| Enzyme (?) Identification in Enzyme Commission (EC) numbering system. ..................................................... | : | 4.2.1.96 | 
| Name ..................................................... | : | 4a-hydroxytetrahydrobiopterin dehydratase, etc.4alpha-hydroxy-tetrahydropterin dehydratase, Pterin-4alpha-carbinolamine dehydratase, 4a-hydroxytetrahydrobiopterin hydro-lyase | 
| KO (?) The KEGG orthology group (KO) that is associated with this enzyme. ..................................................... | : | K01724PCBD phhB; 4a-hydroxytetrahydrobiopterin dehydratase [EC:4.2.1.96] | 
| Genes ..................................................... | : | pcbd-1 | 
| Localization ..................................................... | : | Cytosol | 
| Other associations ..................................................... | : | See reaction table below. | 
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