purine imidazole-ring cyclase activity
  id: GO:0050230
  name: purine imidazole-ring cyclase activity
  namespace: molecular_function
  type: go
  obsolete: False
Description: Catalysis of the reaction: DNA 4,6-diamino-5-formamidopyrimidine = DNA adenine + H2O.
Parent Functions
| id | name | 
|---|---|
| GO:0009975 | cyclase activity | 
| GO:0016842 | amidine-lyase activity | 


