Isomerases
Intramolecular lyases
The following ENZYME entries belong to class 5.5.-.-:
5.5.1.1 Muconate cycloisomerase 5.5.1.2 3-carboxy-cis,cis-muconate cycloisomerase 5.5.1.3 Tetrahydroxypteridine cycloisomerase 5.5.1.4 Inositol-3-phosphate synthase 5.5.1.5 Carboxy-cis,cis-muconate cyclase 5.5.1.6 Chalcone isomerase 5.5.1.7 Chloromuconate cycloisomerase 5.5.1.8 (+)-bornyl diphosphate synthase 5.5.1.9 Cycloeucalenol cycloisomerase 5.5.1.10 Alpha-pinene-oxide decyclase 5.5.1.11 Dichloromuconate cycloisomerase 5.5.1.12 Copalyl diphosphate synthase 5.5.1.13 Ent-copalyl diphosphate synthase 5.5.1.14 Syn-copalyl-diphosphate synthase 5.5.1.15 Terpentedienyl-diphosphate synthase 5.5.1.16 Halimadienyl-diphosphate synthase 5.5.1.17 (S)-beta-macrocarpene synthase 5.5.1.18 Lycopene epsilon-cyclase 5.5.1.19 Lycopene beta-cyclase 5.5.1.20 Prosolanapyrone-III cycloisomerase 5.5.1.21 Transferred entry: 4.2.1.133 5.5.1.22 (-)-bornyl diphosphate synthase 5.5.1.23 Aklanonic acid methyl ester cyclase 5.5.1.24 Tocopherol cyclase 5.5.1.25 3,6-anhydro-L-galactonate cycloisomerase 5.5.1.26 Nogalonic acid methyl ester cyclase 5.5.1.27 D-galactarolactone cycloisomerase 5.5.1.28 (-)-kolavenyl diphosphate synthase 5.5.1.29 (+)-kolavenyl diphosphate synthase 5.5.1.30 Labda-7,13-dienyl diphosphate synthase 5.5.1.31 Hapalindole H synthase 5.5.1.32 12-epi-hapalindole U synthase 5.5.1.33 12-epi-fischerindole U synthase 5.5.1.n1 Transferred entry: 5.4.99.62 5.5.1.n2 Transferred entry: 5.5.1.19