ID 4.1.1.68 DE 5-oxopent-3-ene-1,2,5-tricarboxylate decarboxylase. AN 5-oxopent-3-ene-1,2,5-tricarboxylate carboxy-lyase. CA (3E,5R)-5-carboxy-2-oxohept-3-enedioate + H(+) = (4Z)-2-oxohept-4- CA enedioate + CO2. CC -!- Part of the 4-hydroxyphenylacetate degradation pathway in Escherichia CC coli C. DR Q46978, HPAG_ECOLX ; Q9RPU5, HPAG_SALDU ; P37352, HPCE_ECOLX ; //