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X-RAY DIFFRACTION
Materials and Methods page
3QSA
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 291.0
    Details 0.2M imidazole malate, 5% glycerol, 10% PEG-4000, Seeded, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.07 α = 90
    b = 91.46 β = 90
    c = 120.5 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 110
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MAR scanner 345 mm plate
    Collection Date 2009-08-21
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type OTHER
    Wavelength List 1.541790
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.18
    Resolution(Low) 72.85
    Number Reflections(All) 46372
    Number Reflections(Observed) 46372
    Percent Possible(Observed) 100.0
    R Merge I(Observed) 0.238
    Redundancy 7.2
     
    High Resolution Shell Details
    Resolution(High) 2.18
    Resolution(Low) 2.3
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.011
    Mean I Over Sigma(Observed) 0.7
    Redundancy 7.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.18
    Resolution(Low) 72.85
    Number of Reflections(all) 46314
    Number of Reflections(Observed) 44019
    Number of Reflections(R-Free) 2286
    Percent Reflections(Observed) 99.98
    R-Factor(Observed) 0.19972
    R-Work 0.1968
    R-Free 0.25726
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 21.744
    Anisotropic B[1][1] -0.78
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.83
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.06
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.18
    Shell Resolution(Low) 2.237
    Number of Reflections(R-Free) 170
    Number of Reflections(R-Work) 3222
    R-Factor(R-Work) 0.248
    R-Factor(R-Free) 0.326
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.78
    r_scbond_it 2.317
    r_mcangle_it 1.403
    r_mcbond_it 0.745
    r_gen_planes_refined 0.007
    r_chiral_restr 0.094
    r_dihedral_angle_4_deg 19.983
    r_dihedral_angle_3_deg 14.116
    r_dihedral_angle_2_deg 31.913
    r_dihedral_angle_1_deg 5.739
    r_angle_refined_deg 1.468
    r_bond_refined_d 0.013
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 5027
    Nucleic Acid Atoms 0
    Heterogen Atoms 82
    Solvent Atoms 366
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0102
     
    Software
    data extraction pdb_extract version: 3.10
    refinement REFMAC5
    molecular replacement MOLREP
    data processing SCALA version: 3.3.15