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X-RAY DIFFRACTION
Materials and Methods page
4CQN
  •   Crystallization Hide
    Crystallization Experiments
    pH 5.5
    Details 0.1 M BIS-TRIS (PH 5.5), 23-25 % PEG 3350, 0-200 MM AMMONIUM ACETATE
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 155.62 α = 90
    b = 67.58 β = 105
    c = 224.59 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (QUANTUM 315R)
    Type ADSC
    Collection Date 2012-05-11
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.93929
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.5
    Resolution(Low) 15
    Number Reflections(Observed) 76242
    Percent Possible(Observed) 97.1
    R Merge I(Observed) 0.17
    Redundancy 3.2
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.57
    Percent Possible(All) 98.7
    R Merge I(Observed) 0.68
    Mean I Over Sigma(Observed) 1.8
    Redundancy 3.18
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 46.49
    Number of Reflections(Observed) 72414
    Number of Reflections(R-Free) 3828
    Percent Reflections(Observed) 97.09
    R-Factor(Observed) 0.21759
    R-Work 0.21373
    R-Free 0.2902
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 49.695
    Anisotropic B[1][1] -2.69
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.29
    Anisotropic B[2][2] 0.66
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.71
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.5
    Shell Resolution(Low) 2.565
    Number of Reflections(R-Free) 292
    Number of Reflections(R-Work) 5361
    R-Factor(R-Work) 0.337
    R-Factor(R-Free) 0.396
    Percent Reflections(Observed) 98.67
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.007
    r_chiral_restr 0.1
    r_dihedral_angle_4_deg 17.544
    r_dihedral_angle_3_deg 20.508
    r_dihedral_angle_2_deg 38.255
    r_dihedral_angle_1_deg 6.988
    r_angle_refined_deg 1.502
    r_bond_refined_d 0.01
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 13669
    Nucleic Acid Atoms 3446
    Heterogen Atoms 128
    Solvent Atoms 306
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement REFMAC 5.7.0029
     
    Software
    refinement REFMAC version: 5.7.0029
    model building PHASER