. "Also acts, in the reverse reaction, on 3-methyl-cis,cis-hexa-dienedioate and, very slowly, on cis,trans-hexadienedioate." . "Not identical with EC 5.5.1.7 or EC 5.5.1.11." . . . "Muconate cycloisomerase" . "Cis,cis-muconate lactonizing enzyme I" . "Muconate cycloisomerase I" . "Muconate lactonizing enzyme" . "2,5-dihydro-5-oxofuran-2-acetate = cis,cis-hexadienedioate." . "Manganese" .