| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596638 |
| Locus Tag | PA1441 |
| Description | putative flagellar hook-length control protein FliK |
| Strain | Pseudomonas putida KT2440 |
| GI | 26991050 |
| Locus Tag | PP_4361 |
| Description | flagellar hook-length control protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647851 |
| Locus Tag | HCH_05183 |
| Description | flagellar hook-length control protein |