Data items in the NDB_NA_STRUCT_KEYWDS category record give details about structural features of the NA.
_ndb_na_struct_keywds.entry_id 'UDJ031' _ndb_na_struct_keywds.conformation_type B _ndb_na_struct_keywds.strand_description 'DOUBLE HELIX' _ndb_na_struct_keywds.special_feature ; FLIPPED-OUT BASES, INTERMOLECULAR BASE TRIPLET ;