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X-RAY DIFFRACTION
Materials and Methods page
4GRA
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 8
    Temperature 294.0
    Details 0.1M Tris PH 8.0, 20% PEG, VAPOR DIFFUSION, SITTING DROP, temperature 294K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 48.3 α = 90
    b = 122.43 β = 92.12
    c = 55.02 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Collection Date 2011-03-25
     
    Diffraction Radiation
    Monochromator Double silicon(111) crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X29A
    Wavelength List 1.075
    Site NSLS
    Beamline X29A
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.56
    Resolution(Low) 50
    Number Reflections(Observed) 20267
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.108
    Redundancy 6.0
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.64
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.355
    Mean I Over Sigma(Observed) 4.5
    Redundancy 5.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.56
    Resolution(Low) 48.31
    Number of Reflections(Observed) 16784
    Number of Reflections(R-Free) 913
    Percent Reflections(Observed) 86.28
    R-Factor(Observed) 0.21633
    R-Work 0.2136
    R-Free 0.26613
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 35.669
    Anisotropic B[1][1] 1.55
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -2.48
    Anisotropic B[2][2] -1.72
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.564
    Shell Resolution(Low) 2.63
    Number of Reflections(R-Free) 45
    Number of Reflections(R-Work) 751
    R-Factor(R-Work) 0.226
    R-Factor(R-Free) 0.266
    Percent Reflections(Observed) 52.86
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.005
    r_chiral_restr 0.078
    r_dihedral_angle_4_deg 17.569
    r_dihedral_angle_3_deg 16.932
    r_dihedral_angle_2_deg 33.732
    r_dihedral_angle_1_deg 5.258
    r_angle_refined_deg 1.262
    r_bond_refined_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4649
    Nucleic Acid Atoms 0
    Heterogen Atoms 54
    Solvent Atoms 80
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CBASS
    Data Reduction (intensity integration) HKL-3000
    Data Reduction (data scaling) HKL-3000
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.7.0025
     
    Software
    refinement REFMAC version: 5.7.0025
    model building MOLREP
    data collection CBASS