X22_DNA (DF0001248)

Repetitive element conserved in all mammals.


40 bp TIRs. Classification only based on apparent TA TSDs, though these could be part of the termini. Copies at orthologous sites in all mammals. A few copies appear in crocodilians too (propably independent invasion).


  1. Distinct groups of repetitive families preserved in mammals correspond to different periods of regulatory innovations in vertebrates.
    Jurka J, Bao W, Kojima KK, Kohany O, Yurka MG;
    Biol Direct 2012;7:36-36. Pubmed


Accession Name Wikipedia
Type DNA Transposon Article
Class Cut and Paste
Superfamily TcMar?

Note: Uncertain classification.

Hit Statistics

The model is 154 positions long. The average length of non-redundant hits to the model is 140.2. This table shows the number of hits above score thresholds:

Species Gathering Trusted
non-redundant all hits non-redundant all hits
Mus musculus 14 20 14 15
Homo sapiens 37 45 19 21

External Database Links

  • Repbase : X22_DNA [Requires Repbase registration]