| Strain | Pseudomonas entomophila L48 |
| GI | 104780361 |
| Locus Tag | PSEEN1150 |
| Description | exonuclease I |
| Strain | Pseudomonas aeruginosa NCGM2.S1 |
| GI | 386064240 |
| Locus Tag | NCGM2_1288 |
| Description | exonuclease I |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647678 |
| Locus Tag | HCH_05002 |
| Description | exonuclease I |