| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596638 |
| Locus Tag | PA1441 |
| Description | putative flagellar hook-length control protein FliK |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324955 |
| Locus Tag | H681_08935 |
| Description | flagellar hook-length control protein |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70729038 |
| Locus Tag | PFL_1646 |
| Description | flagellar hook-length control protein FliK |