| Strain | Pseudomonas stutzeri A1501 |
| GI | 146281225 |
| Locus Tag | PST_0839 |
| Description | transcription antitermination protein NusB |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254242734 |
| Locus Tag | PA2G_03499 |
| Description | NusB protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648594 |
| Locus Tag | HCH_05953 |
| Description | transcription antitermination protein NusB |