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X-RAY DIFFRACTION
Materials and Methods page
1VDS
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.19 α = 90
    b = 79.19 β = 90
    c = 37.93 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 1997-05-27
     
    Diffraction Radiation
    Monochromator Yale mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU300
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.6
    Resolution(Low) 17.6
    Number Reflections(All) 15634
    Number Reflections(Observed) 15634
    Percent Possible(Observed) 94.8
    R Merge I(Observed) 0.061
    B(Isotropic) From Wilson Plot 20.7
    Redundancy 6.6
     
    High Resolution Shell Details
    Resolution(High) 1.6
    Resolution(Low) 1.66
    Percent Possible(All) 98.7
    R Merge I(Observed) 0.145
    Mean I Over Sigma(Observed) 19.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.6
    Resolution(Low) 9.88
    Cut-off Sigma(F) 3.0
    Number of Reflections(all) 15424
    Number of Reflections(Observed) 15118
    Number of Reflections(R-Free) 714
    Percent Reflections(Observed) 92.4
    R-Factor(All) 0.189
    R-Factor(Observed) 0.185
    R-Work 0.185
    R-Free 0.219
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 21.6
    Anisotropic B[1][1] -0.17
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.17
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.34
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.6
    Shell Resolution(Low) 1.7
    Number of Reflections(R-Free) 120
    Number of Reflections(R-Work) 2320
    R-Factor(R-Work) 0.256
    R-Factor(R-Free) 0.262
    R-Free Error 0.024
    Percent Reflections(Observed) 92.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 13.57
    c_scbond_it 23.56
    c_mcangle_it 1.97
    c_mcbond_it 1.29
    c_improper_angle_d 1.31
    c_bond_d 0.014
    c_angle_deg 2.4
    c_dihedral_angle_d 24.3
     
    Coordinate Error
    Luzzati ESD(Observed) 0.17
    Luzzati Sigma A(Observed) 0.13
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.2
    Luzzati Sigma A(R-Free Set) 0.08
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 117
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement CNS version: 1.0