| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77456332 |
| Locus Tag | Pfl01_0104 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas putida HB3267 |
| GI | 431800106 |
| Locus Tag | B479_00740 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116053756 |
| Locus Tag | PA14_00440 |
| Description | tryptophan synthase subunit alpha |