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X-RAY DIFFRACTION
Materials and Methods page
2ITP
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 1.2M KNA TARTRATE, 0.1M HEPES 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 144.62 α = 90
    b = 144.62 β = 90
    c = 144.62 γ = 90
     
    Space Group
    Space Group Name:    I 2 3
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2005-12-03
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 19-ID
    Wavelength 0.9794
    Site APS
    Beamline 19-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.74
    Resolution(Low) 50
    Number Reflections(Observed) 13390
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.06
    Redundancy 7.2
     
    High Resolution Shell Details
    Resolution(High) 2.74
    Resolution(Low) 2.95
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.37
    Mean I Over Sigma(Observed) 6.1
    Redundancy 7.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.74
    Resolution(Low) 24.8
    Number of Reflections(Observed) 12395
    Number of Reflections(R-Free) 940
    Percent Reflections(Observed) 99.9
    R-Factor(Observed) 0.2
    R-Work 0.196
    R-Free 0.255
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 56.3
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.74
    Shell Resolution(Low) 2.81
    Number of Reflections(R-Free) 74
    Number of Reflections(R-Work) 863
    R-Factor(R-Work) 0.307
    R-Factor(R-Free) 0.347
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.902
    r_scbond_it 2.361
    r_mcangle_it 2.116
    r_mcbond_it 1.138
    r_nbd_refined 0.26
    r_gen_planes_refined 0.007
    r_chiral_restr 0.12
    r_dihedral_angle_4_deg 14.181
    r_dihedral_angle_3_deg 20.532
    r_dihedral_angle_2_deg 40.323
    r_dihedral_angle_1_deg 6.375
    r_angle_refined_deg 1.785
    r_bond_refined_d 0.017
    r_nbtor_refined 0.331
    r_xyhbond_nbd_refined 0.206
    r_symmetry_vdw_refined 0.19
    r_symmetry_hbond_refined 0.128
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2442
    Nucleic Acid Atoms 0
    Heterogen Atoms 33
    Solvent Atoms 65
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) HKL2000
    Structure Solution PHASER
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building PHASER