ENTRY       EC 1.4.3.10
NAME        Putrescine oxidase
CLASS       Oxidoreductases
            Acting on the CH-NH2 group of donors
            With oxygen as acceptor
SYSNAME     Putrescine:oxygen oxidoreductase (deaminating)
REACTION    Putrescine + O2 + H2O = 4-Aminobutanal + NH3 + H2O2
SUBSTRATE   Putrescine
            O2
            H2O
PRODUCT     4-Aminobutanal
            NH3
            H2O2
COFACTOR    FAD
COMMENT     A flavoprotein (FAD).  4-Aminobutanal condenses non-enzymically
            to 1-pyrroline.
PATHWAY     PATH: MAP00330  Arginine and proline metabolism
DBLINKS     University of Geneva ENZYME DATA BANK: 1.4.3.10
            WIT (What Is There) Metabolic Reconstruction: 1.4.3.10
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