ENTRY       EC 3.5.4.3
NAME        Guanine deaminase
            Guanase
            Guanine aminase
CLASS       Hydrolases
            Acting on carbon-nitrogen bonds, other than peptide bonds
            In cyclic amidines
SYSNAME     Guanine aminohydrolase
REACTION    Guanine + H2O = Xanthine + NH3
SUBSTRATE   Guanine
            H2O
PRODUCT     Xanthine
            NH3
PATHWAY     PATH: MAP00230  Purine metabolism
DBLINKS     University of Geneva ENZYME DATA BANK: 3.5.4.3
            WIT (What Is There) Metabolic Reconstruction: 3.5.4.3
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