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. Author manuscript; available in PMC: 2019 Jun 19.
Published in final edited form as: Biochemistry. 2018 Apr 6;57(24):3309–3325. doi: 10.1021/acs.biochem.8b00239

Figure 2.

Figure 2

C–S bond formation through an ionic type of reaction in gliotoxin biosynthesis. In the gliotoxin 12 biosynthetic pathway, C–S bond formation mediated by GliG undergoes a nucleophilic attack by GSH on an acyliminium intermediate 5a, giving bis-glutathionylated intermediate 6.