Main Reaction: Hercynine >> γ- glutamyl-hercynylcysteine sulfoxide

Reference: PubMed ID: 26229105
Authors: Richard-Greenblatt M, Bach H, Adamson J, Peña-Diaz S, Li W, Steyn AJ, Av-Gay Y
Title: Regulation of Ergothioneine Biosynthesis and Its Effect on Mycobacterium tuberculosis Growth and Infectivity.
Published: 2015 Sep 18

Hercynine --> γ- glutamyl-hercynylcysteine sulfoxide