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X-RAY DIFFRACTION
Materials and Methods page
2VV4
  •   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 = 93.78 α = 90
    b = 61.58 β = 103.64
    c = 118.77 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) 2.35
    Resolution(Low) 51.03
    Number Reflections(Observed) 53512
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.12
    B(Isotropic) From Wilson Plot 27.2
    Redundancy 6.9
     
    High Resolution Shell Details
    Resolution(High) 2.35
    Resolution(Low) 2.48
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.32
    Mean I Over Sigma(Observed) 5.7
    Redundancy 7.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.35
    Resolution(Low) 51.02
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 53512
    Number of Reflections(R-Free) 2671
    Percent Reflections(Observed) 99.4
    R-Factor(Observed) 0.226
    R-Work 0.226
    R-Free 0.252
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 42.8
    Anisotropic B[1][1] 0.2
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 2.62
    Anisotropic B[2][2] 12.55
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -12.75
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.35
    Shell Resolution(Low) 2.5
    Number of Reflections(R-Free) 380
    Number of Reflections(R-Work) 8463
    R-Factor(R-Work) 0.294
    R-Factor(R-Free) 0.293
    R-Free Error 0.015
    Percent Reflections(Observed) 99.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.92
    c_scbond_it 1.86
    c_mcangle_it 2.08
    c_mcbond_it 1.2
    c_improper_angle_d 0.82
    c_bond_d 0.009
    c_angle_deg 1.1
    c_dihedral_angle_d 19.1
     
    Coordinate Error
    Luzzati ESD(Observed) 0.3
    Luzzati Sigma A(Observed) 0.3
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.35
    Luzzati Sigma A(R-Free Set) 0.3
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4001
    Nucleic Acid Atoms 0
    Heterogen Atoms 42
    Solvent Atoms 144
     
     
  •   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