4 component system: The ATP-binding Cassette (ABC) Superfamily
| Q5M244 | Energy-coupling factor transporter ATP-binding protein EcfA 1 |
|---|---|
| Q5M243 | Energy-coupling factor transporter ATP-binding protein EcfA 2 |
| Q5M245 | Energy-coupling factor transporter transmembrane protein EcfT |
| Q5M614 | Conserved hypothetical, predicted membrane protein (TMS5) |