Tags: Enzyme.
In enzymology 2-pyrone-46-dicarboxylate lactonase (EC 3.1.1.57) is an enzyme that catalyzes the reversible hydrolytic chemical reaction2-pyrone-46-dicarboxylate + H2O 4-carboxy-2-hydroxyhexa-24-dienedioate and 4-oxalomesaconateThus the two substrates of this enzyme are 2-pyrone-46-dicarboxylate and H2O whereas its product is a tautomeric mixture of 4-oxalomesaconate and 4-carboxy-2-hydroxymuconate.This enzyme belongs to the Amidohydrolase superfamily of enzymes and is a member of Cluster of Orthologous Groups (COG) 3618.