| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596638 |
| Locus Tag | PA1441 |
| Description | putative flagellar hook-length control protein FliK |
| Strain | Pseudomonas mendocina NK-01 |
| GI | 330502771 |
| Locus Tag | MDS_1857 |
| Description | flagellar hook-length control protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647851 |
| Locus Tag | HCH_05183 |
| Description | flagellar hook-length control protein |