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An Information Portal to 105212 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4EJW
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 4.5
    Temperature 298.0
    Details 0.1M Na-Hepes, pH7.5, 8-14% PEG 4000, 10-13% 2-propanol , pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 107.75 α = 90
    b = 107.75 β = 90
    c = 49.72 γ = 120
     
    Space Group
    Space Group Name:    P 61
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 210
    Details mirror
    Collection Date 2009-07-24
     
    Diffraction Radiation
    Monochromator graphite
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSRRC BEAMLINE BL13B1
    Wavelength List 1
    Site NSRRC
    Beamline BL13B1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.8
    Resolution(Low) 30
    Number Reflections(All) 8282
    Number Reflections(Observed) 8266
    Percent Possible(Observed) 99.6
    Redundancy 4.0
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.9
    Percent Possible(All) 100.0
    Mean I Over Sigma(Observed) 3.8
    Redundancy 4.0
    Number Unique Reflections(All) 832
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 30.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 8282
    Number of Reflections(Observed) 7991
    Number of Reflections(R-Free) 354
    Percent Reflections(Observed) 96.5
    R-Work 0.247
    R-Free 0.296
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 52.56
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.9
    Number of Reflections(Observed) 741
    Number of Reflections(R-Free) 0
    R-Factor(R-Work) 0.301
    R-Factor(R-Free) 0.0
    Percent Reflections(Observed) 89.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.7
    c_bond_d 0.01
     
    Coordinate Error
    Luzzati ESD(Observed) 0.36
    Luzzati Sigma A(Observed) 0.38
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2191
    Nucleic Acid Atoms 0
    Heterogen Atoms 80
    Solvent Atoms 68
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data collection HKL-2000