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X-RAY DIFFRACTION
Materials and Methods page
4AS4
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details 40% W/V PEG 3350 AND 0.2 M MAGNESIUM FORMATE, pH 7
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 60.61 α = 90
    b = 76.2 β = 90
    c = 117.65 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Details BENT CYLINDRICAL MIRRORS
    Collection Date 2010-02-06
     
    Diffraction Radiation
    Monochromator SINGLE CRYSTAL SI (111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-1
    Wavelength 0.97625
    Site ESRF
    Beamline ID23-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.7
    Resolution(Low) 47.43
    Number Reflections(Observed) 60344
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.05
    B(Isotropic) From Wilson Plot 26.19
    Redundancy 4.7
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.79
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.44
    Mean I Over Sigma(Observed) 3.5
    Redundancy 4.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 36.93
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 60201
    Number of Reflections(R-Free) 3055
    Percent Reflections(Observed) 99.22
    R-Factor(Observed) 0.1542
    R-Work 0.1524
    R-Free 0.1862
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 33.14
    Anisotropic B[1][1] 1.1796
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.3568
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.1772
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.74
    Number of Reflections(R-Free) 219
    Number of Reflections(R-Work) 4192
    R-Factor(R-Work) 0.2295
    R-Factor(R-Free) 0.233
    Percent Reflections(Observed) 99.22
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    t_bond_d 0.01
    t_angle_deg 1.12
    t_omega_torsion 3.79
    t_other_torsion 15.71
     
    Coordinate Error
    Luzzati ESD(Observed) 0.213
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4174
    Nucleic Acid Atoms 0
    Heterogen Atoms 58
    Solvent Atoms 596
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement BUSTER 2.10.0
     
    Software
    refinement BUSTER version: 2.10.0
    model building PHASER