label: 4-carboxymuconolactone decarboxylase activity
label_lc: 4-carboxymuconolactone decarboxylase activity
description: "Catalysis of the reaction: (R)-2-(carboxymethyl)-5-oxo-2,5-dihydro-2-furoate + H+ = 5-oxo-4,5-dihydro-2-furylacetate + CO2."