| Helicobacter pylori P12 | |||||
| # | T4SS name | Replicon | Accession | Location | Function |
| 1 | ComB  | chromosome | NC_011498 | 13587..16496; 36339..40378 | DNA uptake |
| 2 | VirB | chromosome | NC_011498 | 1396323..1411026 | conjugation |
| 3 | VirB | chromosome | NC_011498 | 476105..490091 | conjugation |
| 4 | Cag   | chromosome | NC_011498 | 553525..584777 | effector translocation (2 effectors) |
| T4SS derived from experimental literature | |||||
| This T4SS contains information of accessory protein. | |||||
| This T4SS contains information on host-pathogen interaction. | |||||
|