| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599724 |
| Locus Tag | PA4528 |
| Description | type 4 prepilin peptidase PilD |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501682681 |
| Locus Tag | PFLCHA0_c52610 |
| Description | type 4 prepilin-like proteins leader peptide-processing enzyme PilD |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647944 |
| Locus Tag | HCH_05280 |
| Description | type II secretory pathway prepilin signal peptidase PulO and related peptidase |