spermine oxidase activity
Catalysis of the reaction: H2O + O2 + spermine = 3-aminopropanal + H2O2 + spermidine. Weak activity with N(1)-acetylspermine. The Arabidopsis thaliana enzyme converts norspermine to norspermidine.
GO:0046592
polyamine oxidase activity
is_a
spermine:oxygen oxidoreductase (spermidine-forming) activity
broad