POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
1EKJ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.2
    Temperature 277.0
    Details 16% PEG 4000, 0.05 M DITHIOTHREITOL, 0.4 M AMMONIUM ACETATE, 0.1 M SODIUM CITRATE, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 136.91 α = 90
    b = 143.32 β = 90
    c = 202.13 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 1999-06-01
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS
    Wavelength 1.00000
    Site APS
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.93
    Resolution(Low) 40
    Number Reflections(Observed) 138484
    Percent Possible(Observed) 93.2
    R Merge I(Observed) 0.067
    B(Isotropic) From Wilson Plot 14.6
    Redundancy 5.6
     
    High Resolution Shell Details
    Resolution(High) 1.93
    Percent Possible(All) 78.5
    R Merge I(Observed) 0.277
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.93
    Resolution(Low) 40.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 130054
    Number of Reflections(R-Free) 1298
    Percent Reflections(Observed) 87.5
    R-Factor(Observed) 0.229
    R-Work 0.229
    R-Free 0.25
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 45.3
    Anisotropic B[1][1] 2.16
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 11.0
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -13.17
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.93
    Shell Resolution(Low) 2.05
    Number of Reflections(R-Free) 171
    Number of Reflections(R-Work) 17133
    R-Factor(R-Work) 0.306
    R-Factor(R-Free) 0.324
    R-Free Error 0.025
    Percent Reflections(Observed) 70.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.46
    c_scbond_it 2.57
    c_mcangle_it 2.58
    c_mcbond_it 1.8
    c_improper_angle_d 1.09
    c_bond_d 0.012
    c_angle_deg 1.6
    c_dihedral_angle_d 22.9
     
    Coordinate Error
    Luzzati ESD(Observed) 0.29
    Luzzati Sigma A(Observed) 0.32
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.34
    Luzzati Sigma A(R-Free Set) 0.34
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 13138
    Nucleic Acid Atoms 0
    Heterogen Atoms 97
    Solvent Atoms 811
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SHARP
    Structure Refinement CNS 0.5
     
    Software
    refinement CNS version: 0.5
    model building SHARP