| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116050728 |
| Locus Tag | PA14_28720 |
| Description | integration host factor subunit alpha |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512684978 |
| Locus Tag | PP4_19210 |
| Description | integration host factor subunit alpha |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647266 |
| Locus Tag | HCH_04573 |
| Description | integration host factor subunit alpha |