cis-Prenyltransferase catalyzes the synthesis of Z,E-mixed prenyl diphosphates by a condensation of isopentenyl diphosphate to an allylic diphosphate. A novel gene encoding a cis-prenyltransferase is cloned from Thermobifida fusca. It showed a unique substrate specificity accepting dimethylallyl diphosphate as a shortest allylic substrate, and synthesizes polyprenyl products up to C(70).
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