Enantioselective Synthesis of Spirocyclic Nitrogen-Containing Heterocycles Catalyzed by an Iridium-Containing Cytochrome - Jingtong Xu; Brandon J. Bloomer; John N. Brunn; Andrew P. Quest; Sukriyo Chakraborty; Joseph E. Schneider; Douglas S. Clark; John F. Hartwig (Journal of the American Chemical Society, 2025)