label: 2-hydroxymuconate-semialdehyde hydrolase activity
label_lc: 2-hydroxymuconate-semialdehyde hydrolase activity
description: "Catalysis of the reaction: (2Z,4E)-2-hydroxy-6-oxohexa-2,4-dienoate + H2O = 2-oxopent-4-enoate + formate + H+."