| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229587784 |
| Locus Tag | PFLU0209 |
| Description | putative TonB-dependent membrane protein |
| Strain | Pseudomonas aeruginosa PACS2 |
| GI | 107099187 |
| Locus Tag | PaerPA_01000197 |
| Description | hypothetical protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649440 |
| Locus Tag | HCH_06827 |
| Description | periplasmic protein TonB, links inner and outer membranes |