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Flavoenzyme which catalyzes the oxidation of N(1)-acetylspermine to spermidine and is thus involved in the polyamine back-conversion (PubMed:12477380). Can also oxidize N(1)-acetylspermidine to putrescine. Substrate specificity: N(1)-acetylspermine = N(1)-acetylspermidine > N(1),N(12)-diacylspermine >> spermine. Does not oxidize spermidine. Plays an important role in the regulation of polyamine intracellular concentration and has the potential to act as a determinant of cellular sensitivity to the antitumor polyamine analogs (PubMed:12477380). [UniProt]
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: Peroxisomal N(1)-acetyl-spermine/spermidine oxidase; peroxisomal N1-acetyl-spermine/spermidine oxidase; Polyamine oxidase
Gene Aliases: PAO; PAOX; UNQ1923/PRO4398
UniProt ID: (Human) Q6QHG6
Entrez Gene ID: (Human) 196743
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