| Strain | Pseudomonas putida BIRD-1 |
| GI | 386010081 |
| Locus Tag | PPUBIRD1_0459 |
| Description | TrpC |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472323696 |
| Locus Tag | H681_02600 |
| Description | indole-3-glycerol-phosphate synthase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648766 |
| Locus Tag | HCH_06128 |
| Description | indole-3-glycerol phosphate synthase |