pterin deaminase activity
Catalysis of the reaction: a 2-amino-4-hydroxypteridine + H2O + H+ = a 2,4-dihydroxypteridine + NH4+.
GO:0016814
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines
is_a
GO:0019239
deaminase activity
is_a
2-amino-4-hydroxypteridine aminohydrolase activity
related
acrasinase activity
related