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An Information Portal to 105025 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4IUN
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 277.0
    Details 40% MPD, 25 mM potassium phosphate, calcium chloride, pdTp, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 30.86 α = 90
    b = 59.47 β = 97.94
    c = 34.46 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type APEX II CCD
    Details multi-layer optics
    Collection Date 2012-12-04
     
    Diffraction Radiation
    Monochromator Ge(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SEALED TUBE
    Type MICROSOURCE
    Wavelength List 1.54
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.6
    Resolution(Low) 50
    Number Reflections(All) 16317
    Number Reflections(Observed) 16317
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.021
    B(Isotropic) From Wilson Plot 20.4
    Redundancy 10.13
     
    High Resolution Shell Details
    Resolution(High) 1.6
    Resolution(Low) 1.63
    Percent Possible(All) 95.3
    R Merge I(Observed) 0.2199
    Mean I Over Sigma(Observed) 4.49
    Redundancy 2.55
    Number Unique Reflections(All) 572
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.6
    Resolution(Low) 34.13
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 16297
    Number of Reflections(Observed) 16297
    Number of Reflections(R-Free) 825
    Percent Reflections(Observed) 99.77
    R-Factor(All) 0.1518
    R-Factor(Observed) 0.1518
    R-Work 0.1503
    R-Free 0.1789
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 14.7204
    Anisotropic B[1][1] 0.03
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.11
    Anisotropic B[2][2] 0.45
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.48
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.6
    Shell Resolution(Low) 1.642
    Number of Reflections(R-Free) 65
    Number of Reflections(R-Work) 1121
    R-Factor(R-Work) 0.166
    R-Factor(R-Free) 0.203
    Percent Reflections(Observed) 97.61
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.004
    r_gen_planes_refined 0.012
    r_chiral_restr 0.107
    r_dihedral_angle_4_deg 10.562
    r_dihedral_angle_3_deg 13.903
    r_dihedral_angle_2_deg 36.264
    r_dihedral_angle_1_deg 6.043
    r_angle_other_deg 0.886
    r_angle_refined_deg 1.942
    r_bond_other_d 0.001
    r_bond_refined_d 0.018
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1083
    Nucleic Acid Atoms 0
    Heterogen Atoms 39
    Solvent Atoms 138
     
     
  •   Software and Computing Hide
    Computing
    Data Collection APEX
    Data Reduction (intensity integration) SAINT
    Data Reduction (data scaling) SAINT
    Structure Solution PHASER
    Structure Refinement REFMAC 5.7.0029
     
    Software
    data extraction pdb_extract version: 3.11
    refinement REFMAC5
    molecular replacement Phaser version: 2.3.0
    data reduction SAINT