| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596281 |
| Locus Tag | PA1084 |
| Description | flagellar P-ring protein precursor FlgI |
| Strain | Pseudomonas stutzeri A1501 |
| GI | 146281775 |
| Locus Tag | PST_1395 |
| Description | flagellar basal body P-ring protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647169 |
| Locus Tag | HCH_04475 |
| Description | flagellar basal body P-ring protein |