| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71735760 |
| Locus Tag | PSPPH_0193 |
| Description | TonB system transport protein ExbB1 |
| Strain | Pseudomonas entomophila L48 |
| GI | 104784347 |
| Locus Tag | PSEEN5451 |
| Description | solvent/drug/ferric siderophore transport protein ExbB |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482899767 |
| Locus Tag | AvCA6_10630 |
| Description | tonB-system proton channel, ExbB |