POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
4B3Q
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.5
    Details RT COMPLEX WAS MIXED WITH RESERVOIR SOLUTION CONTAINING 1.8M (NH4)2SO4, 50MM TRIS HCL (PH8.5), AND 25MM MGSO4. VAPOR DIFFUSION 4C.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 272.7 α = 90
    b = 272.7 β = 90
    c = 233.1 γ = 120
     
    Space Group
    Space Group Name:    H 3 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (MAR300)
    Type MARRESEARCH
    Details ADJUSTABLE FOCUS K-B PAIR SI MIRRORS
    Collection Date 2011-07-09
     
    Diffraction Radiation
    Monochromator DOUBLE CRYSTAL CRYO-COOLED SI(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 23-ID-B
    Wavelength 1
    Site APS
    Beamline 23-ID-B
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 5
    Resolution(Low) 60
    Number Reflections(Observed) 14646
    Percent Possible(Observed) 99.6
    B(Isotropic) From Wilson Plot 170.34
    Redundancy 6.5
     
    High Resolution Shell Details
    Resolution(High) 5.0
    Resolution(Low) 5.09
    Percent Possible(All) 100.0
    Mean I Over Sigma(Observed) 1.7
    R-Sym I(Observed) 0.87
    Redundancy 6.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 5.0
    Resolution(Low) 29.987
    Cut-off Sigma(F) 1.0
    Number of Reflections(Observed) 13005
    Number of Reflections(R-Free) 662
    Percent Reflections(Observed) 89.81
    R-Factor(Observed) 0.3632
    R-Work 0.361
    R-Free 0.4073
     
    Temperature Factor Modeling
    Mean Isotropic B Value 149.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 5.0003
    Shell Resolution(Low) 5.3844
    Number of Reflections(R-Free) 128
    Number of Reflections(R-Work) 2161
    R-Factor(R-Work) 0.4427
    R-Factor(R-Free) 0.4691
    Percent Reflections(Observed) 80.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 5.3844
    Shell Resolution(Low) 5.9225
    Number of Reflections(R-Free) 115
    Number of Reflections(R-Work) 2327
    R-Factor(R-Work) 0.43
    R-Factor(R-Free) 0.4145
    Percent Reflections(Observed) 85.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 5.9225
    Shell Resolution(Low) 6.7709
    Number of Reflections(R-Free) 152
    Number of Reflections(R-Work) 2435
    R-Factor(R-Work) 0.4222
    R-Factor(R-Free) 0.4532
    Percent Reflections(Observed) 90.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 6.7709
    Shell Resolution(Low) 8.4983
    Number of Reflections(R-Free) 135
    Number of Reflections(R-Work) 2648
    R-Factor(R-Work) 0.381
    R-Factor(R-Free) 0.391
    Percent Reflections(Observed) 96.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 8.4983
    Shell Resolution(Low) 29.9871
    Number of Reflections(R-Free) 132
    Number of Reflections(R-Work) 2772
    R-Factor(R-Work) 0.305
    R-Factor(R-Free) 0.3815
    Percent Reflections(Observed) 98.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    f_plane_restr 0.004
    f_chiral_restr 0.054
    f_dihedral_angle_d 13.78
    f_angle_d 0.802
    f_bond_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7535
    Nucleic Acid Atoms 878
    Heterogen Atoms 20
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution MOLREP
    Structure Refinement PHENIX (PHENIX.REFINE)
     
    Software
    refinement PHENIX version: (PHENIX.REFINE)
    model building MOLREP