| Strain | Pseudomonas putida GB-1 |
| GI | 167031118 |
| Locus Tag | PputGB1_0097 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas stutzeri A1501 |
| GI | 146283231 |
| Locus Tag | PST_2896 |
| Description | tryptophan synthase subunit alpha |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645234 |
| Locus Tag | HCH_02437 |
| Description | tryptophan synthase subunit alpha |