| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599721 |
| Locus Tag | PA4525 |
| Description | type 4 fimbrial precursor PilA |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512616617 |
| Locus Tag | PCA10_09640 |
| Description | type 4 pili major subunit |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28868147 |
| Locus Tag | PSPTO_0927 |
| Description | type IV pilus biogenesis protein |