GO:0016814

hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines

Details: 
Catalysis of the hydrolysis of any non-peptide carbon-nitrogen bond in a cyclic amidine, a compound of the form R-C(=NH)-NH2.
GO Category: 
MF
nucleoside_deaminase
nucleoside_deaminase