isoguanine deaminase activity
Catalysis of the reaction: H+ + H2O + isoguanine = NH4+ + xanthine.
GO:0016814
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines
is_a
GO:0019239
deaminase activity
is_a
2-hydroxyadenine deaminase activity
exact
2-oxoadenine deaminase activity
exact