| Strain | Pseudomonas mendocina NK-01 |
| GI | 330502875 |
| Locus Tag | MDS_1961 |
| Description | integration host factor subunit beta |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512687054 |
| Locus Tag | PP4_39970 |
| Description | integration host factor subunit beta |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647657 |
| Locus Tag | HCH_04977 |
| Description | integration host factor subunit beta |