| Strain | Pseudomonas putida ND6 |
| GI | 395444993 |
| Locus Tag | YSA_02511 |
| Description | recombination regulator RecX |
| Strain | Pseudomonas aeruginosa RP73 |
| GI | 514410813 |
| Locus Tag | M062_19140 |
| Description | recombination protein RecX |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645007 |
| Locus Tag | HCH_02189 |
| Description | hypothetical protein |