| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596068 |
| Locus Tag | PA0871 |
| Description | pterin-4-alpha-carbinolamine dehydratase |
| Strain | Pseudomonas brassicacearum subsp. brassicacearum NFM421 |
| GI | 330808186 |
| Locus Tag | PSEBR_a1449 |
| Description | 4a-hydroxytetrahydrobiopterin dehydratase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647666 |
| Locus Tag | HCH_04986 |
| Description | pterin-4a-carbinolamine dehydratase |