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X-RAY DIFFRACTION
Materials and Methods page
4ISI
  •   Crystallization Hide
    Crystallization Experiments
    Method vapor diffusion, hanging drop
    pH 6
    Temperature 277.0
    Details 100 mM MES, pH 6.0, 20 mM CACL2, 17.5%(W/V) PEG 6000, vapor diffusion, hanging drop, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 95.42 α = 90
    b = 95.42 β = 90
    c = 117.1 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MAR CCD 165 mm
    Collection Date 2002-04-26
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 17-BM
    Wavelength 1.0
    Wavelength List 1.0
    Site APS
    Beamline 17-BM
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.94
    Resolution(Low) 50
    Number Reflections(Observed) 40495
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.099
    B(Isotropic) From Wilson Plot 15.8
    Redundancy 14.1
     
    High Resolution Shell Details
    Resolution(High) 1.94
    Resolution(Low) 2.01
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.301
    Mean I Over Sigma(Observed) 10.9
    Redundancy 11.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method Molecular Substitution
    reflnsShellList 1.94
    Resolution(Low) 32.42
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 40422
    Number of Reflections(Observed) 38783
    Number of Reflections(R-Free) 1950
    Percent Reflections(Observed) 95.7
    R-Factor(Observed) 0.21
    R-Work 0.209
    R-Free 0.229
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 27.2048
    Anisotropic B[1][1] -1.52
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.52
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 3.04
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.94
    Shell Resolution(Low) 2.03
    Number of Reflections(R-Free) 210
    Number of Reflections(R-Work) 4100
    R-Factor(R-Work) 0.218
    R-Factor(R-Free) 0.234
    R-Free Error 0.016
    Percent Reflections(Observed) 86.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.17
    c_scbond_it 2.14
    c_mcangle_it 2.1
    c_mcbond_it 1.34
    c_improper_angle_d 0.99
    c_dihedral_angle_d 21.2
    c_angle_deg 1.1
    c_bond_d 0.005
     
    Coordinate Error
    Luzzati ESD(Observed) 0.23
    Luzzati Sigma A(Observed) 0.09
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.26
    Luzzati Sigma A(R-Free Set) 0.11
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2390
    Nucleic Acid Atoms 0
    Heterogen Atoms 34
    Solvent Atoms 220
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Refinement CNX 2005
     
    Software
    data extraction pdb_extract version: 3.11
    refinement CNS