflections(Observed) 92.9
    R-Work 0.22
    R-Free 0.26
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2230
    Nucleic Acid Atoms 0
    Heterogen Atoms 35
    Solvent Atoms 125
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution CCP4
    Structure Refinement REFMAC
     
    Software
    refinement REFMAC
    model building CCP4