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X-RAY DIFFRACTION
Materials and Methods page
1LLM
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 298.0
    Details bis-tris propane, magnesium chloride, ammonium acetate, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 87.4 α = 90
    b = 87.4 β = 90
    c = 118.69 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2001-03-24
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 2000-06-08
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
    Monochromator yale mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4A
    Wavelength List 0.9999
    Site NSLS
    Beamline X4A
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength List 1.54
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.5
    Resolution(Low) 20
    Number Reflections(All) 83074
    Number Reflections(Observed) 77251
    Percent Possible(Observed) 89.5
    B(Isotropic) From Wilson Plot 17.8
    Redundancy 14.3
     
    High Resolution Shell Details
    Resolution(High) 1.5
    Resolution(Low) 1.59
    Percent Possible(All) 97.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MIR
    reflnsShellList 1.5
    Resolution(Low) 20.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(all) 83074
    Number of Reflections(Observed) 77251
    Number of Reflections(R-Free) 7807
    Percent Reflections(Observed) 91.7
    R-Factor(All) 0.226
    R-Work 0.216
    R-Free 0.234
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 25.1
    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) 1.5
    Shell Resolution(Low) 1.59
    Number of Reflections(R-Free) 1130
    Number of Reflections(R-Work) 9937
    R-Factor(R-Work) 0.294
    R-Factor(R-Free) 0.3
    R-Free Error 0.009
    Percent Reflections(Observed) 79.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 3.0
    x_scbond_it 1.9
    x_mcangle_it 1.7
    x_mcbond_it 1.03
    x_improper_angle_d 1.62
    x_bond_d 0.015
    x_angle_deg 1.6
    x_dihedral_angle_d 21.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.19
    Luzzati Sigma A(Observed) 0.18
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.19
    Luzzati Sigma A(R-Free Set) 0.18
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1437
    Nucleic Acid Atoms 526
    Heterogen Atoms 4
    Solvent Atoms 312
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR(ONLINE) version: 3.851
    model building X-PLOR
    data reduction SCALEPACK
    data collection DENZO