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. 2020 Nov 23;124(5):862–879. doi: 10.1038/s41416-020-01156-1

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© The Author(s) 2020

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Fig. 1 — Cysteine has different fates, including the synthesis of glutathione or proteins, oxidative or non-oxidative catabolism and reversible post-translational protein modification (protein cysteinylation, production of reactive sulphide species and oxidation to cysteine disulphides).