Table 3.
Common carbohydrate transporters utilised by mammalian lactobacilli
| Superfamily | Transport family | Transporter class | Transporter subclass | Transport classification system | Transmembrane domain range |
|---|---|---|---|---|---|
| MFS |
Major Facilitator Superfamily (MFS) |
Electrochemical Potential-driven Transporters |
Porters (uniporters, symporters, antiporters) |
TC 2.A.1 |
12-24 |
| GPH |
Glycoside-Pentoside-Hexuronide (GPH):Cation Symporter Family |
Electrochemical Potential-driven Transporters |
Porters (uniporters, symporters, antiporters) |
TC 2.A.2 |
12 |
| ATP Binding Cassette |
ATP-binding Cassette (ABC) |
Primary Active Transporters |
P-P-bond-hydrolysis-driven transporters |
TC 3.A.1 |
5-6 |
| PTS-GFL |
PTS Glucose-Glucoside (Glc) Family |
Group Translocators |
Phosphotransfer-driven Group Translocators |
TC 4.A.1 |
8 |
| PTS-GFL |
PTS Fructose-Mannitol (Fru) Family |
Group Translocators |
Phosphotransfer-driven Group Translocators |
TC 4.A.2 |
8 |
| PTS-GFL |
PTS Lactose-N,N’-Diacetylchitobiose-β-glucoside (Lac) Family |
Group Translocators |
Phosphotransfer-driven Group Translocators |
TC 4.A.3 |
8 |
| PTS-GFL |
PTS Glucitol (Gut) Family |
Group Translocators |
Phosphotransfer-driven Group Translocators |
TC 4.A.4 |
8 |
| PTS-GFL |
PTS Galactitol (Gat) Family |
Group Translocators |
Phosphotransfer-driven Group Translocators |
TC 4.A.5 |
8 |
| PTS-GFL |
PTS Mannose-Fructose-Sorbose (Man) Family |
Group Translocators |
Phosphotransfer-driven Group Translocators |
TC 4.A.6 |
8 |
| PTS-GFL | PTS L-Ascorbate (L-Asc) Family | Group Translocators | Phosphotransfer-driven Group Translocators | TC 4.A.7 | 8 |