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X-RAY DIFFRACTION
Materials and Methods page
2NTZ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 298.0
    Details MPD, MES 6.5, Magnesium chloride, sodium chloride, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 144.42 α = 90
    b = 144.42 β = 90
    c = 78.88 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Details mirrors
    Collection Date 2004-10-23
     
    Diffraction Radiation
    Monochromator graphite
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.1
    Wavelength 0.989
    Site ALS
    Beamline 8.2.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.35
    Resolution(Low) 129.1
    Number Reflections(All) 15990
    Number Reflections(Observed) 15703
    Percent Possible(Observed) 98.2
    B(Isotropic) From Wilson Plot 89.0
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 3.35
    Resolution(Low) 3.5
    Percent Possible(All) 94.0
    Mean I Over Sigma(Observed) 2.2
    R-Sym I(Observed) 0.333
    Redundancy 2.0
    Number Unique Reflections(All) 2177
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.35
    Resolution(Low) 66.72
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 15990
    Number of Reflections(Observed) 13749
    Number of Reflections(R-Free) 692
    Percent Reflections(Observed) 98.8
    R-Factor(All) 0.29
    R-Factor(Observed) 0.288
    R-Work 0.288
    R-Free 0.336
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 145.7
    Anisotropic B[1][1] 4.1
    Anisotropic B[1][2] 13.58
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 4.1
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -8.21
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.35
    Shell Resolution(Low) 3.56
    Number of Reflections(R-Free) 109
    Number of Reflections(R-Work) 2172
    R-Factor(R-Work) 0.356
    R-Factor(R-Free) 0.389
    R-Free Error 0.037
    Percent Reflections(Observed) 99.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 2.94
    c_dihedral_angle_d 32.2
    c_angle_deg 1.8
    c_bond_d 0.012
     
    Coordinate Error
    Luzzati ESD(Observed) 0.46
    Luzzati Sigma A(Observed) 0.14
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.61
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2844
    Nucleic Acid Atoms 1300
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC QUANTUM
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution EPMR
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1