ID 5.5.1.33 DE 12-epi-fischerindole U synthase. CA 3-geranyl-3-[(Z)-2-isocyanoethenyl]-1H-indole = 12-epi-fischerindole U. CC -!- The enzyme, characterized from multiple species of the cyanobacterial CC genus Fischerella, participates in the biosynthesis of the terpenoid CC indole alkaloids 12-epi-fischerindoles. //