| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71733716 |
| Locus Tag | PSPPH_0035 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152983685 |
| Locus Tag | PSPA7_0037 |
| Description | tryptophan synthase subunit alpha |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645234 |
| Locus Tag | HCH_02437 |
| Description | tryptophan synthase subunit alpha |