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X-RAY DIFFRACTION
Materials and Methods page
1ZNN
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION
    pH 7
    Temperature 293.0
    Details PEG 8000, (NH4)2SO4, cacodylate, pH 7.0, VAPOR DIFFUSION, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 162.53 α = 90
    b = 163.92 β = 90
    c = 186.8 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type CUSTOM-MADE
    Details mirrors
    Collection Date 2005-03-17
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 19-ID
    Wavelength List 0.97951
    Site APS
    Beamline 19-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 1.0
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.2
    Resolution(Low) 50
    Number Reflections(All) 125880
    Number Reflections(Observed) 125880
    Percent Possible(Observed) 99.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 2.2
    Resolution(Low) 49.94
    Cut-off Sigma(F) 1.0
    Number of Reflections(all) 125880
    Number of Reflections(Observed) 119560
    Number of Reflections(R-Free) 6320
    Percent Reflections(Observed) 99.94
    R-Factor(All) 0.198
    R-Factor(Observed) 0.16117
    R-Work 0.15925
    R-Free 0.19804
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 40.211
    Anisotropic B[1][1] 0.28
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.97
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.69
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.2
    Shell Resolution(Low) 2.257
    Number of Reflections(R-Free) 475
    Number of Reflections(R-Work) 8760
    R-Factor(R-Work) 0.215
    R-Factor(R-Free) 0.265
    Percent Reflections(Observed) 99.83
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.11
    r_scbond_it 2.587
    r_mcangle_it 1.431
    r_mcbond_it 0.896
    r_nbd_refined 0.212
    r_gen_planes_refined 0.006
    r_chiral_restr 0.11
    r_dihedral_angle_4_deg 18.639
    r_dihedral_angle_3_deg 15.465
    r_dihedral_angle_2_deg 34.378
    r_dihedral_angle_1_deg 6.047
    r_angle_refined_deg 1.564
    r_bond_refined_d 0.017
    r_nbtor_refined 0.306
    r_xyhbond_nbd_refined 0.224
    r_symmetry_vdw_refined 0.347
    r_symmetry_hbond_refined 0.352
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 11034
    Nucleic Acid Atoms 0
    Heterogen Atoms 108
    Solvent Atoms 1507
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution SHELXS
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005