| Strain | Pseudomonas stutzeri A1501 |
| GI | 146281163 |
| Locus Tag | PST_0777 |
| Description | DNA-directed RNA polymerase subunit beta |
| Strain | Pseudomonas aeruginosa 39016 |
| GI | 313111424 |
| Locus Tag | PA39016_003260004 |
| Description |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648859 |
| Locus Tag | HCH_06224 |
| Description | DNA-directed RNA polymerase subunit beta |