| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596281 |
| Locus Tag | PA1084 |
| Description | flagellar P-ring protein precursor FlgI |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324929 |
| Locus Tag | H681_08805 |
| Description | flagellar basal body P-ring protein |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 346642819 |
| Locus Tag | PFL_1616 |
| Description | flagellar basal body P-ring biosynthesis protein FlgA |