| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600235 |
| Locus Tag | PA5042 |
| Description | type 4 fimbrial biogenesis protein PilO |
| Strain | Pseudomonas mendocina NK-01 |
| GI | 330501495 |
| Locus Tag | MDS_0581 |
| Description | type 4 fimbrial biogenesis protein PilO |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648612 |
| Locus Tag | HCH_05970 |
| Description | Tfp pilus assembly protein PilO |