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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4EC4
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.5
    Temperature 293.0
    Details 30% PEG400, 0.2 M sodium citrate, 0.1 M Tris, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 65.42 α = 90
    b = 130.49 β = 90
    c = 215.73 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 ADSC QUANTUM 315r
    Collection Date 2011-11-28
     
    Diffraction Radiation
    Monochromator Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-1
    Wavelength List 0.93340
    Site ESRF
    Beamline ID23-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.3
    Resolution(Low) 51.41
    Number Reflections(All) 28624
    Number Reflections(Observed) 28624
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.258
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 3.3
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.508
    Mean I Over Sigma(Observed) 2.6
    Redundancy 3.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.3
    Resolution(Low) 51.412
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 28624
    Number of Reflections(Observed) 27126
    Number of Reflections(R-Free) 1440
    Percent Reflections(Observed) 99.79
    R-Factor(All) 0.21313
    R-Factor(Observed) 0.21313
    R-Work 0.20979
    R-Free 0.27632
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 29.54
    Anisotropic B[1][1] 2.54
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.63
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.91
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.3
    Shell Resolution(Low) 3.386
    Number of Reflections(R-Free) 90
    Number of Reflections(R-Work) 1975
    R-Factor(R-Work) 0.259
    R-Factor(R-Free) 0.328
    Percent Reflections(Observed) 99.85
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 1.817
    r_scbond_it 1.077
    r_mcangle_it 0.651
    r_mcbond_it 0.332
    r_gen_planes_refined 0.005
    r_chiral_restr 0.091
    r_dihedral_angle_4_deg 13.364
    r_dihedral_angle_3_deg 21.737
    r_dihedral_angle_2_deg 36.246
    r_dihedral_angle_1_deg 5.676
    r_angle_refined_deg 1.283
    r_bond_refined_d 0.009
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8691
    Nucleic Acid Atoms 0
    Heterogen Atoms 562
    Solvent Atoms 96
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    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 ADSC version: Quantum