| 4a-hydroxytetrahydrobiopterin dehydratase | |
| Ec Number: | 4.2.1.96 |
| Go Code: | 0008124 |
The enzyme 4a-hydroxytetrahydrobiopterin dehydratase catalyzes the chemical reaction
4a-hydroxytetrahydrobiopterin
\rightleftharpoons
This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is 4a-hydroxytetrahydrobiopterin hydro-lyase (6,7-dihydrobiopterin-forming). Other names in common use include 4a-hydroxy-tetrahydropterin dehydratase, pterin-4α-carbinolamine dehydratase, and 4a-hydroxytetrahydrobiopterin hydro-lyase.
As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes,, and .