| Strain | Pseudomonas protegens CHA0 |
| GI | 501678328 |
| Locus Tag | PFLCHA0_c08570 |
| Description | transcription elongation protein NusA |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472327374 |
| Locus Tag | H681_21065 |
| Description | transcription elongation factor NusA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644100 |
| Locus Tag | HCH_01238 |
| Description | transcription elongation factor NusA |