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X-RAY DIFFRACTION
Materials and Methods page
3EHI
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8.5
    Temperature 291.0
    Details 2.0M AS, 0.1M Tris pH 8.5, 20mM BME, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 96.05 α = 90
    b = 96.05 β = 90
    c = 80.06 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 225 mm CCD
    Collection Date 2006-12-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 22-BM
    Wavelength List 1.003
    Site APS
    Beamline 22-BM
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2
    Resolution(Low) 50
    Number Reflections(All) 29397
    Number Reflections(Observed) 26021
    Percent Possible(Observed) 88.4
    R Merge I(Observed) 0.047
    Redundancy 11.7
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 40.8
    R Merge I(Observed) 0.459
    Redundancy 2.4
    Number Unique Reflections(All) 1177
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.0
    Resolution(Low) 41.59
    Number of Reflections(all) 29397
    Number of Reflections(Observed) 25970
    Number of Reflections(R-Free) 1321
    Percent Reflections(Observed) 88.4
    R-Factor(Observed) 0.2
    R-Work 0.198
    R-Free 0.238
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 56.7
    Anisotropic B[1][1] 0.13
    Anisotropic B[1][2] 0.06
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.13
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.19
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.05
    Number of Reflections(R-Free) 50
    Number of Reflections(R-Work) 764
    R-Factor(R-Work) 0.287
    R-Factor(R-Free) 0.366
    Percent Reflections(Observed) 37.84
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.568
    r_scbond_it 3.086
    r_mcangle_it 2.035
    r_mcbond_it 1.252
    r_nbd_refined 0.229
    r_gen_planes_refined 0.008
    r_chiral_restr 0.152
    r_dihedral_angle_4_deg 20.269
    r_dihedral_angle_3_deg 18.097
    r_dihedral_angle_2_deg 36.851
    r_dihedral_angle_1_deg 7.498
    r_angle_refined_deg 1.915
    r_bond_refined_d 0.021
    r_nbtor_refined 0.315
    r_xyhbond_nbd_refined 0.184
    r_symmetry_vdw_refined 0.221
    r_symmetry_hbond_refined 0.182
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2220
    Nucleic Acid Atoms 0
    Heterogen Atoms 14
    Solvent Atoms 158
     
     
  •   Software and Computing Hide
    Computing
    Data Collection SERCAT-control
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) HKL
    Structure Solution CNS
    Structure Refinement REFMAC 5.2.0019
     
    Software
    data extraction pdb_extract version: 3.006
    refinement REFMAC5
    data processing HKL