| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15595234 |
| Locus Tag | PA0036 |
| Description | tryptophan synthase beta chain |
| Strain | Pseudomonas putida S16 |
| GI | 339484986 |
| Locus Tag | PPS_0045 |
| Description | tryptophan synthase subunit beta |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645233 |
| Locus Tag | HCH_02436 |
| Description | tryptophan synthase subunit beta |