| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326816 |
| Locus Tag | H681_18275 |
| Description | ATP-dependent helicase HepA |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254241996 |
| Locus Tag | PA2G_02721 |
| Description | RNA helicase HepA |
| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77457482 |
| Locus Tag | Pfl01_1255 |
| Description | ATP-dependent helicase HepA |