obsolete N1-acetylspermine:oxygen oxidoreductase (propane-1,3-diamine-forming) activity (obsolete GO:0052893)
OBSOLETE. Catalysis of the reaction: N1-acetylspermine + oxygen + H2O = N-(3-acetamidopropyl)-4-aminobutanal + propane-1,3-diamine + hydrogen peroxide.