Table 3. Main structural features of the four sequenced mt genomes in this study.
| Donax semistriatus | Donax trunculus | Donax variegatus | Donax vittatus | |
|---|---|---|---|---|
| Total length | 17044 | 17365 | 17195 | 17070 |
| A+T% | 61.9 | 58.9 | 60.4 | 63.5 |
| cox2 | 846 (ATG/TAA) | 846 (ATG/TAA) | 831 (ATG/TAG) | 846 (ATG/TAA) |
| tRNA-Val | 62 | 64 | 64 | 64 |
| tRNA-Trp | 69 | 68 | 69 | 69 |
| tRNA-Gly | 64 | 65 | 66 | 66 |
| rrnS | 863 | 860 | 859 | 865 |
| tRNA-Met | 65 | 65 | 65 | 65 |
| atp8 | 126 (ATG/TAG) | 126 (ATG/TAG) | 126 (ATG/TAA) | 126 (ATG/TAG) |
| tRNA-Ser1 | 68 | 69 | 69 | 68 |
| nad6 | 576 (ATG/TAG) | 573 (ATG/TAA) | 540 (ATG/TAA) | 576 (ATG/TAG) |
| rrnL | 1373 | 1367 | 1383 | 1386 |
| atp6 | 714 (ATG/TAA) | 714 (ATG/TAA) | 711 (ATG/TAG) | 714 (ATG/TAG) |
| cox3 | 891 (ATG/TAG) | 915 (ATA/TAA) | 891 (ATG/TAG) | 891 (ATG/TAG) |
| nad2 | 1062 (ATG/TAA) | 1062 (TTG/TAG) | 1062 (ATG/TAA) | 1062 (ATG/TAA) |
| tRNA-Pro | 67 | 68 | 67 | 67 |
| tRNA-Gln | 65 | 66 | 67 | 65 |
| tRNA-Cys | 66 | 66 | 68 | 66 |
| tRNA-Ala | 64 | 65 | 66 | 65 |
| tRNA-Phe | 63 | 64 | 64 | 63 |
| cox1 | 1710 (ATG/TAA) | 1710 (ATG/TAA) | 1710 (ATG/TAA) | 1710 (ATG/TAA) |
| nad4 | 1347 (TTG/TAA) | 1356 (TTG/TAG) | 1332 (TTG/TAA) | 1347 (TTG/TAA) |
| tRNA-His | 66 | 66 | 66 | 64 |
| tRNA-Ser2 | 66 | 65 | 66 | 65 |
| tRNA-Glu | 63 | 64 | 63 | 63 |
| nad3 | 363 (ATG/TAA) | 363 (ATG/TAA) | 363 (ATG/TAA) | 363 (ATG/TAA) |
| tRNA-Ile | 69 | 69 | 69 | 69 |
| tRNA-Lys | 65 | 63 | 64 | 64 |
| nad4l | 288 (TTG/TAG) | 288 (TTG/TAG) | 288 (ATG/TAA) | 288 (TTG/TAG) |
| tRNA-Tyr | 64 | 64 | 66 | 65 |
| tRNA-Thr | 63 | 65 | 66 | 64 |
| tRNA-Leu1 | 65 | 66 | 65 | 65 |
| tRNA-Asp | 63 | 62 | 64 | 63 |
| tRNA-Leu2 | 65 | 66 | 65 | 66 |
| nad1 | 924 (ATG/TAG) | 924 (ATG/TAA) | 924 (ATG/TAG) | 924 (ATG/TAG) |
| tRNA-Asn | 65 | 64 | 66 | 65 |
| nad5 | 1734 (ATG/TAA) | 1734 (GTG/TAG) | 1734 (ATG/TAA) | 1734 (ATG/TAA) |
| tRNA-Arg | 63 | 63 | 63 | 63 |
| cob | 1215 (ATG/TAA) | 1218 (ATA/TAA) | 1206 (ATG/TAA) | 1215 (ATG/TAA) |
For each mt genome, total length (in bp), the percent of overall A+T content, and size (bp) of the protein coding genes (start and stop codons in brackets), tRNAs, rrnL and rrnS are given.