maleylacetate + NADH + 2 H(+) => cis,trans-4-hydroxymuconate semialdehyde + NAD(+) + H2O
maleylacetate + nadh + 2 h(+) => cis,trans-4-hydroxymuconate semialdehyde + nad(+) + h2o
maleylacetate + NADH + 2 H(+) => cis,trans-4-hydroxymuconate semialdehyde + NAD(+) + H2O
maleylacetate + nadh + 2 h(+) => cis,trans-4-hydroxymuconate semialdehyde + nad(+) + h2o