IUBMB Enzyme Nomenclature


Accepted name: putrescine oxidase

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


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.

[EC created 1976]

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