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X-RAY DIFFRACTION
Materials and Methods page
1GPQ
  •   Crystallization Hide
    Crystallization Experiments
    pH 9
    Details 15% PEG 4000, 5% GLYCEROL, CHES BUFFER 0.1M PH 9.0, PROTEIN CONCENTRATION: 5MG.ML-1
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 55.49 α = 90
    b = 59.56 β = 95.39
    c = 69.2 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Collection Date 2000-08-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM30A
    Wavelength 0.9798
    Site ESRF
    Beamline BM30A
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.6
    Resolution(Low) 25
    Number Reflections(Observed) 58982
    Percent Possible(Observed) 99.0
    R Merge I(Observed) 0.044
    B(Isotropic) From Wilson Plot 18.1
    Redundancy 3.4
     
    High Resolution Shell Details
    Resolution(High) 1.6
    Resolution(Low) 1.65
    Percent Possible(All) 99.0
    R Merge I(Observed) 0.131
    Mean I Over Sigma(Observed) 4.1
    Redundancy 3.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.6
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 58780
    Number of Reflections(R-Free) 5962
    Percent Reflections(Observed) 99.0
    R-Factor(Observed) 0.181
    R-Work 0.181
    R-Free 0.212
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 19.4
    Anisotropic B[1][1] -1.66
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -1.93
    Anisotropic B[2][2] 2.36
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.69
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.6
    Shell Resolution(Low) 1.7
    Number of Reflections(R-Free) 991
    Number of Reflections(R-Work) 8832
    R-Factor(R-Work) 0.186
    R-Factor(R-Free) 0.213
    R-Free Error 0.007
    Percent Reflections(Observed) 99.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.04
    c_scbond_it 2.05
    c_mcangle_it 2.11
    c_mcbond_it 1.34
    c_improper_angle_d 0.97
    c_bond_d 0.009
    c_angle_deg 1.6
    c_dihedral_angle_d 24.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.16
    Luzzati Sigma A(Observed) 0.05
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.19
    Luzzati Sigma A(R-Free Set) 0.06
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3923
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 635
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution SOLVE, AMORE
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building AMORE
    model building SOLVE