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An Information Portal to 110790 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4FE4
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 298.0
    Details PEG 3350, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 124.5 α = 90
    b = 124.5 β = 90
    c = 189.8 γ = 120
     
    Space Group
    Space Group Name:    P 32 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Collection Date 2011-04-23
     
    Diffraction Radiation
    Monochromator mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.3.1
    Wavelength List 1.0
    Site ALS
    Beamline 8.3.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.4
    Resolution(Low) 107.8
    Number Reflections(All) 22874
    Number Reflections(Observed) 22188
    Percent Possible(Observed) 97.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.45
    Resolution(Low) 107.8
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 22874
    Number of Reflections(Observed) 22149
    Number of Reflections(R-Free) 1222
    Percent Reflections(Observed) 96.3
    R-Factor(Observed) 0.289
    R-Work 0.289
    R-Free 0.318
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 117.0
    Anisotropic B[1][1] 22.51
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 22.51
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -45.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.35
    Shell Resolution(Low) 3.56
    Number of Reflections(R-Free) 134
    Number of Reflections(R-Work) 1869
    R-Factor(R-Work) 0.466
    R-Factor(R-Free) 0.466
    R-Free Error 0.04
    Percent Reflections(Observed) 48.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 6.98
    c_scbond_it 4.38
    c_mcangle_it 5.23
    c_mcbond_it 3.1
    c_improper_angle_d 0.98
    c_bond_d 0.012
    c_angle_deg 1.6
    c_dihedral_angle_d 24.1
     
    Coordinate Error
    Luzzati ESD(Observed) 0.63
    Luzzati Sigma A(Observed) 1.27
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.74
    Luzzati Sigma A(R-Free Set) 1.43
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 9189
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution Molrep
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building Molrep
    data collection ADSC version: Quantum