| Strain | Pseudomonas putida GB-1 |
| GI | 167032377 |
| Locus Tag | PputGB1_1365 |
| Description | integration host factor subunit beta |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397686717 |
| Locus Tag | PSJM300_08040 |
| Description | integration host factor subunit beta |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647657 |
| Locus Tag | HCH_04977 |
| Description | integration host factor subunit beta |