3-aminopropanal + spermidine + H2O2 => thermospermine + O2 + H2O
3-aminopropanal + spermidine + h2o2 => thermospermine + o2 + h2o
3-aminopropanal + spermidine + H2O2 => thermospermine + O2 + H2O
3-aminopropanal + spermidine + h2o2 => thermospermine + o2 + h2o