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X-RAY DIFFRACTION
Materials and Methods page
1NHV
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 295.0
    Details 18% (w/v) PEG 4000, 0.3 M NaCl, 0.1 M sodium acetate buffer (pH = 5.0), 5 mM 2-mercaptoethanol, VAPOR DIFFUSION, HANGING DROP, temperature 295K, pH 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 85.5 α = 90
    b = 107.83 β = 90
    c = 126.54 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 105
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Details mirrors
    Collection Date 2001-02-07
     
    Diffraction Radiation
    Monochromator mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU300
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.9
    Resolution(Low) 40
    Number Reflections(All) 25058
    Number Reflections(Observed) 25058
    Percent Possible(Observed) 94.2
    B(Isotropic) From Wilson Plot 51.8
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.0
    Percent Possible(All) 86.2
    Mean I Over Sigma(Observed) 3.2
    R-Sym I(Observed) 0.353
    Redundancy 2.8
    Number Unique Reflections(All) 2263
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.9
    Resolution(Low) 39.74
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 25058
    Number of Reflections(Observed) 25058
    Number of Reflections(R-Free) 1315
    Percent Reflections(Observed) 94.1
    R-Factor(All) 0.252
    R-Factor(Observed) 0.251
    R-Work 0.25
    R-Free 0.28
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 32.4
    Anisotropic B[1][1] -8.73
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 22.92
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -14.19
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.9
    Shell Resolution(Low) 3.08
    Number of Reflections(R-Free) 218
    Number of Reflections(R-Work) 3469
    R-Factor(R-Work) 0.33
    R-Factor(R-Free) 0.358
    R-Free Error 0.024
    Percent Reflections(Observed) 84.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.8
    c_scbond_it 1.74
    c_mcangle_it 2.16
    c_mcbond_it 1.25
    c_improper_angle_d 0.87
    c_bond_d 0.008
    c_angle_deg 1.3
    c_dihedral_angle_d 22.0
     
    Coordinate Error
    Luzzati ESD(R-Free Set) 0.47
    Luzzati Sigma A(R-Free Set) 0.53
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8705
    Nucleic Acid Atoms 0
    Heterogen Atoms 74
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) R-AXIS
    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 R-AXIS