| Strain | Pseudomonas fulva 12-X |
| GI | 333901289 |
| Locus Tag | Psefu_3104 |
| Description | flagellar hook capping protein |
| Strain | Pseudomonas aeruginosa M18 |
| GI | 386060026 |
| Locus Tag | PAM18_3965 |
| Description | flagellar basal body rod modification protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647174 |
| Locus Tag | HCH_04480 |
| Description | flagellar hook capping protein |