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X-RAY DIFFRACTION
Materials and Methods page
4IMT
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5.8
    Temperature 278.0
    Details 20-24% PEG3350 0.1 M MES 200 mM ammonium acetate 10% ethylene glycol 5 mM GSH 35 uM SDS, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 278K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 51.66 α = 90
    b = 110.72 β = 90
    c = 163.71 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 325 mm CCD
    Details mirrors
    Collection Date 2012-07-08
     
    Diffraction Radiation
    Monochromator graphite
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-2
    Wavelength List 0.979
    Site SSRL
    Beamline BL9-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.2
    Resolution(Low) 50
    Number Reflections(Observed) 48484
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.073
    B(Isotropic) From Wilson Plot 40.8
    Redundancy 4.0
     
    High Resolution Shell Details
    Resolution(High) 2.2
    Resolution(Low) 2.24
    Percent Possible(All) 98.5
    R Merge I(Observed) 0.723
    Mean I Over Sigma(Observed) 1.8
    R-Sym I(Observed) 0.723
    Redundancy 3.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 2.2
    Resolution(Low) 50.0
    Number of Reflections(Observed) 45951
    Number of Reflections(R-Free) 2432
    Percent Reflections(Observed) 99.4
    R-Factor(Observed) 0.20128
    R-Work 0.19879
    R-Free 0.24799
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 55.626
    Anisotropic B[1][1] 3.59
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.01
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -3.6
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.2
    Shell Resolution(Low) 2.257
    Number of Reflections(Observed) 3012
    Number of Reflections(R-Free) 163
    Number of Reflections(R-Work) 3012
    R-Factor(R-Work) 0.398
    R-Factor(R-Free) 0.411
    Percent Reflections(Observed) 94.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.005
    r_gen_planes_refined 0.009
    r_chiral_restr 0.084
    r_dihedral_angle_4_deg 18.242
    r_dihedral_angle_3_deg 16.577
    r_dihedral_angle_2_deg 35.511
    r_dihedral_angle_1_deg 6.369
    r_angle_other_deg 0.918
    r_angle_refined_deg 2.081
    r_bond_other_d 0.001
    r_bond_refined_d 0.013
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6658
    Nucleic Acid Atoms 0
    Heterogen Atoms 189
    Solvent Atoms 162
     
     
  •   Software and Computing Hide
    Computing
    Data Collection Blu Ice
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution REFMAC
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building REFMAC
    data collection Blu version: Ice