18 component system: The Type IV (Conjugal DNA-Protein Transfer or VirB) Secretory Pathway (IVSP) Family
| Q7CMB1 | pXO2-16 |
|---|---|
| Q7CMF7 | pXO1-79 |
| Q7CMG5 | pXO1-67 |
| Q7CMG6 | pXO1-66 |
| Q7CMG7 | pXO1-64 |
| Q7CMG9 | pXO1-60 |
| Q7CMH0 | pXO1-59 |
| Q7CMH3 | pXO1-77 |
| Q81WB0 | BA4072 |
| Q8KYN8 | pXO1-63 |
| Q8KYN9 | pXO1-61 |
| Q8KYP0 | pXO1-58 |
| Q8KYP9 | pXO1-68 |
| Q8KYQ0 | pXO1-42 |
| Q8R8B3 | pXO1-78 |
| Q9RN08 | pXO2-23/24 |
| Q9RN17 | pXO2-15 |
| Q9RN22 | pXO2-10 |