Protonation of a Neutral (S)-β-Bisabolene Intermediate Is Involved in (S)-β-Macrocarpene Formation by the Maize Sesquiterpene Synthases TPS6 and TPS11

Tobias G. Kollner, Christiane Schnee, Shenghong Li, Ales Svatos, Bernd Schneider, Jonathan Gershenzon and Jorg Degenhardt

The Journal of Biological Chemistry 283 ( 30 ): 20779 - 20788 , 2008