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X-RAY DIFFRACTION
Materials and Methods page
1GX6
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.8
    Details 4% (W/V) PEG 4000, 0.1 M SODIUM CITRATE, 7% 2-PROPANOL, pH 6.80
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 67.09 α = 90
    b = 96.63 β = 90
    c = 96.34 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2000-09-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength 0.9326
    Site ESRF
    Beamline ID14-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.85
    Resolution(Low) 25
    Number Reflections(Observed) 53875
    Percent Possible(Observed) 99.5
    R Merge I(Observed) 0.075
    B(Isotropic) From Wilson Plot 23.5
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 1.85
    Resolution(Low) 1.88
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.384
    Mean I Over Sigma(Observed) 3.3
    Redundancy 3.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.85
    Resolution(Low) 25.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 53836
    Number of Reflections(R-Free) 2898
    Percent Reflections(Observed) 99.2
    R-Factor(Observed) 0.197
    R-Work 0.197
    R-Free 0.229
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 36.5
    Anisotropic B[1][1] 9.91
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -5.05
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -4.85
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.85
    Shell Resolution(Low) 1.88
    Number of Reflections(R-Free) 115
    Number of Reflections(R-Work) 2501
    R-Factor(R-Work) 0.284
    R-Factor(R-Free) 0.329
    R-Free Error 0.031
    Percent Reflections(Observed) 97.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 5.77
    c_scbond_it 4.27
    c_mcangle_it 3.72
    c_mcbond_it 2.82
    c_improper_angle_d 0.96
    c_bond_d 0.01
    c_angle_deg 1.5
    c_dihedral_angle_d 21.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.21
    Luzzati Sigma A(Observed) 0.22
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.26
    Luzzati Sigma A(R-Free Set) 0.26
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4134
    Nucleic Acid Atoms 0
    Heterogen Atoms 60
    Solvent Atoms 485
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building AMORE