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X-RAY DIFFRACTION
Materials and Methods page
1K6W
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 298.0
    Details PEG 8000, magnesium chloride, Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 109.15 α = 90
    b = 109.15 β = 90
    c = 240.05 γ = 120
     
    Space Group
    Space Group Name:    H 3 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2000-12-07
     
    Diffraction Radiation
    Monochromator Double cyrstal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 5.0.2
    Wavelength List 1.011
    Site ALS
    Beamline 5.0.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.75
    Resolution(Low) 20
    Number Reflections(All) 55446
    Number Reflections(Observed) 55446
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.047
    B(Isotropic) From Wilson Plot 8.9
     
    High Resolution Shell Details
    Resolution(High) 1.75
    Resolution(Low) 1.86
    Percent Possible(All) 99.2
    R Merge I(Observed) 0.074
    Mean I Over Sigma(Observed) 26.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.75
    Resolution(Low) 19.98
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 55446
    Number of Reflections(Observed) 55446
    Number of Reflections(R-Free) 2803
    Percent Reflections(Observed) 99.5
    R-Factor(All) 0.1572
    R-Factor(Observed) 0.1572
    R-Work 0.155
    R-Free 0.172
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 10.7
    Anisotropic B[1][1] 0.28
    Anisotropic B[1][2] 0.59
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.28
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.56
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.75
    Shell Resolution(Low) 1.86
    Number of Reflections(R-Free) 476
    Number of Reflections(R-Work) 8615
    R-Factor(R-Work) 0.156
    R-Factor(R-Free) 0.187
    R-Free Error 0.009
    Percent Reflections(Observed) 99.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.09
    c_bond_d 0.007
    c_angle_deg 1.3
    c_dihedral_angle_d 23.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.14
    Luzzati Sigma A(Observed) -0.04
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.16
    Luzzati Sigma A(R-Free Set) 0.07
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3325
    Nucleic Acid Atoms 0
    Heterogen Atoms 1
    Solvent Atoms 426
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building CNS