Characterization and Engineering of a Bisabolene Synthase Reveal an Unusual Hydride Shift and Key Residues Critical for Mono-, Bi-, and Tricyclic Sesquiterpenes Formation - Mengyue Wu; Ian Torrence; Yuanning Liu; Jingshuai Wu; Rui Ge; Ke Ma; Dong Liu; Jinwei Ren; Shilong Fan; Ming Ma; Justin B. Siegel; Dean J. Tantillo; et al. (Journal of the American Chemical Society, 2025)