ID 5.3.3.10 DE 5-carboxymethyl-2-hydroxymuconate Delta-isomerase. AN 5-carboxymethyl-2-hydroxymuconic acid isomerase. AN CHM isomerase. CA (2E,4Z)-5-hydroxypenta-2,4-diene-1,2,5-tricarboxylate = (3E,5R)-5- CA carboxy-2-oxohept-3-enedioate. CC -!- Part of the homoprotocatechuate degradation pathway in Escherichia CC coli C. DR Q46978, HPAG_ECOLX ; Q9RPU5, HPAG_SALDU ; Q05354, HPCD_ECOLX ; DR P37352, HPCE_ECOLX ; //