3,4-dihydroxybenzoate + NADH + O2 + 2 H(+) <=> benzene-1,2,4-triol + CO2 + NAD(+) + H2O
3,4-dihydroxybenzoate + nadh + o2 + 2 h(+) <=> benzene-1,2,4-triol + co2 + nad(+) + h2o
3,4-dihydroxybenzoate + NADH + O2 + 2 H(+) <=> benzene-1,2,4-triol + CO2 + NAD(+) + H2O
3,4-dihydroxybenzoate + nadh + o2 + 2 h(+) <=> benzene-1,2,4-triol + co2 + nad(+) + h2o