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. 2020 Apr 29;1(5):100051. doi: 10.1016/j.xplc.2020.100051

Figure 2.

Figure 2

Proposed Cyclization Scheme for the Synthesis of Sesterterpene Backbones by Arabidopsis sester-TPSs.

The chemical structures elucidated in this study are indicated by red numbers. The products of AtTPS18 and its mutants are numbered C3–C7 according to their retention time in the GC–MS experiment carried out in this study (see below). All chemical structure elucidation data in this study are shown in Supplemental Tables 1 and 2 and Supplemental Figures 1–5. IM, intermediate. C3 ((+)-brassitetraene B), C6 ((+)-brassitetraene A), and C9 ((−)-caprutriene) were previously determined by Huang et al., 2017, Huang et al., 2018, whereas C7 ((+)-thalianatriene) and C8 ((−)-retigeranin B) were elucidated by Shao et al., (2017).