| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 119167454 |
| Locus Tag | PA0143 |
| Description | purine nucleosidase Nuh |
| Strain | Pseudomonas putida HB3267 |
| GI | 431801944 |
| Locus Tag | B479_10010 |
| Description | inosine/uridine-preferring nucleoside hydrolase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645127 |
| Locus Tag | HCH_02314 |
| Description | inosine-uridine nucleoside N-ribohydrolase |