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An Information Portal to 110790 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1XW7
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.2
    Temperature 290.0
    Details Tris, sodium citrate, acetone, phenol, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 290K, pH 6.20
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 70.85 α = 90
    b = 70.85 β = 90
    c = 70.85 γ = 90
     
    Space Group
    Space Group Name:    P 21 3
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type BRUKER
    Collection Date 2004-07-23
     
    Diffraction Radiation
    Monochromator MIRRORS
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type BRUKER
    Wavelength 1.54
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.3
    Resolution(Low) 50.1
    Number Reflections(Observed) 5346
    Percent Possible(Observed) 97.7
    R Merge I(Observed) 0.065
    B(Isotropic) From Wilson Plot 39.7
    Redundancy 12.9
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.44
    Percent Possible(All) 95.2
    R Merge I(Observed) 0.066
    Mean I Over Sigma(Observed) 9.6
    Redundancy 9.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 50.1
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 5346
    Number of Reflections(Observed) 5346
    Number of Reflections(R-Free) 598
    Percent Reflections(Observed) 97.7
    R-Factor(Observed) 0.205
    R-Work 0.205
    R-Free 0.269
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 46.9
    Anisotropic B[1][1] 0.0
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.0
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.44
    Number of Reflections(R-Free) 99
    Number of Reflections(R-Work) 758
    R-Factor(R-Work) 0.305
    R-Factor(R-Free) 0.371
    R-Free Error 0.013
    Percent Reflections(Observed) 95.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.28
    c_scbond_it 2.16
    c_mcangle_it 2.69
    c_mcbond_it 1.57
    c_improper_angle_d 0.69
    c_bond_d 0.007
    c_angle_deg 1.2
    c_dihedral_angle_d 21.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.28
    Luzzati Sigma A(Observed) 0.19
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.36
    Luzzati Sigma A(R-Free Set) 0.31
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 812
    Nucleic Acid Atoms 0
    Heterogen Atoms 18
    Solvent Atoms 80
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) PROTEUM
    Data Reduction (data scaling) PROTEUM
    Structure Solution CNS
    Structure Refinement CNS
     
    Software
    refinement CNS 1.1 version: 1.1
    model building CNS version: 1.1
    data reduction Proteum
    data collection Proteum