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X-RAY DIFFRACTION
Materials and Methods page
1N19
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 293.0
    Details ammonium sulfate, NaCl, Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 114.7 α = 90
    b = 47.9 β = 96.8
    c = 56.2 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 90
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1999-08-11
     
    Diffraction Radiation
    Monochromator Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL7-1
    Wavelength List 1.08
    Site SSRL
    Beamline BL7-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.8
    Resolution(Low) 27.9
    Number Reflections(Observed) 23675
    Percent Possible(Observed) 84.0
    B(Isotropic) From Wilson Plot 19.3
    Redundancy 3.3
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.83
    Percent Possible(All) 45.2
    Mean I Over Sigma(Observed) 1.57
    R-Sym I(Observed) 0.393
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.86
    Resolution(Low) 27.9
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 22597
    Number of Reflections(Observed) 22597
    Number of Reflections(R-Free) 1598
    Percent Reflections(Observed) 87.9
    R-Factor(Observed) 0.207
    R-Work 0.207
    R-Free 0.26
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 43.3
    Anisotropic B[1][1] 5.58
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 12.73
    Anisotropic B[2][2] 6.4
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -11.98
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.86
    Shell Resolution(Low) 1.98
    Number of Reflections(R-Free) 209
    Number of Reflections(R-Work) 2502
    R-Factor(R-Work) 0.34
    R-Factor(R-Free) 0.361
    R-Free Error 0.025
    Percent Reflections(Observed) 63.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.81
    c_scbond_it 1.97
    c_mcangle_it 2.19
    c_mcbond_it 1.38
    c_improper_angle_d 0.69
    c_bond_d 0.005
    c_angle_deg 1.3
    c_dihedral_angle_d 24.9
     
    Coordinate Error
    Luzzati ESD(Observed) 0.26
    Luzzati Sigma A(Observed) 0.34
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.32
    Luzzati Sigma A(R-Free Set) 0.36
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2222
    Nucleic Acid Atoms 0
    Heterogen Atoms 9
    Solvent Atoms 262
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building AMoRE
    data reduction SCALEPACK
    data collection DENZO