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X-RAY DIFFRACTION
Materials and Methods page
4GCT
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 298.0
    Details peg 8000, calcium chloride, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 69.1 α = 90
    b = 61.36 β = 99.06
    c = 121.08 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Radiation
    Monochromator mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.3.1
    Wavelength List 1.03
    Site ALS
    Beamline 8.3.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.45
    Resolution(Low) 119.32
    Number Reflections(Observed) 33622
    B(Isotropic) From Wilson Plot 44.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.45
    Resolution(Low) 63.75
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 33622
    Number of Reflections(R-Free) 2678
    Percent Reflections(Observed) 90.7
    R-Factor(Observed) 0.225
    R-Work 0.225
    R-Free 0.276
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 48.8
    Anisotropic B[1][1] -4.07
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -3.34
    Anisotropic B[2][2] 10.37
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -6.3
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.45
    Shell Resolution(Low) 2.6
    Number of Reflections(R-Free) 335
    Number of Reflections(R-Work) 3857
    R-Factor(R-Work) 0.384
    R-Factor(R-Free) 0.414
    R-Free Error 0.023
    Percent Reflections(Observed) 68.3
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 5.73
    c_scbond_it 4.03
    c_mcangle_it 3.95
    c_mcbond_it 2.58
    c_improper_angle_d 0.99
    c_dihedral_angle_d 19.3
    c_angle_deg 1.1
    c_bond_d 0.008
     
    Coordinate Error
    Luzzati ESD(Observed) 0.36
    Luzzati Sigma A(Observed) 0.4
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.47
    Luzzati Sigma A(R-Free Set) 0.48
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6154
    Nucleic Acid Atoms 814
    Heterogen Atoms 0
    Solvent Atoms 228
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution molrep
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building molrep
    data collection ADSC version: Quantum