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X-RAY DIFFRACTION
Materials and Methods page
1N32
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 277.0
    Details MPD, NH4Cl, KCl, CaCl2, magnesium acetate, potassium-MES, sodium cacodylate, PH 6.5, VAPOR DIFFUSION, HANGING DROP AT 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 400.3 α = 90
    b = 400.3 β = 90
    c = 175.48 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 90
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2001-05-05
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.9797
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.99
    Resolution(Low) 141.42
    Number Reflections(Observed) 272610
    Percent Possible(Observed) 95.5
    B(Isotropic) From Wilson Plot 75.175
    Redundancy 3.52
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.11
    Percent Possible(All) 80.1
    Mean I Over Sigma(Observed) 2.0
    R-Sym I(Observed) 0.564
    Redundancy 2.91
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIFFERENCE FOURIER
    reflnsShellList 3.0
    Resolution(Low) 141.42
    Number of Reflections(Observed) 258651
    Number of Reflections(R-Free) 13151
    Percent Reflections(Observed) 91.9
    R-Factor(Observed) 0.227
    R-Work 0.227
    R-Free 0.27
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 70.51
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.0
    Shell Resolution(Low) 3.11
    Number of Reflections(R-Free) 1119
    Number of Reflections(R-Work) 20326
    R-Factor(R-Work) 0.3501
    R-Factor(R-Free) 0.3638
    Percent Reflections(Observed) 77.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.56
    c_bond_d 0.006
    c_angle_deg 1.21
    c_dihedral_angle_d 28.45
     
    Coordinate Error
    Luzzati ESD(Observed) 0.39
    Luzzati Sigma A(Observed) 0.56
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.46
    Luzzati Sigma A(R-Free Set) 0.56
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 19170
    Nucleic Acid Atoms 32903
    Heterogen Atoms 202
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data reduction SCALEPACK
    data collection DENZO