4 component system: The ATP-binding Cassette (ABC) Superfamily
| Q03PY5 | Energy-coupling factor transporter ATP-binding protein EcfA1 |
|---|---|
| Q03PY7 | Energy-coupling factor transporter transmembrane protein EcfT |
| Q03PY6 | Energy-coupling factor transporter ATP-binding protein EcfA2 |
| Q03NM0 | Predicted membrane protein |