| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15595279 |
| Locus Tag | PA0081 |
| Description | Fha1 |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70733368 |
| Locus Tag | PFL_6085 |
| Description | type VI secretion protein Fha |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646999 |
| Locus Tag | HCH_04302 |
| Description | FHA domain-containing protein |