| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598363 |
| Locus Tag | PA3167 |
| Description | 3-phosphoserine aminotransferase |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339494299 |
| Locus Tag | PSTAB_2222 |
| Description | phosphoserine aminotransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647662 |
| Locus Tag | HCH_04982 |
| Description | phosphoserine aminotransferase |