| Strain | Pseudomonas putida W619 |
| GI | 170719287 |
| Locus Tag | PputW619_0100 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77456332 |
| Locus Tag | Pfl01_0104 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas aeruginosa B136-33 |
| GI | 478476238 |
| Locus Tag | G655_00180 |
| Description | tryptophan synthase subunit alpha |