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X-RAY DIFFRACTION
Materials and Methods page
1FM6
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 295.0
    Details 17% PEG 4K, 200mM NaSCN, 8% Ethylene Glycol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 49.26 α = 90
    b = 222.36 β = 98.59
    c = 55.29 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 93
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 1999-06-01
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 17-ID
    Wavelength 1
    Site APS
    Beamline 17-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.1
    Resolution(Low) 20
    Number Reflections(Observed) 64772
    Percent Possible(Observed) 94.9
    R Merge I(Observed) 0.049
    B(Isotropic) From Wilson Plot 24.7
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.1
    Resolution(Low) 20.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 59851
    Number of Reflections(R-Free) 6054
    Percent Reflections(Observed) 87.8
    R-Factor(Observed) 0.25
    R-Work 0.25
    R-Free 0.292
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 55.5
    Anisotropic B[1][1] 28.2
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 6.25
    Anisotropic B[2][2] -14.96
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -13.24
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.1
    Shell Resolution(Low) 2.23
    Number of Reflections(R-Free) 898
    Number of Reflections(R-Work) 7798
    R-Factor(R-Work) 0.386
    R-Factor(R-Free) 0.386
    R-Free Error 0.013
    Percent Reflections(Observed) 76.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.03
    c_dihedral_angle_d 21.1
    c_angle_deg 1.5
    c_bond_d 0.011
     
    Coordinate Error
    Luzzati ESD(Observed) 0.34
    Luzzati Sigma A(Observed) 0.5
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.39
    Luzzati Sigma A(R-Free Set) 0.48
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8292
    Nucleic Acid Atoms 0
    Heterogen Atoms 94
    Solvent Atoms 452
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MAR
    Data Reduction (data scaling) HKL-2000
    Structure Solution AMORE
    Structure Refinement CNS 0.5
     
    Software
    refinement CNS version: 0.5
    model building AMORE