| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598203 |
| Locus Tag | PA3007 |
| Description | repressor protein LexA |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386013032 |
| Locus Tag | PPUBIRD1_3511 |
| Description | LexA protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644889 |
| Locus Tag | HCH_02068 |
| Description | LexA repressor |