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X-RAY DIFFRACTION
Materials and Methods page
3TPB
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 298.0
    Details 14% PEG 8000, 20% glycerol and 0.04 M potassium phosphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 48.43 α = 90
    b = 84.5 β = 89.94
    c = 50 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2009-12-12
     
    Diffraction Radiation
    Monochromator graphite
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.3.1
    Wavelength List 1.02
    Site ALS
    Beamline 8.3.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.88
    Resolution(Low) 84.5
    Number Reflections(Observed) 29360
    Percent Possible(Observed) 99.0
    B(Isotropic) From Wilson Plot 22.0
     
    High Resolution Shell Details
    Resolution(High) 1.88
    Resolution(Low) 1.92
    Percent Possible(All) 99.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.88
    Resolution(Low) 50.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 29361
    Number of Reflections(Observed) 29360
    Number of Reflections(R-Free) 2929
    Percent Reflections(Observed) 89.4
    R-Factor(All) 0.191
    R-Factor(Observed) 0.192
    R-Work 0.192
    R-Free 0.243
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 30.8
    Anisotropic B[1][1] -9.27
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.59
    Anisotropic B[2][2] 1.06
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 8.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.94
    c_dihedral_angle_d 23.3
    c_angle_deg 1.5
    c_bond_d 0.009
     
    Coordinate Error
    Luzzati ESD(Observed) 0.2
    Luzzati Sigma A(Observed) 0.14
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.25
    Luzzati Sigma A(R-Free Set) 0.19
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3178
    Nucleic Acid Atoms 0
    Heterogen Atoms 11
    Solvent Atoms 245
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution Molrep
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building Molrep
    data collection ADSC version: Quantum