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X-RAY DIFFRACTION
Materials and Methods page
2AZB
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.5
    Temperature 281.16
    Details PEG 4000, magensium chloride, Tris HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 281.16K, pH 8.50
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 62.54 α = 90
    b = 62.54 β = 90
    c = 81.85 γ = 120
     
    Space Group
    Space Group Name:    P 61 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 325 mm CCD
    Details MIRRORS
    Collection Date 2005-04-21
     
    Diffraction Radiation
    Monochromator DOUBLE CRYSTAL MONOCHROMATOR
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-2
    Wavelength 0.979
    Site SSRL
    Beamline BL9-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.03
    Resolution(Low) 24.4
    Number Reflections(Observed) 6816
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.064
    Redundancy 14.3
     
    High Resolution Shell Details
    Resolution(High) 2.03
    Resolution(Low) 2.18
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.199
    Mean I Over Sigma(Observed) 4.1
    Redundancy 13.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.03
    Resolution(Low) 24.4
    Cut-off Sigma(F) 2.0
    Number of Reflections(all) 6841
    Number of Reflections(Observed) 6816
    Number of Reflections(R-Free) 346
    Percent Reflections(Observed) 99.6
    R-Factor(Observed) 0.219
    R-Work 0.219
    R-Free 0.287
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 38.46
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.24
    c_bond_d 0.017
    c_angle_deg 1.8
    c_dihedral_angle_d 25.5
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 743
    Nucleic Acid Atoms 0
    Heterogen Atoms 33
    Solvent Atoms 83
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MAR
    Data Reduction (data scaling) MOSFLM
    Structure Solution MOLREP
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building MOLREP
    data reduction MOSFLM
    data collection MAR