| Strain | Pseudomonas syringae pv. tomato str. DC3000 | 
| GI | 28867847 | 
| Locus Tag | PSPTO_0619 | 
| Description | DNA-directed RNA polymerase subunit beta | 
| Strain | Pseudomonas aeruginosa PACS2 | 
| GI | 107103782 | 
| Locus Tag | PaerPA_01004853 | 
| Description | hypothetical protein | 
| Strain | Hahella chejuensis KCTC 2396 | 
| GI | 83648859 | 
| Locus Tag | HCH_06224 | 
| Description | DNA-directed RNA polymerase subunit beta |