| Strain | Pseudomonas aeruginosa M18 |
| GI | 386060913 |
| Locus Tag | PAM18_4853 |
| 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 |