From: Evidence for common short natural transsense-antisense pairing between transcripts from protein coding genes
Pair length
15
16
17
18
19
20
21
22
23
24
25
ALU
2,087,406
1,511,109
983,923
886,693
653,321
628,201
543,147
419,131
277,987
200,574
178,990
L1
27,739
9,275
7,555
2,507
3,532
1,106
1,111
757
854
531
638