| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596130 |
| Locus Tag | PA0933 |
| Description | probable RNA methyltransferase |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339494730 |
| Locus Tag | PSTAB_2653 |
| Description | 23S rRNA 5-methyluridine methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644637 |
| Locus Tag | HCH_01806 |
| Description | 23S rRNA 5-methyluridine methyltransferase |