| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600235 |
| Locus Tag | PA5042 |
| Description | type 4 fimbrial biogenesis protein PilO |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339492669 |
| Locus Tag | PSTAB_0592 |
| Description | type 4 fimbrial biogenesis protein PilO |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648612 |
| Locus Tag | HCH_05970 |
| Description | Tfp pilus assembly protein PilO |