| Strain | Pseudomonas aeruginosa DK2 |
| GI | 392986417 |
| Locus Tag | PADK2_25195 |
| Description | transcription elongation factor NusA |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472327374 |
| Locus Tag | H681_21065 |
| Description | transcription elongation factor NusA |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70734336 |
| Locus Tag | PFL_0843 |
| Description | transcription elongation factor NusA |