BRENDA: BR260; BR263
KEGG: R03307; R03308
MetaCyc: 5.5.1.2-RXN; CARBOXY-CISCIS-MUCONATE-CYCLASE-RXN
SABIO-RK: 3123
BRENDA: BR40477
KEGG: R01631
MetaCyc: PROTOCATECHUATE-34-DIOXYGENASE-RXN
BRENDA: BS390728