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X-RAY DIFFRACTION
Materials and Methods page
1N1J
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 298.0
    Details PEG 4000, magnesium acetate, sodium hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 51.62 α = 90
    b = 60.35 β = 90
    c = 61.65 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 CCD
    Type MARRESEARCH
    Collection Date 2001-11-18
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM30A
    Wavelength List 0.920023
    Site ESRF
    Beamline BM30A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.67
    Resolution(Low) 50
    Number Reflections(All) 23068
    Number Reflections(Observed) 22726
    Percent Possible(Observed) 98.5
    B(Isotropic) From Wilson Plot 18.1
    Redundancy 4.9
     
    High Resolution Shell Details
    Resolution(High) 1.67
    Resolution(Low) 1.71
    Percent Possible(All) 99.6
    Mean I Over Sigma(Observed) 17.3
    R-Sym I(Observed) 0.053
    Redundancy 2.5
    Number Unique Reflections(All) 1486
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.67
    Resolution(Low) 24.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 22945
    Number of Reflections(Observed) 22463
    Number of Reflections(R-Free) 1095
    Percent Reflections(Observed) 97.9
    R-Work 0.181
    R-Free 0.206
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 17.5
    Anisotropic B[1][1] -0.69
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.67
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.98
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.67
    Shell Resolution(Low) 1.77
    Number of Reflections(R-Free) 178
    Number of Reflections(R-Work) 3498
    R-Factor(R-Work) 0.2
    R-Factor(R-Free) 0.23
    R-Free Error 0.017
    Percent Reflections(Observed) 98.3
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.18
    c_scbond_it 2.2
    c_mcangle_it 1.51
    c_mcbond_it 1.08
    c_improper_angle_d 0.87
    c_dihedral_angle_d 19.5
    c_angle_deg 1.1
    c_bond_d 0.006
     
    Coordinate Error
    Luzzati ESD(Observed) 0.16
    Luzzati Sigma A(Observed) 0.01
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.19
    Luzzati Sigma A(R-Free Set) 0.05
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1337
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 299
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) PRODC
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SHARP
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building SHARP
    data reduction SCALEPACK
    data collection PRODC