| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431928375 |
| Locus Tag | Psest_3288 |
| Description | type IV-A pilus assembly ATPase PilB |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324161 |
| Locus Tag | H681_04935 |
| Description | type 4 fimbrial biogenesis protein PilB |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647942 |
| Locus Tag | HCH_05278 |
| Description | type II secretory pathway ATPase PulE/Tfp pilus assembly pathway ATPase PilB |