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The physiological activity of many proteins can be regulated by S-nitrosylation or reaction of nitric oxide (NO)-related species with cysteine residues to produce S-nitrosoproteins (S-nitrosothiols). However, S-nitrosothiols, such as S-nitrosocysteine (SNOC) and S-nitrosohomocysteine (SNHC), can also be neurotoxic by generating NO which reacts with endogenous O2− to form peroxynitrite. Additionally,...
S-Nitrosylation (reaction of nitric oxide (NO) species with a critical cysteine sulfhydryl) can regulate the physiological activity of proteins, including enzymes, ion channels, G-proteins, and transcription factors. Caspases are a family of interleukin-1β-converting enzyme-like proteases involved in the signaling pathway to apoptotic cell death, and each member of this enzyme family contains a critical...
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