| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77460281 |
| Locus Tag | Pfl01_4060 |
| 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 |