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X-RAY DIFFRACTION
Materials and Methods page
4MSB
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6
    Temperature 293.0
    Details 10% MPD (2-methyl-2,4-pentanediol), 40 mM sodium cacodylate pH 6.0, 12 mM spermine tetrahydrochloride, and 80 mM strontium (II) chloride, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 96.15 α = 90
    b = 25.89 β = 112.61
    c = 69.72 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Detector CCD
    Type ADSC QUANTUM 315
    Collection Date 2012-04-30
     
    Diffraction Radiation
    Monochromator Double crystal, Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.2
    Wavelength List 1.0
    Site ALS
    Beamline 8.2.2
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.1
    Wavelength List 1.0
    Site ALS
    Beamline 8.2.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.55
    Resolution(Low) 30
    Number Reflections(All) 23564
    Number Reflections(Observed) 22386
    Percent Possible(Observed) 95.0
    R Merge I(Observed) 0.039
    Redundancy 5.9
     
    High Resolution Shell Details
    Resolution(High) 1.55
    Resolution(Low) 1.61
    Percent Possible(All) 69.0
    R Merge I(Observed) 0.039
    Mean I Over Sigma(Observed) 3.4
    Redundancy 2.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.55
    Resolution(Low) 30.0
    Cut-off Sigma(F) -3.0
    Number of Reflections(all) 22350
    Number of Reflections(Observed) 21233
    Number of Reflections(R-Free) 1153
    Percent Reflections(Observed) 95.0
    R-Factor(Observed) 0.185
    R-Work 0.182
    R-Free 0.247
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 25.52
    Anisotropic B[1][1] 0.39
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.26
    Anisotropic B[2][2] 0.75
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.34
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.55
    Shell Resolution(Low) 1.59
    Number of Reflections(R-Free) 50
    Number of Reflections(R-Work) 1048
    R-Factor(R-Work) 0.171
    R-Factor(R-Free) 0.258
    Percent Reflections(Observed) 65.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 11.255
    r_sphericity_free 19.899
    r_rigid_bond_restr 5.964
    r_gen_planes_refined 0.012
    r_chiral_restr 0.085
    r_angle_refined_deg 1.526
    r_bond_refined_d 0.005
     
    Coordinate Error
    Luzzati ESD(Observed) 0.124
    Luzzati ESD(R-Free Set) 0.104
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 1272
    Heterogen Atoms 7
    Solvent Atoms 187
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution PHASES
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building PHASES
    data collection HKL-2000