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An Information Portal to 105025 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1XDA
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.2
    Details HANGING DROP, 0.1M TRI-SODIUM CITRATE, 6% (W/V) TRIS, 0.02% (W/V) ZINC ACETATE, PH 8.2.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 78.75 α = 90
    b = 78.75 β = 90
    c = 79.2 γ = 120
     
    Space Group
    Space Group Name:    H 3
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 120
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1996-06
     
    Diffraction Radiation
     
    Diffraction Source
    Source SYNCHROTRON
    Type EMBL/DESY, HAMBURG BEAMLINE X31
    Wavelength 0.93
    Site EMBL/DESY, HAMBURG
    Beamline X31
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.8
    Resolution(Low) 15
    Number Reflections(Observed) 16624
    Percent Possible(Observed) 98.0
    R Merge I(Observed) 0.055
    B(Isotropic) From Wilson Plot 17.3
    Redundancy 2.4
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.83
    Percent Possible(All) 73.0
    R Merge I(Observed) 0.278
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.8
    Resolution(Low) 15.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 16624
    Percent Reflections(Observed) 98.0
    R-Work 0.174
     
    Temperature Factor Modeling
    Mean Isotropic B Value 19.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    p_transverse_tor 24.7
    p_staggered_tor 15.7
    p_planar_tor 4.5
    p_xyhbond_nbd 0.27
    p_multtor_nbd 0.28
    p_bond_d 0.01
    p_angle_d 0.03
    p_planar_d 0.03
    p_mcbond_it 1.63
    p_mcangle_it 2.27
    p_scbond_it 1.99
    p_scangle_it 3.03
    p_plane_restr 0.02
    p_chiral_restr 0.08
    p_singtor_nbd 0.18
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1592
    Nucleic Acid Atoms 0
    Heterogen Atoms 96
    Solvent Atoms 154
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement REFMAC
     
    Software
    refinement REFMAC
    model building AMORE
    data reduction SCALEPACK
    data collection DENZO