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X-RAY DIFFRACTION
Materials and Methods page
2BTR
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.4
    Details 10 PERCENT PEG4000,50 MM AMMONIUM ACETATE, 50 MM HEPES PH 7.4
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 53.22 α = 90
    b = 71.61 β = 90
    c = 71.59 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1998-11-23
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ELETTRA BEAMLINE 5.2R
    Wavelength 1.0
    Site ELETTRA
    Beamline 5.2R
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.85
    Resolution(Low) 20
    Number Reflections(Observed) 23407
    Percent Possible(Observed) 97.4
    R Merge I(Observed) 0.05
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 1.85
    Resolution(Low) 2.0
    Percent Possible(All) 98.4
    R Merge I(Observed) 0.21
    Mean I Over Sigma(Observed) 4.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 1.85
    Resolution(Low) 20.0
    Number of Reflections(Observed) 22169
    Number of Reflections(R-Free) 1200
    Percent Reflections(Observed) 97.5
    R-Factor(Observed) 0.226
    R-Work 0.223
    R-Free 0.272
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 27.71
    Anisotropic B[1][1] 0.01
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.53
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.52
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.85
    Shell Resolution(Low) 1.9
    Number of Reflections(R-Free) 86
    Number of Reflections(R-Work) 1606
    R-Factor(R-Work) 0.234
    R-Factor(R-Free) 0.31
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.109
    r_scbond_it 2.593
    r_mcangle_it 1.947
    r_mcbond_it 1.104
    r_nbd_refined 0.221
    r_gen_planes_other 0.004
    r_gen_planes_refined 0.008
    r_chiral_restr 0.143
    r_dihedral_angle_1_deg 6.338
    r_angle_other_deg 0.911
    r_angle_refined_deg 1.521
    r_bond_other_d 0.002
    r_bond_refined_d 0.016
    r_nbd_other 0.242
    r_nbtor_other 0.087
    r_xyhbond_nbd_refined 0.125
    r_symmetry_vdw_refined 0.131
    r_symmetry_vdw_other 0.271
    r_symmetry_hbond_refined 0.159
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2215
    Nucleic Acid Atoms 0
    Heterogen Atoms 18
    Solvent Atoms 67
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement REFMAC 5.1.24
     
    Software
    refinement REFMAC version: 5.1.24