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X-RAY DIFFRACTION
Materials and Methods page
3IGU
  •   Crystallization Hide
    Crystallization Experiments
    Method vapor diffusion, hanging drop
    pH 4.1
    Temperature 293.0
    Details PEG3350, citric acid, Bis-Tris propane, pH 4.1, vapor diffusion, hanging drop, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 151.61 α = 90
    b = 113.65 β = 96.14
    c = 68.42 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 270
    Collection Date 2009-06-09
     
    Diffraction Radiation
    Monochromator Si (111) channel
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X6A
    Wavelength List 0.9796
    Site NSLS
    Beamline X6A
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.15
    Resolution(Low) 50
    Number Reflections(Observed) 62455
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.078
    B(Isotropic) From Wilson Plot 44.3
    Redundancy 4.2
     
    High Resolution Shell Details
    Resolution(High) 2.15
    Resolution(Low) 2.23
    Percent Possible(All) 97.4
    R Merge I(Observed) 0.634
    Mean I Over Sigma(Observed) 1.8
    R-Sym I(Observed) 0.634
    Redundancy 3.5
    Number Unique Reflections(All) 6056
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 2.15
    Resolution(Low) 45.98
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 62446
    Number of Reflections(R-Free) 3150
    Percent Reflections(Observed) 99.57
    R-Factor(Observed) 0.166
    R-Work 0.164
    R-Free 0.199
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 28.732
    Anisotropic B[1][1] 0.13
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.16
    Anisotropic B[2][2] -0.07
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.03
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.149
    Shell Resolution(Low) 2.205
    Number of Reflections(R-Free) 223
    Number of Reflections(R-Work) 4172
    R-Factor(R-Work) 0.257
    R-Factor(R-Free) 0.288
    Percent Reflections(Observed) 94.78
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.791
    r_scbond_it 3.391
    r_mcangle_it 3.522
    r_mcbond_it 2.449
    r_gen_planes_refined 0.004
    r_chiral_restr 0.072
    r_dihedral_angle_4_deg 17.49
    r_dihedral_angle_3_deg 13.632
    r_dihedral_angle_2_deg 35.188
    r_dihedral_angle_1_deg 5.637
    r_angle_refined_deg 1.095
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6162
    Nucleic Acid Atoms 0
    Heterogen Atoms 330
    Solvent Atoms 675
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL
    Structure Refinement REFMAC 5.5.0070
     
    Software
    data extraction pdb_extract version: 3.005
    refinement REFMAC5 version: 5.5.0070
    data processing HKL