ID 2.5.1.146 DE 3-geranyl-3-[(Z)-2-isocyanoethenyl]indole synthase. CA (2E)-geranyl diphosphate + 3-[(Z)-2-isocyanoethenyl]-1H-indole = CA 3-geranyl-3-[(Z)-2-isocyanoethenyl]-1H-indole + diphosphate. CC -!- The enzyme, characterized from the cyanobacterium Fischerella ambigua CC UTEX 1903, participates in the biosynthesis of hapalindole-type CC alkaloids. //