Fungal indole alkaloid biogenesis through evolution of a bifunctional reductase/Diels–Alderase

Qingyun Dan, Sean A. Newmister, Kimberly R. Klas, Amy E. Fraley, Timothy J. McAfoos, Amber D. Somoza, James D. Sunderhaus, Ying Ye, Vikram V. Shende, Fengan Yu, Jacob N. Sanders, W. Clay Brown, Le Zhao, Robert S. Paton, K. N. Houk, Janet L. Smith, David H. Sherman, Robert M. Williams