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X-RAY DIFFRACTION
Materials and Methods page
4IKJ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 291.0
    Details 10mg/mL wtTTR, 0.2M Calcium chloride, 0.1M HEPES sodium pH 7.5, 28% v/v Polyethylene glycol 400 (Hampton Research's Crystal Screen I, #14), VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 42.42 α = 90
    b = 83.49 β = 90
    c = 63.87 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MAR CCD 165 mm
    Collection Date 2008-09-16
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type LNLS BEAMLINE D03B-MX1
    Wavelength List 1.4250
    Site LNLS
    Beamline D03B-MX1
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.1
    Resolution(Low) 63.89
    Number Reflections(All) 13202
    Number Reflections(Observed) 13202
    Percent Possible(Observed) 95.9
    R Merge I(Observed) 0.077
    Redundancy 3.0
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.21
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.231
    Mean I Over Sigma(Observed) 3.1
    R-Sym I(Observed) 0.231
    Redundancy 2.9
    Number Unique Reflections(All) 1974
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.1
    Resolution(Low) 19.84
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 13182
    Number of Reflections(R-Free) 777
    Percent Reflections(Observed) 95.42
    R-Factor(Observed) 0.2014
    R-Work 0.1981
    R-Free 0.2572
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 24.1206
    Anisotropic B[1][1] 3.75
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -2.87
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.88
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.1
    Shell Resolution(Low) 2.155
    Number of Reflections(R-Free) 55
    Number of Reflections(R-Work) 938
    R-Factor(R-Work) 0.222
    R-Factor(R-Free) 0.223
    Percent Reflections(Observed) 99.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.729
    r_scbond_it 1.72
    r_mcangle_it 1.276
    r_mcbond_it 0.683
    r_gen_planes_refined 0.007
    r_chiral_restr 0.078
    r_dihedral_angle_4_deg 17.927
    r_dihedral_angle_3_deg 17.3
    r_dihedral_angle_2_deg 34.953
    r_dihedral_angle_1_deg 5.874
    r_angle_refined_deg 1.501
    r_bond_refined_d 0.011
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1785
    Nucleic Acid Atoms 0
    Heterogen Atoms 50
    Solvent Atoms 155
     
     
  •   Software and Computing Hide
    Computing
    Data Collection MAR345dtb
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0102
     
    Software
    data extraction pdb_extract version: 3.11
    refinement REFMAC5
    molecular replacement MOLREP
    data reduction SCALA version: 3.2.25
    data collection Mosflm