2 component system: The PTS Lactose-N,N'-Diacetylchitobiose-β-glucoside (Lac) Family
| Q045X4 | PTS system lactose-specific IIA component, Lac family |
|---|---|
| Q045X3 | PTS system lactose-specific IIB component, Lac family / PTS system lactose-specific IIC component, Lac family |