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X-RAY DIFFRACTION
Materials and Methods page
4FBM
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION
    pH 8.5
    Temperature 292.0
    Details 0.1 M Tris, o.5% v/v Jeffamine ED-2001, 3.5 M NaBr, pH 8.5, VAPOR DIFFUSION, temperature 292K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 170.65 α = 90
    b = 170.65 β = 90
    c = 46.83 γ = 90
     
    Space Group
    Space Group Name:    P 42 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Details Single Silicon (111) monochromator
    Collection Date 2011-02-14
     
    Diffraction Radiation
    Monochromator Single crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-1
    Wavelength List 0.87
    Site ESRF
    Beamline ID23-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 3.0
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.8
    Resolution(Low) 46.3
    Number Reflections(All) 16386
    Number Reflections(Observed) 15483
    Percent Possible(Observed) 93.7
    R Merge I(Observed) 0.19
    B(Isotropic) From Wilson Plot 36.0
    Redundancy 4.6
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.87
    Percent Possible(All) 95.9
    R Merge I(Observed) 0.69
    Mean I Over Sigma(Observed) 2.6
    Redundancy 5.0
    Number Unique Reflections(All) 2243
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 46.3
    Cut-off Sigma(I) 3.0
    Cut-off Sigma(F) 3.0
    Number of Reflections(all) 16386
    Number of Reflections(Observed) 15483
    Number of Reflections(R-Free) 833
    Percent Reflections(Observed) 92.29
    R-Factor(Observed) 0.22512
    R-Work 0.22262
    R-Free 0.27022
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 24.889
    Anisotropic B[1][1] 0.53
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.53
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.05
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.873
    Number of Reflections(R-Free) 76
    Number of Reflections(R-Work) 1143
    R-Factor(R-Work) 0.301
    R-Factor(R-Free) 0.421
    Percent Reflections(Observed) 95.01
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.16
    r_scbond_it 1.803
    r_mcangle_it 1.345
    r_mcbond_it 0.703
    r_gen_planes_refined 0.007
    r_chiral_restr 0.1
    r_dihedral_angle_4_deg 20.646
    r_dihedral_angle_3_deg 21.173
    r_dihedral_angle_2_deg 34.562
    r_dihedral_angle_1_deg 6.231
    r_angle_refined_deg 1.649
    r_bond_refined_d 0.016
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3779
    Nucleic Acid Atoms 0
    Heterogen Atoms 2
    Solvent Atoms 37
     
     
  •   Software and Computing Hide
    Computing
    Data Collection DNA
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building MOLREP
    data collection DNA