ID   1.2.1.61
DE   4-hydroxymuconic-semialdehyde dehydrogenase.
CA   cis,trans-4-hydroxymuconate semialdehyde + NAD(+) + H2O = maleylacetate +
CA   NADH + 2 H(+).
CC   -!- Involved in the 4-nitrophenol degradation pathway.
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