gamma-L-glutamylputrescine + O2 + H2O => 4-(gamma-L-glutamylamino)butanal + H2O2 + NH4(+)
gamma-l-glutamylputrescine + o2 + h2o => 4-(gamma-l-glutamylamino)butanal + h2o2 + nh4(+)
gamma-L-glutamylputrescine + O2 + H2O => 4-(gamma-L-glutamylamino)butanal + H2O2 + NH4(+)
gamma-l-glutamylputrescine + o2 + h2o => 4-(gamma-l-glutamylamino)butanal + h2o2 + nh4(+)