norspermine + O2 + H2O <=> norspermidine + 3-aminopropanal + H2O2
norspermine + o2 + h2o <=> norspermidine + 3-aminopropanal + h2o2
norspermine + O2 + H2O <=> norspermidine + 3-aminopropanal + H2O2
norspermine + o2 + h2o <=> norspermidine + 3-aminopropanal + h2o2