ID 4.1.1.44 DE 4-carboxymuconolactone decarboxylase. AN 4-carboxymuconolactone carboxy-lyase. CA (R)-2-(carboxymethyl)-5-oxo-2,5-dihydro-2-furoate + H(+) = (4,5-dihydro- CA 5-oxofuran-2-yl)-acetate + CO2. DR P20370, DC4C_ACIAD ; P00881, DC4C_PSEPU ; //