|  |  | cDNA-based alignment | Repeat-based alignment | ||
---|---|---|---|---|---|---|
Ex15/Er10 Subtype | Intron types | # Genes | # Exon Patterns | Elements Present* | # Exon Patterns | Elements Present+ |
a | γ | 2 | 1 | 5, 6, 10, 11, 14–16, 20–24 | 1 | 3, 4, 7, 9–16, 18–25 |
b | α,β,ε | 19 | 7 | 13–15, 19, 20 | 5 | 8–11, 14, 25 |
c | α | 6 | 3 | 10, 13–17, 22 | 3 | 8–11, 14, 16, 17, 21, 22 |
d | α,ε | 39 | 4 | 10, 13–20, | 2 | 8–11, 14, 16, 17, 21–25 |
e | α,γ,δ | 29 | 7 | 13–15, 19–20 | 4 | 8–11, 14, 25 |
f | β | 4 | 2 | 12–17, 19–20 | 1 | 8–11, 14, 16, 17, 21, 23–25 |
g | γ | 2 | 2 | 5, 6, 10, 11, 14–16, 20–22 | 2 | 3, 4, 7, 9–11 |
0 | α,ε,γ | 20 | 2 | 10, 18–22 | 1 | 22–25 |