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X-RAY DIFFRACTION
Materials and Methods page
1DM2
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.4
    Temperature 278.0
    Details HEPES, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 278K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 53.39 α = 90
    b = 70.67 β = 90
    c = 72.26 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 120
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS II
    Collection Date 1997-02-05
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 1.0
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.1
    Resolution(Low) 30
    Number Reflections(All) 51723
    Number Reflections(Observed) 16264
    Percent Possible(Observed) 98.1
    R Merge I(Observed) 0.048
    B(Isotropic) From Wilson Plot 13.3
    Redundancy 3.2
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.16
    Percent Possible(All) 86.6
    R Merge I(Observed) 0.223
    Redundancy 2.1
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.1
    Resolution(Low) 30.0
    Cut-off Sigma(I) 1.0
    Cut-off Sigma(F) 1.0
    Number of Reflections(all) 16229
    Number of Reflections(Observed) 16228
    Number of Reflections(R-Free) 1647
    R-Factor(All) 0.228
    R-Factor(Observed) 0.192
    R-Work 0.192
    R-Free 0.267
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 34.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.67
    x_bond_d 0.008
    x_angle_deg 1.27
    x_dihedral_angle_d 25.36
     
    Coordinate Error
    Luzzati Sigma A(Observed) 0.33
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2208
    Nucleic Acid Atoms 0
    Heterogen Atoms 35
    Solvent Atoms 85
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR version: 3.851
    model building X-PLOR