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X-RAY DIFFRACTION
Materials and Methods page
2FKK
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 2.3
    Temperature 293.0
    Details 6% PEG1000, 8% PEG8000, 100 mM glycine-HCl pH 2.3, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 69.84 α = 90
    b = 69.84 β = 90
    c = 119.67 γ = 120
     
    Space Group
    Space Group Name:    P 3 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Details Bent conical Si-mirror (Rh coated), Bent Ge(111) monochromator
    Collection Date 2005-04-25
     
    Diffraction Radiation
    Monochromator Bent conical Si-mirror (Rh coated), Bent Ge(111) monochromator
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 14-BM-C
    Wavelength List 0.9000
    Site APS
    Beamline 14-BM-C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.2
    Resolution(Low) 30
    Number Reflections(All) 106155
    Number Reflections(Observed) 105624
    Percent Possible(Observed) 99.5
    R Merge I(Observed) 0.05
    B(Isotropic) From Wilson Plot 18.2
    Redundancy 5.4
     
    High Resolution Shell Details
    Resolution(High) 1.2
    Resolution(Low) 1.22
    Percent Possible(All) 99.7
    R Merge I(Observed) 0.39
    Mean I Over Sigma(Observed) 2.5
    R-Sym I(Observed) 0.39
    Redundancy 5.0
    Number Unique Reflections(All) 5221
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method AB INITIO PHASING
    reflnsShellList 1.2
    Resolution(Low) 10.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 105438
    Number of Reflections(Observed) 105438
    Number of Reflections(R-Free) 2633
    Percent Reflections(Observed) 97.1
    R-Factor(All) 0.12
    R-Factor(Observed) 0.12
    R-Work 0.119
    R-Free 0.1364
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    s_from_restr_planes 0.0317
    s_bond_d 0.016
    s_approx_iso_adps 0.128
    s_anti_bump_dis_restr 0.085
    s_angle_d 0.034
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1419
    Nucleic Acid Atoms 0
    Heterogen Atoms 29
    Solvent Atoms 363
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SOLVE
    Structure Refinement SHELXL-97
     
    Software
    refinement SHELXL-97
    model building SOLVE
    data reduction SCALEPACK
    data collection DENZO