L3 (DF0000362)

CR1 (Chicken Repeat 1) retrotransposon, L3 subfamily


L3 belongs to the CR1 clade of LINE retrotransposons present in mammals, marsupials, birds, reptiles, fishes and insects. L3 is composed of ancient and diverse subfamilies. The ORFs from the ancient, autonomous L3 have been partially reconstructed: ORF1 (~24-1332) and ORF2 (~1611-4405).


  1. The esterase and PHD domains in CR1-like non-LTR retrotransposons.
    Kapitonov VV, Jurka J;
    Mol Biol Evol 2003;20:38-46 Pubmed


Accession Name Wikipedia
Type Retrotransposon Article
Class LINE
Superfamily CR1

Hit Statistics

The model is 4099 positions long. The average length of non-redundant hits to the model is 334.5. This table shows the number of hits above score thresholds:

Species Gathering Trusted
non-redundant all hits non-redundant all hits
Mus musculus 3977 5136 1824 2157
Homo sapiens 23914 38961 16062 22807

External Database Links

  • Repbase : L3 [Requires Repbase registration]