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An Information Portal to 110790 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4IWV
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.4
    Temperature 292.0
    Details 20% glucose, 10-18% Peg8000, 200mM sodium acetate, MMT 100mM pH7.0-8.5, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 292K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 77.94 α = 90
    b = 77.94 β = 90
    c = 85.35 γ = 90
     
    Space Group
    Space Group Name:    P 41
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 200
     
    Diffraction Detector
    Detector CCD
    Type RIGAKU SATURN 944
    Details Osmic VariMax HF mirrors
    Collection Date 2008-09-09
     
    Diffraction Radiation
    Monochromator Graded, multilayer confocal mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU FR-E DW
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.1
    Resolution(Low) 55
    Number Reflections(All) 29845
    Number Reflections(Observed) 28409
    Percent Possible(Observed) 95.2
    R Merge I(Observed) 0.052
    B(Isotropic) From Wilson Plot 27.84
    Redundancy 2.43
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.18
    Percent Possible(All) 73.4
    R Merge I(Observed) 0.275
    Mean I Over Sigma(Observed) 2.0
    Redundancy 2.1
    Number Unique Reflections(All) 2825
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.1
    Resolution(Low) 37.46
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 29845
    Number of Reflections(Observed) 26853
    Number of Reflections(R-Free) 1450
    Percent Reflections(Observed) 94.83
    R-Factor(All) 0.20165
    R-Factor(Observed) 0.20165
    R-Work 0.19897
    R-Free 0.24982
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 44.59
    Anisotropic B[1][1] -1.08
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.08
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 2.16
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.1
    Shell Resolution(Low) 2.155
    Number of Reflections(R-Free) 63
    Number of Reflections(R-Work) 1503
    R-Factor(R-Work) 0.261
    R-Factor(R-Free) 0.262
    Percent Reflections(Observed) 71.41
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.007
    r_chiral_restr 0.11
    r_dihedral_angle_4_deg 21.455
    r_dihedral_angle_3_deg 16.662
    r_dihedral_angle_2_deg 38.703
    r_dihedral_angle_1_deg 6.787
    r_angle_other_deg 0.888
    r_angle_refined_deg 1.854
    r_bond_other_d 0.001
    r_bond_refined_d 0.016
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3457
    Nucleic Acid Atoms 0
    Heterogen Atoms 46
    Solvent Atoms 151
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CrystalClear
    Data Reduction (intensity integration) d*TREK
    Data Reduction (data scaling) d*TREK
    Structure Solution AMoRE
    Structure Refinement REFMAC 5.7.0032
     
    Software
    refinement REFMAC version: 5.7.0032
    model building AMoRE
    data collection CrystalClear