| Strain | Pseudomonas putida F1 |
| GI | 148546422 |
| Locus Tag | Pput_1179 |
| Description | ATP-dependent helicase HepA |
| Strain | Pseudomonas aeruginosa C3719 |
| GI | 254236272 |
| Locus Tag | PACG_02241 |
| Description | RNA helicase HepA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647726 |
| Locus Tag | HCH_05053 |
| Description | ATP-dependent helicase HepA |