| Strain | Pseudomonas protegens Pf-5 |
| GI | 70732888 |
| Locus Tag | PFL_5588 |
| Description | DNA-directed RNA polymerase subunit beta' |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397688488 |
| Locus Tag | PSJM300_16960 |
| Description | DNA-directed RNA polymerase subunit beta' |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648858 |
| Locus Tag | HCH_06223 |
| Description | DNA-directed RNA polymerase subunit beta' |