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X-RAY DIFFRACTION
Materials and Methods page
2WPV
  •   Crystallization Hide
    Crystallization Experiments
    Details 200 MM DI-AMMONIUM HYDROGEN CITRATE AND 20% (V/V) PEG3350
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 48.28 α = 90
    b = 118.77 β = 95.17
    c = 168.38 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2009-02-06
     
    Diffraction Radiation
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSRRC BEAMLINE BL13B1
    Wavelength 1.008528
    Site NSRRC
    Beamline BL13B1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.99
    Resolution(Low) 30
    Number Reflections(Observed) 239510
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.07
    B(Isotropic) From Wilson Plot 9.3
    Redundancy 3.1
     
    High Resolution Shell Details
    Resolution(High) 1.99
    Resolution(Low) 2.06
    Percent Possible(All) 99.1
    R Merge I(Observed) 0.33
    Mean I Over Sigma(Observed) 3.7
    Redundancy 3.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.99
    Resolution(Low) 25.59
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 203797
    Number of Reflections(R-Free) 9814
    Percent Reflections(Observed) 80.0
    R-Factor(Observed) 0.175
    R-Work 0.175
    R-Free 0.206
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 23.2
    Anisotropic B[1][1] -4.34
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 1.91
    Anisotropic B[2][2] -2.72
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 7.06
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.99
    Shell Resolution(Low) 2.11
    Number of Reflections(R-Free) 1146
    Number of Reflections(R-Work) 23254
    R-Factor(R-Work) 0.193
    R-Factor(R-Free) 0.217
    R-Free Error 0.006
    Percent Reflections(Observed) 57.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.57
    c_scbond_it 2.37
    c_mcangle_it 1.79
    c_mcbond_it 1.22
    c_improper_angle_d 0.68
    c_bond_d 0.005
    c_angle_deg 1.0
    c_dihedral_angle_d 18.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.19
    Luzzati Sigma A(Observed) 0.12
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.23
    Luzzati Sigma A(R-Free Set) 0.14
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 10795
    Nucleic Acid Atoms 0
    Heterogen Atoms 4
    Solvent Atoms 1202
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (data scaling) HKL2000
    Structure Solution SOLVE-RESOLVE
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building SOLVE-RESOLVE