| Strain | Pseudomonas mendocina NK-01 |
| GI | 330502875 |
| Locus Tag | MDS_1961 |
| Description | integration host factor subunit beta |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326532 |
| Locus Tag | H681_16850 |
| Description | integration host factor subunit beta |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647657 |
| Locus Tag | HCH_04977 |
| Description | integration host factor subunit beta |