| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431926481 |
| Locus Tag | Psest_1327 |
| Description | DNA/RNA helicase |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326816 |
| Locus Tag | H681_18275 |
| Description | ATP-dependent helicase HepA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647726 |
| Locus Tag | HCH_05053 |
| Description | ATP-dependent helicase HepA |