Term Name:	4-carboxy-2-hydroxymuconate semialdehyde hemiacetal dehydrogenase activity
Synonyms:	2-hydroxy-4-carboxymuconate 6-semialdehyde dehydrogenase activity, 4-carboxy-2-hydroxy-cis,cis-muconate-6-semialdehyde:NADP(+) oxidoreductase activity, 4-carboxy-2-hydroxymuconate-6-semialdehyde dehydrogenase activity, alpha-hydroxy-gamma-carboxymuconic epsilon-semialdehyde dehydrogenase activity
Definition:	Catalysis of the reaction: 4-carboxy-2-hydroxymuconate semialdehyde hemiacetal + NADP+ = 2-oxo-2H-pyran-4,6-dicarboxylate + H+ + NADPH.
Ontology:	GO: Molecular Function [GO:0050606]    QuickGO    AmiGO