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X-RAY DIFFRACTION
Materials and Methods page
4B4I
  •   Crystallization Hide
    Crystallization Experiments
    pH 8
    Details CRYSTALLIZATION BY HANGING DROP AT 4C. CONDITIONS IN DROP: PROTEIN AT 35 MG/ML IN 200MM TRIS (PH=8.0) AND 30% (V/V) (S)-MPD. CONDITIONS IN RESERVOIR: 200MM TRIS (PH=8.0) AND 60% (V/V) (S)-MPD.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 77.44 α = 90
    b = 77.44 β = 90
    c = 37.94 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Details TOROIDAL FOCUSING MIRROR
    Collection Date 2011-04-23
     
    Diffraction Radiation
    Monochromator SI(111) CHANNEL CUT
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X6A
    Wavelength 0.8856
    Site NSLS
    Beamline X6A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.2
    Resolution(Low) 30
    Number Reflections(Observed) 36597
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.08
    Redundancy 14.0
     
    High Resolution Shell Details
    Resolution(High) 1.2
    Resolution(Low) 1.22
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.79
    Mean I Over Sigma(Observed) 3.6
    Redundancy 12.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.2
    Resolution(Low) 21.48
    Number of Reflections(Observed) 34682
    Number of Reflections(R-Free) 1825
    Percent Reflections(Observed) 99.61
    R-Factor(Observed) 0.13109
    R-Work 0.12918
    R-Free 0.16729
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 17.107
    Anisotropic B[1][1] -0.28
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.28
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.56
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.2
    Shell Resolution(Low) 1.231
    Number of Reflections(R-Free) 121
    Number of Reflections(R-Work) 2321
    R-Factor(R-Work) 0.188
    R-Factor(R-Free) 0.221
    Percent Reflections(Observed) 99.84
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 10.701
    r_sphericity_free 23.336
    r_rigid_bond_restr 1.338
    r_gen_planes_refined 0.005
    r_chiral_restr 0.093
    r_dihedral_angle_4_deg 14.05
    r_dihedral_angle_3_deg 12.68
    r_dihedral_angle_2_deg 34.687
    r_dihedral_angle_1_deg 5.746
    r_angle_refined_deg 1.214
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 18
    Solvent Atoms 178
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) HKL2000
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building MOLREP