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An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
3TW0
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 295.0
    Details 20% PEG3000, 0.1 M HEPES, 0.2 M NaCl, 10 mM Spermine-4HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 53.07 α = 74.12
    b = 77.26 β = 87.25
    c = 96.4 γ = 89.99
     
    Space Group
    Space Group Name:    P 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 2010-04-14
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2
    Resolution(Low) 46.3
    Number Reflections(Observed) 88454
    Percent Possible(Observed) 89.0
    R Merge I(Observed) 0.07
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 80.2
    R Merge I(Observed) 0.29
    Mean I Over Sigma(Observed) 4.2
    Redundancy 3.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 46.304
    Number of Reflections(Observed) 84024
    Number of Reflections(R-Free) 4418
    Percent Reflections(Observed) 88.97
    R-Factor(Observed) 0.19987
    R-Work 0.19826
    R-Free 0.23068
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 24.932
    Anisotropic B[1][1] -0.35
    Anisotropic B[1][2] -0.05
    Anisotropic B[1][3] 0.16
    Anisotropic B[2][2] 0.32
    Anisotropic B[2][3] 0.07
    Anisotropic B[3][3] -0.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.052
    Number of Reflections(R-Free) 259
    Number of Reflections(R-Work) 5307
    R-Factor(R-Work) 0.281
    R-Factor(R-Free) 0.307
    Percent Reflections(Observed) 75.92
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.383
    r_scbond_it 2.119
    r_mcangle_it 1.374
    r_mcbond_it 0.766
    r_gen_planes_refined 0.006
    r_chiral_restr 0.098
    r_dihedral_angle_4_deg 18.257
    r_dihedral_angle_3_deg 16.092
    r_dihedral_angle_2_deg 36.996
    r_dihedral_angle_1_deg 6.597
    r_angle_refined_deg 1.465
    r_bond_refined_d 0.014
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 11380
    Nucleic Acid Atoms 0
    Heterogen Atoms 20
    Solvent Atoms 759
     
     
  •   Software and Computing Hide
    Computing
    Data Collection StructureStudio
    Data Reduction (intensity integration) d*TREK
    Data Reduction (data scaling) d*TREK
    Structure Solution Phaser
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building Phaser
    data collection StructureStudio