Catechol Catabolism (meta ring cleavage)

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catechol biosynthesis
EC acetaldehyde dehydrogenase (acetylating)
EC 2-hydroxymuconate-6-semialdehyde dehydrogenase
EC catechol 2,3-dioxygenase
EC 2-hydroxymuconate-6-semialdehyde hydrolase
EC 4-oxalocrotonate decarboxylase
EC 4-hydroxy-2-oxovalerate aldolase
EC 2-oxopent-4-enoate hydratase
EC 2-hydroxymuconate tautomerase