| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431925901 |
| Locus Tag | Psest_0709 |
| Description | ribosomal large subunit pseudouridine synthase D |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324126 |
| Locus Tag | H681_04760 |
| Description | pseudouridine synthase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648561 |
| Locus Tag | HCH_05920 |
| Description | 23S RNA-specific pseudouridylate synthases-like protein |