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X-RAY DIFFRACTION
Materials and Methods page
1EMU
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.5
    Temperature 293.0
    Details MES, PEG 400, glycerol, DTT, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 30.6 α = 90
    b = 69.98 β = 90
    c = 71.96 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
    Diffrn ID 2
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 2000-02-25
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2000-02-02
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-1
    Wavelength 0.97
    Site SSRL
    Beamline BL9-1
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-2
    Wavelength 0.98
    Site SSRL
    Beamline BL9-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.9
    Resolution(Low) 32
    Number Reflections(Observed) 12617
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.05
    B(Isotropic) From Wilson Plot 14.9
    Redundancy 3.2
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 1.93
    Percent Possible(All) 99.7
    R Merge I(Observed) 0.295
    Redundancy 3.0
    Number Unique Reflections(All) 611
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.9
    Resolution(Low) 32.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 12069
    Number of Reflections(R-Free) 1199
    Percent Reflections(Observed) 95.0
    R-Factor(Observed) 0.205
    R-Work 0.205
    R-Free 0.221
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 27.4
    Anisotropic B[1][1] -1.42
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -3.13
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 4.55
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 2.02
    Number of Reflections(R-Free) 187
    Number of Reflections(R-Work) 1609
    R-Factor(R-Work) 0.225
    R-Factor(R-Free) 0.254
    R-Free Error 0.019
    Percent Reflections(Observed) 86.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 4.38
    c_scbond_it 2.72
    c_mcangle_it 2.88
    c_mcbond_it 2.02
    c_improper_angle_d 0.72
    c_dihedral_angle_d 18.4
    c_angle_deg 1.1
    c_bond_d 0.006
     
    Coordinate Error
    Luzzati ESD(Observed) 0.2
    Luzzati Sigma A(Observed) 0.1
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.22
    Luzzati Sigma A(R-Free Set) 0.14
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1197
    Nucleic Acid Atoms 0
    Heterogen Atoms 42
    Solvent Atoms 61
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 0.5
     
    Software
    refinement CNS version: 0.5
    model building CNS