POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
1DK7
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 19.3
    Details PEG4K, LI2SO4, TRISHCL, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 19.3K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 84.86 α = 90
    b = 84.86 β = 90
    c = 77.07 γ = 120
     
    Space Group
    Space Group Name:    P 32 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 80
     
    Diffraction Detector
    Detector CCD
    Type BRANDEIS
    Collection Date 1996-11-29
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE F1
    Wavelength 0.918
    Site CHESS
    Beamline F1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2
    Resolution(Low) 25
    Number Reflections(All) 22062
    Number Reflections(Observed) 18450
    Percent Possible(Observed) 83.6
    R Merge I(Observed) 0.064
    B(Isotropic) From Wilson Plot 19.8
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 96.9
    R Merge I(Observed) 0.327
    Redundancy 3.0
    Number Unique Reflections(All) 2038
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.02
    Resolution(Low) 15.15
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 18450
    Number of Reflections(R-Free) 1815
    Percent Reflections(Observed) 86.4
    R-Factor(Observed) 0.225
    R-Work 0.225
    R-Free 0.241
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 32.0
    Anisotropic B[1][1] 4.94
    Anisotropic B[1][2] 4.4
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 4.94
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -9.87
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(R-Free) 259
    Number of Reflections(R-Work) 2409
    R-Factor(R-Work) 0.257
    R-Factor(R-Free) 0.277
    R-Free Error 0.017
    Percent Reflections(Observed) 73.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 4.03
    c_scbond_it 2.83
    c_mcangle_it 2.37
    c_mcbond_it 1.62
    c_improper_angle_d 0.86
    c_bond_d 0.006
    c_angle_deg 1.3
    c_dihedral_angle_d 23.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.27
    Luzzati Sigma A(Observed) 0.2
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.28
    Luzzati Sigma A(R-Free Set) 0.22
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2174
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 188
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 0.9
     
    Software
    refinement CNS version: 0.9
    model building CNS