| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66043304 |
| Locus Tag | Psyr_0033 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386021654 |
| Locus Tag | PSTAA_3061 |
| Description | tryptophan synthase subunit alpha |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645234 |
| Locus Tag | HCH_02437 |
| Description | tryptophan synthase subunit alpha |