Table 1.

Summary of Mobile Elements in the Human Genome

Element Percent of total genome Copy number
L1 (LINE)16.90.5 × 106
Alu (SINE)10.61.1 × 106
L2 (LINE)3.20.3 × 106
MIR (SINE)2.50.46 × 106
LTR elements8.30.3 × 106
DNA elements2.80.3 × 106
Processed pseudogenes<1.01–2 × 104
Total∼45∼3 × 106