loop_
    _pdbx_virtual_angle.atom_site_id_1
    _pdbx_virtual_angle.atom_site_id_2
    _pdbx_virtual_angle.atom_site_id_3
    _pdbx_virtual_angle.model_id
    _pdbx_virtual_angle.value
    _pdbx_virtual_angle.site_symmetry_1
    _pdbx_virtual_angle.site_symmetry_2
    _pdbx_virtual_angle.site_symmetry_3
     1   15  20  1 111.6  1_555  1_555  1_555
    # - - - - data truncated for brevity - - - -
      





