| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596281 |
| Locus Tag | PA1084 |
| Description | flagellar P-ring protein precursor FlgI |
| Strain | Pseudomonas putida KT2440 |
| GI | 26991072 |
| Locus Tag | PP_4383 |
| Description | flagellar basal body P-ring biosynthesis protein FlgA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647169 |
| Locus Tag | HCH_04475 |
| Description | flagellar basal body P-ring protein |