| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596130 |
| Locus Tag | PA0933 |
| Description | probable RNA methyltransferase |
| Strain | Pseudomonas putida H8234 |
| GI | 512577098 |
| Locus Tag | L483_05845 |
| Description | 23S rRNA methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644637 |
| Locus Tag | HCH_01806 |
| Description | 23S rRNA 5-methyluridine methyltransferase |