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X-RAY DIFFRACTION
Materials and Methods page
1VDT
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 78.81 α = 90
    b = 78.81 β = 90
    c = 38.13 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 1998-05-14
     
    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) 55.7
    Number Reflections(All) 13566
    Number Reflections(Observed) 13566
    Percent Possible(Observed) 98.3
    R Merge I(Observed) 0.056
    B(Isotropic) From Wilson Plot 15.2
    Redundancy 8.2
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.76
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.266
    Mean I Over Sigma(Observed) 6.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 9.99
    Cut-off Sigma(F) 3.0
    Number of Reflections(all) 13218
    Number of Reflections(Observed) 12562
    Number of Reflections(R-Free) 641
    Percent Reflections(Observed) 91.9
    R-Factor(All) 0.176
    R-Factor(Observed) 0.169
    R-Work 0.169
    R-Free 0.201
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 18.4
    Anisotropic B[1][1] -0.59
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.59
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.17
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.81
    Number of Reflections(R-Free) 95
    Number of Reflections(R-Work) 1731
    R-Factor(R-Work) 0.218
    R-Factor(R-Free) 0.22
    R-Free Error 0.023
    Percent Reflections(Observed) 82.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 12.04
    c_scbond_it 21.64
    c_mcangle_it 2.06
    c_mcbond_it 1.3
    c_improper_angle_d 1.47
    c_bond_d 0.014
    c_angle_deg 2.6
    c_dihedral_angle_d 24.4
     
    Coordinate Error
    Luzzati ESD(Observed) 0.17
    Luzzati Sigma A(Observed) 0.14
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.21
    Luzzati Sigma A(R-Free Set) 0.13
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 115
     
     
  •   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