| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15595584 |
| Locus Tag | PA0387 |
| Description | conserved hypothetical protein |
| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386022695 |
| Locus Tag | PSTAA_4123 |
| Description | putative deoxyribonucleotide triphosphate pyrophosphatase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648997 |
| Locus Tag | HCH_06362 |
| Description | RdgB/HAM1 family non-canonical purine NTP pyrophosphatase |