Insertion sequence IS1222 ribosomal frameshifting element
In molecular cell biology the Insertion sequence IS1222 ribosomal frameshifting element is an RNA element found in the insertion sequence IS222. The ribosomal frameshifting element stimulates frameshifting which is known to be required for transposition.
Source: Wikipedia — Insertion sequence IS1222 ribosomal frameshifting element (CC BY-SA 4.0)