Main Reaction: dimethylallyl diphosphate + L -tryptophan >> arenium ion intermediate + PPi

Reference: PubMed ID: 19743851
Authors: Luk LY, Tanner ME
Title: Mechanism of dimethylallyltryptophan synthase: evidence for a dimethylallyl cation intermediate in an aromatic prenyltransferase reaction.
Published: 2009 Oct 7

dimethylallyl diphosphate + L -tryptophan --> arenium ion intermediate + PPi