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X-RAY DIFFRACTION
Materials and Methods page
2EV6
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 295.0
    Details 0.1M sodium citrate, 0.2M ammonium citrate, 20% PEG 3000, 5mM ZnCl2, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 49.71 α = 90
    b = 46 β = 93.17
    c = 74.39 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Collection Date 2004-07-11
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.1
    Wavelength List 1.0781
    Site ALS
    Beamline 8.2.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.7
    Resolution(Low) 37.14
    Number Reflections(All) 74441
    Number Reflections(Observed) 34860
    Percent Possible(Observed) 93.6
    R Merge I(Observed) 0.077
    B(Isotropic) From Wilson Plot 23.4
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.81
    Percent Possible(All) 72.1
    R Merge I(Observed) 0.328
    Mean I Over Sigma(Observed) 2.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 37.14
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 74441
    Number of Reflections(Observed) 34860
    Number of Reflections(R-Free) 3457
    Percent Reflections(Observed) 93.6
    R-Factor(Observed) 0.233
    R-Work 0.233
    R-Free 0.26
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 26.8
    Anisotropic B[1][1] 5.98
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -2.04
    Anisotropic B[2][2] -3.62
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -2.36
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.81
    Number of Reflections(R-Free) 451
    Number of Reflections(R-Work) 3962
    R-Factor(R-Work) 0.314
    R-Factor(R-Free) 0.362
    R-Free Error 0.017
    Percent Reflections(Observed) 72.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.91
    c_scbond_it 2.51
    c_mcangle_it 3.03
    c_mcbond_it 1.82
    c_improper_angle_d 0.67
    c_bond_d 0.005
    c_angle_deg 1.0
    c_dihedral_angle_d 17.7
     
    Coordinate Error
    Luzzati ESD(Observed) 0.23
    Luzzati Sigma A(Observed) 0.21
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.27
    Luzzati Sigma A(R-Free Set) 0.25
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2270
    Nucleic Acid Atoms 0
    Heterogen Atoms 27
    Solvent Atoms 214
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1