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A distinct feature of these proteins is their structural fold, which includes -helices surrounding a -barrel structure and an overlapping -strand motif

Environ Exp Bot 161:180192

Signaling pathways modulated by glutathione NRF2/KEAP1 antioxidant response: Oxidation or Sglutathionylation of Keap1 cysteines impairs Nrf2 ubiquitination, allowing Nrf2 stabilization, nuclear translocation, and induction of ARE-driven genes, including GCL subunits, the cystine/glutamate antiporter xCT, and GST isoformscreating a feed-forward elevation of GSH synthesis and conjugation capacity

Pediatric Neurosurgery , 52 (1), 15

Oxidative modifications were detected at numerous Cys residues, including those located within catalytic sites, ligand-binding motifs, and structural domains critical for maintaining protein conformation

N.RispoliL