4 component system: The ATP-binding Cassette (ABC) Superfamily
| Q9X0S6 | ABC-type transporter, periplasmic subunit |
|---|---|
| Q9X0S5 | ABC-type transporter, integral membrane subunit |
| Q9X0S4 | ABC-type transporter, integral membrane subunit |
| Q9X0S3 | Oligopeptide ABC transporter, ATP-binding protein |