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X-RAY DIFFRACTION
Materials and Methods page
3ZTD
  •   Crystallization Hide
    Crystallization Experiments
    Details 0.1 M NA CITRATE PH 5.7, 0.2 M MG ACETATE, 15% PEG8000, 50 MM DTT.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 94.08 α = 90
    b = 94.08 β = 90
    c = 366.49 γ = 90
     
    Space Group
    Space Group Name:    P 41 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (MX-225)
    Type MARRESEARCH
    Collection Date 2010-07-14
     
    Diffraction Radiation
    Monochromator HORIZONTALLY SIDE DIFFRACTING SILICON 111 CRYSTAL
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-2
    Wavelength 0.8726
    Site ESRF
    Beamline ID23-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.79
    Resolution(Low) 50
    Number Reflections(Observed) 42297
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.14
    B(Isotropic) From Wilson Plot 56.0
    Redundancy 14.2
     
    High Resolution Shell Details
    Resolution(High) 2.79
    Resolution(Low) 2.96
    Percent Possible(All) 99.2
    R Merge I(Observed) 0.58
    Mean I Over Sigma(Observed) 4.71
    Redundancy 14.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.79
    Resolution(Low) 47.04
    Number of Reflections(Observed) 40180
    Number of Reflections(R-Free) 2115
    Percent Reflections(Observed) 100.0
    R-Factor(Observed) 0.22866
    R-Work 0.22443
    R-Free 0.30898
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 38.947
    Anisotropic B[1][1] -0.01
    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] 0.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.79
    Shell Resolution(Low) 2.862
    Number of Reflections(R-Free) 151
    Number of Reflections(R-Work) 2871
    R-Factor(R-Work) 0.256
    R-Factor(R-Free) 0.368
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.212
    r_scbond_it 2.531
    r_mcangle_it 1.734
    r_mcbond_it 0.9
    r_gen_planes_refined 0.01
    r_chiral_restr 0.131
    r_dihedral_angle_4_deg 21.381
    r_dihedral_angle_3_deg 21.099
    r_dihedral_angle_2_deg 39.812
    r_dihedral_angle_1_deg 8.534
    r_angle_refined_deg 2.203
    r_bond_refined_d 0.021
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 10279
    Nucleic Acid Atoms 0
    Heterogen Atoms 116
    Solvent Atoms 13
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XDS
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building PHASER