_pdbx_helical_symmetry.entry_id '1ABC' _pdbx_helical_symmetry.number_of_operations 35 _pdbx_helical_symmetry.rotation_per_n_subunits 131.84 _pdbx_helical_symmetry.rise_per_n_subunits 6.10 _pdbx_helical_symmetry.n_subunits_divisor 1 _pdbx_helical_symmetry.dyad_axis no _pdbx_helical_symmetry.circular_symmetry 1