4-aminobutanoate + O2 + H2O <=> succinate semialdehyde + H2O2 + NH4(+)
4-aminobutanoate + o2 + h2o <=> succinate semialdehyde + h2o2 + nh4(+)
4-aminobutanoate + O2 + H2O <=> succinate semialdehyde + H2O2 + NH4(+)
4-aminobutanoate + o2 + h2o <=> succinate semialdehyde + h2o2 + nh4(+)