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X-RAY DIFFRACTION
Materials and Methods page
2YEC
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details pH 6.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 65.55 α = 90
    b = 89.38 β = 90
    c = 99.32 γ = 90
     
    Space Group
    Space Group Name:    I 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE (R-AXIS IV)
    Type RIGAKU
    Details OSMIC BLUE MIRRORS
    Collection Date 2002-10-10
     
    Diffraction Radiation
    Monochromator CU FILTER
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH3R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.1
    Resolution(Low) 65.94
    Number Reflections(Observed) 16038
    Percent Possible(Observed) 97.0
    R Merge I(Observed) 0.05
    Redundancy 2.0
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.15
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.42
    Mean I Over Sigma(Observed) 2.5
    Redundancy 2.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.1
    Resolution(Low) 65.94
    Number of Reflections(Observed) 16038
    Number of Reflections(R-Free) 858
    Percent Reflections(Observed) 96.96
    R-Factor(Observed) 0.22506
    R-Work 0.22214
    R-Free 0.28151
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 34.243
    Anisotropic B[1][1] -0.83
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.37
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.54
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.1
    Shell Resolution(Low) 2.154
    Number of Reflections(R-Free) 77
    Number of Reflections(R-Work) 1192
    R-Factor(R-Work) 0.377
    R-Factor(R-Free) 0.421
    Percent Reflections(Observed) 99.84
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.571
    r_scbond_it 2.935
    r_mcangle_it 1.798
    r_mcbond_it 0.987
    r_gen_planes_refined 0.008
    r_chiral_restr 0.116
    r_dihedral_angle_4_deg 22.996
    r_dihedral_angle_3_deg 16.011
    r_dihedral_angle_2_deg 37.315
    r_dihedral_angle_1_deg 6.855
    r_angle_refined_deg 1.879
    r_bond_refined_d 0.021
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1628
    Nucleic Acid Atoms 0
    Heterogen Atoms 21
    Solvent Atoms 161
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) D*TREK
    Data Reduction (data scaling) D*TREK
    Structure Solution AMORE
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building AMORE