| Strain | Pseudomonas protegens Pf-5 |
| GI | 70733692 |
| Locus Tag | PFL_0186 |
| Description | 4-aminobutyrate aminotransferase |
| Strain | Pseudomonas brassicacearum subsp. brassicacearum NFM421 |
| GI | 330806850 |
| Locus Tag | PSEBR_a175 |
| Description | 4-aminobutyrate transaminase |
| Strain | Pseudomonas putida GB-1 |
| GI | 167031256 |
| Locus Tag | PputGB1_0238 |
| Description | 4-aminobutyrate aminotransferase |