Table 1 Nucleotide composition and AT- and GC-skewnesses of M. sebastis mtDNA sequences for potein-coding, rRNA, tRNA genes and non-coding regions.
Nucleotide | Â | Length (bp) | A (%) | C (%) | T (%) | G (%) | A+T (%) | G+C (%) | AT-skew | GC-skew |
|---|---|---|---|---|---|---|---|---|---|---|
Entire sequence | Â | 14,407 | 29.4 | 9.7 | 41.1 | 19.8 | 70.5 | 29.5 | -0.17 | 0.34 |
Protein-coding sequencea | Â | 10,254 | 27.8 | 10.1 | 41.8 | 20.3 | 69.6 | 30.4 | -0.20 | 0.34 |
Codon position | 1st | 3,418 | 29.6 | 9.6 | 37.3 | 23.5 | 66.9 | 33.1 | -0.12 | 0.42 |
| Â | 2nd | 3,418 | 19.8 | 13.0 | 46.1 | 21.1 | 65.9 | 34.1 | -0.40 | 0.24 |
| Â | 3rd | 3,418 | 34.0 | 7.5 | 42.1 | 16.4 | 76.1 | 23.9 | -0.10 | 0.37 |
Ribosomal RNA gene sequence | Â | 1,696 | 33.1 | 10.7 | 38.1 | 18.1 | 71.2 | 28.8 | -0.07 | 0.26 |
Transfer RNA gene sequence | Â | 1,424 | 32.6 | 9.8 | 38.8 | 18.8 | 71.4 | 28.6 | -0.09 | 0.31 |
Highly repetitive region (HRR) | Â | 472 | 33.9 | 1.9 | 41.5 | 22.7 | 75.4 | 24.6 | -0.10 | 0.85 |
Unassigned region (UAR) | Â | 348 | 33.7 | 8.6 | 44.5 | 13.2 | 78.2 | 21.8 | -0.14 | 0.21 |