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. Author manuscript; available in PMC: 2015 Jul 27.
Published in final edited form as: Adv Cancer Res. 2014;122:69–101. doi: 10.1016/B978-0-12-420117-0.00002-5

Figure 1. Structure of glutathione.

Figure 1

GSH is a tripeptide composed of glutamate, cysteine, and glycine. Its γ-glutamyl peptide bond makes it resistant to non-specific proteolytic cleavage.