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X-RAY DIFFRACTION
Materials and Methods page
3CM3
  •   Crystallization Hide
    Crystallization Experiments
    Method Batch
    pH 8
    Temperature 297.0
    Details 62% PEG 400, 0.1M Tris pH 8 , Batch, temperature 297K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.82 α = 90
    b = 38.69 β = 90
    c = 134.99 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC Q-270
    Details Horizontal bent Si(111), asymmetrically cut with water cooled Cu Block. Rh-coated Si mirror for vertical focusing.
    Collection Date 2007-10-20
     
    Diffraction Radiation
    Monochromator Si 111
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE F1
    Wavelength List 0.918
    Site CHESS
    Beamline F1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.32
    Resolution(Low) 20
    Number Reflections(All) 39499
    Number Reflections(Observed) 35905
    Percent Possible(Observed) 90.9
    B(Isotropic) From Wilson Plot 19.326
    Redundancy 15.7
     
    High Resolution Shell Details
    Resolution(High) 1.32
    Resolution(Low) 1.37
    Percent Possible(All) 51.4
    Mean I Over Sigma(Observed) 2.5
    R-Sym I(Observed) 0.357
    Redundancy 4.4
    Number Unique Reflections(All) 3868
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.32
    Resolution(Low) 14.11
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 37455
    Number of Reflections(Observed) 33998
    Number of Reflections(R-Free) 1800
    Percent Reflections(Observed) 90.77
    R-Factor(All) 0.1717
    R-Factor(Observed) 0.1717
    R-Work 0.17098
    R-Free 0.18458
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Anisotropic
    Mean Isotropic B Value 26.352
    Anisotropic B[1][1] 0.0
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.0
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.32
    Shell Resolution(Low) 1.357
    Number of Reflections(Observed) 1250
    Number of Reflections(R-Free) 65
    Number of Reflections(R-Work) 1248
    R-Factor(R-Work) 0.362
    R-Factor(R-Free) 0.384
    Percent Reflections(Observed) 46.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 6.064
    r_scbond_it 3.739
    r_mcangle_it 3.819
    r_mcbond_it 2.158
    r_symmetry_hbond_refined 0.229
    r_bond_refined_d 0.008
    r_angle_refined_deg 1.186
    r_dihedral_angle_1_deg 5.494
    r_dihedral_angle_2_deg 36.513
    r_dihedral_angle_3_deg 15.109
    r_dihedral_angle_4_deg 17.492
    r_chiral_restr 0.076
    r_gen_planes_refined 0.005
    r_nbd_refined 0.257
    r_nbtor_refined 0.32
    r_xyhbond_nbd_refined 0.242
    r_symmetry_vdw_refined 0.207
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1321
    Nucleic Acid Atoms 0
    Heterogen Atoms 13
    Solvent Atoms 300
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019