4-aminobutanal + H2O2 + NH4(+) => putrescine + O2 + H2O
4-aminobutanal + h2o2 + nh4(+) => putrescine + o2 + h2o
4-aminobutanal + H2O2 + NH4(+) => putrescine + O2 + H2O
4-aminobutanal + h2o2 + nh4(+) => putrescine + o2 + h2o