Reaction: putrescine + O2 + H2O = 4-aminobutanal + NH3 + H2O2
Systematic name: putrescine:oxygen oxidoreductase (deaminating)
Comments: A flavoprotein (FAD). 4-Aminobutanal condenses non-enzymically to 1-pyrroline.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9076-87-3
References:
1. DeSa, R.J. Putrescine oxidase from Micrococcus rubens. Purification and properties of the enzyme. J. Biol. Chem. 247 (1972) 5527-5534. [PMID: 4341347]
2. Yamada, H. Putrescine oxidase (Micrococcus rubens). Methods Enzymol. 17B (1971) 726-730.