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X-RAY DIFFRACTION
Materials and Methods page
1A8Y
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details pH 6.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 59.74 α = 90
    b = 145.56 β = 90
    c = 111.79 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 277
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS II
    Details MIRRORS
    Collection Date 1997-03
     
    Diffraction Radiation
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH2R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.4
    Resolution(Low) 15
    Number Reflections(Observed) 14812
    Percent Possible(Observed) 80.1
    R Merge I(Observed) 0.05
    B(Isotropic) From Wilson Plot 23.34
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.5
    Percent Possible(All) 61.7
    R Merge I(Observed) 0.045
    Mean I Over Sigma(Observed) 4.6
    R-Sym I(Observed) 0.303
    Redundancy 2.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MIR
    reflnsShellList 2.4
    Resolution(Low) 10.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 14500
    Number of Reflections(R-Free) 1450
    Percent Reflections(Observed) 78.3
    R-Factor(Observed) 0.188
    R-Work 0.188
    R-Free 0.242
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 16.07
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.12
    x_bond_d 0.013
    x_angle_deg 2.996
    x_dihedral_angle_d 25.2
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2760
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 40
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASER
    Structure Refinement X-PLOR 3.8
     
    Software
    refinement X-PLOR version: 3.8
    model building PHASE