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X-RAY DIFFRACTION
Materials and Methods page
2VV1
  •   Crystallization Hide
    Crystallization Experiments
    pH 8
    Details PH 8, TRIS 100MM, 0.7M NACITRATE, 1MM TCEP, 0.5MM EDTA, VAPOUR DIFFUSION, DARK, UNDER NITROGEN, 22 DEGREES CELSIUS
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 93.2 α = 90
    b = 62.2 β = 102.75
    c = 118.89 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2007-11-16
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-3
    Wavelength 0.93
    Site ESRF
    Beamline ID14-3
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.2
    Resolution(Low) 58.12
    Number Reflections(Observed) 52255
    Percent Possible(Observed) 99.0
    R Merge I(Observed) 0.08
    B(Isotropic) From Wilson Plot 30.6
    Redundancy 2.5
     
    High Resolution Shell Details
    Resolution(High) 2.2
    Resolution(Low) 2.32
    Percent Possible(All) 99.7
    R Merge I(Observed) 0.28
    Mean I Over Sigma(Observed) 2.6
    Redundancy 2.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.2
    Resolution(Low) 49.27
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 52255
    Number of Reflections(R-Free) 2663
    Percent Reflections(Observed) 78.9
    R-Factor(Observed) 0.239
    R-Work 0.239
    R-Free 0.277
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 51.4
    Anisotropic B[1][1] 0.84
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 3.53
    Anisotropic B[2][2] 17.37
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -18.21
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.2
    Shell Resolution(Low) 2.34
    Number of Reflections(R-Free) 402
    Number of Reflections(R-Work) 8064
    R-Factor(R-Work) 0.337
    R-Factor(R-Free) 0.358
    R-Free Error 0.018
    Percent Reflections(Observed) 76.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.08
    c_scbond_it 2.03
    c_mcangle_it 2.3
    c_mcbond_it 1.4
    c_improper_angle_d 1.89
    c_bond_d 0.011
    c_angle_deg 1.1
    c_dihedral_angle_d 18.9
     
    Coordinate Error
    Luzzati ESD(Observed) 0.32
    Luzzati Sigma A(Observed) 0.38
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.38
    Luzzati Sigma A(R-Free Set) 0.39
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3955
    Nucleic Acid Atoms 0
    Heterogen Atoms 50
    Solvent Atoms 106
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building PHASER