| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15595233 |
| Locus Tag | PA0035 |
| Description | tryptophan synthase alpha chain |
| Strain | Pseudomonas putida HB3267 |
| GI | 431800106 |
| Locus Tag | B479_00740 |
| Description | tryptophan synthase subunit alpha |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645234 |
| Locus Tag | HCH_02437 |
| Description | tryptophan synthase subunit alpha |