| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116054137 |
| Locus Tag | PA14_05300 |
| Description | TonB domain-containing protein |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28872150 |
| Locus Tag | PSPTO_5036 |
| Description | tonB domain protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643443 |
| Locus Tag | HCH_00548 |
| Description | periplasmic protein TonB, links inner and outer membranes |