Cycloisomerase

Cycloisomerase may refer to:


 * 3-carboxy-cis,cis-muconate cycloisomerase (EC 5.5.1.2), an enzyme
 * Chloromuconate cycloisomerase (EC 5.5.1.7), an enzyme
 * Cycloeucalenol cycloisomerase (EC 5.5.1.9), an enzyme
 * Dichloromuconate cycloisomerase (EC 5.5.1.11), an enzyme
 * Tetrahydroxypteridine cycloisomerase (EC 5.5.1.3), an enzyme