| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116050728 |
| Locus Tag | PA14_28720 |
| Description | integration host factor subunit alpha |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472325089 |
| Locus Tag | H681_09605 |
| Description | integration host factor subunit alpha |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70729487 |
| Locus Tag | PFL_2117 |
| Description | integration host factor subunit alpha |