| Strain | Pseudomonas aeruginosa NCGM2.S1 |
| GI | 386063331 |
| Locus Tag | NCGM2_0360 |
| Description | site-specific recombinase |
| Strain | Pseudomonas poae RE*1-1-14 |
| GI | 447918381 |
| Locus Tag | H045_16950 |
| Description | integrase family protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643515 |
| Locus Tag | HCH_00623 |
| Description | integrase |