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An Information Portal to 105212 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1IG8
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 298.0
    Details 2.3-3.2M Ammonium sulphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 142.81 α = 90
    b = 142.81 β = 90
    c = 58.46 γ = 90
     
    Space Group
    Space Group Name:    I 4
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 277
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1998-09-10
     
    Diffraction Radiation
    Monochromator Si 111
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type LNLS BEAMLINE D03B-MX1
    Wavelength List 1.38
    Site LNLS
    Beamline D03B-MX1
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.2
    Resolution(Low) 13
    Number Reflections(Observed) 60395
    Percent Possible(Observed) 95.1
    B(Isotropic) From Wilson Plot 23.13
    Redundancy 2.12
     
    High Resolution Shell Details
    Resolution(High) 2.2
    Resolution(Low) 2.25
    Percent Possible(All) 96.6
    R Merge I(Observed) 0.42
    Redundancy 1.82
    Number Unique Reflections(All) 1914
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.2
    Resolution(Low) 13.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 53732
    Number of Reflections(Observed) 30146
    Number of Reflections(R-Free) 1368
    R-Work 0.162
    R-Free 0.246
    R-Free Selection Details Random
     
    Temperature Factor Modeling
    Isotropic Thermal Model Overall
    Mean Isotropic B Value 23.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    p_planar_d 0.036
    p_angle_d 0.033
    p_bond_d 0.011
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3671
    Nucleic Acid Atoms 0
    Heterogen Atoms 5
    Solvent Atoms 441
     
     
  •   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