Table 2 Average base composition (%) of RNA genes and non-coding regions in mt genomes of 250 fishes
From: Structure and variation of the mitochondrial genome of fishes
| Â | tRNAs (H-strand coded) | tRNAs (L-strand coded) | 12S rRNA (H-strand coded) | 16S rRNA (H-strand coded) | ||||||||
Stem | Loop | Total | Stem | Loop | Total | Stem | Loop | Total | Stem | Loop | Total | |
A | 23.7 | 40.7 | 30.4 | 20.4 | 30.2 | 24.2 | 20.1 | 40.4 | 31.0 | 21.1 | 41.5 | 33.7 |
T | 23.0 | 27.8 | 24.8 | 26.4 | 37.7 | 30.8 | 21.6 | 20.4 | 21.0 | 21.9 | 21.1 | 21.3 |
G | 26.4 | 13.3 | 21.2 | 30.1 | 23.6 | 27.6 | 30.3 | 14.6 | 21.9 | 29.0 | 14.7 | 20.3 |
C | 26.9 | 18.2 | 23.5 | 23.1 | 8.5 | 17.4 | 28.0 | 24.6 | 26.2 | 28.0 | 22.7 | 24.8 |
| Â | Control region | Origin of L-strand replication | Â | Â | Â | Â | Â | Â | ||||
| Â | Total | Â | Stem | Loop | Total | Â | Â | Â | Â | Â | Â | |
A | Â | 32.5 | Â | 21.1 | 41.5 | 14.1 | Â | Â | Â | Â | Â | Â |
T | Â | 31.1 | Â | 21.9 | 21.1 | 21.4 | Â | Â | Â | Â | Â | Â |
G | Â | 15.1 | Â | 29.0 | 14.7 | 30.1 | Â | Â | Â | Â | Â | Â |
C | Â | 21.4 | Â | 28.0 | 22.7 | 34.4 | Â | Â | Â | Â | Â | Â |