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X-RAY DIFFRACTION
Materials and Methods page
4AHW
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 200 MM BISTRISPROPANE PH 7.5, 500 MM NACL, 20% PEG 4000
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 46.3 α = 90
    b = 64.25 β = 90
    c = 104.7 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE (MAR345)
    Type MARRESEARCH
    Details OSMIC MIRRORS
    Collection Date 2009-06-12
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type FR591
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.5
    Resolution(Low) 19.44
    Number Reflections(Observed) 50469
    Percent Possible(Observed) 99.4
    R Merge I(Observed) 0.05
    Redundancy 4.6
     
    High Resolution Shell Details
    Resolution(High) 1.5
    Resolution(Low) 1.58
    Percent Possible(All) 98.5
    R Merge I(Observed) 0.35
    Mean I Over Sigma(Observed) 4.0
    Redundancy 4.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.5
    Resolution(Low) 19.29
    Number of Reflections(Observed) 49565
    Number of Reflections(R-Free) 903
    Percent Reflections(Observed) 99.39
    R-Factor(Observed) 0.13314
    R-Work 0.13239
    R-Free 0.17469
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 16.763
    Anisotropic B[1][1] -1.25
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.4
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.85
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.5
    Shell Resolution(Low) 1.539
    Number of Reflections(R-Free) 73
    Number of Reflections(R-Work) 3513
    R-Factor(R-Work) 0.196
    R-Factor(R-Free) 0.26
    Percent Reflections(Observed) 97.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_rigid_bond_restr 1.528
    r_scangle_it 6.579
    r_scbond_it 5.006
    r_mcangle_it 3.686
    r_mcbond_it 2.569
    r_gen_planes_refined 0.015
    r_chiral_restr 0.125
    r_dihedral_angle_4_deg 25.606
    r_dihedral_angle_3_deg 13.312
    r_dihedral_angle_2_deg 34.114
    r_dihedral_angle_1_deg 7.136
    r_angle_refined_deg 1.681
    r_bond_refined_d 0.011
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1942
    Nucleic Acid Atoms 0
    Heterogen Atoms 14
    Solvent Atoms 387
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution REFMAC5
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building REFMAC5