| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66047781 |
| Locus Tag | Psyr_4554 |
| Description | DNA-directed RNA polymerase subunit beta' |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70732888 |
| Locus Tag | PFL_5588 |
| Description | DNA-directed RNA polymerase subunit beta' |
| Strain | Pseudomonas stutzeri CCUG 29243 |
| GI | 392422668 |
| Locus Tag | A458_18120 |
| Description | DNA-directed RNA polymerase subunit beta' |