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X-RAY DIFFRACTION
Materials and Methods page
4MS9
  •   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 = 22.71 α = 90
    b = 22.71 β = 90
    c = 77.72 γ = 120
     
    Space Group
    Space Group Name:    P 31 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 2013-01-10
     
    Diffraction Radiation
    Monochromator Double Crystal Si (111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.1
    Wavelength List 1.0
    Site ALS
    Beamline 8.2.1
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.2
    Wavelength List 1.0
    Site ALS
    Beamline 8.2.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.32
    Resolution(Low) 50
    Number Reflections(All) 5981
    Number Reflections(Observed) 5742
    Percent Possible(Observed) 96.0
    R Merge I(Observed) 5.5
    Redundancy 11.8
     
    High Resolution Shell Details
    Resolution(High) 1.32
    Resolution(Low) 1.37
    Percent Possible(All) 84.7
    R Merge I(Observed) 0.225
    Mean I Over Sigma(Observed) 8.28
    Redundancy 10.4
    Number Unique Reflections(All) 480
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method AB INITIO PHASING
    reflnsShellList 1.32
    Resolution(Low) 25.91
    Cut-off Sigma(F) -3.0
    Number of Reflections(all) 5626
    Number of Reflections(Observed) 5463
    Number of Reflections(R-Free) 256
    Percent Reflections(Observed) 97.08
    R-Factor(Observed) 0.19016
    R-Work 0.18843
    R-Free 0.22753
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 16.061
    Anisotropic B[1][1] -0.03
    Anisotropic B[1][2] -0.02
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.03
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.05
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.323
    Shell Resolution(Low) 1.357
    Number of Reflections(R-Free) 12
    Number of Reflections(R-Work) 313
    R-Factor(R-Work) 0.231
    R-Factor(R-Free) 0.219
    Percent Reflections(Observed) 90.53
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.028
    r_chiral_restr 0.082
    r_angle_refined_deg 1.706
    r_bond_refined_d 0.015
     
    Coordinate Error
    Luzzati ESD(Observed) 0.064
    Luzzati ESD(R-Free Set) 0.069
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 212
    Heterogen Atoms 3
    Solvent Atoms 57
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution ACORN
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building ACORN
    data collection HKL-2000