Long Interspersed Element

**Semantic type:** Nucleotide Sequence

**Definition:** A highly repetitive retrotransposon-like sequence that is 6000-8000 base pairs in length. It may contain an RNA polymerase II promoter domain, repetitive target sequences, and open reading frames encoding proteins with endonuclease and reverse transcriptase activity.

**Synonyms:** - LINE - LINES - Long Interspersed Nucleotide Elements