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X-RAY DIFFRACTION
Materials and Methods page
1PS5
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 313.0
    Details 2 M Lithium Sulfate, 8% MPD , pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 313K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 42.94 α = 90
    b = 53.14 β = 97.32
    c = 50.21 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Details OSMIC MIRROR
    Collection Date 2001-05-01
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU300
    Wavelength 1.5418
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2
    Resolution(Low) 20
    Number Reflections(All) 7305
    Number Reflections(Observed) 7305
    Percent Possible(Observed) 95.5
    B(Isotropic) From Wilson Plot 14.7
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 79.7
    Mean I Over Sigma(Observed) 7.4
    R-Sym I(Observed) 0.125
    Redundancy 2.8
    Number Unique Reflections(All) 593
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 18.74
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 7305
    Number of Reflections(Observed) 7296
    Number of Reflections(R-Free) 397
    Percent Reflections(Observed) 95.3
    R-Factor(All) 0.189
    R-Factor(Observed) 0.189
    R-Work 0.189
    R-Free 0.25
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 24.8
    Anisotropic B[1][1] -5.45
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.68
    Anisotropic B[2][2] 11.86
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -6.4
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(Observed) 1072
    Number of Reflections(R-Free) 55
    Number of Reflections(R-Work) 1007
    R-Factor(R-Work) 0.238
    R-Factor(R-Free) 0.328
    R-Free Error 0.044
    Percent Reflections(Observed) 83.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.57
    c_scbond_it 2.39
    c_mcangle_it 1.87
    c_mcbond_it 1.29
    c_improper_angle_d 0.7
    c_bond_d 0.005
    c_angle_deg 1.3
    c_dihedral_angle_d 22.5
     
    Coordinate Error
    Luzzati ESD(R-Free Set) 0.27
    Luzzati Sigma A(R-Free Set) 0.21
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 8
    Solvent Atoms 149
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL (DENZO)
    Data Reduction (data scaling) HKL (SCALEPACK)
    Structure Solution AMORE
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    data reduction HKL version: (SCALEPACK)
    data collection HKL version: (DENZO)