| Strain | Pseudomonas mendocina ymp |
| GI | 146305111 |
| Locus Tag | Pmen_0070 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77456332 |
| Locus Tag | Pfl01_0104 |
| Description | tryptophan synthase subunit alpha |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645234 |
| Locus Tag | HCH_02437 |
| Description | tryptophan synthase subunit alpha |