| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598363 |
| Locus Tag | PA3167 |
| Description | 3-phosphoserine aminotransferase |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397687386 |
| Locus Tag | PSJM300_11415 |
| Description | 3-phosphoserine/phosphohydroxythreonine aminotransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647662 |
| Locus Tag | HCH_04982 |
| Description | phosphoserine aminotransferase |