| Strain | Pseudomonas putida GB-1 |
| GI | 167031118 |
| Locus Tag | PputGB1_0097 |
| Description | tryptophan synthase subunit alpha |
| Strain | Pseudomonas aeruginosa M18 |
| GI | 386056107 |
| Locus Tag | PAM18_0036 |
| Description | tryptophan synthase subunit alpha |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645234 |
| Locus Tag | HCH_02437 |
| Description | tryptophan synthase subunit alpha |