| Gene | Function | Genome location (CFT073) | Presence among strains |
| papA | Pilus adhering to epithelial cell during infection | PAI-I | Present in all |
| hlyA | Yersiniabactin receptor | PAI-I | Present in 12/21 |
| tpbA | Iron acquisition cluster | PAI-III | Present in all |
| picU | Serine protease autotransporter | PAI-III | Present in 15/21 |
| pyuA | Pesticin-receptor | PAI | Present in 19/21 |
| Lma | Outer membrane receptor for iron |
| Present in 14/21 |
| TcpC | Hypothetical protein | PAI | Present in 4/21 |
| tonB | Sichropolar |
| Present in 11/21 |
| fliC | Flagellum |
| Present in 20/21 |