| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28867399 |
| Locus Tag | PSPTO_0159 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas poae RE*1-1-14 |
| GI | 447919248 |
| Locus Tag | H045_21290 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas aeruginosa B136-33 |
| GI | 478476238 |
| Locus Tag | G655_00180 |
| Description | tryptophan synthase subunit alpha |