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X-RAY DIFFRACTION
Materials and Methods page
3QQS
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 291.0
    Details 0.2 M cacodylate, 7% PEG6000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 94.93 α = 90
    b = 78.21 β = 111.01
    c = 101.7 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 110
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MAR scanner 345 mm plate
    Collection Date 2009-06-04
     
    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) 1.97
    Resolution(Low) 94.9
    Number Reflections(Observed) 97403
    Percent Possible(Observed) 99.1
    R Merge I(Observed) 0.091
    Redundancy 3.7
     
    High Resolution Shell Details
    Resolution(High) 1.97
    Resolution(Low) 2.08
    Percent Possible(All) 97.8
    R Merge I(Observed) 0.72
    Mean I Over Sigma(Observed) 2.0
    R-Sym I(Observed) 0.84
    Redundancy 3.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.97
    Resolution(Low) 88.75
    Number of Reflections(all) 13968
    Number of Reflections(Observed) 92535
    Number of Reflections(R-Free) 4845
    Percent Reflections(Observed) 98.97
    R-Factor(Observed) 0.21814
    R-Work 0.21592
    R-Free 0.25925
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 26.272
    Anisotropic B[1][1] -0.18
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.33
    Anisotropic B[2][2] -0.88
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.82
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.97
    Shell Resolution(Low) 2.021
    Number of Reflections(R-Free) 345
    Number of Reflections(R-Work) 6708
    R-Factor(R-Work) 0.291
    R-Factor(R-Free) 0.326
    Percent Reflections(Observed) 97.38
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.158
    r_scbond_it 1.994
    r_mcangle_it 1.328
    r_mcbond_it 0.742
    r_gen_planes_refined 0.007
    r_chiral_restr 0.091
    r_dihedral_angle_4_deg 20.11
    r_dihedral_angle_3_deg 14.951
    r_dihedral_angle_2_deg 35.112
    r_dihedral_angle_1_deg 5.675
    r_angle_refined_deg 1.456
    r_bond_refined_d 0.012
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 9898
    Nucleic Acid Atoms 0
    Heterogen Atoms 213
    Solvent Atoms 601
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) SCALA
    Structure Solution molrep
    Structure Refinement REFMAC 5.5.0102
     
    Software
    data extraction pdb_extract version: 3.10
    refinement REFMAC5
    data processing Xscale