Table 1.
List of all selected TA systems and their predicted families. The TA systems were arranged in order of their proximity to the TA family. The length of toxin and antitoxin proteins is given in amino acids (aa).
| Family | Toxin Genes | Length (aa) |
| TxpA/Fst/Holin (type I toxins) | MW1888-TxpA | 44 |
| MW2354-Fst | 84 | |
| MW0911-TxpA | 35 | |
| MW1440-TxpA | 34 | |
| MW0405 | 64 | |
| MW1434 | 81 | |
| MW1381-Holin | 100 | |
| Family | Toxin/Antitoxin Genes | Length (aa) Toxin/Anti-toxin |
| HigBA (type II) | MW1419/MW1418 | 84/57 |
| MW1725/MW1724 | 59/117 | |
| MW2494/MW2493 | 76/106 | |
| MW1228/MW1227 | 79/77 | |
| MW1413/MW1412 | 62/66 | |
| MW0749/MW0748 | 74/48 | |
| MW1338/MW1337 | 59/116 | |
| MW1928/MW1927 | 106/53 | |
| MW1397/MW1396 | 92/110 | |
| MW1822/MW1821 | 91/154 | |
| MW0789/MW0788 | 98/128 | |
| MW1919/MW1918 | 72/134 | |
| MW2464/MW2463 | 72/275 | |
| MW0907/MW0906 | 72/189 | |
| MW1056/MW1055 | 44/62 | |
| RelBE (type II) | MW2329/MW2330 | 88/83 |
| MW2380/MW2381 | 88/85 | |
| MW1230/MW1231 | 80/155 | |
| MW0324/MW0325 | 129/67 | |
| MW1394/MW1395 | 131/133 | |
| GNATs (type II) | MW2441/MW2440 | 94/144 |
| MW1089/MW1088 | 70/203 | |
| MW0641/MW0640 | 180/99 | |
| MW0924/MW0923 | 160/71 | |
| MW2449/MW2450 | 163/56 | |
| MW2497/MW2498 | 99/185 | |
| Nucleases (type II) (CcdAB/ParDE) | MW1311/MW1312 | 73/166 |
| MW0461/MW0462 | 87/130 | |
| MW1403/MW1402 | 104/101 | |
| MW1733/MW1732 | 85/159 | |
| VapBC (type II) | MW1070/MW1071 | 263/224 |
| MW0302/MW0303 | 266/315 | |
| MW0572/MW0573 | 211/295 | |
| MazEF (type II) | MW1992/MW1993 | 120/56 |
| MW1492/MW1493 | 114/144 | |
| HicBA (type II) | MW0075/MW0076 | 109/83 |
| MW0771/MW0772 | 72/94 | |
| Transporters (type II/IV) | MW1042/MW1043 | 61/77 |
| MW1045/MW1046 | 48/65 | |
| MW2414/MW2413 | 77/102 | |
| MW1722/MW1723 | 100/147 | |
| MW2025/MW2026 | 77/134 | |
| MW1779/MW1780 | 121/68 | |
| MW0350/MW0349 | 69/83 | |
| Transporters (type V/II) | MW2507/MW2506 | 91/122 |
| MW0268/MW0269 | 617/164 | |
| Abi (type III/IV) | MW2234/MW2233 | 245/104 |
| MW0420/MW0421 | 89/131 | |
| HipBA (type II) | MW0980/MW0981 | 91/179 |
| PTS (type II/IV) | MW1437/MW1436 | 133/107 |
| MW1004/MW1005 | 84/129 | |
| MW0777/MW0776 | 78/67 | |
| MW1150/MW1149 | 94/391 | |
| MW1196/MW1195 | 83/34 | |
| MW1292/MW1291 | 89/102 | |
| MW1432/MW1431 | 71/87 | |
| MW1164/MW1165 | 275/130 | |
| MW0101 | 50 | |
| MW0036 | 103 | |
| MW1827 | 128 |