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X-RAY DIFFRACTION
Materials and Methods page
4GHA
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 298.0
    Details 0.1 M Bis-Tris, 2% v/v Tacsimate, 18% PEG 3350, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 36.59 α = 90
    b = 99.19 β = 89.92
    c = 81.8 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 77
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Details Double-crystal, Si(111) liquid N2 cooled
    Collection Date 2011-05-23
     
    Diffraction Radiation
    Monochromator Double-crystal, Si(111) liquid N2 cooled
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 5.0.2
    Wavelength List 1.0000
    Site ALS
    Beamline 5.0.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 1.0
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.5
    Resolution(Low) 81.8
    Number Reflections(Observed) 20261
    R Merge I(Observed) 0.131
    B(Isotropic) From Wilson Plot 17.0
    Redundancy 2.5
     
    High Resolution Shell Details
    Resolution(High) 2.501
    Resolution(Low) 2.566
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.362
    Mean I Over Sigma(Observed) 2.2
    R-Sym I(Observed) 0.362
    Redundancy 2.5
    Number Unique Reflections(All) 988
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 81.8
    Cut-off Sigma(I) 1.0
    Cut-off Sigma(F) 1.0
    Number of Reflections(Observed) 18981
    Number of Reflections(R-Free) 1017
    Percent Reflections(Observed) 98.7
    R-Factor(All) 0.21073
    R-Factor(Observed) 0.21073
    R-Work 0.20867
    R-Free 0.24987
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 17.0
    Anisotropic B[1][1] 0.12
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.36
    Anisotropic B[2][2] -1.3
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.17
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.501
    Shell Resolution(Low) 2.566
    Number of Reflections(Observed) 988
    Number of Reflections(R-Free) 66
    Number of Reflections(R-Work) 1396
    R-Factor(R-Work) 0.27
    R-Factor(R-Free) 0.336
    Percent Reflections(Observed) 96.69
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_rigid_bond_restr 0.561
    r_scangle_it 1.541
    r_scbond_it 0.845
    r_mcangle_it 1.153
    r_mcbond_it 0.632
    r_gen_planes_refined 0.001
    r_chiral_restr 0.028
    r_dihedral_angle_4_deg 9.247
    r_dihedral_angle_3_deg 9.955
    r_dihedral_angle_2_deg 28.227
    r_dihedral_angle_1_deg 2.748
    r_angle_refined_deg 0.448
    r_bond_refined_d 0.001
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3772
    Nucleic Acid Atoms 504
    Heterogen Atoms 0
    Solvent Atoms 156
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0102
     
    Software
    refinement REFMAC version: 5.5.0102
    model building PHASER
    data collection ADSC version: Quantum