| Strain | Pseudomonas putida BIRD-1 |
| GI | 386013152 |
| Locus Tag | PPUBIRD1_3634 |
| Description | PepN |
| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386021122 |
| Locus Tag | PSTAA_2523 |
| Description | aminopeptidase N |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647278 |
| Locus Tag | HCH_04587 |
| Description | aminopeptidase N |