ID 1.2.1.45 DE 4-carboxy-2-hydroxymuconate-6-semialdehyde dehydrogenase. CA 4-carboxy-2-hydroxy-cis,cis-muconate 6-semialdehyde + NADP(+) + H(2)O = CA 4-carboxy-2-hydroxy-cis,cis-muconate + NADPH. CC -!- Does not act on unsubstituted aliphatic or aromatic aldehydes or CC glucose. CC -!- NAD(+) can replace NADP(+), but with lower affinity. //