tokens: N-acetyl-L-cysteine ( NAC ) , a well characterized antioxidant which counteracts the effects of reactive oxygen intermediates ( ROI ) in living cells , prevented the activation of NF-kappa B by H2O2 .
folded_tokens: n-acetyl-l-cysteine ( nac ) , a well characterized antioxidant which counteracts the effects of reactive oxygen intermediates ( roi ) in living cells , prevented the activation of nf-kappa b by h2o2 .
labels: B-amino_acid_monomer O B-amino_acid_monomer O O O O O O O O O O O B-inorganic I-inorganic I-inorganic O B-inorganic O O O O O O O B-other_name O B-protein_molecule I-protein_molecule O B-inorganic O